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perf annotate --show-nr-samples does not really show number of samples.
The reason is we have two separate variables for the same purpose.
One is in symbol_conf.show_nr_samples and another is
annotation_options.show_nr_samples.
We save command line option in symbol_conf.show_nr_samples but uses
annotation_option.show_nr_samples while rendering tui/stdio2 browser.
Though, we copy symbol_conf.show_nr_samples to
annotation__default_options.show_nr_samples but that is not really
effective as we don't use annotation__default_options once we copy
default options to dynamic variable annotate.opts in cmd_annotate().
Instead of all these complication, keep only one variable and use it all
over. symbol_conf.show_nr_samples is used by perf report/top as well. So
let's kill annotation_options.show_nr_samples.
On a side note, I've kept annotation_options.show_nr_samples definition
because it's still used by perf-config code. Follow up patch to fix
perf-config for annotate will remove annotation_options.show_nr_samples.
Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Changbin Du <changbin.du@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Song Liu <songliubraving@fb.com>
Cc: Taeung Song <treeze.taeung@gmail.com>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Cc: Yisheng Xie <xieyisheng1@huawei.com>
Link: http://lore.kernel.org/lkml/20200213064306.160480-4-ravi.bangoria@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
perf annotate --show-total-period does not really show total period.
The reason is we have two separate variables for the same purpose.
One is in symbol_conf.show_total_period and another is
annotation_options.show_total_period.
We save command line option in symbol_conf.show_total_period but uses
annotation_option.show_total_period while rendering tui/stdio2 browser.
Though, we copy symbol_conf.show_total_period to
annotation__default_options.show_total_period but that is not really
effective as we don't use annotation__default_options once we copy
default options to dynamic variable annotate.opts in cmd_annotate().
Instead of all these complication, keep only one variable and use it all
over. symbol_conf.show_total_period is used by perf report/top as well.
So let's kill annotation_options.show_total_period.
On a side note, I've kept annotation_options.show_total_period
definition because it's still used by perf-config code. Follow up patch
to fix perf-config for annotate will remove
annotation_options.show_total_period.
Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Changbin Du <changbin.du@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Song Liu <songliubraving@fb.com>
Cc: Taeung Song <treeze.taeung@gmail.com>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Cc: Yisheng Xie <xieyisheng1@huawei.com>
Link: http://lore.kernel.org/lkml/20200213064306.160480-3-ravi.bangoria@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
The 'perf annotate' TUI browser provides a 'r' hot key to switch to a
script browser. But the annotate browser title bar becomes hidden while
switching back from script browser. Fix it.
Signed-off-by: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexey Budankov <alexey.budankov@linux.intel.com>
Cc: Changbin Du <changbin.du@intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Leo Yan <leo.yan@linaro.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Song Liu <songliubraving@fb.com>
Cc: Taeung Song <treeze.taeung@gmail.com>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Cc: Yisheng Xie <xieyisheng1@huawei.com>
Link: http://lore.kernel.org/lkml/20200213064306.160480-2-ravi.bangoria@linux.ibm.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Picking the changes from:
5ef8acbdd6 ("KVM: nVMX: Emulate MTF when performing instruction emulation")
Silencing this perf build warning:
Warning: Kernel ABI header at 'tools/arch/x86/include/uapi/asm/kvm.h' differs from latest version at 'arch/x86/include/uapi/asm/kvm.h'
diff -u tools/arch/x86/include/uapi/asm/kvm.h arch/x86/include/uapi/asm/kvm.h
No change in tooling ensues, just the x86 kvm tooling gets rebuilt as
those headers are included in its build:
$ cp arch/x86/include/uapi/asm/kvm.h tools/arch/x86/include/uapi/asm/kvm.h
$ make -C tools/perf
make: Entering directory '/home/acme/git/perf/tools/perf'
BUILD: Doing 'make -j12' parallel build
Auto-detecting system features:
... dwarf: [ on ]
<SNIP>
... disassembler-four-args: [ on ]
DESCEND plugins
CC /tmp/build/perf/arch/x86/util/kvm-stat.o
<SNIP>
LD /tmp/build/perf/arch/x86/util/perf-in.o
LD /tmp/build/perf/arch/x86/perf-in.o
LD /tmp/build/perf/arch/perf-in.o
LD /tmp/build/perf/perf-in.o
LINK /tmp/build/perf/perf
<SNIP>
$
As it doesn't seem to be used there:
$ grep STATE tools/perf/arch/x86/util/kvm-stat.c
$
And the 'perf trace' beautifier table generator isn't interested in
these things:
$ grep regex= tools/perf/trace/beauty/kvm_ioctl.sh
regex='^#[[:space:]]*define[[:space:]]+KVM_(\w+)[[:space:]]+_IO[RW]*\([[:space:]]*KVMIO[[:space:]]*,[[:space:]]*(0x[[:xdigit:]]+).*'
$
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Oliver Upton <oupton@google.com>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
To pick up the changes from these csets:
21b5ee59ef ("x86/cpu/amd: Enable the fixed Instructions Retired counter IRPERF")
$ tools/perf/trace/beauty/tracepoints/x86_msr.sh > before
$ cp arch/x86/include/asm/msr-index.h tools/arch/x86/include/asm/msr-index.h
$ git diff
diff --git a/tools/arch/x86/include/asm/msr-index.h b/tools/arch/x86/include/asm/msr-index.h
index ebe1685e92dd..d5e517d1c3dd 100644
--- a/tools/arch/x86/include/asm/msr-index.h
+++ b/tools/arch/x86/include/asm/msr-index.h
@@ -512,6 +512,8 @@
#define MSR_K7_HWCR 0xc0010015
#define MSR_K7_HWCR_SMMLOCK_BIT 0
#define MSR_K7_HWCR_SMMLOCK BIT_ULL(MSR_K7_HWCR_SMMLOCK_BIT)
+#define MSR_K7_HWCR_IRPERF_EN_BIT 30
+#define MSR_K7_HWCR_IRPERF_EN BIT_ULL(MSR_K7_HWCR_IRPERF_EN_BIT)
#define MSR_K7_FID_VID_CTL 0xc0010041
#define MSR_K7_FID_VID_STATUS 0xc0010042
$
That don't result in any change in tooling:
$ tools/perf/trace/beauty/tracepoints/x86_msr.sh > after
$ diff -u before after
$
To silence this perf build warning:
Warning: Kernel ABI header at 'tools/arch/x86/include/asm/msr-index.h' differs from latest version at 'arch/x86/include/asm/msr-index.h'
diff -u tools/arch/x86/include/asm/msr-index.h arch/x86/include/asm/msr-index.h
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kim Phillips <kim.phillips@amd.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
auxtrace:
Adrian Hunter:
- Fix endless record after being terminated on arm-spe.
