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Merge tag 'nf-24-07-17' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf
Pablo Neira Ayuso says:
====================
Netfilter/IPVS fixes for net
The following patchset contains Netfilter/IPVS fixes for net:
1) Call nf_expect_get_id() to delete expectation by ID. By trial and
error it is possible to leak the LSB of the expectation address on
x86_64. This bug is a leftover when converting the existing code
to use nf_expect_get_id().
2) Incorrect initialization in pipapo set backend leads to packet
mismatches. From Florian Westphal.
3) Extend netfilter's selftests to cover for the pipapo set backend,
also from Florian.
4) Fix sparse warning in IPVS when adding service, from Chen Hanxiao.
netfilter pull request 24-07-17
* tag 'nf-24-07-17' of git://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf:
ipvs: properly dereference pe in ip_vs_add_service
selftests: netfilter: add test case for recent mismatch bug
netfilter: nf_set_pipapo: fix initial map fill
netfilter: ctnetlink: use helper function to calculate expect ID
====================
Link: https://patch.msgid.link/20240717215214.225394-1-pablo@netfilter.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Martin Willi says:
====================
net: dsa: Fix chip-wide frame size config in some drivers
Some DSA chips support a chip-wide frame size configurations, only. Some
drivers adjust that chip-wide setting for user port changes, overriding
the frame size requirements on the CPU port that includes tagger overhead.
Fix the mv88e6xxx and b53 drivers and align them to the behavior of other
drivers.
v2:
- Skip chip-wide config for non-CPU ports instead of finding the maximim
MTU over all ports
- Add a patch fixing the b53 driver as well
v1: https://lore.kernel.org/netdev/20240716120808.396514-1-martin@strongswan.org/
====================
Link: https://patch.msgid.link/20240717090820.894234-1-martin@strongswan.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Broadcom switches supported by the b53 driver use a chip-wide jumbo frame
configuration. In the commit referenced with the Fixes tag, the setting
is applied just for the last port changing its MTU.
While configuring CPU ports accounts for tagger overhead, user ports do
not. When setting the MTU for a user port, the chip-wide setting is
reduced to not include the tagger overhead, resulting in an potentially
insufficient chip-wide maximum frame size for the CPU port.
As, by design, the CPU port MTU is adjusted for any user port change,
apply the chip-wide setting only for CPU ports. This aligns the driver
to the behavior of other switch drivers.
Fixes: 6ae5834b983a ("net: dsa: b53: add MTU configuration support")
Suggested-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: Martin Willi <martin@strongswan.org>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Marvell chips not supporting per-port jumbo frame size configurations use
a chip-wide frame size configuration. In the commit referenced with the
Fixes tag, the setting is applied just for the last port changing its MTU.
While configuring CPU ports accounts for tagger overhead, user ports do
not. When setting the MTU for a user port, the chip-wide setting is
reduced to not include the tagger overhead, resulting in an potentially
insufficient maximum frame size for the CPU port. Specifically, sending
full-size frames from the CPU port on a MV88E6097 having a user port MTU
of 1500 bytes results in dropped frames.
As, by design, the CPU port MTU is adjusted for any user port change,
apply the chip-wide setting only for CPU ports.
Fixes: 1baf0fac10fb ("net: dsa: mv88e6xxx: Use chip-wide max frame size for MTU")
Suggested-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: Martin Willi <martin@strongswan.org>
Reviewed-by: Vladimir Oltean <olteanv@gmail.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Move page_pool_get_dma_dir() inside the while loop of
airoha_qdma_cleanup_rx_queue routine in order to avoid possible NULL
pointer dereference if airoha_qdma_init_rx_queue() fails before
properly allocating the page_pool pointer.
Fixes: 23020f049327 ("net: airoha: Introduce ethernet support for EN7581 SoC")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/7330a41bba720c33abc039955f6172457a3a34f0.1721205981.git.lorenzo@kernel.org
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Ido Schimmel says:
====================
ipv4: Fix incorrect TOS in route get reply
Two small fixes for incorrect TOS in route get reply. See more details
in the commit messages.
No regressions in FIB tests:
# ./fib_tests.sh
[...]
Tests passed: 218
Tests failed: 0
====================
Link: https://patch.msgid.link/20240715142354.3697987-1-idosch@nvidia.com
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
The TOS value that is returned to user space in the route get reply is
the one with which the lookup was performed ('fl4->flowi4_tos'). This is
fine when the matched route is configured with a TOS as it would not
match if its TOS value did not match the one with which the lookup was
performed.
However, matching on TOS is only performed when the route's TOS is not
zero. It is therefore possible to have the kernel incorrectly return a
non-zero TOS:
# ip link add name dummy1 up type dummy
# ip address add 192.0.2.1/24 dev dummy1
# ip route get fibmatch 192.0.2.2 tos 0xfc
192.0.2.0/24 tos 0x1c dev dummy1 proto kernel scope link src 192.0.2.1
Fix by instead returning the DSCP field from the FIB result structure
which was populated during the route lookup.
