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Use the iavf_schedule_aq_request() helper when we need to
schedule a watchdog task immediately. No functional change.
Signed-off-by: Petr Oros <poros@redhat.com>
Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Fields 'head', 'tail', 'len', 'bah' and 'bal' in iavf_adminq_ring
are used to store register offsets. These offsets are initialized
and remains constant so there is no need to store them in the
iavf_adminq_ring structure.
Remove these fields from iavf_adminq_ring and use register offset
constants instead. Remove iavf_adminq_init_regs() that originally
stores these constants into these fields.
Finally improve iavf_check_asq_alive() that assumes that
non-zero value of hw->aq.asq.len indicates fully initialized
AdminQ send queue. Replace it by check for non-zero value
of field hw->aq.asq.count that is non-zero when the sending
queue is initialized and is zeroed during shutdown of
the queue.
Signed-off-by: Ivan Vecera <ivecera@redhat.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Tested-by: Rafal Romanowski <rafal.romanowski@intel.com>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Fields 'head', 'tail', 'len', 'bah' and 'bal' in i40e_adminq_ring
are used to store register offsets. These offsets are initialized
and remains constant so there is no need to store them in the
i40e_adminq_ring structure.
Remove these fields from i40e_adminq_ring and use register offset
constants instead. Remove i40e_adminq_init_regs() that originally
stores these constants into these fields.
Finally improve i40e_check_asq_alive() that assumes that
non-zero value of hw->aq.asq.len indicates fully initialized
AdminQ send queue. Replace it by check for non-zero value
of field hw->aq.asq.count that is non-zero when the sending
queue is initialized and is zeroed during shutdown of
the queue.
Signed-off-by: Ivan Vecera <ivecera@redhat.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
The i40e driver does not handle its VF device types so there
is no need to keep AdminQ register definitions for such
device types. Remove them.
Signed-off-by: Ivan Vecera <ivecera@redhat.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
Removed fields:
.fc_autoneg_status
Since commit c56999f94876 ("i40e/i40evf: Add set_fc and init of
FC settings") write-only and otherwise unused
.eeprom_version
Write-only and otherwise unused
.atr_sample_rate
Has only one possible value (I40E_DEFAULT_ATR_SAMPLE_RATE). Remove
it and replace its occurrences by I40E_DEFAULT_ATR_SAMPLE_RATE
.adminq_work_limit
Has only one possible value (I40E_AQ_WORK_LIMIT). Remove it and
replace its occurrences by I40E_AQ_WORK_LIMIT
.tx_sluggish_count
Unused, never written
.pf_seid
Used to store VSI downlink seid and it is referenced only once
in the same codepath. There is no need to save it into i40e_pf.
Remove it and use downlink_seid directly in the mentioned log
message.
.instance
Write only. Remove it as well as ugly static local variable
'pfs_found' in i40e_probe.
.int_policy
.switch_kobj
.ptp_pps_work
.ptp_extts1_work
.ptp_pps_start
.pps_delay
.ptp_pin
.override_q_count
All these unused at all
Prior the patch:
pahole -Ci40e_pf drivers/net/ethernet/intel/i40e/i40e.ko | tail -5
/* size: 5368, cachelines: 84, members: 127 */
/* sum members: 5297, holes: 20, sum holes: 71 */
/* paddings: 6, sum paddings: 19 */
/* last cacheline: 56 bytes */
};
After the patch:
pahole -Ci40e_pf drivers/net/ethernet/intel/i40e/i40e.ko | tail -5
/* size: 4976, cachelines: 78, members: 112 */
/* sum members: 4905, holes: 17, sum holes: 71 */
/* paddings: 6, sum paddings: 19 */
/* last cacheline: 48 bytes */
};
Signed-off-by: Ivan Vecera <ivecera@redhat.com>
Reviewed-by: Przemek Kitszel <przemyslaw.kitszel@intel.com>
Reviewed-by: Wojciech Drewek <wojciech.drewek@intel.com>
Tested-by: Pucha Himasekhar Reddy <himasekharx.reddy.pucha@intel.com> (A Contingent worker at Intel)
Signed-off-by: Tony Nguyen <anthony.l.nguyen@intel.com>
It was a mistake to prefer polling based mode when setting a performance
level for a domain. Let's instead rely on the protocol to decide what is
best and thus avoid polling when possible.