Wei Li:
- Fix endless record after being terminated on Intel PT and BTS and
on ARM's cs-etm.
perf test:
Thomas Richter
- Fix test trace+probe_vfs_getname.sh on s390
PowerPC:
Arnaldo Carvalho de Melo:
- Sync powerpc syscall.tbl with the kernel sources.
BPF:
Arnaldo Carvalho de Melo:
- Remove extraneous bpf/ subdir from bpf.h headers used to build bpf events.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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Merge tag 'perf-urgent-for-mingo-5.6-20200220' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent
Pull perf/urgent fixes from Arnaldo Carvalho de Melo:
auxtrace:
Adrian Hunter:
- Fix endless record after being terminated on arm-spe.
Wei Li:
- Fix endless record after being terminated on Intel PT and BTS and
on ARM's cs-etm.
perf test:
Thomas Richter
- Fix test trace+probe_vfs_getname.sh on s390
PowerPC:
Arnaldo Carvalho de Melo:
- Sync powerpc syscall.tbl with the kernel sources.
BPF:
Arnaldo Carvalho de Melo:
- Remove extraneous bpf/ subdir from bpf.h headers used to build bpf events.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This tag contains a handful of RISC-V related fixes that I've collected and
would like to target for 5.6-rc4:
* A fix to set up the PMPs on boot, which allows the kernel to access memory on
systems that don't set up permissive PMPs before getting to Linux. This only
effects machine-mode kernels, which currently means only NOMMU kernels.
* A fix to avoid enabling supervisor-mode interrupts when running in
machine-mode, also only for NOMMU kernels.
* A pair of fixes to our KASAN support to avoid corrupting memory.
* A gitignore fix.
This boots on QEMU's virt board for me.
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Merge tag 'riscv-for-linux-5.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
"This contains a handful of RISC-V related fixes that I've collected
and would like to target for 5.6-rc4:
- A fix to set up the PMPs on boot, which allows the kernel to access
memory on systems that don't set up permissive PMPs before getting
to Linux. This only effects machine-mode kernels, which currently
means only NOMMU kernels.
- A fix to avoid enabling supervisor-mode interrupts when running in
machine-mode, also only for NOMMU kernels.
- A pair of fixes to our KASAN support to avoid corrupting memory.
- A gitignore fix.
This boots on QEMU's virt board for me"
* tag 'riscv-for-linux-5.6-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
riscv: adjust the indent
riscv: allocate a complete page size for each page table
riscv: Fix gitignore
RISC-V: Don't enable all interrupts in trap_init()
riscv: set pmp configuration if kernel is running in M-mode
Pull MIPS fixes from Paul Burton:
"Here are a few MIPS fixes, and a MAINTAINERS update to hand over MIPS
maintenance to Thomas Bogendoerfer - this will be my final pull
request as MIPS maintainer.
Thanks for your helpful comments, useful corrections & responsiveness
during the time I've fulfilled the role, and I'm sure I'll pop up
elsewhere in the tree somewhere down the line"
* 'mips-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
MAINTAINERS: Hand MIPS over to Thomas
MIPS: ingenic: DTS: Fix watchdog nodes
MIPS: X1000: Fix clock of watchdog node.
MIPS: vdso: Wrap -mexplicit-relocs in cc-option
MIPS: VPE: Fix a double free and a memory leak in 'release_vpe()'
MIPS: cavium_octeon: Fix syncw generation.
mips: vdso: add build time check that no 'jalr t9' calls left
MIPS: Disable VDSO time functionality on microMIPS
mips: vdso: fix 'jalr t9' crash in vdso code
My time with MIPS the company has reached its end, and so at best I'll
have little time spend on maintaining arch/mips/.
Ralf last authored a patch over 2 years ago, the last time he committed
one is even further back & activity was sporadic for a while before
that. The reality is that he isn't active.
Having a new maintainer with time to do things properly will be
beneficial all round. Thomas Bogendoerfer has been involved in MIPS
development for a long time & has offered to step up as maintainer, so
add Thomas and remove myself & Ralf from the MIPS entry.
Ralf already has an entry in CREDITS to honor his contributions, so this
just adds one for me.