Output after the patch:
# ip link add name dummy1 up type dummy
# ip address add 192.0.2.1/24 dev dummy1
# ip route get fibmatch 192.0.2.2 tos 0xfc
192.0.2.0/24 dev dummy1 proto kernel scope link src 192.0.2.1
Extend the existing selftests to not only verify that the correct route
is returned, but that it is also returned with correct "tos" value (or
without it).
Fixes: b61798130f1b ("net: ipv4: RTM_GETROUTE: return matched fib result when requested")
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
The TOS value that is returned to user space in the route get reply is
the one with which the lookup was performed ('fl4->flowi4_tos'). This is
fine when the matched route is configured with a TOS as it would not
match if its TOS value did not match the one with which the lookup was
performed.
However, matching on TOS is only performed when the route's TOS is not
zero. It is therefore possible to have the kernel incorrectly return a
non-zero TOS:
# ip link add name dummy1 up type dummy
# ip address add 192.0.2.1/24 dev dummy1
# ip route get 192.0.2.2 tos 0xfc
192.0.2.2 tos 0x1c dev dummy1 src 192.0.2.1 uid 0
cache
Fix by adding a DSCP field to the FIB result structure (inside an
existing 4 bytes hole), populating it in the route lookup and using it
when filling the route get reply.
Output after the patch:
# ip link add name dummy1 up type dummy
# ip address add 192.0.2.1/24 dev dummy1
# ip route get 192.0.2.2 tos 0xfc
192.0.2.2 dev dummy1 src 192.0.2.1 uid 0
cache
Fixes: 1a00fee4ffb2 ("ipv4: Remove rt_key_{src,dst,tos} from struct rtable.")
Signed-off-by: Ido Schimmel <idosch@nvidia.com>
Reviewed-by: David Ahern <dsahern@kernel.org>
Reviewed-by: Guillaume Nault <gnault@redhat.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Upon adding CONFIG_ARCH_THUNDER & CONFIG_COMPILE_TEST dependency,
compilation errors arise on 32-bit ARM with writeq() & readq() calls
which are used for accessing 64-bit values.
Since DPI hardware only works with 64-bit register accesses, using
CONFIG_64BIT dependency to skip compilation on 32-bit systems.
Fixes: a5e43e2d202d ("misc: Kconfig: add a new dependency for MARVELL_CN10K_DPI")
Signed-off-by: Vamsi Attunuru <vattunuru@marvell.com>
Tested-by: Nathan Chancellor <nathan@kernel.org>
Tested-by: Jeff Johnson <quic_jjohnson@quicinc.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20240717163739.181236-1-vattunuru@marvell.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* Fix some typos, incomplete or confusing phrases.
* Split paragraphs where appropriate.
* List the same error code multiple times,
if it has multiple possible causes.
* Bring wording closer to the man page wording,
which has undergone more thorough review
(esp. for LANDLOCK_ACCESS_FS_WRITE_FILE).
* Small semantic clarifications
* Call the ephemeral port range "ephemeral"
* Clarify reasons for EFAULT in landlock_add_rule()
* Clarify @rule_type doc for landlock_add_rule()
This is a collection of small fixes which I collected when preparing the
corresponding man pages [1].
Cc: Alejandro Colomar <alx@kernel.org>
Cc: Konstantin Meskhidze <konstantin.meskhidze@huawei.com>
Link: https://lore.kernel.org/r/20240715155554.2791018-1-gnoack@google.com [1]
Signed-off-by: Günther Noack <gnoack@google.com>
Link: https://lore.kernel.org/r/20240715160328.2792835-2-gnoack@google.com
[mic: Add label to link, fix formatting spotted by make htmldocs,
synchronize userspace-api documentation's date]
Signed-off-by: Mickaël Salaün <mic@digikod.net>
Fix the documentation of the below field of struct auxiliary_device
include/linux/auxiliary_bus.h:150: warning: Function parameter or struct member 'sysfs' not described in 'auxiliary_device'
include/linux/auxiliary_bus.h:150: warning: Excess struct member 'irqs' description in 'auxiliary_device'
include/linux/auxiliary_bus.h:150: warning: Excess struct member 'lock' description in 'auxiliary_device'
include/linux/auxiliary_bus.h:150: warning: Excess struct member 'irq_dir_exists' description in 'auxiliary_device'
Fixes: a808878308a8 ("driver core: auxiliary bus: show auxiliary device IRQs")
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Shay Drory <shayd@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Link: https://patch.msgid.link/20240717172916.595808-1-saeed@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Fix error case management in airoha_dev_xmit routine since we need to
DMA unmap pending buffers starting from q->head.