Reported-by: Nikunj Kela <nkela@quicinc.com>
Fixes: 2af23ceb8624 ("pmdomain: arm: Add the SCMI performance domain")
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Link: https://lore.kernel.org/r/20231127135033.136442-1-ulf.hansson@linaro.org
With latest upstream llvm18, the following test cases failed:
$ ./test_progs -j
#13/2 bpf_cookie/multi_kprobe_link_api:FAIL
#13/3 bpf_cookie/multi_kprobe_attach_api:FAIL
#13 bpf_cookie:FAIL
#77 fentry_fexit:FAIL
#78/1 fentry_test/fentry:FAIL
#78 fentry_test:FAIL
#82/1 fexit_test/fexit:FAIL
#82 fexit_test:FAIL
#112/1 kprobe_multi_test/skel_api:FAIL
#112/2 kprobe_multi_test/link_api_addrs:FAIL
[...]
#112 kprobe_multi_test:FAIL
#356/17 test_global_funcs/global_func17:FAIL
#356 test_global_funcs:FAIL
Further analysis shows llvm upstream patch [1] is responsible for the above
failures. For example, for function bpf_fentry_test7() in net/bpf/test_run.c,
without [1], the asm code is:
0000000000000400 <bpf_fentry_test7>:
400: f3 0f 1e fa endbr64
404: e8 00 00 00 00 callq 0x409 <bpf_fentry_test7+0x9>
409: 48 89 f8 movq %rdi, %rax
40c: c3 retq
40d: 0f 1f 00 nopl (%rax)
... and with [1], the asm code is:
0000000000005d20 <bpf_fentry_test7.specialized.1>:
5d20: e8 00 00 00 00 callq 0x5d25 <bpf_fentry_test7.specialized.1+0x5>
5d25: c3 retq
... and <bpf_fentry_test7.specialized.1> is called instead of <bpf_fentry_test7>
and this caused test failures for #13/#77 etc. except #356.
For test case #356/17, with [1] (progs/test_global_func17.c)), the main prog
looks like:
0000000000000000 <global_func17>:
0: b4 00 00 00 2a 00 00 00 w0 = 0x2a
1: 95 00 00 00 00 00 00 00 exit
... which passed verification while the test itself expects a verification
failure.
Let us add 'barrier_var' style asm code in both places to prevent function
specialization which caused selftests failure.
[1] https://github.com/llvm/llvm-project/pull/72903
Signed-off-by: Yonghong Song <yonghong.song@linux.dev>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20231127050342.1945270-1-yonghong.song@linux.dev
Extend performance counter stats in 'ethtool -S <interface>'
for MANA VF to include all GDMA stat counter.
Tested-on: Ubuntu22
Testcases:
1. LISA testcase:
PERF-NETWORK-TCP-THROUGHPUT-MULTICONNECTION-NTTTCP-Synthetic
2. LISA testcase:
PERF-NETWORK-TCP-THROUGHPUT-MULTICONNECTION-NTTTCP-SRIOV
Signed-off-by: Shradha Gupta <shradhagupta@linux.microsoft.com>
Link: https://lore.kernel.org/r/1700830950-803-1-git-send-email-shradhagupta@linux.microsoft.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
The debugfs files for netdevs (sdata) and links are removed
with the wiphy mutex held, which may deadlock. Use the new
wiphy locked debugfs to avoid that.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
The read is currently with RCU and the write can deadlock,
convert both for the sake of illustration.
Make mac80211 depend on cfg80211 debugfs to get the helpers,
but mac80211 debugfs without it does nothing anyway. This
also required some adjustments in ath9k.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Add wrappers for debugfs files that should be called with
the wiphy mutex held, while the file is also to be removed
under the wiphy mutex. This could otherwise deadlock when
a file is trying to acquire the wiphy mutex while the code
removing it holds the mutex but waits for the removal.
This actually works by pushing the execution of the read
or write handler to a wiphy work that can be cancelled
using the debugfs cancellation API.
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
In some cases there might be longer-running hardware accesses
in debugfs files, or attempts to acquire locks, and we want
to still be able to quickly remove the files.
Introduce a cancellations API to use inside the debugfs handler
functions to be able to cancel such operations on a per-file
basis.
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
When you take a lock in a debugfs handler but also try
to remove the debugfs file under that lock, things can
deadlock since the removal has to wait for all users
to finish.
Add lockdep annotations in debugfs_file_get()/_put()
to catch such issues.
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
debugfs_create_automount() stores a function pointer in d_fsdata,
but since commit 7c8d469877b1 ("debugfs: add support for more
elaborate ->d_fsdata") debugfs_release_dentry() will free it, now
conditionally on DEBUGFS_FSDATA_IS_REAL_FOPS_BIT, but that's not
set for the function pointer in automount. As a result, removing
an automount dentry would attempt to free the function pointer.