Signed-off-by: Paul Burton <paulburton@kernel.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@vger.kernel.org
Each page table should be created by allocating a complete page size
for it. Otherwise, the content of the page table would be corrupted
somewhere through memory allocation which allocates the memory at the
middle of the page table for other use.
Signed-off-by: Zong Li <zong.li@sifive.com>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
issues found by "make W=1".
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull kvm fixes from Paolo Bonzini:
"Bugfixes, including the fix for CVE-2020-2732 and a few issues found
by 'make W=1'"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
KVM: s390: rstify new ioctls in api.rst
KVM: nVMX: Check IO instruction VM-exit conditions
KVM: nVMX: Refactor IO bitmap checks into helper function
KVM: nVMX: Don't emulate instructions in guest mode
KVM: nVMX: Emulate MTF when performing instruction emulation
KVM: fix error handling in svm_hardware_setup
KVM: SVM: Fix potential memory leak in svm_cpu_init()
KVM: apic: avoid calculating pending eoi from an uninitialized val
KVM: nVMX: clear PIN_BASED_POSTED_INTR from nested pinbased_ctls only when apicv is globally disabled
KVM: nVMX: handle nested posted interrupts when apicv is disabled for L1
kvm: x86: svm: Fix NULL pointer dereference when AVIC not enabled
KVM: VMX: Add VMX_FEATURE_USR_WAIT_PAUSE
KVM: nVMX: Hold KVM's srcu lock when syncing vmcs12->shadow
KVM: x86: don't notify userspace IOAPIC on edge-triggered interrupt EOI
kvm/emulate: fix a -Werror=cast-function-type
KVM: x86: fix incorrect comparison in trace event
KVM: nVMX: Fix some obsolete comments and grammar error
KVM: x86: fix missing prototypes
KVM: x86: enable -Werror
Pull crypto fixes from Herbert Xu:
"This fixes a Kconfig-related build error and an integer overflow in
chacha20poly1305"
* 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6:
crypto: chacha20poly1305 - prevent integer overflow on large input
tee: amdtee: amdtee depends on CRYPTO_DEV_CCP_DD
Pull tmpfs fix from Al Viro:
"Regression from fs_parse series this cycle..."
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
tmpfs: deny and force are not huge mount options
Jordy Zomer reported a KASAN out-of-bounds read in the floppy driver in
wait_til_ready().
Which on the face of it can't happen, since as Willy Tarreau points out,
the function does no particular memory access. Except through the FDCS
macro, which just indexes a static allocation through teh current fdc,
which is always checked against N_FDC.
Except the checking happens after we've already assigned the value.
The floppy driver is a disgrace (a lot of it going back to my original
horrd "design"), and has no real maintainer. Nobody has the hardware,
and nobody really cares. But it still gets used in virtual environment
because it's one of those things that everybody supports.
The whole thing should be re-written, or at least parts of it should be
seriously cleaned up. The 'current fdc' index, which is used by the
FDCS macro, and which is often shadowed by a local 'fdc' variable, is a
prime example of how not to write code.
But because nobody has the hardware or the motivation, let's just fix up
the immediate problem with a nasty band-aid: test the fdc index before
actually assigning it to the static 'fdc' variable.
Reported-by: Jordy Zomer <jordy@simplyhacker.com>
Cc: Willy Tarreau <w@1wt.eu>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
We also need to rstify the new ioctls that we added in parallel to the
rstification of the kvm docs.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Reviewed-by: Cornelia Huck <cohuck@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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Merge tag 'for-5.6-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux
Pull btrfs fixes from David Sterba:
"These are fixes that were found during testing with help of error
injection, plus some other stable material.
There's a fixup to patch added to rc1 causing locking in wrong context
warnings, tests found one more deadlock scenario. The patches are
tagged for stable, two of them now in the queue but we'd like all
three released at the same time.
I'm not happy about fixes to fixes in such a fast succession during
rcs, but I hope we found all the fallouts of commit 28553fa992
('Btrfs: fix race between shrinking truncate and fiemap')"
* tag 'for-5.6-rc2-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/kdave/linux:
Btrfs: fix deadlock during fast fsync when logging prealloc extents beyond eof
Btrfs: fix btrfs_wait_ordered_range() so that it waits for all ordered extents
btrfs: fix bytes_may_use underflow in prealloc error condtition
btrfs: handle logged extent failure properly
btrfs: do not check delayed items are empty for single transaction cleanup
btrfs: reset fs_root to NULL on error in open_ctree
btrfs: destroy qgroup extent records on transaction abort
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Merge tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4
Pull ext4 fixes from Ted Ts'o:
"More miscellaneous ext4 bug fixes (all stable fodder)"
* tag 'ext4_for_linus_stable' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso/ext4:
ext4: fix mount failure with quota configured as module
jbd2: fix ocfs2 corrupt when clearing block group bits
ext4: fix race between writepages and enabling EXT4_EXTENTS_FL
ext4: rename s_journal_flag_rwsem to s_writepages_rwsem
ext4: fix potential race between s_flex_groups online resizing and access
ext4: fix potential race between s_group_info online resizing and access
ext4: fix potential race between online resizing and write operations
ext4: add cond_resched() to __ext4_find_entry()
ext4: fix a data race in EXT4_I(inode)->i_disksize
- Fix up cache flush implementations.
- Fix up ftrace modify panic.
- Fix up CONFIG_SMP boot problem.
- Fix up pt_regs saving for atomic.S.
- Fix up fixaddr_init without highmem.
- Fix up stack protector support.
- Fix up fake Tightly-Coupled Memory codes compile and use.