Moreover fix a typo in error case branch in airoha_set_gdm_ports
routine.
Fixes: 23020f049327 ("net: airoha: Introduce ethernet support for EN7581 SoC")
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/b628871bc8ae4861b5e2ab4db90aaf373cbb7cee.1721203880.git.lorenzo@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
In gve_clean_xdp_done, the driver processes the TX completions based on
a 32-bit NIC counter and a 32-bit completion counter stored in the tx
queue.
Fix the for loop so that the counter wraparound is handled correctly.
Fixes: 75eaae158b1b ("gve: Add XDP DROP and TX support for GQI-QPL format")
Signed-off-by: Joshua Washington <joshwash@google.com>
Signed-off-by: Praveen Kaligineedi <pkaligineedi@google.com>
Reviewed-by: Simon Horman <horms@kernel.org>
Link: https://patch.msgid.link/20240716171041.1561142-1-pkaligineedi@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
For systems on which the performance counter can expire early due to turbo
modes the watchdog handler has a safety net in place which validates that
since the last watchdog event there has at least 4/5th of the watchdog
period elapsed.
This works reliably only after the first watchdog event because the per
CPU variable which holds the timestamp of the last event is never
initialized.
So a first spurious event will validate against a timestamp of 0 which
results in a delta which is likely to be way over the 4/5 threshold of the
period. As this might happen before the first watchdog hrtimer event
increments the watchdog counter, this can lead to false positives.
Fix this by initializing the timestamp before enabling the hardware event.
Reset the rearm counter as well, as that might be non zero after the
watchdog was disabled and reenabled.
Link: https://lkml.kernel.org/r/87frsfu15a.ffs@tglx
Fixes: 7edaeb6841df ("kernel/watchdog: Prevent false positives with turbo modes")
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
mem_cgroup_calculate_protection() is not stateless and should only be used
as part of a top-down tree traversal. shrink_one() traverses the per-node
memcg LRU instead of the root_mem_cgroup tree, and therefore it should not
call mem_cgroup_calculate_protection().
The existing misuse in shrink_one() can cause ineffective protection of
sub-trees that are grandchildren of root_mem_cgroup. Fix it by reusing
lru_gen_age_node(), which already traverses the root_mem_cgroup tree, to
calculate the protection.
Previously lru_gen_age_node() opportunistically skips the first pass,
i.e., when scan_control->priority is DEF_PRIORITY. On the second pass,
lruvec_is_sizable() uses appropriate scan_control->priority, set by
set_initial_priority() from lru_gen_shrink_node(), to decide whether a
memcg is too small to reclaim from.
Now lru_gen_age_node() unconditionally traverses the root_mem_cgroup tree.
So it should call set_initial_priority() upfront, to make sure
lruvec_is_sizable() uses appropriate scan_control->priority on the first
pass. Otherwise, lruvec_is_reclaimable() can return false negatives and
result in premature OOM kills when min_ttl_ms is used.
Link: https://lkml.kernel.org/r/20240712232956.1427127-1-yuzhao@google.com
Fixes: e4dde56cd208 ("mm: multi-gen LRU: per-node lru_gen_folio lists")
Signed-off-by: Yu Zhao <yuzhao@google.com>
Reported-by: T.J. Mercier <tjmercier@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
We accidentally deleted a tab in commit f84152e9efc5 ("mm/zswap: use only
one pool in zswap"). Add it back.
Link: https://lkml.kernel.org/r/c15066a0-f061-42c9-b0f5-d60281d3d5d8@stanley.mountain
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Chengming Zhou <chengming.zhou@linux.dev>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
When tries to demote 1G hugetlb folios, a lockdep warning is observed:
============================================
WARNING: possible recursive locking detected
6.10.0-rc6-00452-ga4d0275fa660-dirty #79 Not tainted
--------------------------------------------
bash/710 is trying to acquire lock:
ffffffff8f0a7850 (&h->resize_lock){+.+.}-{3:3}, at: demote_store+0x244/0x460
but task is already holding lock:
ffffffff8f0a6f48 (&h->resize_lock){+.+.}-{3:3}, at: demote_store+0xae/0x460
other info that might help us debug this:
Possible unsafe locking scenario:
CPU0
----
lock(&h->resize_lock);
lock(&h->resize_lock);
*** DEADLOCK ***
May be due to missing lock nesting notation
4 locks held by bash/710:
#0: ffff8f118439c3f0 (sb_writers#5){.+.+}-{0:0}, at: ksys_write+0x64/0xe0
#1: ffff8f11893b9e88 (&of->mutex#2){+.+.}-{3:3}, at: kernfs_fop_write_iter+0xf8/0x1d0
#2: ffff8f1183dc4428 (kn->active#98){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x100/0x1d0
#3: ffffffff8f0a6f48 (&h->resize_lock){+.+.}-{3:3}, at: demote_store+0xae/0x460
stack backtrace:
CPU: 3 PID: 710 Comm: bash Not tainted 6.10.0-rc6-00452-ga4d0275fa660-dirty #79
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014
Call Trace:
<TASK>
dump_stack_lvl+0x68/0xa0
__lock_acquire+0x10f2/0x1ca0
lock_acquire+0xbe/0x2d0
__mutex_lock+0x6d/0x400
demote_store+0x244/0x460
kernfs_fop_write_iter+0x12c/0x1d0
vfs_write+0x380/0x540
ksys_write+0x64/0xe0
do_syscall_64+0xb9/0x1d0
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fa61db14887
RSP: 002b:00007ffc56c48358 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa61db14887
RDX: 0000000000000002 RSI: 000055a030050220 RDI: 0000000000000001
RBP: 000055a030050220 R08: 00007fa61dbd1460 R09: 000000007fffffff
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000002
R13: 00007fa61dc1b780 R14: 00007fa61dc17600 R15: 00007fa61dc16a00
</TASK>
Lockdep considers this an AA deadlock because the different resize_lock
mutexes reside in the same lockdep class, but this is a false positive.
