0103bd16fb
332206 Commits
| Author | SHA1 | Message | Date | |
|---|---|---|---|---|
Konstantin Khlebnikov
|
0103bd16fb |
mm: prepare VM_DONTDUMP for using in drivers
Rename VM_NODUMP into VM_DONTDUMP: this name matches other negative flags: VM_DONTEXPAND, VM_DONTCOPY. Currently this flag used only for sys_madvise. The next patch will use it for replacing the outdated flag VM_RESERVED. Also forbid madvise(MADV_DODUMP) for special kernel mappings VM_SPECIAL (VM_IO | VM_DONTEXPAND | VM_RESERVED | VM_PFNMAP) Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Carsten Otte <cotte@de.ibm.com> Cc: Chris Metcalf <cmetcalf@tilera.com> Cc: Cyrill Gorcunov <gorcunov@openvz.org> Cc: Eric Paris <eparis@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Hugh Dickins <hughd@google.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: James Morris <james.l.morris@oracle.com> Cc: Jason Baron <jbaron@redhat.com> Cc: Kentaro Takeda <takedakn@nttdata.co.jp> Cc: Matt Helsley <matthltc@us.ibm.com> Cc: Nick Piggin <npiggin@kernel.dk> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Robert Richter <robert.richter@amd.com> Cc: Suresh Siddha <suresh.b.siddha@intel.com> Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Cc: Venkatesh Pallipadi <venki@google.com> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Konstantin Khlebnikov
|
e9714acf8c |
mm: kill vma flag VM_EXECUTABLE and mm->num_exe_file_vmas
Currently the kernel sets mm->exe_file during sys_execve() and then tracks
number of vmas with VM_EXECUTABLE flag in mm->num_exe_file_vmas, as soon
as this counter drops to zero kernel resets mm->exe_file to NULL. Plus it
resets mm->exe_file at last mmput() when mm->mm_users drops to zero.
VMA with VM_EXECUTABLE flag appears after mapping file with flag
MAP_EXECUTABLE, such vmas can appears only at sys_execve() or after vma
splitting, because sys_mmap ignores this flag. Usually binfmt module sets
mm->exe_file and mmaps executable vmas with this file, they hold
mm->exe_file while task is running.
comment from v2.6.25-6245-g925d1c4 ("procfs task exe symlink"),
where all this stuff was introduced:
> The kernel implements readlink of /proc/pid/exe by getting the file from
> the first executable VMA. Then the path to the file is reconstructed and
> reported as the result.
>
> Because of the VMA walk the code is slightly different on nommu systems.
> This patch avoids separate /proc/pid/exe code on nommu systems. Instead of
> walking the VMAs to find the first executable file-backed VMA we store a
> reference to the exec'd file in the mm_struct.
>
> That reference would prevent the filesystem holding the executable file
> from being unmounted even after unmapping the VMAs. So we track the number
> of VM_EXECUTABLE VMAs and drop the new reference when the last one is
> unmapped. This avoids pinning the mounted filesystem.
exe_file's vma accounting is hooked into every file mmap/unmmap and vma
split/merge just to fix some hypothetical pinning fs from umounting by mm,
which already unmapped all its executable files, but still alive.
Seems like currently nobody depends on this behaviour. We can try to
remove this logic and keep mm->exe_file until final mmput().
mm->exe_file is still protected with mm->mmap_sem, because we want to
change it via new sys_prctl(PR_SET_MM_EXE_FILE). Also via this syscall
task can change its mm->exe_file and unpin mountpoint explicitly.
Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Carsten Otte <cotte@de.ibm.com>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Cc: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: Eric Paris <eparis@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Morris <james.l.morris@oracle.com>
Cc: Jason Baron <jbaron@redhat.com>
Cc: Kentaro Takeda <takedakn@nttdata.co.jp>
Cc: Matt Helsley <matthltc@us.ibm.com>
Cc: Nick Piggin <npiggin@kernel.dk>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Robert Richter <robert.richter@amd.com>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: Venkatesh Pallipadi <venki@google.com>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Konstantin Khlebnikov
|
2dd8ad81e3 |
mm: use mm->exe_file instead of first VM_EXECUTABLE vma->vm_file
Some security modules and oprofile still uses VM_EXECUTABLE for retrieving a task's executable file. After this patch they will use mm->exe_file directly. mm->exe_file is protected with mm->mmap_sem, so locking stays the same. Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org> Acked-by: Chris Metcalf <cmetcalf@tilera.com> [arch/tile] Acked-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> [tomoyo] Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Carsten Otte <cotte@de.ibm.com> Cc: Cyrill Gorcunov <gorcunov@openvz.org> Cc: Eric Paris <eparis@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Hugh Dickins <hughd@google.com> Cc: Ingo Molnar <mingo@redhat.com> Acked-by: James Morris <james.l.morris@oracle.com> Cc: Jason Baron <jbaron@redhat.com> Cc: Kentaro Takeda <takedakn@nttdata.co.jp> Cc: Matt Helsley <matthltc@us.ibm.com> Cc: Nick Piggin <npiggin@kernel.dk> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Robert Richter <robert.richter@amd.com> Cc: Suresh Siddha <suresh.b.siddha@intel.com> Cc: Venkatesh Pallipadi <venki@google.com> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Konstantin Khlebnikov
|
0b173bc4da |
mm: kill vma flag VM_CAN_NONLINEAR
Move actual pte filling for non-linear file mappings into the new special vma operation: ->remap_pages(). Filesystems must implement this method to get non-linear mapping support, if it uses filemap_fault() then generic_file_remap_pages() can be used. Now device drivers can implement this method and obtain nonlinear vma support. Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Carsten Otte <cotte@de.ibm.com> Cc: Chris Metcalf <cmetcalf@tilera.com> #arch/tile Cc: Cyrill Gorcunov <gorcunov@openvz.org> Cc: Eric Paris <eparis@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Hugh Dickins <hughd@google.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: James Morris <james.l.morris@oracle.com> Cc: Jason Baron <jbaron@redhat.com> Cc: Kentaro Takeda <takedakn@nttdata.co.jp> Cc: Matt Helsley <matthltc@us.ibm.com> Cc: Nick Piggin <npiggin@kernel.dk> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Robert Richter <robert.richter@amd.com> Cc: Suresh Siddha <suresh.b.siddha@intel.com> Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Cc: Venkatesh Pallipadi <venki@google.com> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Konstantin Khlebnikov
|
4b6e1e3702 |
mm: kill vma flag VM_INSERTPAGE
Merge VM_INSERTPAGE into VM_MIXEDMAP. VM_MIXEDMAP VMA can mix pure-pfn ptes, special ptes and normal ptes. Now copy_page_range() always copies VM_MIXEDMAP VMA on fork like VM_PFNMAP. If driver populates whole VMA at mmap() it probably not expects page-faults. This patch removes special check from vma_wants_writenotify() which disables pages write tracking for VMA populated via vm_instert_page(). BDI below mapped file should not use dirty-accounting, moreover do_wp_page() can handle this. vm_insert_page() still marks vma after first usage. Usually it is called from f_op->mmap() handler under mm->mmap_sem write-lock, so it able to change vma->vm_flags. Caller must set VM_MIXEDMAP at mmap time if it wants to call this function from other places, for example from page-fault handler. Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Carsten Otte <cotte@de.ibm.com> Cc: Chris Metcalf <cmetcalf@tilera.com> Cc: Cyrill Gorcunov <gorcunov@openvz.org> Cc: Eric Paris <eparis@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Hugh Dickins <hughd@google.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: James Morris <james.l.morris@oracle.com> Cc: Jason Baron <jbaron@redhat.com> Cc: Kentaro Takeda <takedakn@nttdata.co.jp> Cc: Matt Helsley <matthltc@us.ibm.com> Cc: Nick Piggin <npiggin@kernel.dk> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Robert Richter <robert.richter@amd.com> Cc: Suresh Siddha <suresh.b.siddha@intel.com> Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Cc: Venkatesh Pallipadi <venki@google.com> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Konstantin Khlebnikov
|
cc2383ec06 |
mm: introduce arch-specific vma flag VM_ARCH_1
Combine several arch-specific vma flags into one.
before patch:
0x00000200 0x01000000 0x20000000 0x40000000
x86 VM_NOHUGEPAGE VM_HUGEPAGE - VM_PAT
powerpc - - VM_SAO -
parisc VM_GROWSUP - - -
ia64 VM_GROWSUP - - -
nommu - VM_MAPPED_COPY - -
others - - - -
after patch:
0x00000200 0x01000000 0x20000000 0x40000000
x86 - VM_PAT VM_HUGEPAGE VM_NOHUGEPAGE
powerpc - VM_SAO - -
parisc - VM_GROWSUP - -
ia64 - VM_GROWSUP - -
nommu - VM_MAPPED_COPY - -
others - VM_ARCH_1 - -
And voila! One completely free bit.
Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Carsten Otte <cotte@de.ibm.com>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Cc: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: Eric Paris <eparis@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Morris <james.l.morris@oracle.com>
Cc: Jason Baron <jbaron@redhat.com>
Cc: Kentaro Takeda <takedakn@nttdata.co.jp>
Cc: Matt Helsley <matthltc@us.ibm.com>
Cc: Nick Piggin <npiggin@kernel.dk>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Robert Richter <robert.richter@amd.com>
Cc: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: Venkatesh Pallipadi <venki@google.com>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Konstantin Khlebnikov
|
b3b9c2932c |
mm, x86, pat: rework linear pfn-mmap tracking
Replace the generic vma-flag VM_PFN_AT_MMAP with x86-only VM_PAT.
We can toss mapping address from remap_pfn_range() into
track_pfn_vma_new(), and collect all PAT-related logic together in
arch/x86/.