- Fix up some typos and coding convention.
The tag is tested with [1].
1: https://gitlab.com/c-sky/buildroot/pipelines/120268254
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Merge tag 'csky-for-linus-5.6-rc3' of git://github.com/c-sky/csky-linux
Pull csky updates from Guo Ren:
"Sorry, I missed 5.6-rc1 merge window, but in this pull request the
most are the fixes and the rests are between fixes and features. The
only outside modification is the MAINTAINERS file update with our
mailing list.
- cache flush implementation fixes
- ftrace modify panic fix
- CONFIG_SMP boot problem fix
- fix pt_regs saving for atomic.S
- fix fixaddr_init without highmem.
- fix stack protector support
- fix fake Tightly-Coupled Memory code compile and use
- fix some typos and coding convention"
* tag 'csky-for-linus-5.6-rc3' of git://github.com/c-sky/csky-linux: (23 commits)
csky: Replace <linux/clk-provider.h> by <linux/of_clk.h>
csky: Implement copy_thread_tls
csky: Add PCI support
csky: Minimize defconfig to support buildroot config.fragment
csky: Add setup_initrd check code
csky: Cleanup old Kconfig options
arch/csky: fix some Kconfig typos
csky: Fixup compile warning for three unimplemented syscalls
csky: Remove unused cache implementation
csky: Fixup ftrace modify panic
csky: Add flush_icache_mm to defer flush icache all
csky: Optimize abiv2 copy_to_user_page with VM_EXEC
csky: Enable defer flush_dcache_page for abiv2 cpus (807/810/860)
csky: Remove unnecessary flush_icache_* implementation
csky: Support icache flush without specific instructions
csky/Kconfig: Add Kconfig.platforms to support some drivers
csky/smp: Fixup boot failed when CONFIG_SMP
csky: Set regs->usp to kernel sp, when the exception is from kernel
csky/mm: Fixup export invalid_pte_table symbol
csky: Separate fixaddr_init from highmem
...
Consult the 'unconditional IO exiting' and 'use IO bitmaps' VM-execution
controls when checking instruction interception. If the 'use IO bitmaps'
VM-execution control is 1, check the instruction access against the IO
bitmaps to determine if the instruction causes a VM-exit.
Signed-off-by: Oliver Upton <oupton@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Checks against the IO bitmap are useful for both instruction emulation
and VM-exit reflection. Refactor the IO bitmap checks into a helper
function.
Signed-off-by: Oliver Upton <oupton@google.com>
Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
vmx_check_intercept is not yet fully implemented. To avoid emulating
instructions disallowed by the L1 hypervisor, refuse to emulate
instructions by default.
Cc: stable@vger.kernel.org
[Made commit, added commit msg - Oliver]
Signed-off-by: Oliver Upton <oupton@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Since commit 5f3d45e7f2 ("kvm/x86: add support for
MONITOR_TRAP_FLAG"), KVM has allowed an L1 guest to use the monitor trap
flag processor-based execution control for its L2 guest. KVM simply
forwards any MTF VM-exits to the L1 guest, which works for normal
instruction execution.
However, when KVM needs to emulate an instruction on the behalf of an L2
guest, the monitor trap flag is not emulated. Add the necessary logic to
kvm_skip_emulated_instruction() to synthesize an MTF VM-exit to L1 upon
instruction emulation for L2.
Fixes: 5f3d45e7f2 ("kvm/x86: add support for MONITOR_TRAP_FLAG")
Signed-off-by: Oliver Upton <oupton@google.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
rename svm_hardware_unsetup as svm_hardware_teardown, move
it before svm_hardware_setup, and call it to free all memory
if fail to setup in svm_hardware_setup, otherwise memory will
be leaked
remove __exit attribute for it since it is called in __init
function
Signed-off-by: Li RongQing <lirongqing@baidu.com>
Reviewed-by: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
The C-Sky platform code is not a clock provider, and just needs to call
of_clk_init().
Hence it can include <linux/of_clk.h> instead of <linux/clk-provider.h>.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
- Populate the per CPU MCA bank descriptor pointer only after it has been
completely set up to prevent a use-after-free in case that one of the
subsequent initialization step fails
- Implement a proper release function for the sysfs entries of MCA
threshold controls instead of freeing the memory right in the CPU
teardown code, which leads to another use-after-free when the
associated sysfs file is opened and accessed.
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Merge tag 'ras-urgent-2020-02-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull RAS fixes from Thomas Gleixner:
"Two fixes for the AMD MCE driver:
- Populate the per CPU MCA bank descriptor pointer only after it has
been completely set up to prevent a use-after-free in case that one
of the subsequent initialization step fails
- Implement a proper release function for the sysfs entries of MCA
threshold controls instead of freeing the memory right in the CPU
teardown code, which leads to another use-after-free when the
associated sysfs file is opened and accessed"
* tag 'ras-urgent-2020-02-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/mce/amd: Fix kobject lifetime
x86/mce/amd: Publish the bank pointer only after setup has succeeded
fixes:
- The WARN_ON which was put into the MSI setaffinity callback for paranoia
reasons actually triggered via a callchain which escaped when all the
possible ways to reach that code were analyzed.
The proc/irq/$N/*affinity interfaces have a quirk which came in when
ALPHA moved to the generic interface: In case that the written affinity
mask does not contain any online CPU it calls into ALPHAs magic auto
affinity setting code.