Place them in distinct classes to avoid these warnings.
Link: https://lkml.kernel.org/r/20240712031314.2570452-1-linmiaohe@huawei.com
Fixes: 8531fc6f52f5 ("hugetlb: add hugetlb demote page support")
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Acked-by: Muchun Song <muchun.song@linux.dev>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
If a large number of CMA memory are configured in system (for example,
the CMA memory accounts for 50% of the system memory), starting a
virtual virtual machine with device passthrough, it will call
pin_user_pages_remote(..., FOLL_LONGTERM, ...) to pin memory. Normally
if a page is present and in CMA area, pin_user_pages_remote() will
migrate the page from CMA area to non-CMA area because of FOLL_LONGTERM
flag. But the current code will cause the migration failure due to
unexpected page refcounts, and eventually cause the virtual machine
fail to start.
If a page is added in LRU batch, its refcount increases one, remove the
page from LRU batch decreases one. Page migration requires the page is
not referenced by others except page mapping. Before migrating a page,
we should try to drain the page from LRU batch in case the page is in
it, however, folio_test_lru() is not sufficient to tell whether the
page is in LRU batch or not, if the page is in LRU batch, the migration
will fail.
To solve the problem above, we modify the logic of adding to LRU batch.
Before adding a page to LRU batch, we clear the LRU flag of the page
so that we can check whether the page is in LRU batch by
folio_test_lru(page). It's quite valuable, because likely we don't
want to blindly drain the LRU batch simply because there is some
unexpected reference on a page, as described above.
This change makes the LRU flag of a page invisible for longer, which
may impact some programs. For example, as long as a page is on a LRU
batch, we cannot isolate it, and we cannot check if it's an LRU page.
Further, a page can now only be on exactly one LRU batch. This doesn't
seem to matter much, because a new page is allocated from buddy and
added to the lru batch, or be isolated, it's LRU flag may also be
invisible for a long time.
Link: https://lkml.kernel.org/r/1720075944-27201-1-git-send-email-yangge1116@126.com
Link: https://lkml.kernel.org/r/1720008153-16035-1-git-send-email-yangge1116@126.com
Fixes: 9a4e9f3b2d73 ("mm: update get_user_pages_longterm to migrate pages allocated from CMA region")
Signed-off-by: yangge <yangge1116@126.com>
Cc: Aneesh Kumar K.V <aneesh.kumar@linux.ibm.com>
Cc: Baolin Wang <baolin.wang@linux.alibaba.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Barry Song <21cnbao@gmail.com>
Cc: Hugh Dickins <hughd@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Since balancing mode was added in bda420b98505 ("numa balancing: migrate
on fault among multiple bound nodes"), it was possible to set this mode
but it wouldn't be shown in /proc/<pid>/numa_maps since there was no
support for it in the mpol_to_str() helper.
Furthermore, because the balancing mode sets the MPOL_F_MORON flag, it
would be displayed as 'default' due a workaround introduced a few years
earlier in 8790c71a18e5 ("mm/mempolicy.c: fix mempolicy printing in
numa_maps").
To tidy this up we implement two changes:
Replace the MPOL_F_MORON check by pointer comparison against the
preferred_node_policy array. By doing this we generalise the current
special casing and replace the incorrect 'default' with the correct 'bind'
for the mode.
Secondly, we add a string representation and corresponding handling for
the MPOL_F_NUMA_BALANCING flag.
With the two changes together we start showing the balancing flag when it
is set and therefore complete the fix.