Luckily, the only user of this (tracing) never removes it.
Nevertheless, it's safer if we just handle the fsdata in one way,
namely either DEBUGFS_FSDATA_IS_REAL_FOPS_BIT or allocated. Thus,
change the automount to allocate it, and use the real_fops in the
data to indicate whether or not automount is filled, rather than
adding a type tag. At least for now this isn't actually needed,
but the next changes will require it.
Also check in debugfs_file_get() that it gets only called
on regular files, just to make things clearer.
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
- With the usage of simple_recursive_remove() recommended by Al Viro,
the code should not be calling "d_invalidate()" itself. Doing so
is causing crashes. The code was calling d_invalidate() on the race
of trying to look up a file while the parent was being deleted.
This was detected, and the added dentry was having d_invalidate() called
on it, but the deletion of the directory was also calling d_invalidate()
on that same dentry.
- A fix to not free the eventfs_inode (ei) until the last dput() was called
on its ei->dentry made the ei->dentry exist even after it was marked
for free by setting the ei->is_freed. But code elsewhere still was
checking if ei->dentry was NULL if ei->is_freed is set and would
trigger WARN_ON if that was the case. That's no longer true and there
should not be any warnings when it is true.
- Use GFP_NOFS for allocations done under eventfs_mutex.
The eventfs_mutex can be taken on file system reclaim, make sure
that allocations done under that mutex do not trigger file system
reclaim.
- Clean up code by moving the taking of inode_lock out of the helper
functions and into where they are needed, and not use the
parameter to know to take it or not. It must always be held but
some callers of the helper function have it taken when they were
called.
- Warn if the inode_lock is not held in the helper functions.
- Warn if eventfs_start_creating() is called without a parent.
As eventfs is underneath tracefs, all files created will have
a parent (the top one will have a tracefs parent).
Tracing update;
- Add Mathieu Desnoyers as an official reviewer of the tracing sub system.
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Merge tag 'trace-v6.7-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace
Pull tracing fixes from Steven Rostedt::
"Eventfs fixes:
- With the usage of simple_recursive_remove() recommended by Al Viro,
the code should not be calling "d_invalidate()" itself. Doing so is
causing crashes. The code was calling d_invalidate() on the race of
trying to look up a file while the parent was being deleted. This
was detected, and the added dentry was having d_invalidate() called
on it, but the deletion of the directory was also calling
d_invalidate() on that same dentry.
- A fix to not free the eventfs_inode (ei) until the last dput() was
called on its ei->dentry made the ei->dentry exist even after it
was marked for free by setting the ei->is_freed. But code elsewhere
still was checking if ei->dentry was NULL if ei->is_freed is set
and would trigger WARN_ON if that was the case. That's no longer
true and there should not be any warnings when it is true.
- Use GFP_NOFS for allocations done under eventfs_mutex. The
eventfs_mutex can be taken on file system reclaim, make sure that
allocations done under that mutex do not trigger file system
reclaim.
- Clean up code by moving the taking of inode_lock out of the helper
functions and into where they are needed, and not use the parameter
to know to take it or not. It must always be held but some callers
of the helper function have it taken when they were called.
- Warn if the inode_lock is not held in the helper functions.
- Warn if eventfs_start_creating() is called without a parent. As
eventfs is underneath tracefs, all files created will have a parent
(the top one will have a tracefs parent).
Tracing update:
- Add Mathieu Desnoyers as an official reviewer of the tracing subsystem"
* tag 'trace-v6.7-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace:
MAINTAINERS: TRACING: Add Mathieu Desnoyers as Reviewer
eventfs: Make sure that parent->d_inode is locked in creating files/dirs
eventfs: Do not allow NULL parent to eventfs_start_creating()
eventfs: Move taking of inode_lock into dcache_dir_open_wrapper()
eventfs: Use GFP_NOFS for allocation when eventfs_mutex is held
eventfs: Do not invalidate dentry in create_file/dir_dentry()
eventfs: Remove expectation that ei->is_freed means ei->dentry == NULL
bpf_mem_cache_alloc_flags() may call __alloc() directly when there is no
free object in free list, but it doesn't initialize the allocation hint
for the returned pointer. It may lead to bad memory dereference when
freeing the pointer, so fix it by initializing the allocation hint.
Fixes: 822fb26bdb55 ("bpf: Add a hint to allocated objects.")