This patch also restores orignal frustration-free is_cow_mapping() check
in remap_pfn_range(), as it was before commit v2.6.28-rc8-88-g3c8bb73
("x86: PAT: store vm_pgoff for all linear_over_vma_region mappings - v3")
is_linear_pfn_mapping() checks can be removed from mm/huge_memory.c,
because it already handled by VM_PFNMAP in VM_NO_THP bit-mask.
[suresh.b.siddha@intel.com: Reset the VM_PAT flag as part of untrack_pfn_vma()]
Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Cc: Venkatesh Pallipadi <venki@google.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Nick Piggin <npiggin@kernel.dk>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Carsten Otte <cotte@de.ibm.com>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Cc: Cyrill Gorcunov <gorcunov@openvz.org>
Cc: Eric Paris <eparis@redhat.com>
Cc: Hugh Dickins <hughd@google.com>
Cc: James Morris <james.l.morris@oracle.com>
Cc: Jason Baron <jbaron@redhat.com>
Cc: Kentaro Takeda <takedakn@nttdata.co.jp>
Cc: Matt Helsley <matthltc@us.ibm.com>
Cc: Oleg Nesterov <oleg@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Robert Richter <robert.richter@amd.com>
Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: Venkatesh Pallipadi <venki@google.com>
Acked-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Suresh Siddha
|
5180da410d |
x86, pat: separate the pfn attribute tracking for remap_pfn_range and vm_insert_pfn
With PAT enabled, vm_insert_pfn() looks up the existing pfn memory attribute and uses it. Expectation is that the driver reserves the memory attributes for the pfn before calling vm_insert_pfn(). remap_pfn_range() (when called for the whole vma) will setup a new attribute (based on the prot argument) for the specified pfn range. This addresses the legacy usage which typically calls remap_pfn_range() with a desired memory attribute. For ranges smaller than the vma size (which is typically not the case), remap_pfn_range() will use the existing memory attribute for the pfn range. Expose two different API's for these different behaviors. track_pfn_insert() for tracking the pfn attribute set by vm_insert_pfn() and track_pfn_remap() for the remap_pfn_range(). This cleanup also prepares the ground for the track/untrack pfn vma routines to take over the ownership of setting PAT specific vm_flag in the 'vma'. [khlebnikov@openvz.org: Clear checks in track_pfn_remap()] [akpm@linux-foundation.org: tweak a few comments] Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org> Cc: Venkatesh Pallipadi <venki@google.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Nick Piggin <npiggin@kernel.dk> Cc: Ingo Molnar <mingo@redhat.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Carsten Otte <cotte@de.ibm.com> Cc: Chris Metcalf <cmetcalf@tilera.com> Cc: Cyrill Gorcunov <gorcunov@openvz.org> Cc: Eric Paris <eparis@redhat.com> Cc: Hugh Dickins <hughd@google.com> Cc: James Morris <james.l.morris@oracle.com> Cc: Jason Baron <jbaron@redhat.com> Cc: Kentaro Takeda <takedakn@nttdata.co.jp> Cc: Konstantin Khlebnikov <khlebnikov@openvz.org> Cc: Matt Helsley <matthltc@us.ibm.com> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Robert Richter <robert.richter@amd.com> Cc: Suresh Siddha <suresh.b.siddha@intel.com> Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Suresh Siddha
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b1a86e15dc |
x86, pat: remove the dependency on 'vm_pgoff' in track/untrack pfn vma routines
'pfn' argument for track_pfn_vma_new() can be used for reserving the attribute for the pfn range. No need to depend on 'vm_pgoff' Similarly, untrack_pfn_vma() can depend on the 'pfn' argument if it is non-zero or can use follow_phys() to get the starting value of the pfn range. Also the non zero 'size' argument can be used instead of recomputing it from vma. This cleanup also prepares the ground for the track/untrack pfn vma routines to take over the ownership of setting PAT specific vm_flag in the 'vma'. [khlebnikov@openvz.org: Clear pfn to paddr conversion] Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com> Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org> Cc: Venkatesh Pallipadi <venki@google.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Nick Piggin <npiggin@kernel.dk> Cc: Ingo Molnar <mingo@redhat.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Carsten Otte <cotte@de.ibm.com> Cc: Chris Metcalf <cmetcalf@tilera.com> Cc: Cyrill Gorcunov <gorcunov@openvz.org> Cc: Eric Paris <eparis@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Hugh Dickins <hughd@google.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: James Morris <james.l.morris@oracle.com> Cc: Jason Baron <jbaron@redhat.com> Cc: Kentaro Takeda <takedakn@nttdata.co.jp> Cc: Matt Helsley <matthltc@us.ibm.com> Cc: Nick Piggin <npiggin@kernel.dk> Cc: Oleg Nesterov <oleg@redhat.com> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Robert Richter <robert.richter@amd.com> Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Acked-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Rik van Riel
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c654345924 |
mm: remove __GFP_NO_KSWAPD
When transparent huge pages were introduced, memory compaction and swap storms were an issue, and the kernel had to be careful to not make THP allocations cause pageout or compaction. Now that we have working compaction deferral, kswapd is smart enough to invoke compaction and the quadratic behaviour around isolate_free_pages has been fixed, it should be safe to remove __GFP_NO_KSWAPD. [minchan@kernel.org: Comment fix] [mgorman@suse.de: Avoid direct reclaim for deferred compaction] Cc: Andrea Arcangeli <aarcange@redhat.com> Signed-off-by: Rik van Riel <riel@redhat.com> Signed-off-by: Mel Gorman <mgorman@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Srivatsa S. Bhat
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075663d198 |
CPU hotplug, debug: detect imbalance between get_online_cpus() and put_online_cpus()
The synchronization between CPU hotplug readers and writers is achieved by means of refcounting, safeguarded by the cpu_hotplug.lock. get_online_cpus() increments the refcount, whereas put_online_cpus() decrements it. If we ever hit an imbalance between the two, we end up compromising the guarantees of the hotplug synchronization i.e, for example, an extra call to put_online_cpus() can end up allowing a hotplug reader to execute concurrently with a hotplug writer. So, add a WARN_ON() in put_online_cpus() to detect such cases where the refcount can go negative, and also attempt to fix it up, so that we can continue to run. Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com> Reviewed-by: Yasuaki Ishimatsu <isimatu.yasuaki@jp.fujitsu.com> Cc: Jiri Kosina <jkosina@suse.cz> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Catalin Marinas
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7ac57a89de |
Kconfig: clean up the "#if defined(arch)" list for exception-trace sysctl entry
Introduce SYSCTL_EXCEPTION_TRACE config option and selec it in the architectures requiring support for the "exception-trace" debug_table entry in kernel/sysctl.c. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Chris Metcalf <cmetcalf@tilera.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Catalin Marinas
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9b2a60c484 |
Kconfig: clean up the long arch list for the DEBUG_BUGVERBOSE config option
Introduce HAVE_DEBUG_BUGVERBOSE config option and select it in corresponding architecture Kconfig files. Architectures that already select GENERIC_BUG don't need to select HAVE_DEBUG_BUGVERBOSE. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: David Howells <dhowells@redhat.com> Cc: Hirokazu Takata <takata@linux-m32r.org> Cc: Paul Mundt <lethal@linux-sh.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Chris Metcalf <cmetcalf@tilera.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Catalin Marinas
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b69ec42b1b |
Kconfig: clean up the long arch list for the DEBUG_KMEMLEAK config option
Introduce HAVE_DEBUG_KMEMLEAK config option and select it in corresponding architecture Kconfig files. DEBUG_KMEMLEAK now only depends on HAVE_DEBUG_KMEMLEAK. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Cc: Russell King <linux@arm.linux.org.uk> Cc: Michal Simek <monstr@monstr.eu> Cc: Ralf Baechle <ralf@linux-mips.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Paul Mundt <lethal@linux-sh.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Chris Metcalf <cmetcalf@tilera.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Catalin Marinas
|
af1839eb4b |
Kconfig: clean up the long arch list for the UID16 config option
Introduce HAVE_UID16 config option and select it in corresponding architecture Kconfig files. UID16 now only depends on HAVE_UID16. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Acked-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Russell King <linux@arm.linux.org.uk> Cc: Mike Frysinger <vapier@gentoo.org> Cc: Mikael Starvik <starvik@axis.com> Cc: Jesper Nilsson <jesper.nilsson@axis.com> Cc: David Howells <dhowells@redhat.com> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Cc: Martin Schwidefsky <schwidefsky@de.ibm.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Paul Mundt <lethal@linux-sh.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Jeff Dike <jdike@addtoit.com> Cc: Richard Weinberger <richard@nod.at> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: "H. Peter Anvin" <hpa@zytor.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Konrad Rzeszutek Wilk
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6e28b761c5 |
MAINTAINERS: add Konrad as the SWIOTLB maintainer
Now that I've an IA64 box on top of the other boxes (IBM with Calgary-X, Intel VT-d, AMD Vi, and AMD GART - that can use SWIOTLB as fallback) I can reliably do regression testing. Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp> Cc: Ingo Molnar <mingo@elte.hu> Acked-by: "H. Peter Anvin" <hpa@zytor.com> Cc: Thomas Gleixner <tglx@linutronix.de> Acked-by: Tony Luck <tony.luck@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Linus Torvalds
|
f5a246eab9 |
Sound updates for 3.7-rc1
This contains pretty many small commits covering fairly large range of
files in sound/ directory. Partly because of additional API support
and partly because of constantly developed ASoC and ARM stuff.