Representation format chosen is to separate multiple flags with vertical
bars, following what existed long time ago in kernel 2.6.25. But as
between then and now there wasn't a way to display multiple flags, this
patch does not change the format in practice.
Some /proc/<pid>/numa_maps output examples:
555559580000 bind=balancing:0-1,3 file=...
555585800000 bind=balancing|static:0,2 file=...
555635240000 prefer=relative:0 file=
Link: https://lkml.kernel.org/r/20240708075632.95857-1-tursulin@igalia.com
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@igalia.com>
Fixes: bda420b98505 ("numa balancing: migrate on fault among multiple bound nodes")
References: 8790c71a18e5 ("mm/mempolicy.c: fix mempolicy printing in numa_maps")
Reviewed-by: "Huang, Ying" <ying.huang@intel.com>
Cc: Mel Gorman <mgorman@suse.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Rik van Riel <riel@surriel.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>
Cc: "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Michal Hocko <mhocko@suse.com>
Cc: David Rientjes <rientjes@google.com>
Cc: <stable@vger.kernel.org> [5.12+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Currently MOVE_ANON and MOVE_FILE flags are defined as integers
and it leads to the following Smatch static checker warning:
mm/memcontrol-v1.c:609 mem_cgroup_move_charge_write()
warn: was expecting a 64 bit value instead of '~(1 | 2)'
Fix this be redefining them as unsigned long long.
Even though the issue allows to set high 32 bits of mc.flags
to an arbitrary number, these bits are never used, so it doesn't
have any significant consequences.
Link: https://lkml.kernel.org/r/ZpF8Q9zBsIY7d2P9@google.com
Signed-off-by: Roman Gushchin <roman.gushchin@linux.dev>
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
pgalloc_tag_sub() might call page_ext_put() using a page different from
the one used in page_ext_get() call. This does not pose an issue since
page_ext_put() ignores this parameter as long as it's non-NULL but
technically this is wrong. Fix it by storing the original page used in
page_ext_get() and passing it to page_ext_put().
Link: https://lkml.kernel.org/r/20240711220457.1751071-3-surenb@google.com
Fixes: be25d1d4e822 ("mm: create new codetag references during page splitting")
Signed-off-by: Suren Baghdasaryan <surenb@google.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Kent Overstreet <kent.overstreet@linux.dev>
Cc: Pasha Tatashin <pasha.tatashin@soleen.com>
Cc: Sourav Panda <souravpanda@google.com>
Cc: Vlastimil Babka <vbabka@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
set_initial_priority() tries to jump-start global reclaim by estimating
the priority based on cold/hot LRU pages. The estimation does not account
for shrinker objects, and it cannot do so because their sizes can be in
different units other than page.
If shrinker objects are the majority, e.g., on TrueNAS SCALE 24.04.0 where
ZFS ARC can use almost all system memory, set_initial_priority() can
vastly underestimate how much memory ARC shrinker can evict and assign
extreme low values to scan_control->priority, resulting in overshoots of
shrinker objects.
To reproduce the problem, using TrueNAS SCALE 24.04.0 with 32GB DRAM, a
test ZFS pool and the following commands:
fio --name=mglru.file --numjobs=36 --ioengine=io_uring \
--directory=/root/test-zfs-pool/ --size=1024m --buffered=1 \
--rw=randread --random_distribution=random \
--time_based --runtime=1h &
for ((i = 0; i < 20; i++))
do
sleep 120
fio --name=mglru.anon --numjobs=16 --ioengine=mmap \
--filename=/dev/zero --size=1024m --fadvise_hint=0 \
--rw=randrw --random_distribution=random \
--time_based --runtime=1m
done
To fix the problem:
1. Cap scan_control->priority at or above DEF_PRIORITY/2, to prevent
the jump-start from being overly aggressive.
2. Account for the progress from mm_account_reclaimed_pages(), to
prevent kswapd_shrink_node() from raising the priority
unnecessarily.
Link: https://lkml.kernel.org/r/20240711191957.939105-2-yuzhao@google.com
Fixes: e4dde56cd208 ("mm: multi-gen LRU: per-node lru_gen_folio lists")
Signed-off-by: Yu Zhao <yuzhao@google.com>
Reported-by: Alexander Motin <mav@ixsystems.com>
Cc: Wei Xu <weixugc@google.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
evict_folios() uses a second pass to reclaim folios that have gone through
page writeback and become clean before it finishes the first pass, since
folio_rotate_reclaimable() cannot handle those folios due to the
isolation.
The second pass tries to avoid potential double counting by deducting
scan_control->nr_scanned. However, this can result in underflow of
nr_scanned, under a condition where shrink_folio_list() does not increment
nr_scanned, i.e., when folio_trylock() fails.