Signed-off-by: Hou Tao <houtao1@huawei.com>
Acked-by: Yonghong Song <yonghong.song@linux.dev>
Link: https://lore.kernel.org/r/20231111043821.2258513-1-houtao@huaweicloud.com
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
- Drop HP-UX ENOSYM and EREMOTERELEASE return codes to avoid glibc
build issues
- Fix section alignments for ex_table, altinstructions, parisc unwind
table, jump_table and bug_table
- Reduce size of bug_table on 64-bit kernel by using relative
pointers
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Merge tag 'parisc-for-6.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc architecture fixes from Helge Deller:
"This patchset fixes and enforces correct section alignments for the
ex_table, altinstructions, parisc_unwind, jump_table and bug_table
which are created by inline assembly.
Due to not being correctly aligned at link & load time they can
trigger unnecessarily the kernel unaligned exception handler at
runtime. While at it, I switched the bug table to use relative
addresses which reduces the size of the table by half on 64-bit.
We still had the ENOSYM and EREMOTERELEASE errno symbols as left-overs
from HP-UX, which now trigger build-issues with glibc. We can simply
remove them.
Most of the patches are tagged for stable kernel series.
Summary:
- Drop HP-UX ENOSYM and EREMOTERELEASE return codes to avoid glibc
build issues
- Fix section alignments for ex_table, altinstructions, parisc unwind
table, jump_table and bug_table
- Reduce size of bug_table on 64-bit kernel by using relative
pointers"
* tag 'parisc-for-6.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc: Reduce size of the bug_table on 64-bit kernel by half
parisc: Drop the HP-UX ENOSYM and EREMOTERELEASE error codes
parisc: Use natural CPU alignment for bug_table
parisc: Ensure 32-bit alignment on parisc unwind section
parisc: Mark lock_aligned variables 16-byte aligned on SMP
parisc: Mark jump_table naturally aligned
parisc: Mark altinstructions read-only and 32-bit aligned
parisc: Mark ex_table entries 32-bit aligned in uaccess.h
parisc: Mark ex_table entries 32-bit aligned in assembly.h
and remove the driver version announcement to avoid version
confusion when distros backport fixes.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'x86-urgent-2023-11-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 microcode fixes from Ingo Molnar:
"Fix/enhance x86 microcode version reporting: fix the bootup log spam,
and remove the driver version announcement to avoid version confusion
when distros backport fixes"
* tag 'x86-urgent-2023-11-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/microcode: Rework early revisions reporting
x86/microcode: Remove the driver announcement and version
code resulting in non-working events on those platforms.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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Merge tag 'perf-urgent-2023-11-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 perf event fix from Ingo Molnar:
"Fix a bug in the Intel hybrid CPUs hardware-capabilities enumeration
code resulting in non-working events on those platforms"
* tag 'perf-urgent-2023-11-26' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf/x86/intel: Correct incorrect 'or' operation for PMU capabilities
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Merge tag '6.7-rc2-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6
Pull smb client fixes from Steve French:
- use after free fix in releasing multichannel interfaces
- fixes for special file types (report char, block, FIFOs properly when
created e.g. by NFS to Windows)
- fixes for reporting various special file types and symlinks properly
when using SMB1
* tag '6.7-rc2-smb3-client-fixes' of git://git.samba.org/sfrench/cifs-2.6:
smb: client: introduce cifs_sfu_make_node()
smb: client: set correct file type from NFS reparse points
smb: client: introduce ->parse_reparse_point()
smb: client: implement ->query_reparse_point() for SMB1
cifs: fix use after free for iface while disabling secondary channels
Ioana Ciornei says:
====================
dpaa2-eth: various fixes
The first patch fixes a memory corruption issue happening between the Tx
and Tx confirmation of a packet by making the Tx alignment at 64bytes
mandatory instead of optional as it was previously.
The second patch fixes the Rx copybreak code path which recycled the
initial data buffer before all processing was done on the packet.
Changes in v2:
- squashed patches #1 and #2
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
The blamed commit added support for Rx copybreak. This meant that for
certain frame sizes, a new skb was allocated and the initial data buffer
was recycled. Instead of waiting to recycle the Rx buffer only after all
processing was done on it (like accessing the parse results or timestamp
information), the code path just went ahead and re-used the buffer right
away.
This sometimes lead to corrupted HW and SW annotation areas.
Fix this by delaying the moment when the buffer is recycled.
Fixes: 50f826999a80 ("dpaa2-eth: add rx copybreak support")
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Increase the needed headroom to account for a 64 byte alignment
restriction which, with this patch, we make mandatory on the Tx path.