A few years later this mechanism was also made available to x86 for no
good reasons and in a way which circumvents all sanity checks for
interrupts which cannot have their affinity set from process context on
X86 due to the way the X86 interrupt delivery works.
It would be possible to make this work properly, but there is no point
in doing so. If the interrupt is not yet started then the affinity
setting has no effect and if it is started already then it is already
assigned to an online CPU so there is no point to randomly move it to
some other CPU. Just return EINVAL as the code has done before that
change forever.
- The new MSI quirk bit in the irq domain flags turned out to be already
occupied, which escaped the author and the reviewers because the already
in use bits were 0,6,2,3,4,5 listed in that order. That bit 6 was simply
overlooked because the ordering was straight forward linear
otherwise. So the new bit ended up being a duplicate. Fix it up by
switching the oddball 6 to the obvious 1.
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Merge tag 'irq-urgent-2020-02-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull irq fixes from Thomas Gleixner:
"Two fixes for the irq core code which are follow ups to the recent MSI
fixes:
- The WARN_ON which was put into the MSI setaffinity callback for
paranoia reasons actually triggered via a callchain which escaped
when all the possible ways to reach that code were analyzed.
The proc/irq/$N/*affinity interfaces have a quirk which came in
when ALPHA moved to the generic interface: In case that the written
affinity mask does not contain any online CPU it calls into ALPHAs
magic auto affinity setting code.
A few years later this mechanism was also made available to x86 for
no good reasons and in a way which circumvents all sanity checks
for interrupts which cannot have their affinity set from process
context on X86 due to the way the X86 interrupt delivery works.
It would be possible to make this work properly, but there is no
point in doing so. If the interrupt is not yet started then the
affinity setting has no effect and if it is started already then it
is already assigned to an online CPU so there is no point to
randomly move it to some other CPU. Just return EINVAL as the code
has done before that change forever.
- The new MSI quirk bit in the irq domain flags turned out to be
already occupied, which escaped the author and the reviewers
because the already in use bits were 0,6,2,3,4,5 listed in that
order.
That bit 6 was simply overlooked because the ordering was straight
forward linear otherwise. So the new bit ended up being a
duplicate.
Fix it up by switching the oddball 6 to the obvious 1"
* tag 'irq-urgent-2020-02-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
genirq/irqdomain: Make sure all irq domain flags are distinct
genirq/proc: Reject invalid affinity masks (again)
- Remove the __force_oder definiton from the kaslr boot code as it is
already defined in the page table code which makes GCC 10 builds fail
because it changed the default to -fno-common.
- Address the AMD erratum 1054 concerning the IRPERF capability and
enable the Instructions Retired fixed counter on machines which are not
affected by the erratum.
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Merge tag 'x86-urgent-2020-02-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Thomas Gleixner:
"Two fixes for x86:
- Remove the __force_oder definiton from the kaslr boot code as it is
already defined in the page table code which makes GCC 10 builds
fail because it changed the default to -fno-common.
- Address the AMD erratum 1054 concerning the IRPERF capability and
enable the Instructions Retired fixed counter on machines which are
not affected by the erratum"
* tag 'x86-urgent-2020-02-22' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/cpu/amd: Enable the fixed Instructions Retired counter IRPERF
x86/boot/compressed: Don't declare __force_order in kaslr_64.c
A single patch for this pull request fixing typos in the documentation
file.
Signed-off-by: Damien Le Moal <damien.lemoal@wdc.com>
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Merge tag 'zonefs-5.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs
Pull zonefs fix from Damien Le Moal:
"A single patch fixing typos in the documentation file"
* tag 'zonefs-5.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs:
zonefs: fix documentation typos etc.
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Merge tag 'io_uring-5.6-2020-02-22' of git://git.kernel.dk/linux-block
Pull io_uring fixes from Jens Axboe:
"Here's a small collection of fixes that were queued up:
- Remove unnecessary NULL check (Dan)
- Missing io_req_cancelled() call in fallocate (Pavel)
- Put the cleanup check for aux data in the right spot (Pavel)
- Two fixes for SQPOLL (Stefano, Xiaoguang)"
* tag 'io_uring-5.6-2020-02-22' of git://git.kernel.dk/linux-block:
io_uring: fix __io_iopoll_check deadlock in io_sq_thread
io_uring: prevent sq_thread from spinning when it should stop
io_uring: fix use-after-free by io_cleanup_req()
io_uring: remove unnecessary NULL checks
io_uring: add missing io_req_cancelled()
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Merge tag 'block-5.6-2020-02-22' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
"Just a set of NVMe fixes via Keith"
* tag 'block-5.6-2020-02-22' of git://git.kernel.dk/linux-block:
nvme-multipath: Fix memory leak with ana_log_buf
nvme: Fix uninitialized-variable warning
nvme-pci: Use single IRQ vector for old Apple models
nvme/pci: Add sleep quirk for Samsung and Toshiba drives
Four non-core fixes. Two are reverts of target fixes which turned out
to have unwanted side effects, one is a revert of an RDMA fix with the
same problem and the final one fixes an incorrect warning about memory
allocation failures in megaraid_sas (the driver actually reduces the
allocation size until it succeeds).
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Four non-core fixes.
Two are reverts of target fixes which turned out to have unwanted side
effects, one is a revert of an RDMA fix with the same problem and the
final one fixes an incorrect warning about memory allocation failures
in megaraid_sas (the driver actually reduces the allocation size until
it succeeds)"
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: Revert "target: iscsi: Wait for all commands to finish before freeing a session"
scsi: Revert "RDMA/isert: Fix a recently introduced regression related to logout"
scsi: megaraid_sas: silence a warning
scsi: Revert "target/core: Inline transport_lun_remove_cmd()"
- Remove ieee_emulation_warnings sysctl which is a dead code.