The underflow can cause the divisor, i.e., scale=scanned+reclaimed in
vmpressure_calc_level(), to become zero, resulting in the following crash:
[exception RIP: vmpressure_work_fn+101]
process_one_work at ffffffffa3313f2b
Since scan_control->nr_scanned has no established semantics, the potential
double counting has minimal risks. Therefore, fix the problem by not
deducting scan_control->nr_scanned in evict_folios().
Link: https://lkml.kernel.org/r/20240711191957.939105-1-yuzhao@google.com
Fixes: 359a5e1416ca ("mm: multi-gen LRU: retry folios written back while isolated")
Reported-by: Wei Xu <weixugc@google.com>
Signed-off-by: Yu Zhao <yuzhao@google.com>
Cc: Alexander Motin <mav@ixsystems.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
This mostly reverts commit af3b854492f3 ("mm/page_alloc.c: allow error
injection"). The commit made should_fail_alloc_page() a noinline function
that's always called from the page allocation hotpath, even if it's empty
because CONFIG_FAIL_PAGE_ALLOC is not enabled, and there is no option to
disable it and prevent the associated function call overhead.
As with the preceding patch "mm, slab: put should_failslab back behind
CONFIG_SHOULD_FAILSLAB" and for the same reasons, put the
should_fail_alloc_page() back behind the config option. When enabled, the
ALLOW_ERROR_INJECTION and BTF_ID records are preserved so it's not a
complete revert.
Link: https://lkml.kernel.org/r/20240711-b4-fault-injection-reverts-v1-2-9e2651945d68@suse.cz
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Andrii Nakryiko <andrii@kernel.org>
Cc: Christoph Lameter <cl@linux.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: David Rientjes <rientjes@google.com>
Cc: Eduard Zingerman <eddyz87@gmail.com>
Cc: Hao Luo <haoluo@google.com>
Cc: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Fastabend <john.fastabend@gmail.com>
Cc: KP Singh <kpsingh@kernel.org>
Cc: Martin KaFai Lau <martin.lau@linux.dev>
Cc: Mateusz Guzik <mjguzik@gmail.com>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Song Liu <song@kernel.org>
Cc: Stanislav Fomichev <sdf@fomichev.me>
Cc: Yonghong Song <yonghong.song@linux.dev>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Patch series "revert unconditional slab and page allocator fault injection
calls".
These two patches largely revert commits that added function call overhead
into slab and page allocation hotpaths and that cannot be currently
disabled even though related CONFIG_ options do exist.
A much more involved solution that can keep the callsites always existing
but hidden behind a static key if unused, is possible [1] and can be
pursued by anyone who believes it's necessary. Meanwhile the fact the
should_failslab() error injection is already not functional on kernels
built with current gcc without anyone noticing [2], and lukewarm response
to [1] suggests the need is not there. I believe it will be more fair to
have the state after this series as a baseline for possible further
optimisation, instead of the unconditional overhead.
For example a possible compromise for anyone who's fine with an empty
function call overhead but not the full CONFIG_FAILSLAB /
CONFIG_FAIL_PAGE_ALLOC overhead is to reuse patch 1 from [1] but insert a
static key check only inside should_failslab() and
should_fail_alloc_page() before performing the more expensive checks.
[1] https://lore.kernel.org/all/20240620-fault-injection-statickeys-v2-0-e23947d3d84b@suse.cz/#t
[2] https://github.com/bpftrace/bpftrace/issues/3258
This patch (of 2):
This mostly reverts commit 4f6923fbb352 ("mm: make should_failslab always
available for fault injection"). The commit made should_failslab() a
noinline function that's always called from the slab allocation hotpath,
even if it's empty because CONFIG_SHOULD_FAILSLAB is not enabled, and
there is no option to disable that call. This is visible in profiles and
the function call overhead can be noticeable especially with cpu
mitigations.
Meanwhile the bpftrace program example in the commit silently does not
work without CONFIG_SHOULD_FAILSLAB anyway with a recent gcc, because the
empty function gets a .constprop clone that is actually being called
(uselessly) from the slab hotpath, while the error injection is hooked to
the original function that's not being called at all [1].
Thus put the whole should_failslab() function back behind
CONFIG_SHOULD_FAILSLAB. It's not a complete revert of 4f6923fbb352 - the
int return type that returns -ENOMEM on failure is preserved, as well
ALLOW_ERROR_INJECTION annotation. The BTF_ID() record that was meanwhile
added is also guarded by CONFIG_SHOULD_FAILSLAB.