The case in which the amount of headroom needed is not available is
already handled by the driver which instead sends a S/G frame with the
first buffer only holding the SW and HW annotation areas.
Without this patch, we can empirically see data corruption happening
between Tx and Tx confirmation which sometimes leads to the SW
annotation area being overwritten.
Since this is an old IP where the hardware team cannot help to
understand the underlying behavior, we make the Tx alignment mandatory
for all frames to avoid the crash on Tx conf. Also, remove the comment
that suggested that this is just an optimization.
This patch also sets the needed_headroom net device field to the usual
value that the driver would need on the Tx path:
- 64 bytes for the software annotation area
- 64 bytes to account for a 64 byte aligned buffer address
Fixes: 6e2387e8f19e ("staging: fsl-dpaa2/eth: Add Freescale DPAA2 Ethernet driver")
Closes: https://lore.kernel.org/netdev/aa784d0c-85eb-4e5d-968b-c8f74fa86be6@gin.de/
Signed-off-by: Ioana Ciornei <ioana.ciornei@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pages belonging to a page_pool (PP) instance must be freed through the
PP APIs in-order to correctly release any DMA mappings and release
refcnt on the DMA device when freeing PP instance. When PP release a
page (page_pool_release_page) the page->pp_magic value is cleared.
This patch detect a leaked PP page in free_page_is_bad() via
unexpected state of page->pp_magic value being PP_SIGNATURE.
We choose to report and treat it as a bad page. It would be possible
to release the page via returning it to the PP instance as the
page->pp pointer is likely still valid.
Notice this code is only activated when either compiled with
CONFIG_DEBUG_VM or boot cmdline debug_pagealloc=on, and
CONFIG_PAGE_POOL.
Reduced example output of leak with PP_SIGNATURE = dead000000000040:
BUG: Bad page state in process swapper/4 pfn:141fa6
page:000000006dbf8062 refcount:0 mapcount:0 mapping:0000000000000000 index:0x141fa6000 pfn:0x141fa6
flags: 0x2fffff80000000(node=0|zone=2|lastcpupid=0x1fffff)
page_type: 0xffffffff()
raw: 002fffff80000000 dead000000000040 ffff88814888a000 0000000000000000
raw: 0000000141fa6000 0000000000000001 00000000ffffffff 0000000000000000
page dumped because: page_pool leak
[...]
Call Trace:
<IRQ>
dump_stack_lvl+0x32/0x50
bad_page+0x70/0xf0
free_unref_page_prepare+0x263/0x430
free_unref_page+0x34/0x130
mlx5e_free_rx_mpwqe+0x190/0x1c0 [mlx5_core]
mlx5e_post_rx_mpwqes+0x1ac/0x280 [mlx5_core]
mlx5e_napi_poll+0x12b/0x710 [mlx5_core]
? skb_free_head+0x4f/0x90
__napi_poll+0x2b/0x1c0
net_rx_action+0x27b/0x360
The advantage is the Call Trace directly points to the function
leaking the PP page, which in this case is an on purpose bug
introduced into the mlx5 driver to test this code change.
Currently PP will periodically in page_pool_release_retry()
printk warning "stalled pool shutdown" which cannot be directly
corrolated to leaking and might as well be a false positive
due to SKBs being stuck on a socket for an extended period.
After this patch we should be able to remove this printk.
Signed-off-by: Jesper Dangaard Brouer <hawk@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
As of commit b92143d4420f ("net: dsa: mv88e6xxx: add infrastructure for
phylink_pcs") probing of a Marvell 88e6350 switch causes a NULL pointer
de-reference like this example:
...
mv88e6085 d0072004.mdio-mii:11: switch 0x3710 detected: Marvell 88E6350, revision 2
8<--- cut here ---
Unable to handle kernel NULL pointer dereference at virtual address 00000000 when read
[00000000] *pgd=00000000
Internal error: Oops: 5 [#1] ARM
Modules linked in:
CPU: 0 PID: 8 Comm: kworker/u2:0 Not tainted 6.7.0-rc2-dirty #26
Hardware name: Marvell Armada 370/XP (Device Tree)
Workqueue: events_unbound deferred_probe_work_func
PC is at mv88e6xxx_port_setup+0x1c/0x44
LR is at dsa_port_devlink_setup+0x74/0x154
pc : [<c057ea24>] lr : [<c0819598>] psr: a0000013
sp : c184fce0 ip : c542b8f4 fp : 00000000
r10: 00000001 r9 : c542a540 r8 : c542bc00
r7 : c542b838 r6 : c5244580 r5 : 00000005 r4 : c5244580
r3 : 00000000 r2 : c542b840 r1 : 00000005 r0 : c1a02040
...