- Avoid triggering rebuild of the kernel during make install.
- Enable protected virtualization guest support in default configs.
- Fix cio_ignore seq_file .next function to increase position index. And
use kobj_to_dev instead of container_of in cio code.
- Fix storage block address lists to contain absolute addresses in
qdio code.
- Few clang warnings and spelling fixes.
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Merge tag 's390-5.6-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fixes from Vasily Gorbik:
- Remove ieee_emulation_warnings sysctl which is a dead code.
- Avoid triggering rebuild of the kernel during make install.
- Enable protected virtualization guest support in default configs.
- Fix cio_ignore seq_file .next function to increase position index.
And use kobj_to_dev instead of container_of in cio code.
- Fix storage block address lists to contain absolute addresses in qdio
code.
- Few clang warnings and spelling fixes.
* tag 's390-5.6-4' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/qdio: fill SBALEs with absolute addresses
s390/qdio: fill SL with absolute addresses
s390: remove obsolete ieee_emulation_warnings
s390: make 'install' not depend on vmlinux
s390/kaslr: Fix casts in get_random
s390/mm: Explicitly compare PAGE_DEFAULT_KEY against zero in storage_key_init_range
s390/pkey/zcrypt: spelling s/crytp/crypt/
s390/cio: use kobj_to_dev() API
s390/defconfig: enable CONFIG_PROTECTED_VIRTUALIZATION_GUEST
s390/cio: cio_ignore_proc_seq_next should increase position index
Since commit a3a0e43fd7 ("io_uring: don't enter poll loop if we have
CQEs pending"), if we already events pending, we won't enter poll loop.
In case SETUP_IOPOLL and SETUP_SQPOLL are both enabled, if app has
been terminated and don't reap pending events which are already in cq
ring, and there are some reqs in poll_list, io_sq_thread will enter
__io_iopoll_check(), and find pending events, then return, this loop
will never have a chance to exit.
I have seen this issue in fio stress tests, to fix this issue, let
io_sq_thread call io_iopoll_getevents() with argument 'min' being zero,
and remove __io_iopoll_check().
Fixes: a3a0e43fd7 ("io_uring: don't enter poll loop if we have CQEs pending")
Signed-off-by: Xiaoguang Wang <xiaoguang.wang@linux.alibaba.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
When CONFIG_QFMT_V2 is configured as a module, the test in
ext4_feature_set_ok() fails and so mount of filesystems with quota or
project features fails. Fix the test to use IS_ENABLED macro which
works properly even for modules.
Link: https://lore.kernel.org/r/20200221100835.9332-1-jack@suse.cz
Fixes: d65d87a074 ("ext4: improve explanation of a mount failure caused by a misconfigured kernel")
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org
If EXT4_EXTENTS_FL is set on an inode while ext4_writepages() is running
on it, the following warning in ext4_add_complete_io() can be hit:
WARNING: CPU: 1 PID: 0 at fs/ext4/page-io.c:234 ext4_put_io_end_defer+0xf0/0x120
Here's a minimal reproducer (not 100% reliable) (root isn't required):
while true; do
sync
done &
while true; do
rm -f file
touch file
chattr -e file
echo X >> file
chattr +e file
done
The problem is that in ext4_writepages(), ext4_should_dioread_nolock()
(which only returns true on extent-based files) is checked once to set
the number of reserved journal credits, and also again later to select
the flags for ext4_map_blocks() and copy the reserved journal handle to
ext4_io_end::handle. But if EXT4_EXTENTS_FL is being concurrently set,
the first check can see dioread_nolock disabled while the later one can
see it enabled, causing the reserved handle to unexpectedly be NULL.
Since changing EXT4_EXTENTS_FL is uncommon, and there may be other races
related to doing so as well, fix this by synchronizing changing
EXT4_EXTENTS_FL with ext4_writepages() via the existing
s_writepages_rwsem (previously called s_journal_flag_rwsem).
This was originally reported by syzbot without a reproducer at
https://syzkaller.appspot.com/bug?extid=2202a584a00fffd19fbf,
but now that dioread_nolock is the default I also started seeing this
when running syzkaller locally.
Link: https://lore.kernel.org/r/20200219183047.47417-3-ebiggers@kernel.org
Reported-by: syzbot+2202a584a00fffd19fbf@syzkaller.appspotmail.com
Fixes: 6b523df4fb ("ext4: use transaction reservation for extent conversion in ext4_end_io")
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: stable@kernel.org
In preparation for making s_journal_flag_rwsem synchronize
ext4_writepages() with changes to both the EXTENTS and JOURNAL_DATA
flags (rather than just JOURNAL_DATA as it does currently), rename it to
s_writepages_rwsem.
Link: https://lore.kernel.org/r/20200219183047.47417-2-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@google.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Jan Kara <jack@suse.cz>
Cc: stable@kernel.org
During an online resize an array of s_flex_groups structures gets replaced
so it can get enlarged. If there is a concurrent access to the array and
this memory has been reused then this can lead to an invalid memory access.