[1] https://github.com/bpftrace/bpftrace/issues/3258
Link: https://lkml.kernel.org/r/20240711-b4-fault-injection-reverts-v1-0-9e2651945d68@suse.cz
Link: https://lkml.kernel.org/r/20240711-b4-fault-injection-reverts-v1-1-9e2651945d68@suse.cz
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Cc: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Andrii Nakryiko <andrii@kernel.org>
Cc: Christoph Lameter <cl@linux.com>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Cc: David Rientjes <rientjes@google.com>
Cc: Eduard Zingerman <eddyz87@gmail.com>
Cc: Hao Luo <haoluo@google.com>
Cc: Hyeonggon Yoo <42.hyeyoo@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: John Fastabend <john.fastabend@gmail.com>
Cc: KP Singh <kpsingh@kernel.org>
Cc: Martin KaFai Lau <martin.lau@linux.dev>
Cc: Mateusz Guzik <mjguzik@gmail.com>
Cc: Roman Gushchin <roman.gushchin@linux.dev>
Cc: Song Liu <song@kernel.org>
Cc: Stanislav Fomichev <sdf@fomichev.me>
Cc: Yonghong Song <yonghong.song@linux.dev>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Syzbot reported a possible data race:
BUG: KCSAN: data-race in __swap_writepage / scan_swap_map_slots
read-write to 0xffff888102fca610 of 8 bytes by task 7106 on cpu 1.
read to 0xffff888102fca610 of 8 bytes by task 7080 on cpu 0.
While we are in __swap_writepage to read sis->flags, scan_swap_map_slots
is trying to update it with SWP_SCANNING.
value changed: 0x0000000000008083 -> 0x0000000000004083.
While this can be updated non-atomicially, this won't affect
SWP_SYNCHRONOUS_IO, so we consider this data-race safe.
This is possibly introduced by commit 3222d8c2a7f8 ("block: remove
->rw_page"), where this if branch is introduced.
Link: https://lkml.kernel.org/r/20240711-bug13-v1-1-cea2b8ae8d76@gmail.com
Fixes: 3222d8c2a7f8 ("block: remove ->rw_page")
Signed-off-by: Pei Li <peili.dev@gmail.com>
Reported-by: syzbot+da25887cc13da6bf3b8c@syzkaller.appspotmail.com
Closes: https://syzkaller.appspot.com/bug?extid=da25887cc13da6bf3b8c
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
generic_hugetlb_get_unmapped_area() was returning an address less than
mmap_min_addr if the mmap argument addr, after alignment, was less than
mmap_min_addr, causing mmap to fail.
This is because current generic_hugetlb_get_unmapped_area() code does not
take into account mmap_min_addr.
This patch ensures that generic_hugetlb_get_unmapped_area() always returns
an address that is greater than mmap_min_addr. Additionally, similar to
generic_get_unmapped_area(), vm_end_gap() checks are included to maintain
stack gap.
How to reproduce
================
#include <stdio.h>
#include <stdlib.h>
#include <sys/mman.h>
#include <unistd.h>
#define HUGEPAGE_SIZE (16 * 1024 * 1024)
int main() {
void *addr = mmap((void *)-1, HUGEPAGE_SIZE,
PROT_READ | PROT_WRITE,
MAP_SHARED | MAP_ANONYMOUS | MAP_HUGETLB, -1, 0);
if (addr == MAP_FAILED) {
perror("mmap");
exit(EXIT_FAILURE);
}
snprintf((char *)addr, HUGEPAGE_SIZE, "Hello, Huge Pages!");
printf("%s\n", (char *)addr);
if (munmap(addr, HUGEPAGE_SIZE) == -1) {
perror("munmap");
exit(EXIT_FAILURE);
}
return 0;
}
Result without fix
==================
# cat /proc/meminfo |grep -i HugePages_Free
HugePages_Free: 20
# ./test
mmap: Permission denied
#
Result with fix
===============
# cat /proc/meminfo |grep -i HugePages_Free
HugePages_Free: 20
# ./test
Hello, Huge Pages!