The Marvell 6350 switch has no SERDES interface and so has no
corresponding pcs_ops defined for it. But during probing a call is made
to mv88e6xxx_port_setup() which unconditionally expects pcs_ops to exist -
though the presence of the pcs_ops->pcs_init function is optional.
Modify code to check for pcs_ops first, before checking for and calling
pcs_ops->pcs_init. Modify checking and use of pcs_ops->pcs_teardown
which may potentially suffer the same problem.
Fixes: b92143d4420f ("net: dsa: mv88e6xxx: add infrastructure for phylink_pcs")
Signed-off-by: Greg Ungerer <gerg@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
As of commit de5c9bf40c45 ("net: phylink: require supported_interfaces to
be filled") Marvell 88e6350 switches fail to be probed:
...
mv88e6085 d0072004.mdio-mii:11: switch 0x3710 detected: Marvell 88E6350, revision 2
mv88e6085 d0072004.mdio-mii:11: phylink: error: empty supported_interfaces
error creating PHYLINK: -22
mv88e6085: probe of d0072004.mdio-mii:11 failed with error -22
...
The problem stems from the use of mv88e6185_phylink_get_caps() to get
the device capabilities. Create a new dedicated phylink_get_caps for the
6351 family (which the 6350 is one of) to properly support their set of
capabilities.
According to chip.h the 6351 switch family includes the 6171, 6175, 6350
and 6351 switches, so update each of these to use the correct
phylink_get_caps.
Fixes: de5c9bf40c45 ("net: phylink: require supported_interfaces to be filled")
Signed-off-by: Greg Ungerer <gerg@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
Here are a number of reverts, fixes, and new device ids for 6.7-rc3 for
the USB, PHY, and Thunderbolt driver subsystems. Include in here are:
- reverts of some PHY drivers that went into 6.7-rc1 that shouldn't
have been merged yet, the author is reworking them based on review
comments as they were using older apis that shouldn't be used
anymore for newer drivers
- small thunderbolt driver fixes for reported issues
- USB driver fixes for a variety of small issues in dwc3, typec, xhci,
and other smaller drivers.
- new device ids for usb-serial and onboard_usb_hub drivers.
All of these have been in linux-next with no reported issues.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-6.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB / PHY / Thunderbolt fixes from Greg KH:
"Here are a number of reverts, fixes, and new device ids for 6.7-rc3
for the USB, PHY, and Thunderbolt driver subsystems. Include in here
are:
- reverts of some PHY drivers that went into 6.7-rc1 that shouldn't
have been merged yet, the author is reworking them based on review
comments as they were using older apis that shouldn't be used
anymore for newer drivers
- small thunderbolt driver fixes for reported issues
- USB driver fixes for a variety of small issues in dwc3, typec,
xhci, and other smaller drivers.
- new device ids for usb-serial and onboard_usb_hub drivers.
All of these have been in linux-next with no reported issues"
* tag 'usb-6.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (33 commits)
USB: serial: option: add Luat Air72*U series products
USB: dwc3: qcom: fix ACPI platform device leak
USB: dwc3: qcom: fix software node leak on probe errors
USB: dwc3: qcom: fix resource leaks on probe deferral
USB: dwc3: qcom: simplify wakeup interrupt setup
USB: dwc3: qcom: fix wakeup after probe deferral
dt-bindings: usb: qcom,dwc3: fix example wakeup interrupt types
usb: misc: onboard-hub: add support for Microchip USB5744
dt-bindings: usb: microchip,usb5744: Add second supply
usb: misc: ljca: Fix enumeration error on Dell Latitude 9420
USB: serial: option: add Fibocom L7xx modules
USB: xhci-plat: fix legacy PHY double init
usb: typec: tipd: Supply also I2C driver data
usb: xhci-mtk: fix in-ep's start-split check failure
usb: dwc3: set the dma max_seg_size
usb: config: fix iteration issue in 'usb_get_bos_descriptor()'
usb: dwc3: add missing of_node_put and platform_device_put
USB: dwc2: write HCINT with INTMASK applied
usb: misc: ljca: Drop _ADR support to get ljca children devices
usb: cdnsp: Fix deadlock issue during using NCM gadget
...
I accidentally removed the error checking after issuing the reset.
Restore it.