The s_flex_group array has been converted into an array of pointers rather
than an array of structures. This is to ensure that the information
contained in the structures cannot get out of sync during a resize due to
an accessor updating the value in the old structure after it has been
copied but before the array pointer is updated. Since the structures them-
selves are no longer copied but only the pointers to them this case is
mitigated.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=206443
Link: https://lore.kernel.org/r/20200221053458.730016-4-tytso@mit.edu
Signed-off-by: Suraj Jitindar Singh <surajjs@amazon.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org
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Merge tag 'for-linus-5.6-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
"Two small fixes for Xen:
- a fix to avoid warnings with new gcc
- a fix for incorrectly disabled interrupts when calling
_cond_resched()"
* tag 'for-linus-5.6-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen: Enable interrupts when calling _cond_resched()
x86/xen: Distribute switch variables for initialization
- Fix regression in malloc() caused by ignored address tags in brk()
- Add missing brackets around argument to untagged_addr() macro
- Fix clang build when using binutils assembler
- Fix silly typo in virtual memory map documentation
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Will Deacon:
"It's all straightforward apart from the changes to mmap()/mremap() in
relation to their handling of address arguments from userspace with
non-zero tag bits in the upper byte.
The change to brk() is necessary to fix a nasty user-visible
regression in malloc(), but we tightened up mmap() and mremap() at the
same time because they also allow the user to create virtual aliases
by accident. It's much less likely than brk() to matter in practice,
but enforcing the principle of "don't permit the creation of mappings
using tagged addresses" leads to a straightforward ABI without having
to worry about the "but what if a crazy program did foo?" aspect of
things.
Summary:
- Fix regression in malloc() caused by ignored address tags in brk()
- Add missing brackets around argument to untagged_addr() macro
- Fix clang build when using binutils assembler
- Fix silly typo in virtual memory map documentation"
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
mm: Avoid creating virtual address aliases in brk()/mmap()/mremap()
docs: arm64: fix trivial spelling enought to enough in memory.rst
arm64: memory: Add missing brackets to untagged_addr() macro
arm64: lse: Fix LSE atomics with LLVM
- Three fixes for the recently added VMAP_STACK on 32-bit.
- Three fixes related to hugepages on 8xx (32-bit).
- A fix for a bug in our transactional memory handling that could lead to a
kernel crash if we saw a page fault during signal delivery.
- A fix for a deadlock in our PCI EEH (Enhanced Error Handling) code.
- A couple of other minor fixes.
Thanks to:
Christophe Leroy, Erhard F, Frederic Barrat, Gustavo Luiz Duarte, Larry
Finger, Leonardo Bras, Oliver O'Halloran, Sam Bobroff.
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Merge tag 'powerpc-5.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
"Some more powerpc fixes for 5.6. This is two weeks worth as I was out
sick last week:
- Three fixes for the recently added VMAP_STACK on 32-bit.
- Three fixes related to hugepages on 8xx (32-bit).
- A fix for a bug in our transactional memory handling that could
lead to a kernel crash if we saw a page fault during signal
delivery.
- A fix for a deadlock in our PCI EEH (Enhanced Error Handling) code.
- A couple of other minor fixes.
Thanks to: Christophe Leroy, Erhard F, Frederic Barrat, Gustavo Luiz
Duarte, Larry Finger, Leonardo Bras, Oliver O'Halloran, Sam Bobroff"
* tag 'powerpc-5.6-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
powerpc/entry: Fix an #if which should be an #ifdef in entry_32.S
powerpc/xmon: Fix whitespace handling in getstring()
powerpc/6xx: Fix power_save_ppc32_restore() with CONFIG_VMAP_STACK
powerpc/chrp: Fix enter_rtas() with CONFIG_VMAP_STACK
powerpc/32s: Fix DSI and ISI exceptions for CONFIG_VMAP_STACK
powerpc/tm: Fix clearing MSR[TS] in current when reclaiming on signal delivery
powerpc/8xx: Fix clearing of bits 20-23 in ITLB miss
powerpc/hugetlb: Fix 8M hugepages on 8xx
powerpc/hugetlb: Fix 512k hugepages on 8xx with 16k page size
powerpc/eeh: Fix deadlock handling dead PHB
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Merge tag 'linux-watchdog-5.6-rc3' of git://www.linux-watchdog.org/linux-watchdog
Pull watchdog fixes from Wim Van Sebroeck:
- mtk_wdt needs RESET_CONTROLLER to build
- da9062 driver fixes:
- fix power management ops
- do not ping the hw during stop()
- add dependency on I2C
* tag 'linux-watchdog-5.6-rc3' of git://www.linux-watchdog.org/linux-watchdog:
watchdog: da9062: Add dependency on I2C
watchdog: da9062: fix power management ops
watchdog: da9062: do not ping the hw during stop()
watchdog: fix mtk_wdt.c RESET_CONTROLLER build error
Here are some small char/misc driver fixes for 5.6-rc3.
Also included in here are some updates for some documentation files that
I seem to be maintaining these days.
The driver fixes are:
- small fixes for the habanalabs driver
- fsi driver bugfix
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'char-misc-5.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc
Pull char/misc driver fixes from Greg KH:
"Here are some small char/misc driver fixes for 5.6-rc3.
Also included in here are some updates for some documentation files
that I seem to be maintaining these days.
The driver fixes are:
- small fixes for the habanalabs driver
- fsi driver bugfix
All of these have been in linux-next for a while with no reported
issues"
* tag 'char-misc-5.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc:
Documentation/process: Swap out the ambassador for Canonical
habanalabs: patched cb equals user cb in device memset
habanalabs: do not halt CoreSight during hard reset
habanalabs: halt the engines before hard-reset
MAINTAINERS: remove unnecessary ':' characters
fsi: aspeed: add unspecified HAS_IOMEM dependency
COPYING: state that all contributions really are covered by this file
Documentation/process: Change Microsoft contact for embargoed hardware issues
embargoed-hardware-issues: drop Amazon contact as the email address now bounces
Documentation/process: Add Arm contact for embargoed HW issues
Here are some small staging driver fixes for 5.6-rc3, along with the
removal of an unused/unneeded driver as well.