Some highlights:
- Introduced the helper function and documentation for exposing the
channel map via control API, as discussed in Plumbers; most of PCI
drivers are covered, will follow more drivers later
- Most of drivers have been replaced with the new PM callbacks (if
the bus is supported)
- HD-audio controller got the support of runtime PM and the support of
D3 clock-stop. Also changing the power_save option in sysfs kicks
off immediately to enable / disable the power-save mode.
- Another significant code change in HD-audio is the rewrite of
firmware loading code. Other than that, most of changes in HD-audio
are continued cleanups and standardization for the generic auto
parser and bug fixes (HBR, device-specific fixups), in addition to
the support of channel-map API.
- Addition of ASoC bindings for the compressed API, used by the
mid-x86 drivers.
- Lots of cleanups and API refreshes for ASoC codec drivers and
DaVinci.
- Conversion of OMAP to dmaengine.
- New machine driver for Wolfson Microelectronics Bells.
- New CODEC driver for Wolfson Microelectronics WM0010.
- Enhancements to the ux500 and wm2000 drivers
- A new driver for DA9055 and the support for regulator bypass mode.
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Merge tag 'sound-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound updates from Takashi Iwai:
"This contains pretty many small commits covering fairly large range of
files in sound/ directory. Partly because of additional API support
and partly because of constantly developed ASoC and ARM stuff.
Some highlights:
- Introduced the helper function and documentation for exposing the
channel map via control API, as discussed in Plumbers; most of PCI
drivers are covered, will follow more drivers later
- Most of drivers have been replaced with the new PM callbacks (if
the bus is supported)
- HD-audio controller got the support of runtime PM and the support
of D3 clock-stop. Also changing the power_save option in sysfs
kicks off immediately to enable / disable the power-save mode.
- Another significant code change in HD-audio is the rewrite of
firmware loading code. Other than that, most of changes in
HD-audio are continued cleanups and standardization for the generic
auto parser and bug fixes (HBR, device-specific fixups), in
addition to the support of channel-map API.
- Addition of ASoC bindings for the compressed API, used by the
mid-x86 drivers.
- Lots of cleanups and API refreshes for ASoC codec drivers and
DaVinci.
- Conversion of OMAP to dmaengine.
- New machine driver for Wolfson Microelectronics Bells.
- New CODEC driver for Wolfson Microelectronics WM0010.
- Enhancements to the ux500 and wm2000 drivers
- A new driver for DA9055 and the support for regulator bypass mode."
Fix up various arm soc header file reorg conflicts.
* tag 'sound-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (339 commits)
ALSA: hda - Add new codec ALC283 ALC290 support
ALSA: hda - avoid unneccesary indices on "Headphone Jack" controls
ALSA: hda - fix indices on boost volume on Conexant
ALSA: aloop - add locking to timer access
ALSA: hda - Fix hang caused by race during suspend.
sound: Remove unnecessary semicolon
ALSA: hda/realtek - Fix detection of ALC271X codec
ALSA: hda - Add inverted internal mic quirk for Lenovo IdeaPad U310
ALSA: hda - make Realtek/Sigmatel/Conexant use the generic unsol event
ALSA: hda - make a generic unsol event handler
ASoC: codecs: Add DA9055 codec driver
ASoC: eukrea-tlv320: Convert it to platform driver
ALSA: ASoC: add DT bindings for CS4271
ASoC: wm_hubs: Ensure volume updates are handled during class W startup
ASoC: wm5110: Adding missing volume update bits
ASoC: wm5110: Add OUT3R support
ASoC: wm5110: Add AEC loopback support
ASoC: wm5110: Rename EPOUT to HPOUT3
ASoC: arizona: Add more clock rates
ASoC: arizona: Add more DSP options for mixer input muxes
...
|
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Oleg Nesterov
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d5bbd43d5f |
exec: make de_thread() killable
Change de_thread() to use KILLABLE rather than UNINTERRUPTIBLE while waiting for other threads. The only complication is that we should clear ->group_exit_task and ->notify_count before we return, and we should do this under tasklist_lock. -EAGAIN is used to match the initial signal_group_exit() check/return, it doesn't really matter. This fixes the (unlikely) race with coredump. de_thread() checks signal_group_exit() before it starts to kill the subthreads, but this can't help if another CLONE_VM (but non CLONE_THREAD) task starts the coredumping after de_thread() unlocks ->siglock. In this case the killed sub-thread can block in exit_mm() waiting for coredump_finish(), execing thread waits for that sub-thead, and the coredumping thread waits for execing thread. Deadlock. Signed-off-by: Oleg Nesterov <oleg@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Linus Torvalds
|
b5356a19ce |
AArch64 fixes:
- Use swiotlb_init() instead of swiotlb_init_with_default_size(). The latter is now a static function (commit |
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Linus Torvalds
|
3c5af8d1aa |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc
Pull sparc changes from David S Miller: "There is an attempt to fix a bad interaction between syscall tracing and force_successful_syscall() from Al Viro, but it needs to be redone as it introduced regressions and thus had to be reverted for now. Al is working on an updated version. But what we do have here are some significant bzero/memset improvements for Niagara-4. An 8K page can be cleared in around 600 cycles, because we essentially have a store that behaves like powerpc's dcbz that we can actually make real use of." * git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc: Revert strace hiccups fix. sparc64: Niagara-4 bzero/memset, plus use MRU stores in page copy. sparc64: Fix strace hiccups when force_successful_syscall() triggers. sparc64: Rearrange thread info to cheaply clear syscall noerror state. |
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Catalin Marinas
|
6916fd086f |
arm64: Enable interrupts before calling do_notify_resume()
task_work_run() implementation had the side effect of enabling
interrupts. With commit
|
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Catalin Marinas
|
e048d004a5 |
arm64: Use the generic compat_sys_sendfile() implementation
The generic implementation of compat_sys_sendfile() has been introduced
by commit
|
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Catalin Marinas
|
27222a3d2b |
arm64: Call swiotlb_init() instead of swiotlb_init_with_default_size()
Following commit
|
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Linus Torvalds
|
e9eca4de95 |
This pull request contains the UBI fastmap support implemented by Richard
Weinberger from Linutronix. Fastmap is designed to address UBI's slow scanning issues. Namely, it introduces a new on-flash data-structure called "fastmap", which stores the information about logical<->physical eraseblocks mappings. So now to get this information just read the fastmap, instead of doing full scan. More information here can be found in Richard's announcement in LKML (Subject: UBI: Fastmap request for inclusion (v19)): http://thread.gmane.org/gmane.linux.kernel/1364922/focus=1369109 One thing I want to explicitly say is that fastmap did not have large enough linux-next exposure. It is partially my fault - I did not respond quickly enough. I _really_ apologize for this. But it had good testing and disabled by default, so I do not expect that we'll break anything. Fastmap is declared as experimental so far, and it is off by default. We did declare that the on-flash format may be changed. The reason for this is that no one used it in real production so far, so there is a high risk that something is missing. Besides, we do not have user-space tools supporting fastmap so far. Nevertheless, I suggest we merge this feature. Many people want UBI's scanning bottleneck to be fixed and merging fastmap now should accelerate its production use. The plan is to make it bullet-prove, somewhat clean-up, and make it the default for UBI. I do not know how many kernel releases will it take. Basically, I what I want to do for fastmap is something like Linus did for btrfs few years ago. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAABAgAGBQJQcrPrAAoJECmIfjd9wqK0gjYQAJICGYdYBO2wXQKojN+c518j dhZxSFBmn6VAVaLoiRJudbzVLiJXtEOupldnmfFqcBbM2I3KujkiVAb8kH99NNxH orfbSXmi6fvLZd1FWKm6EETl1CwWeOvQHcewLtGEdlhMqjNxo9QwZSxDNEARwBK8 rCchMnR7QgnmKZQActxg/PfdKHmFgZf9mj/IkcLXvYhV3MimBeRjA+gKwJHQ4R7g +LWm2wkqEFpDqbtRIrJGsXkaX4f4oVK+KqTvOudsSMc5VD6R+xVjFux7MFz9DOYZ copqR/3Ep0O+xeVgUm6it/rGubdU/ejr0T5kF/EEmDe2ktn8/7eGDh4VMx+4AyES Vf18rD9Wc8eEcImcm/yxVY6FQRQjKT2tRF2TEarrhLAxXREsiYzLghRUuspgIcJG hqQsNqJyDvV/YNBZIqVyA7sx0TDaP/8CwNYy7NiVYtxsVeo9QyzWer0aaHjmIeBL AyEn5/2m7FVPL3acoLN4jAwyMNuDnQ3iuNqIhm2drm2brrxAcYUmWg/mXORlZpKM Q8ts0h4++sTWgwuOEM/iCfoHagxJc3cQMsE6C1Z7LdLsNFHAPdnKSSkkjXK54jqx wq1yapCkNDqzwWU4xjWsr7QaMLb69KPltx4Iw4wBE+8lW4WjqRdFhBs/+f3zceBe SaSUuYkTFij+Ol+XWJnL =/Sqc -----END PGP SIGNATURE----- Merge tag 'upstream-3.7-rc1-fastmap' of git://git.infradead.org/linux-ubi Pull UBI fastmap changes from Artem Bityutskiy: "This pull request contains the UBI fastmap support implemented by Richard Weinberger from Linutronix. Fastmap is designed to address UBI's slow scanning issues. Namely, it introduces a new on-flash data-structure called "fastmap", which stores the information about logical<->physical eraseblocks mappings. So now to get this information just read the fastmap, instead of doing full scan. More information here can be found in Richard's announcement in LKML (Subject: UBI: Fastmap request for inclusion (v19)): http://thread.gmane.org/gmane.linux.kernel/1364922/focus=1369109 One thing I want to explicitly say is that fastmap did not have large enough linux-next exposure. It is partially my fault - I did not respond quickly enough. I _really_ apologize for this. But it had good testing and disabled by default, so I do not expect that we'll break anything. Fastmap is declared as experimental so far, and it is off by default. We did declare that the on-flash format may be changed. The reason for this is that no one used it in real production so far, so there is a high risk that something is missing. Besides, we do not have user-space tools supporting fastmap so far. Nevertheless, I suggest we merge this feature. Many people want UBI's scanning bottleneck to be fixed and merging fastmap now should accelerate its production use. The plan is to make it bullet-prove, somewhat clean-up, and make it the default for UBI. I do not know how many kernel releases will it take. Basically, I what I want to do for fastmap is something like Linus did for btrfs few years ago." * tag 'upstream-3.7-rc1-fastmap' of git://git.infradead.org/linux-ubi: UBI: Wire-up fastmap UBI: Add fastmap core UBI: Add fastmap support to the WL sub-system UBI: Add fastmap stuff to attach.c UBI: Wire-up ->fm_sem UBI: Add fastmap bits to build.c UBI: Add self_check_eba() UBI: Export next_sqnum() UBI: Add fastmap stuff to ubi.h UBI: Add fastmap on-flash data structures |
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Linus Torvalds
|
1929041bd8 |
Merge branch 'drm-next' of git://people.freedesktop.org/~airlied/linux
Pill drm updates part 2 from Dave Airlie:
"This is the follow-up pull, 3 pieces
a) exynos next stuff, was delayed but looks okay to me, one patch in
v4l bits but it was acked by v4l person.