Fixes: f257c73e5356 ("mlxsw: pci: Add support for new reset flow")
Reported-by: Coverity Scan <scan-admin@coverity.com>
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: Jiri Pirko <jiri@nvidia.com>
Signed-off-by: Petr Machata <petrm@nvidia.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
RollBall SFP modules allow the access to PHY registers only after a
certain time has passed. Until then, the registers read 0xffff.
Currently we have quirks for modules where we need to wait either 25
seconds or 4 seconds, but recently I got hands on another module where
the wait is even shorter.
Instead of hardcoding different wait times, lets rework the code:
- increase the PHY retry count to 25
- when RollBall module is detected, increase the PHY retry time from
50ms to 1s
Signed-off-by: Marek Behún <kabel@kernel.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
* Validate quota records recovered from the log before writing them to the
disk.
Signed-off-by: Chandan Babu R <chandanbabu@kernel.org>
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Merge tag 'xfs-6.7-fixes-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux
Pull xfs fix from Chandan Babu:
- Validate quota records recovered from the log before writing them to
the disk.
* tag 'xfs-6.7-fixes-3' of git://git.kernel.org/pub/scm/fs/xfs/xfs-linux:
xfs: dquot recovery does not validate the recovered dquot
xfs: clean up dqblk extraction
- Fix "rodata=on" not disabling "rodata=full" on arm64
- Add arm64 make dependency between vmlinuz.efi and Image, leading to
occasional build failures previously (with parallel building)
- Add newline to the output formatting of the za-fork kselftest
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Merge tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux
Pull arm64 fixes from Catalin Marinas:
- Fix "rodata=on" not disabling "rodata=full" on arm64
- Add arm64 make dependency between vmlinuz.efi and Image, leading to
occasional build failures previously (with parallel building)
- Add newline to the output formatting of the za-fork kselftest
* tag 'arm64-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux:
arm64: add dependency between vmlinuz.efi and Image
kselftest/arm64: Fix output formatting for za-fork
arm64: mm: Fix "rodata=on" when CONFIG_RODATA_FULL_DEFAULT_ENABLED=y
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Merge tag 'for-linus-6.7a-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull xen fixes from Juergen Gross:
- A small cleanup patch for the Xen privcmd driver
- A fix for the swiotlb-xen driver which was missing the advertising of
the maximum mapping length
- A fix for Xen on Arm for a longstanding bug, which happened to occur
only recently: a structure in percpu memory crossed a page boundary,
which was rejected by the hypervisor
* tag 'for-linus-6.7a-rc3-tag' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
arm/xen: fix xen_vcpu_info allocation alignment
xen: privcmd: Replace zero-length array with flex-array member and use __counted_by
swiotlb-xen: provide the "max_mapping_size" method
Enable GENERIC_BUG_RELATIVE_POINTERS which will store 32-bit relative
offsets to the bug address and the source file name instead of 64-bit
absolute addresses. This effectively reduces the size of the
bug_table[] array by half on 64-bit kernels.
Signed-off-by: Helge Deller <deller@gmx.de>
Those return codes are only defined for the parisc architecture and
are leftovers from when we wanted to be HP-UX compatible.
They are not returned by any Linux kernel syscall but do trigger
problems with the glibc strerrorname_np() and strerror() functions as
reported in glibc issue #31080.
There is no need to keep them, so simply remove them.
Signed-off-by: Helge Deller <deller@gmx.de>
Reported-by: Bruno Haible <bruno@clisp.org>
Closes: https://sourceware.org/bugzilla/show_bug.cgi?id=31080
Cc: stable@vger.kernel.org
Make sure that the __bug_table section gets 32- or 64-bit aligned,
depending if a 32- or 64-bit kernel is being built.
Mark it non-writeable and use .blockz instead of the .org assembler
directive to pad the struct.
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org # v6.0+
On parisc we need 16-byte alignment for variables which are used for
locking. Mark the __lock_aligned attribute acordingly so that the
.data..lock_aligned section will get that alignment in the generated
object files.
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org # v6.0+
The jump_table stores two 32-bit words and one 32- (on 32-bit kernel)
or one 64-bit word (on 64-bit kernel).
Ensure that the last word is always 64-bit aligned on a 64-bit kernel
by aligning the whole structure on sizeof(long).
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org # v6.0+
Add an align statement to tell the linker that all ex_table entries and as
such the whole ex_table section should be 32-bit aligned in vmlinux and modules.
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org # v6.0+
Add an align statement to tell the linker that all ex_table entries and as
such the whole ex_table section should be 32-bit aligned in vmlinux and modules.
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org # v6.0+
No error code are available to signal an invalid firmware content.