The android vsoc driver is not needed anymore by anyone, so it was
removed.
The other driver fixes are:
- ashmem bugfixes
- greybus audio driver bugfix
- wireless driver bugfixes and tiny cleanups to error paths
All of these have been in linux-next for a while now with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-5.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging driver fixes from Greg KH:
"Here are some small staging driver fixes for 5.6-rc3, along with the
removal of an unused/unneeded driver as well.
The android vsoc driver is not needed anymore by anyone, so it was
removed.
The other driver fixes are:
- ashmem bugfixes
- greybus audio driver bugfix
- wireless driver bugfixes and tiny cleanups to error paths
All of these have been in linux-next for a while now with no reported
issues"
* tag 'staging-5.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: rtl8723bs: Remove unneeded goto statements
staging: rtl8188eu: Remove some unneeded goto statements
staging: rtl8723bs: Fix potential overuse of kernel memory
staging: rtl8188eu: Fix potential overuse of kernel memory
staging: rtl8723bs: Fix potential security hole
staging: rtl8188eu: Fix potential security hole
staging: greybus: use after free in gb_audio_manager_remove_all()
staging: android: Delete the 'vsoc' driver
staging: rtl8723bs: fix copy of overlapping memory
staging: android: ashmem: Disallow ashmem memory from being remapped
staging: vt6656: fix sign of rx_dbm to bb_pre_ed_rssi.
Here are a number of small tty and serial driver fixes for 5.6-rc3 that
resolve a bunch of reported issues.
They are:
- vt selection and ioctl fixes
- serdev bugfix
- atmel serial driver fixes
- qcom serial driver fixes
- other minor serial driver fixes
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-5.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver fixes from Greg KH:
"Here are a number of small tty and serial driver fixes for 5.6-rc3
that resolve a bunch of reported issues.
They are:
- vt selection and ioctl fixes
- serdev bugfix
- atmel serial driver fixes
- qcom serial driver fixes
- other minor serial driver fixes
All of these have been in linux-next for a while with no reported
issues"
* tag 'tty-5.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
vt: selection, close sel_buffer race
vt: selection, handle pending signals in paste_selection
serial: cpm_uart: call cpm_muram_init before registering console
tty: serial: qcom_geni_serial: Fix RX cancel command failure
serial: 8250: Check UPF_IRQ_SHARED in advance
tty: serial: imx: setup the correct sg entry for tx dma
vt: vt_ioctl: fix race in VT_RESIZEX
vt: fix scrollback flushing on background consoles
tty: serial: tegra: Handle RX transfer in PIO mode if DMA wasn't started
tty/serial: atmel: manage shutdown in case of RS485 or ISO7816 mode
serdev: ttyport: restore client ops on deregistration
serial: ar933x_uart: set UART_CS_{RX,TX}_READY_ORIDE
Here are a number of small USB driver fixes for 5.6-rc3.
Included in here are:
- MAINTAINER file updates
- USB gadget driver fixes
- usb core quirk additions and fixes for regressions
- xhci driver fixes
- usb serial driver id additions and fixes
- thunderbolt bugfix
Thunderbolt patches come in through here now that USB4 is really
thunderbolt.
All of these have been in linux-next for a while with no reported
issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-5.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB/Thunderbolt fixes from Greg KH:
"Here are a number of small USB driver fixes for 5.6-rc3.
Included in here are:
- MAINTAINER file updates
- USB gadget driver fixes
- usb core quirk additions and fixes for regressions
- xhci driver fixes
- usb serial driver id additions and fixes
- thunderbolt bugfix
Thunderbolt patches come in through here now that USB4 is really
thunderbolt.
All of these have been in linux-next for a while with no reported
issues"
* tag 'usb-5.6-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (34 commits)
USB: misc: iowarrior: add support for the 100 device
thunderbolt: Prevent crash if non-active NVMem file is read
usb: gadget: udc-xilinx: Fix xudc_stop() kernel-doc format
USB: misc: iowarrior: add support for the 28 and 28L devices
USB: misc: iowarrior: add support for 2 OEMed devices
USB: Fix novation SourceControl XL after suspend
xhci: Fix memory leak when caching protocol extended capability PSI tables - take 2
Revert "xhci: Fix memory leak when caching protocol extended capability PSI tables"
MAINTAINERS: Sort entries in database for THUNDERBOLT
usb: dwc3: debug: fix string position formatting mixup with ret and len
usb: gadget: serial: fix Tx stall after buffer overflow
usb: gadget: ffs: ffs_aio_cancel(): Save/restore IRQ flags
usb: dwc2: Fix SET/CLEAR_FEATURE and GET_STATUS flows
usb: dwc2: Fix in ISOC request length checking
usb: gadget: composite: Support more than 500mA MaxPower
usb: gadget: composite: Fix bMaxPower for SuperSpeedPlus
usb: gadget: u_audio: Fix high-speed max packet size
usb: dwc3: gadget: Check for IOC/LST bit in TRB->ctrl fields
USB: core: clean up endpoint-descriptor parsing
USB: quirks: blacklist duplicate ep on Sound Devices USBPre2
...