b) UAPI disintegration bits
c) intel fixes - DP fixes, hang fixes, other misc fixes."
* 'drm-next' of git://people.freedesktop.org/~airlied/linux: (52 commits)
drm: exynos: hdmi: remove drm common hdmi platform data struct
drm: exynos: hdmi: add support for exynos5 hdmi
drm: exynos: hdmi: replace is_v13 with version check in hdmi
drm: exynos: hdmi: add support for exynos5 mixer
drm: exynos: hdmi: add support to disable video processor in mixer
drm: exynos: hdmi: add support for platform variants for mixer
drm: exynos: hdmi: add support for exynos5 hdmiphy
drm: exynos: hdmi: add support for exynos5 ddc
drm: exynos: remove drm hdmi platform data struct
drm: exynos: hdmi: turn off HPD interrupt in HDMI chip
drm: exynos: hdmi: use s5p-hdmi platform data
drm: exynos: hdmi: fix interrupt handling
drm: exynos: hdmi: support for platform variants
media: s5p-hdmi: add HPD GPIO to platform data
UAPI: (Scripted) Disintegrate include/drm
drm/i915: Fix GT_MODE default value
drm/i915: don't frob the vblank ts in finish_page_flip
drm/i915: call drm_handle_vblank before finish_page_flip
drm/i915: print warning if vmi915_gem_fault error is not handled
drm/i915: EBUSY status handling added to i915_gem_fault().
...
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Linus Torvalds
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d43b7167d4 |
Merge branch 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild
Pull kbuild fixes from Michal Marek: "Here are two fixes I intended to send after v3.6-rc7, but failed to do so. So please pull them for v3.7-rc1 and they will be picked up by stable. The first one fixes gcc -x <language> syntax in various build-time tests, which icecream and possible other gcc wrappers did not understand (and yes, icecream is going to be fixed as well). The second one fixes make tar-pkg so that unpacking the tarball does not replace the /lib -> /usr/lib symlink on recent Fedora releases." * 'rc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild: kbuild: Fix gcc -x syntax kbuild: Do not package /boot and /lib in make tar-pkg |
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Steven Rostedt
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80b810b276 |
localmodconfig: Document localmodconfig in README
Someone (over a year ago :-p) asked me to document localmodconfig in the README file in the source code. I thought it was a good idea but other things were more important and I simply forgot about it. Well, I stumbled on the email asking me about this and I'm sending it out now. Signed-off-by: Steven "Mr. Procrastinator" Rostedt <rostedt@goodmis.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> |
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Linus Torvalds
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d8dc91b753 |
Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux
Pul ACPI & Power Management updates from Len Brown: - acpidump utility added - intel_idle driver now supports IVB Xeon - turbostat utility can now count SMIs - ACPI can now bind to USB3 hubs - misc fixes * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux: (49 commits) ACPI: Add new sysfs interface to export device description ACPI: Harden acpi_table_parse_entries() against BIOS bug tools/power/turbostat: add option to count SMIs, re-name some options tools/power turbostat: add [-d MSR#][-D MSR#] options to print counter deltas intel_idle: enable IVB Xeon support tools/power turbostat: add [-m MSR#] option tools/power turbostat: make -M output pretty tools/power turbostat: print more turbo-limit information tools/power turbostat: delete unused line tools/power turbostat: run on IVB Xeon tools/power/acpi/acpidump: create acpidump(8), local make install targets tools/power/acpi/acpidump: version 20101221 - find dynamic tables in sysfs ACPI: run _OSC after ACPI_FULL_INITIALIZATION tools/power/acpi/acpidump: create acpidump(8), local make install targets tools/power/acpi/acpidump: version 20101221 - find dynamic tables in sysfs tools/power/acpi/acpidump: version 20071116 tools/power/acpi/acpidump: version 20070714 tools/power/acpi/acpidump: version 20060606 tools/power/acpi/acpidump: version 20051111 xo15-ebook: convert to module_acpi_driver() ... |
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Linus Torvalds
|
7035cdf36d |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
Pull ceph updates from Sage Weil: "The bulk of this pull is a series from Alex that refactors and cleans up the RBD code to lay the groundwork for supporting the new image format and evolving feature set. There are also some cleanups in libceph, and for ceph there's fixed validation of file striping layouts and a bugfix in the code handling a shrinking MDS cluster." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: (71 commits) ceph: avoid 32-bit page index overflow ceph: return EIO on invalid layout on GET_DATALOC ioctl rbd: BUG on invalid layout ceph: propagate layout error on osd request creation libceph: check for invalid mapping ceph: convert to use le32_add_cpu() ceph: Fix oops when handling mdsmap that decreases max_mds rbd: update remaining header fields for v2 rbd: get snapshot name for a v2 image rbd: get the snapshot context for a v2 image rbd: get image features for a v2 image rbd: get the object prefix for a v2 rbd image rbd: add code to get the size of a v2 rbd image rbd: lay out header probe infrastructure rbd: encapsulate code that gets snapshot info rbd: add an rbd features field rbd: don't use index in __rbd_add_snap_dev() rbd: kill create_snap sysfs entry rbd: define rbd_dev_image_id() rbd: define some new format constants ... |
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Linus Torvalds
|
6432f21284 |
The big new feature added this time is supporting online resizing
using the meta_bg feature. This allows us to resize file systems which are greater than 16TB. In addition, the speed of online resizing has been improved in general. We also fix a number of races, some of which could lead to deadlocks, in ext4's Asynchronous I/O and online defrag support, thanks to good work by Dmitry Monakhov. There are also a large number of more minor bug fixes and cleanups from a number of other ext4 contributors, quite of few of which have submitted fixes for the first time. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAABCAAGBQJQbxMXAAoJENNvdpvBGATwlg4QAJZ4mHNSL2eaaxjRtTbL1pAz +FVXpJ3lhw1lSfE9hJGqPVE8EfU2fWjIqxEI7dgh95Tukc5pUnPAQ2/hBz8ZA0qq o0AFMk3mRnvCEh6HsZfumsV83eqpR3k/zEy4uFH+KtxBskPe2sEKy3B7qOxvgdKW Gh8B2WqF2BpIj9WIT1P9G6xsxZW64EMHTbWcgRhuoRD7bakDNnwQ3kElz/TJQU5q bM/5wE7pqKwU2J1L0Ho0mxDi0f/BbXeJdA9k1tQy2KM1pZwHtpj4Ls0qmfoi49GE KyZqQOXlFbAz/9tidPDceY5KoRRQm1MwZ+1MimQX1P+40cs/w3pNu3yiibcaXIru UZ63AQMCj5JHMcFNVi20sVCwjU/ibNtEO75cfDD4bzPgHJvfCj73EbHTLl21nbTu izIMffhJEHmRnmRXiiortYVuI4b19oIfnXg7eclrJoUWSuGwKKsJOc5nMjDqidG4 B7Gq4TD89sGkIYzx+50E+ll2ispcBN0BQnGqp4k2BzgDyEHhuFYk7VuVQvJgCGTi eobzQJj7JUXPWxyemcAVkQTtUq4vVbkm/IwS+/GA9b9Z80X8hR8x6EVHUW5lX3qC YHoBSCU4XKZXXWqzx0fIVCXyKKFiBzM+OXcgHOKH90vK8k6kPmPODhNCxvV3pITU jfl9q+X1dY4SpybZjLt5 =iYeV -----END PGP SIGNATURE----- Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4 Pull ext4 updates from Ted Ts'o: "The big new feature added this time is supporting online resizing using the meta_bg feature. This allows us to resize file systems which are greater than 16TB. In addition, the speed of online resizing has been improved in general. We also fix a number of races, some of which could lead to deadlocks, in ext4's Asynchronous I/O and online defrag support, thanks to good work by Dmitry Monakhov. There are also a large number of more minor bug fixes and cleanups from a number of other ext4 contributors, quite of few of which have submitted fixes for the first time." * tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4: (69 commits) ext4: fix ext4_flush_completed_IO wait semantics ext4: fix mtime update in nodelalloc mode ext4: fix ext_remove_space for punch_hole case ext4: punch_hole should wait for DIO writers ext4: serialize truncate with owerwrite DIO workers ext4: endless truncate due to nonlocked dio readers ext4: serialize unlocked dio reads with truncate ext4: serialize dio nonlocked reads with defrag workers ext4: completed_io locking cleanup ext4: fix unwritten counter leakage ext4: give i_aiodio_unwritten a more appropriate name ext4: ext4_inode_info diet ext4: convert to use leXX_add_cpu() ext4: ext4_bread usage audit fs: reserve fallocate flag codepoint ext4: remove redundant offset check in mext_check_arguments() ext4: don't clear orphan list on ro mount with errors jbd2: fix assertion failure in commit code due to lacking transaction credits ext4: release donor reference when EXT4_IOC_MOVE_EXT ioctl fails ext4: enable FITRIM ioctl on bigalloc file system ... |
||
|
Linus Torvalds
|
1b033447bf |
Merge branch 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging
Pull i2c updates from Jean Delvare: "Most visible changes are the SMBus multiplexing support added to the i2c-i801 driver, as well as support for the VIA VX900." * 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging: i2c-piix4: Fix build failure i2c: Correct struct i2c_driver doc about detection i2c-i801: Let i2c-mux-gpio find the GPIO chip i2c-mux-gpio: Update documentation i2c-mux-gpio: Add support for dynamically allocated GPIO pins i2c-mux-gpio: Use devm_kzalloc instead of kzalloc i2c-i801: Support SMBus multiplexing on Asus Z8 series i2c-viapro: Add VIA VX900 device ID i2c-parport: i2c_parport_irq can be static i2c-designware: i2c_dw_xfer_msg can be static i2c/scx200_*: Replace printks with pr_<level>s i2c: Make I2C available on UML i2c: Convert struct i2c_msg initialization to C99 format i2c-smbus: Convert kzalloc to devm_kzalloc i2c-mux: Add support for device auto-detection |
||
|
Linus Torvalds
|
c0703c12ef |
IOMMU Updates for Linux v3.7-rc1
This time the IOMMU updates contain a bunch of fixes and cleanups to various IOMMU drivers and the DMA debug code. New features are the code for IRQ remapping support with the AMD IOMMU (preperation for that was already merged in the last release) and a debugfs interface to export some statistics in the NVidia Tegra IOMMU driver. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIbBAABAgAGBQJQbvi2AAoJECvwRC2XARrjIOcP92esm3auz49N2+rq5TAto6hX 4MbpUFgkpKQRdFUSgYOsuzjh+I46ZpWEVajCxM+9oJz4I3PalDH0hvN7VkcZTjvR bENRaLOZNR39rtIPrNVlne2RX7DXjKxJF5+K7jD6uMGJdItPfXk1Vo0VrLw30+XD E3pWNFCS+qJkWl7d0UGUJ6CzS1BZuHZdAx+XdHTa9DIV88jANiUefIV35cAVuqrL xVDDDMs7ITIYn6vTpEj7/zXCHNcFS7Ki4FQxAQ4DFvpPdrvLtPMeXnVSBMg0LPpe Gb2r8tjywo83yjZMoDxca6w20SJPkQHoWwlansGlg5j0KwqPhvD1M/OXwzbq6avd fqL69kZTXttLY+qtnlM5YfAqySXevGmGusgmqEXT7GvbAH6dSqMDdPU2W6lt4zBd 80LyAdcwP5X5hT91KiOfGGpFY4np97dUC7QFbwAdgDO7t6R+c2OfSte6azzWkYm4 2eYCsIKy+5U6XLSNabp7QNAxnic3mt6/AVMydZsVLyjeQZ8ybCwslQjPxSNwQrxc bx8z8KFY37UuFUs77dYFIChM8BJP6erKL0W1BOt0Ve2PWgeOaEl3y5n3mwBe+GXa JU9SPqy0juNZIYJWU1ZE/90ULo6ZpB3wM7QpMgX1pJ7KTd1gYDjSXhAEJi5Eje8r GNHlYwjxsQZQcvR19g8= =Q5kj -----END PGP SIGNATURE----- Merge tag 'iommu-updates-v3.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu Pull IOMMU updates from Joerg Roedel: "This time the IOMMU updates contain a bunch of fixes and cleanups to various IOMMU drivers and the DMA debug code. New features are the code for IRQ remapping support with the AMD IOMMU (preperation for that was already merged in the last release) and a debugfs interface to export some statistics in the NVidia Tegra IOMMU driver." * tag 'iommu-updates-v3.7-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu: (27 commits) iommu/amd: Remove obsolete comment line dma-debug: Remove local BUS_NOTIFY_UNBOUND_DRIVER define iommu/amd: Fix possible use after free in get_irq_table() iommu/amd: Report irq remapping through IOMMU-API iommu/amd: Print message to system log when irq remapping is enabled iommu/irq: Use amd_iommu_irq_ops if supported iommu/amd: Make sure irq remapping still works on dma init failure iommu/amd: Add initialization routines for AMD interrupt remapping iommu/amd: Add call-back routine for HPET MSI iommu/amd: Implement MSI routines for interrupt remapping iommu/amd: Add IOAPIC remapping routines iommu/amd: Add routines to manage irq remapping tables iommu/amd: Add IRTE invalidation routine iommu/amd: Make sure IOMMU is not considered to translate itself iommu/amd: Split device table initialization into irq and dma part iommu/amd: Check if IOAPIC information is correct iommu/amd: Allocate data structures to keep track of irq remapping tables iommu/amd: Add slab-cache for irq remapping tables iommu/amd: Keep track of HPET and IOAPIC device ids iommu/amd: Fix features reporting ... |
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|
Linus Torvalds
|
0e51793e16 |
Merge branch 'for-linus' of git://git.linaro.org/people/rmk/linux-arm
Pull ARM updates from Russell King:
"This is the first chunk of ARM updates for this merge window.
Conflicts are expected in two files - asm/timex.h and
mach-integrator/integrator_cp.c. Nothing particularly stands out more
than anything else.
Most of the growth is down to the opcodes stuff from Dave Martin,
which is countered by Rob's patches to use more of the asm-generic
headers on ARM."
(A few more conflicts grew since then, but it all looked fairly trivial)
* 'for-linus' of git://git.linaro.org/people/rmk/linux-arm: (44 commits)
ARM: 7548/1: include linux/sched.h in syscall.h
ARM: 7541/1: Add ARM ERRATA 775420 workaround
ARM: ensure vm_struct has its phys_addr member filled in
ARM: 7540/1: kexec: Check segment memory addresses
ARM: 7539/1: kexec: scan for dtb magic in segments
ARM: 7538/1: delay: add registration mechanism for delay timer sources
ARM: 7536/1: smp: Formalize an IPI for wakeup
ARM: 7525/1: ptrace: use updated syscall number for syscall auditing
ARM: 7524/1: support syscall tracing
ARM: 7519/1: integrator: convert platform devices to Device Tree
ARM: 7518/1: integrator: convert AMBA devices to device tree
ARM: 7517/1: integrator: initial device tree support
ARM: 7516/1: plat-versatile: add DT support to FPGA IRQ
ARM: 7515/1: integrator: check PL010 base address from resource
ARM: 7514/1: integrator: call common init function from machine
ARM: 7522/1: arch_timers: register a time/cycle counter
ARM: 7523/1: arch_timers: enable the use of the virtual timer
ARM: 7531/1: mark kernelmode mem{cpy,set} non-experimental
ARM: 7520/1: Build dtb files in all target
ARM: Fix build warning in arch/arm/mm/alignment.c
...