Drivers that can check the firmware content validity can not return this
specific failure to the user-space
Expand the firmware error code with an additional code:
- "firmware invalid" code which can be used when the provided firmware
is invalid
Sync lib/test_firmware.c file accordingly.
Acked-by: Luis Chamberlain <mcgrof@kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Kory Maincent <kory.maincent@bootlin.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://lore.kernel.org/r/20231122-feature_firmware_error_code-v3-1-04ec753afb71@bootlin.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
- Remove unnecessary assignment of the performance event last_tag.
- Create missing /sys/firmware/ipl/* attributes when kernel is
booted in dump mode using List-directed ECKD IPL.
- Remove odd comment.
- Fix s390-specific part of scripts/checkstack.pl script that only
matches three-digit numbers starting with 3 or any higher number
and skips any stack sizes smaller than 304 bytes.
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Merge tag 's390-6.7-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 updates from Alexander Gordeev:
- Remove unnecessary assignment of the performance event last_tag.
- Create missing /sys/firmware/ipl/* attributes when kernel is booted
in dump mode using List-directed ECKD IPL.
- Remove odd comment.
- Fix s390-specific part of scripts/checkstack.pl script that only
matches three-digit numbers starting with 3 or any higher number and
skips any stack sizes smaller than 304 bytes.
* tag 's390-6.7-3' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
scripts/checkstack.pl: match all stack sizes for s390
s390: remove odd comment
s390/ipl: add missing IPL_TYPE_ECKD_DUMP case to ipl_init()
s390/pai: cleanup event initialization
Drivers supporting 4-way handshake offload for AP/P2p-GO and
STA/P2P-client should use this event to indicate that port has
been authorized and open for regular data traffic, sending
this event on completion of successful 4-way handshake.
Signed-off-by: Vinayak Yadawad <vinayak.yadawad@broadcom.com>
Link: https://lore.kernel.org/r/f746b59f41436e9df29c24688035fbc6eb91ab06.1699510229.git.vinayak.yadawad@broadcom.com
[rewrite it all to not use the term 'GC' that we don't use
in place of P2P-client]
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
- Avoid powering up GPUs while attempting to fix up power for their
children (Hans de Goede).
- Use raw_safe_halt() instead of safe_halt() in acpi_idle_play_dead()
so as to avoid triple-falts during CPU online in Xen HVM guests due
to the setting of the hardirqs_enabled flag in safe_halt() (David
Woodhouse).
- Add an ACPI IRQ override quirk for ASUS ExpertBook B1402CVA (Hans
de Goede).
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Merge tag 'acpi-6.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These add an ACPI IRQ override quirk for ASUS ExpertBook B1402CVA and
fix an ACPI processor idle issue leading to triple-faults in Xen HVM
guests and an ACPI backlight driver issue that causes GPUs to
misbehave while their children power is being fixed up.
Specifics:
- Avoid powering up GPUs while attempting to fix up power for their
children (Hans de Goede)
- Use raw_safe_halt() instead of safe_halt() in acpi_idle_play_dead()
so as to avoid triple-falts during CPU online in Xen HVM guests due
to the setting of the hardirqs_enabled flag in safe_halt() (David
Woodhouse)
- Add an ACPI IRQ override quirk for ASUS ExpertBook B1402CVA (Hans
de Goede)"
* tag 'acpi-6.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: resource: Skip IRQ override on ASUS ExpertBook B1402CVA
ACPI: video: Use acpi_device_fix_up_power_children()
ACPI: PM: Add acpi_device_fix_up_power_children() function
ACPI: processor_idle: use raw_safe_halt() in acpi_idle_play_dead()
Fix a syntax error in the sleepgraph utility which causes it to
exit early on every invocation (David Woodhouse).
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Merge tag 'pm-6.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management fix from Rafael Wysocki:
"Fix a syntax error in the sleepgraph utility which causes it to exit
early on every invocation (David Woodhouse)"
* tag 'pm-6.7-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
PM: tools: Fix sleepgraph syntax error
- If the scan request includes a link ID, validate that it is
one of the active links. Otherwise, if the scan request doesn't
include a valid link ID, select one of the active links.
- When reporting the TSF for a BSS entry, use the link ID information
from the Rx status or the scan request to set the parent BSSID.
Signed-off-by: Ilan Peer <ilan.peer@intel.com>
Signed-off-by: Gregory Greenman <gregory.greenman@intel.com>
Link: https://lore.kernel.org/r/20231113112844.68564692c404.Iae9605cbb7f9d52e00ce98260b3559a34cf18341@changeid
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