|
||
|
Linus Torvalds
|
5cad3598ea |
Merge branch 'next' of git://git.monstr.eu/linux-2.6-microblaze
Pull microblaze arch updates from Michal Simek. * 'next' of git://git.monstr.eu/linux-2.6-microblaze: Revert "microblaze_mmu_v2: Update signal returning address" microblaze: Added more support for PCI microblaze: Prefer to use pr_XXX instead of printk(KERN_XX) microblaze: Fix bug with passing command line microblaze: Remove PAGE properties duplication microblaze: Remove additional andi which has been already done microblaze: Use predefined macro for ESR_DIZ microblaze: Support 4k/16k/64k pages microblaze: Do not used hardcoded value in exception handler microblaze: Added fdt chosen capability for timer microblaze: Add support for ioreadXX/iowriteXX_rep microblaze: Improve failure handling for GPIO reset microblaze: clinkage.h |
||
|
Linus Torvalds
|
638c87a916 |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
Pull IMA bugfix (security subsystem) from James Morris. * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security: ima: fix bug in argument order |
||
|
Linus Torvalds
|
7cb9cf0224 |
Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
Pull m68knommu arch updates from Greg Ungerer: "Most of it is a cleanup of the ColdFire hardware header files. We have had a few occurrances of bugs caused by inconsistent definitions of peripheral addresses. These patches make them all consistent, and also clean out a bunch of old crap. Overall we remove about 1000 lines." * 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu: (27 commits) m68knommu: fix inconsistent formating in ColdFire 5407 definitions m68knommu: fix inconsistent formating in ColdFire 5307 definitions m68knommu: fix inconsistent formating in ColdFire 527x definitions m68knommu: fix inconsistent formating in ColdFire 5272 definitions m68knommu: fix inconsistent formating in ColdFire 523x definitions m68knommu: clean up ColdFire 54xx General Timer definitions m68knommu: clean up Pin Assignment definitions for the 54xx ColdFire CPU m68knommu: fix multi-function pin setup for FEC module on ColdFire 523x m68knommu: move ColdFire slice timer address defiens to 54xx header m68knommu: use read/write IO access functions in ColdFire m532x setup code m68knommu: modify ColdFire 532x GPIO register definitions to be consistent m68knommu: remove a lot of unsed definitions for 532x ColdFire m68knommu: use definitions for the ColdFire 528x FEC multi-function pins m68knommu: remove address offsets relative to IPSBAR for ColdFire 527x m68knommu: remove unused ColdFire 5282 register definitions m68knommu: fix wrong register offsets used for ColdFire 5272 multi-function pins m68knommu: make ColdFire 5249 MBAR2 register definitions absolute addresses m68knommu: make remaining ColdFire 5272 register definitions absolute addresses m68knommu: make ColdFire Park and Assignment register definitions absolute addresses m68knommu: make ColdFire Chip Select register definitions absolute addresses ... |
||
|
Linus Torvalds
|
dc92b1f9ab |
Merge branch 'virtio-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux
Pull virtio changes from Rusty Russell: "New workflow: same git trees pulled by linux-next get sent straight to Linus. Git is awkward at shuffling patches compared with quilt or mq, but that doesn't happen often once things get into my -next branch." * 'virtio-next' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux: (24 commits) lguest: fix occasional crash in example launcher. virtio-blk: Disable callback in virtblk_done() virtio_mmio: Don't attempt to create empty virtqueues virtio_mmio: fix off by one error allocating queue drivers/virtio/virtio_pci.c: fix error return code virtio: don't crash when device is buggy virtio: remove CONFIG_VIRTIO_RING virtio: add help to CONFIG_VIRTIO option. virtio: support reserved vqs virtio: introduce an API to set affinity for a virtqueue virtio-ring: move queue_index to vring_virtqueue virtio_balloon: not EXPERIMENTAL any more. virtio-balloon: dependency fix virtio-blk: fix NULL checking in virtblk_alloc_req() virtio-blk: Add REQ_FLUSH and REQ_FUA support to bio path virtio-blk: Add bio-based IO path for virtio-blk virtio: console: fix error handling in init() function tools: Fix pthread flag for Makefile of trace-agent used by virtio-trace tools: Add guest trace agent as a user tool virtio/console: Allocate scatterlist according to the current pipe size ... |
||
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Linus Torvalds
|
5e090ed7af |
ARM: soc: late platform updates
This branch contains updates to OMAP and Marvell platforms (kirkwood,
dove, mvebu) that came in after we had done the big multiplatform merges,
so they were kept separate from the rest, and not separated into the
traditional topics of cleanup/driver/platform features.
For OMAP, the updates are:
- Runtime PM conversions for the GPMC and RNG IP blocks
- Preparation patches for the OMAP common clock framework conversion
- clkdev alias additions required by other drivers
- Performance Monitoring Unit (PMU) support for OMAP2, 3, and non-4430 OMAP4
- OMAP hwmod code and data improvements
- Preparation patches for the IOMMU runtime PM conversion
- Preparation patches for OMAP4 full-chip retention support
For Kirkwood/Dove/mvebu:
- New driver for "address decoder controller" for mvebu, which
is a piece of hardware that configures addressable devices and
peripherals. First user is the boot rom aperture on armada XP since
it is needed for SMP support.
- New device tree bindings for peripherals such as gpio-fan, iconnect
nand, mv_cesa and the above address decoder controller.
- Some defconfig updates, mostly to enable new DT boards and a few drivers.
- New drivers using the pincontrol subsystem for dove, kirkwood and mvebu
- New clean gpio driver for mvebu
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Merge tag 'soc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull late ARM soc platform updates from Olof Johansson:
"This branch contains updates to OMAP and Marvell platforms (kirkwood,
dove, mvebu) that came in after we had done the big multiplatform
merges, so they were kept separate from the rest, and not separated
into the traditional topics of cleanup/driver/platform features.
For OMAP, the updates are:
- Runtime PM conversions for the GPMC and RNG IP blocks
- Preparation patches for the OMAP common clock framework conversion
- clkdev alias additions required by other drivers
- Performance Monitoring Unit (PMU) support for OMAP2, 3, and
non-4430 OMAP4
- OMAP hwmod code and data improvements
- Preparation patches for the IOMMU runtime PM conversion
- Preparation patches for OMAP4 full-chip retention support
For Kirkwood/Dove/mvebu:
- New driver for "address decoder controller" for mvebu, which is a
piece of hardware that configures addressable devices and
peripherals. First user is the boot rom aperture on armada XP
since it is needed for SMP support.
- New device tree bindings for peripherals such as gpio-fan, iconnect
nand, mv_cesa and the above address decoder controller.
- Some defconfig updates, mostly to enable new DT boards and a few
drivers.
- New drivers using the pincontrol subsystem for dove, kirkwood and
mvebu
- New clean gpio driver for mvebu"
* tag 'soc-late' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (98 commits)
ARM: mvebu: fix build breaks from multi-platform conversion
ARM: OMAP4460/4470: PMU: Enable PMU for OMAP4460/70
ARM: OMAP2+: PMU: Add runtime PM support
ARM: OMAP4430: PMU: prepare to create PMU device via HWMOD
ARM: OMAP2+: PMU: Convert OMAP2/3 devices to use HWMOD
ARM: OMAP3: hwmod data: Add debugss HWMOD data
ARM: OMAP2+: clockdomain/hwmod: add workaround for EMU clockdomain idle problems
ARM: OMAP: Add a timer attribute for timers that can interrupt the DSP
hwrng: OMAP: remove SoC restrictions from driver registration
ARM: OMAP: split OMAP1, OMAP2+ RNG device registration
hwrng: OMAP: convert to use runtime PM
hwrng: OMAP: store per-device data in per-device variables, not file statics
ARM: OMAP2xxx: hwmod/CM: add RNG integration data
ARM: OMAP2+: gpmc: minimal driver support
ARM: OMAP2+: gpmc: Adapt to HWMOD
ARM: OMAP2/3: hwmod data: add gpmc
ARM: OMAP4: hwmod data: add mmu hwmod for ipu and dsp
ARM: OMAP3: hwmod data: add mmu data for iva and isp
ARM: OMAP: iommu: fix including iommu.h without IOMMU_API selected
ARM: OMAP4: hwmod data: add missing HWMOD_NO_IDLEST flags to some PRCM IP blocks
...
|
||
|
Linus Torvalds
|
84424026c0 |
ARM: soc: defconfig updates
This might be the last time we do a standalone defconfig branch, since we now prefer to get them with the rest of the subarch updates instead. These add a handful of useful options on various platforms, enable new boards and SoCs, etc. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAABAgAGBQJQaO4QAAoJEIwa5zzehBx31ZIQAIxJFxE+KLGYg8jaD5NZqZJ+ z6y2EkZhHyIhgiH0RfQwsKeOiEQFh4QV3u5j0V+8ohbGTdAH00lvHZo8c2tAVTWT aU7AahEOnlvUqMG/Nw1FGOUH0WJbOzkzHxIwOdLEwLqUPP6wMaV75xGAXrKU3K15 hyGsTXQalEat4wec7dTfpMs1YioZj8SOMhrlY8SLPJ4KD4Ql3c2pgT1SYyKERrGe wnzPoDIMZj7VXvLoKOrjZqaW69emYAgph4GleLSp/0/SgiMQh8NjicgYjAdyf2Rk KXFd5NHXF0WzgvWQr6xC8JEnlaittdWxVIZaEPOiNoDKDIvpXaWFfqRfF/40HJhI 8ixUsLHDZxbw/ySxe9SZmTS+i2yBGej1znpRbsUnws8h8fN9Eoz9V8y0BWO0TxpW oThopAZTJxdpCXE9nKhk/Dau0oiW6t8FelUG1mIFleNSA2XW/SAeqWn5FW3PTxC1 whNj01JvDH5JilynK8s/UkH1mfGyvJA3hsnL6AbgfsY605pWySDgzexDRWqbq+B1 z/ZmVvN3mM+7ycM1AmL/tGArPtLdDVRwRo8eqBKZrAaHfW7g8WKbDoc4T7MVI0c1 O7dIG+NMXIpZKbBOIXPliWdyBlQ56da3XF9iNaYav2mRMwUiqHTbaHakPJM89fBd qOsKCA1BcRQgJb/eE7rh =+zKc -----END PGP SIGNATURE----- Merge tag 'defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc Pull ARM soc defconfig updates from Olof Johansson: "This might be the last time we do a standalone defconfig branch, since we now prefer to get them with the rest of the subarch updates instead. These add a handful of useful options on various platforms, enable new boards and SoCs, etc." * tag 'defconfig' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: ARM: tegra: defconfig updates ARM: LPC32xx: Defconfig update ARM: mach-shmobile: marzen: defconfig update ARM: mxs_defconfig: Add SPI and LRADC support ARM: s3c6400_defconfig: enable more boards in defconfig ARM: imx_v6_v7_defconfig: Remove CONFIG_DEFAULT_MMAP_MIN_ADDR ARM: imx_v6_v7_defconfig: Add Chipidea USB driver support ARM: mxs_defconfig: Add framebuffer support ARM: mxs_defconfig: Add LED, PWM and MTD_CHAR support ARM: mxs_defconfig: Enable USB host |
||
Dave Airlie
|
1f31c69dac |
Merge branch 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel into drm-next
Daniel writes: Bigger -fixes pile, mostly because I've included Ajax' DP dongle stuff, as discussed on irc. Otherwise just small things: - regression fix to finally make 6bpc auto-dither on dp work (Jani) - reinstate an snb ctx w/a that accidentally got lost in a rework (Chris) - fixup the DP train sequence, logic-goof-up uncovered by Coverty (Chris) - fix set_caching locking (Ben) - fix spurious segfault on con-current gtt mmap faulting (Dimitry and Mika) - some pageflip correctness fixes (still hunting down some issues, but these are the worst offenders of confused code that we've tracked down thus far) from Chris and me - fixup swizzling settings on vlv (Jesse) - gt_mode w/a from Ben added, fixes snb gt1 rc6+hw ctx hangs. * 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel: drm/i915: Fix GT_MODE default value drm/i915: don't frob the vblank ts in finish_page_flip drm/i915: call drm_handle_vblank before finish_page_flip drm/i915: print warning if vmi915_gem_fault error is not handled drm/i915: EBUSY status handling added to i915_gem_fault(). drm/i915: Try harder to complete DP training pattern 1 drm/i915: set swizzling to none on VLV drm/dp: Make sink count DP 1.2 aware drm/dp: Document DP spec versions for various DPCD registers drm/i915/dp: Be smarter about connection sense for branch devices drm/i915/dp: Fetch downstream port info if needed during DPCD fetch drm/dp: Update DPCD defines drm: Export drm_probe_ddc() drm/i915: Flush the pending flips on the CRTC before modification drm/i915: Actually invalidate the TLB for the SandyBridge HW contexts w/a drm/i915: Fix set_caching locking drm/i915: use adjusted_mode instead of mode for checking the 6bpc force flag |
||
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Dave Airlie
|
a5a0fc6743 |
Merge branch 'exynos-drm-next' of git://git.infradead.org/users/kmpark/linux-samsung into drm-next
Inki writes:
"this patch set updates exynos drm framework and includes minor fixups.
and this pull request except hdmi device tree support patch set posted
by Rahul Sharma because that includes media side patch so for this
patch set, we may have git pull one more time in addition, if we get
an agreement with media guys. for this patch, you can refer to below link,
http://comments.gmane.org/gmane.comp.video.dri.devel/74504
this pull request adds hdmi device tree support
and includes related patch set such as disabling of hdmi internal
interrupt, suppport for platform variants for hdmi and mixer,
support to disable video processor based on platform type and
removal of drm common platform data. as you know, this patch
set was delayed because it included an media side patch. so for this,
we got an ack from v4l2-based hdmi driver author, Tomasz Stanislawski."
* 'exynos-drm-next' of git://git.infradead.org/users/kmpark/linux-samsung: (34 commits)
drm: exynos: hdmi: remove drm common hdmi platform data struct
drm: exynos: hdmi: add support for exynos5 hdmi
drm: exynos: hdmi: replace is_v13 with version check in hdmi
drm: exynos: hdmi: add support for exynos5 mixer
drm: exynos: hdmi: add support to disable video processor in mixer
drm: exynos: hdmi: add support for platform variants for mixer
drm: exynos: hdmi: add support for exynos5 hdmiphy
drm: exynos: hdmi: add support for exynos5 ddc
drm: exynos: remove drm hdmi platform data struct
drm: exynos: hdmi: turn off HPD interrupt in HDMI chip
drm: exynos: hdmi: use s5p-hdmi platform data
drm: exynos: hdmi: fix interrupt handling
drm: exynos: hdmi: support for platform variants
media: s5p-hdmi: add HPD GPIO to platform data
drm/exynos: fix kcalloc size of g2d cmdlist node
drm/exynos: fix to calculate CRTC shown via screen
drm/exynos: fix display power call issue.
drm/exynos: add platform_device_id table and driver data for drm fimd
drm/exynos: Fix potential NULL pointer dereference
drm/exynos: support drm_wait_vblank feature for VIDI
...
Conflicts:
include/drm/exynos_drm.h
|
||
|
Dave Airlie
|
0dbe232183 |
Merge branch 'disintegrate-drm' of git://git.infradead.org/users/dhowells/linux-headers into drm-next
Merge the uapi bits for drm. * 'disintegrate-drm' of git://git.infradead.org/users/dhowells/linux-headers: UAPI: (Scripted) Disintegrate include/drm |
||
|
Linus Torvalds
|
0b8e74c6f4 |
Merge branch 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
"The first part of the media updates for Kernel 3.7.
This series contain:
- A major tree renaming patch series: now, drivers are organized
internally by their used bus, instead of by V4L2 and/or DVB API,
providing a cleaner driver location for hybrid drivers that
implement both APIs, and allowing to cleanup the Kconfig items and
make them more intuitive for the end user;
- Media Kernel developers are typically very lazy with their duties
of keeping the MAINTAINERS entries for their drivers updated. As
now the tree is more organized, we're doing an effort to add/update
those entries for the drivers that aren't currently orphan;
- Several DVB USB drivers got moved to a new DVB USB v2 core; the new
core fixes several bugs (as the existing one that got bitroted).
Now, suspend/resume finally started to work fine (at least with
some devices - we should expect more work with regards to it);
- added multistream support for DVB-T2, and unified the API for
DVB-S2 and ISDB-S. Backward binary support is preserved;
- as usual, a few new drivers, some V4L2 core improvements and lots
of drivers improvements and fixes.
There are some points to notice on this series:
1) you should expect a trivial merge conflict on your tree, with the
removal of Documentation/feature-removal-schedule.txt: this series
would be adding two additional entries there. I opted to not
rebase it due to this recent change;
2) With regards to the PCTV 520e udev-related breakage, I opted to
fix it in a way that the patches can be backported to 3.5 even
without your firmware fix patch. This way, Greg doesn't need to
rush backporting your patch (as there are still the firmware cache
and firmware path customization issues to be addressed there).
I'll send later a patch (likely after the end of the merge window)
reverting the rest of the DRX-K async firmware request, fully
restoring its original behaviour to allow media drivers to
initialize everything serialized as before for 3.7 and upper.
3) I'm planning to work on this weekend to test the DMABUF patches
for V4L2. The patches are on my queue for several Kernel cycles,
but, up to now, there is/was no way to test the series locally.
I have some concerns about this particular changeset with regards
to security issues, and with regards to the replacement of the old
VIDIOC_OVERLAY ioctl's that is broken on modern systems, due to
GPU drivers change. The Overlay API allows direct PCI2PCI
transfers from a media capture card into the GPU framebuffer, but
its API is crappy. Also, the only existing X11 driver that
implements it requires a XV extension that is not available
anymore on modern drivers. The DMABUF can do the same thing, but
with it is promising to be a properly-designed API. If I can
successfully test this series and be happy with it, I should be
asking you to pull them next week."
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (717 commits)
em28xx: regression fix: use DRX-K sync firmware requests on em28xx
drxk: allow loading firmware synchrousnously
em28xx: Make all em28xx extensions to be initialized asynchronously
[media] tda18271: properly report read errors in tda18271_get_id
[media] tda18271: delay IR & RF calibration until init() if delay_cal is set
[media] MAINTAINERS: add Michael Krufky as tda827x maintainer
[media] MAINTAINERS: add Michael Krufky as tda8290 maintainer
[media] MAINTAINERS: add Michael Krufky as cxusb maintainer
[media] MAINTAINERS: add Michael Krufky as lg2160 maintainer
[media] MAINTAINERS: add Michael Krufky as lgdt3305 maintainer
[media] MAINTAINERS: add Michael Krufky as mxl111sf maintainer
[media] MAINTAINERS: add Michael Krufky as mxl5007t maintainer
[media] MAINTAINERS: add Michael Krufky as tda18271 maintainer
[media] s5p-tv: Report only multi-plane capabilities in vidioc_querycap
[media] s5p-mfc: Fix misplaced return statement in s5p_mfc_suspend()
[media] exynos-gsc: Add missing static storage class specifiers
[media] exynos-gsc: Remove <linux/version.h> header file inclusion
[media] s5p-fimc: Fix incorrect condition in fimc_lite_reqbufs()
[media] s5p-tv: Fix potential NULL pointer dereference error
[media] s5k6aa: Fix possible NULL pointer dereference
...
|
||
|
Linus Torvalds
|
7f60ba388f |
1. We no longer ad-hoc to the function tracer "high level" infrastructure
and no longer use its debugfs knobs. The change slightly touches
kernel/trace directory, but it got the needed ack from Steven Rostedt:
http://lkml.org/lkml/2012/8/21/688
2. Added maintainers entry;
3. A bunch of fixes, nothing special.
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Merge tag 'for-v3.7' of git://git.infradead.org/users/cbou/linux-pstore
Pull pstore changes from Anton Vorontsov:
1) We no longer ad-hoc to the function tracer "high level"
infrastructure and no longer use its debugfs knobs. The change
slightly touches kernel/trace directory, but it got the needed ack
from Steven Rostedt:
http://lkml.org/lkml/2012/8/21/688
2) Added maintainers entry;
3) A bunch of fixes, nothing special.
* tag 'for-v3.7' of git://git.infradead.org/users/cbou/linux-pstore:
pstore: Avoid recursive spinlocks in the oops_in_progress case
pstore/ftrace: Convert to its own enable/disable debugfs knob
pstore/ram: Add missing platform_device_unregister
MAINTAINERS: Add pstore maintainers
pstore/ram: Mark ramoops_pstore_write_buf() as notrace
pstore/ram: Fix printk format warning
pstore/ram: Fix possible NULL dereference
|
||
|
Linus Torvalds
|
e665faa424 |
1. New drivers:
- Marvell 88pm860x charger and battery drivers;
- Texas Instruments LP8788 charger driver;
2. Two new power supply properties: whether a battery is authentic, and
chargers' maximal currents and voltages;
3. A lot of TI LP8727 Charger cleanups;
4. New features for Charger Manager, mainly now we can disable specific
regulators;
5. Random fixes and cleanups for other drivers.
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Merge tag 'for-v3.7' of git://git.infradead.org/battery-2.6
Pull battery updates from Anton Vorontsov:
"1. New drivers:
- Marvell 88pm860x charger and battery drivers;
- Texas Instruments LP8788 charger driver;
2. Two new power supply properties: whether a battery is authentic,
and chargers' maximal currents and voltages;
3. A lot of TI LP8727 Charger cleanups;
4. New features for Charger Manager, mainly now we can disable
specific regulators;
5. Random fixes and cleanups for other drivers."
Fix up trivial conflicts in <linux/mfd/88pm860x.h>
* tag 'for-v3.7' of git://git.infradead.org/battery-2.6: (52 commits)
pda_power: Remove ac_draw_failed goto and label
charger-manager: Add support sysfs entry for charger
charger-manager: Support limit of maximum possible
charger-manager: Check fully charged state of battery periodically
lp8727_charger: More pure cosmetic improvements
lp8727_charger: Fix checkpatch warning
lp8727_charger: Add description in the private data
lp8727_charger: Fix a typo - chg_parm to chg_param
lp8727_charger: Make some cosmetic changes in lp8727_delayed_func()
lp8727_charger: Clean up lp8727_charger_changed()
lp8727_charger: Return if the battery is discharging
lp8727_charger: Make lp8727_charger_get_propery() simpler
lp8727_charger: Make lp8727_ctrl_switch() inline
lp8727_charger: Make lp8727_init_device() shorter
lp8727_charger: Clean up lp8727_is_charger_attached()
lp8727_charger: Use specific definition
lp8727_charger: Clean up lp8727 definitions
lp8727_charger: Use the definition rather than enum
lp8727_charger: Fix code for getting battery temp
lp8727_charger: Clear interrrupts at inital time
...
|
||
|
Linus Torvalds
|
ca4da6948b |
Second batch of changes for the 3.7 merge window:
- Late-breaking fix for IPoIB on mlx4 SR-IOV VFs.
- Fix for IPoIB build breakage with CONFIG_INFINIBAND_IPOIB_CM=n
(new netlink config changes are to blame).
- Make sure retry count values are in range in RDMA CM.
- A few nes hardware driver fixes and cleanups.
- Have iSER initiator use >1 interrupt vectors if available.
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Merge tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
Pull infiniband changes from Roland Dreier:
"Second batch of changes for the 3.7 merge window:
- Late-breaking fix for IPoIB on mlx4 SR-IOV VFs.
- Fix for IPoIB build breakage with CONFIG_INFINIBAND_IPOIB_CM=n (new
netlink config changes are to blame).
- Make sure retry count values are in range in RDMA CM.
- A few nes hardware driver fixes and cleanups.
- Have iSER initiator use >1 interrupt vectors if available."
* tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
RDMA/cma: Check that retry count values are in range
IB/iser: Add more RX CQs to scale out processing of SCSI responses
RDMA/nes: Bump the version number of nes driver
RDMA/nes: Remove unused module parameter "send_first"
RDMA/nes: Remove unnecessary if-else statement
RDMA/nes: Add missing break to switch.
mlx4_core: Adjust flow steering attach wrapper so that IB works on SR-IOV VFs
IPoIB: Fix build with CONFIG_INFINIBAND_IPOIB_CM=n
|
||
|
Linus Torvalds
|
ed5062ddaa |
Merge branch 'uapi-prep' of git://git.infradead.org/users/dhowells/linux-headers
Pull UAPI disintegration fixes from David Howells:
"There are three main parts:
(1) I found I needed some more fixups in the wake of testing Arm64
(some asm/unistd.h files had weird guards that caused problems -
mostly in arches for which I don't have a compiler) and some
__KERNEL__ splitting needed to take place in Arm64.
(2) I found that c6x was missing some __KERNEL__ guards in its
asm/signal.h. Mark Salter pointed me at a tree with a patch to
remove that file entirely and use the asm-generic variant instead.
(3) Lastly, m68k turned out to have a header installation problem due
to it lacking a kvm_para.h file.
The conditional installation bits for linux/kvm_para.h, linux/kvm.h
and linux/a.out.h weren't very well specified - and didn't work if
an arch didn't have the asm/ version of that file, but there *was*
an asm-generic/ version.
It seems the "ifneq $((wildcard ...),)" for each of those three
headers in include/kernel/Kbuild is invoked twice during header
installation, and the second time it matches on the just installed
asm-generic/kvm_para.h file and thus incorrectly installs
linux/kvm_para.h as well.
Most arches actually have an asm/kvm_para.h, so this wasn't
detectable in those."
* 'uapi-prep' of git://git.infradead.org/users/dhowells/linux-headers:
UAPI: Fix conditional header installation handling (notably kvm_para.h on m68k)
c6x: remove c6x signal.h
UAPI: Split compound conditionals containing __KERNEL__ in Arm64
UAPI: Fix the guards on various asm/unistd.h files
c6x: make dsk6455 the default config
|
||
|
Linus Torvalds
|
125b79d74a |
Merge branch 'slab/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux
Pull SLAB changes from Pekka Enberg:
"New and noteworthy:
* More SLAB allocator unification patches from Christoph Lameter and
others. This paves the way for slab memcg patches that hopefully
will land in v3.8.
* SLAB tracing improvements from Ezequiel Garcia.
* Kernel tainting upon SLAB corruption from Dave Jones.
* Miscellanous SLAB allocator bug fixes and improvements from various
people."
* 'slab/for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/penberg/linux: (43 commits)
slab: Fix build failure in __kmem_cache_create()
slub: init_kmem_cache_cpus() and put_cpu_partial() can be static
mm/slab: Fix kmem_cache_alloc_node_trace() declaration
Revert "mm/slab: Fix kmem_cache_alloc_node_trace() declaration"
mm, slob: fix build breakage in __kmalloc_node_track_caller
mm/slab: Fix kmem_cache_alloc_node_trace() declaration
mm/slab: Fix typo _RET_IP -> _RET_IP_
mm, slub: Rename slab_alloc() -> slab_alloc_node() to match SLAB
mm, slab: Rename __cache_alloc() -> slab_alloc()
mm, slab: Match SLAB and SLUB kmem_cache_alloc_xxx_trace() prototype
mm, slab: Replace 'caller' type, void* -> unsigned long
mm, slob: Add support for kmalloc_track_caller()
mm, slab: Remove silly function slab_buffer_size()
mm, slob: Use NUMA_NO_NODE instead of -1
mm, sl[au]b: Taint kernel when we detect a corrupted slab
slab: Only define slab_error for DEBUG
slab: fix the DEADLOCK issue on l3 alien lock
slub: Zero initial memory segment for kmem_cache and kmem_cache_node
Revert "mm/sl[aou]b: Move sysfs_slab_add to common"
mm/sl[aou]b: Move kmem_cache refcounting to common code
...
|
||
|
Linus Torvalds
|
f1c6872e49 |
Features:
* Allow a Linux guest to boot as initial domain and as normal guests
on Xen on ARM (specifically ARMv7 with virtualized extensions).
PV console, block and network frontend/backends are working.
Bug-fixes:
* Fix compile linux-next fallout.
* Fix PVHVM bootup crashing.
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Merge tag 'stable/for-linus-3.7-arm-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen
Pull ADM Xen support from Konrad Rzeszutek Wilk:
Features:
* Allow a Linux guest to boot as initial domain and as normal guests
on Xen on ARM (specifically ARMv7 with virtualized extensions). PV
console, block and network frontend/backends are working.
Bug-fixes:
* Fix compile linux-next fallout.
* Fix PVHVM bootup crashing.
The Xen-unstable hypervisor (so will be 4.3 in a ~6 months), supports
ARMv7 platforms.
The goal in implementing this architecture is to exploit the hardware
as much as possible. That means use as little as possible of PV
operations (so no PV MMU) - and use existing PV drivers for I/Os
(network, block, console, etc). This is similar to how PVHVM guests
operate in X86 platform nowadays - except that on ARM there is no need
for QEMU. The end result is that we share a lot of the generic Xen
drivers and infrastructure.
Details on how to compile/boot/etc are available at this Wiki:
http://wiki.xen.org/wiki/Xen_ARMv7_with_Virtualization_Extensions
and this blog has links to a technical discussion/presentations on the
overall architecture:
http://blog.xen.org/index.php/2012/09/21/xensummit-sessions-new-pvh-virtualisation-mode-for-arm-cortex-a15arm-servers-and-x86/
* tag 'stable/for-linus-3.7-arm-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/konrad/xen: (21 commits)
xen/xen_initial_domain: check that xen_start_info is initialized
xen: mark xen_init_IRQ __init
xen/Makefile: fix dom-y build
arm: introduce a DTS for Xen unprivileged virtual machines
MAINTAINERS: add myself as Xen ARM maintainer
xen/arm: compile netback
xen/arm: compile blkfront and blkback
xen/arm: implement alloc/free_xenballooned_pages with alloc_pages/kfree
xen/arm: receive Xen events on ARM
xen/arm: initialize grant_table on ARM
xen/arm: get privilege status
xen/arm: introduce CONFIG_XEN on ARM
xen: do not compile manage, balloon, pci, acpi, pcpu and cpu_hotplug on ARM
xen/arm: Introduce xen_ulong_t for unsigned long
xen/arm: Xen detection and shared_info page mapping
docs: Xen ARM DT bindings
xen/arm: empty implementation of grant_table arch specific functions
xen/arm: sync_bitops
xen/arm: page.h definitions
xen/arm: hypercalls
...
|
||
Len Brown
|
3f44ea0d1c |
Merge branches 'acpica', 'acpidump', 'intel-idle', 'misc', 'module_acpi_driver-simplify', 'turbostat' and 'usb3' into release
add acpidump utility intel_idle driver now supports IVB Xeon turbostat can now count SMIs ACPI can now bind to USB3 hubs misc fixes |