#
Link: https://lkml.kernel.org/r/20240710051912.4681-1-donettom@linux.ibm.com
Signed-off-by: Donet Tom <donettom@linux.ibm.com>
Reported-by Pavithra Prakash <pavrampu@linux.vnet.ibm.com>
Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Aneesh Kumar K.V <aneesh.kumar@kernel.org>
Cc: David Hildenbrand <david@redhat.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Mike Rapoport (IBM) <rppt@kernel.org>
Cc: Muchun Song <muchun.song@linux.dev>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Ritesh Harjani (IBM) <ritesh.list@gmail.com>
Cc: Tony Battersby <tonyb@cybernetics.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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Merge tag 'media/v6.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- New sensor drivers: gc05a2, gc08a3 and imx283
- New serializer/deserializer drivers: max96714 and max96717
- New JPEG encoder driver: e5010
- Support for Raspberry Pi PiSP Backend (BE) ISP driver
- Old documentation for av7110 driver removed, as a new version was
added as Documentation/userspace-api/media/dvb/legacy*.rst
- atompisp: Linux firmwares are now available, so drop firmware-related
task from TODO and update firmware logic
- The imx258 driver has gained several improvements
- wave5 driver has gained support for HEVC decoding
- em28xx gained support for MyGica UTV3
- av7110 budget-patch driver removed
- Lots of other cleanups, improvements and fixes
* tag 'media/v6.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (301 commits)
media: raspberrypi: Switch to remove_new
media: uapi: pisp_be_config: Add extra config fields
media: uapi: pisp_be_config: Re-sort pisp_be_tiles_config
media: uapi: pisp_common: Capitalize all macros
media: uapi: pisp_common: Add 32 bpp format test
media: uapi: pisp_be_config: Drop BIT() from uAPI
media: stm32: dcmipp: correct error handling in dcmipp_create_subdevs
media: atomisp: Fix spelling mistakes in sh_css_sp.c
media: atomisp: Fix spelling mistake in ia_css_debug.c
media: atomisp: Fix spelling mistake in hmm_bo.c
media: atomisp: Fix spelling mistake in ia_css_eed1_8.host.c
media: atomisp: Fix spelling mistake in sh_css_internal.h
media: atomisp: Fix spelling mistake "pipline" -> "pipeline"
media: atomisp: Remove unused GPIO related defines and APIs
media: atomisp: Replace COMPILATION_ERROR_IF() by static_assert()
media: atomisp: Clean up unused macros from math_support.h
media: atomisp: csi2-bridge: Add DMI quirk for OV5693 on Xiaomi Mipad2
media: atomisp: Update TODO
media: atomisp: Prefix firmware paths with "intel/ipu/"
media: atomisp: Remove firmware_name module parameter
...
DT Bindings:
- Convert and add a bunch of IBM FSI related bindings
- Add a new schema listing legacy compatibles which will (probably)
never be documented. This will silence various checks warning about
them.
- Add bindings for Sierra Wireless mangOH Green SPI IoT interface, new
Arm 2024 Cortex and Neoverse CPUs, QCom sc8180x PDC, QCom SDX75 GPI
DMA, imx8mp/imx8qxp fsl,irqsteer, and Renesas RZ/G2UL CRU and CSI-2
blocks
- Convert Spreadtrum sprd-timer, FSL cpm_qe, FSL fsl,ls-scfg-msi, FSL
q(b)man-*, FSL qoriq-mc, and img,pdc-wdt bindings to DT schema
- Drop obsolete stericsson,abx500.txt
DT core:
- Update dtc to upstream version v1.7.0-93-g1df7b047fe43
- Add support to run DT validation on DTs with applied overlays
- Add helper for creating boolean properties in dynamic nodes and use
that for dynamic PCI nodes
- Clean-up early parsing of '#{address,size}-cells'
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Merge tag 'devicetree-for-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux
Pull devicetree updates from Rob Herring:
"DT Bindings:
- Convert and add a bunch of IBM FSI related bindings
- Add a new schema listing legacy compatibles which will (probably)
never be documented. This will silence various checks warning about
them.
- Add bindings for Sierra Wireless mangOH Green SPI IoT interface,
new Arm 2024 Cortex and Neoverse CPUs, QCom sc8180x PDC, QCom SDX75
GPI DMA, imx8mp/imx8qxp fsl,irqsteer, and Renesas RZ/G2UL CRU and
CSI-2 blocks
- Convert Spreadtrum sprd-timer, FSL cpm_qe, FSL fsl,ls-scfg-msi, FSL
q(b)man-*, FSL qoriq-mc, and img,pdc-wdt bindings to DT schema
- Drop obsolete stericsson,abx500.txt
DT core:
- Update dtc to upstream version v1.7.0-93-g1df7b047fe43
- Add support to run DT validation on DTs with applied overlays
- Add helper for creating boolean properties in dynamic nodes and use
that for dynamic PCI nodes
- Clean-up early parsing of '#{address,size}-cells'"
* tag 'devicetree-for-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/robh/linux: (39 commits)
dt-bindings: timer: sprd-timer: convert to YAML
dt-bindings: incomplete-devices: document devices without bindings
dt-bindings: trivial-devices: document the Sierra Wireless mangOH Green SPI IoT interface
scripts/dtc: Update to upstream version v1.7.0-93-g1df7b047fe43
dt-bindings: soc: fsl: Add fsl,ls1028a-reset for reset syscon node
dt-bindings: soc: fsl: cpm_qe: convert to yaml format
dt-bindings: i2c: i2c-fsi: Convert to json-schema
dt-bindings: fsi: Document the FSI Hub Controller
dt-bindings: fsi: Document the AST2700 FSI controller
dt-bindings: fsi: ast2600-fsi-master: Convert to json-schema
dt-bindings: fsi: ibm,i2cr-fsi-master: Reference common FSI controller
dt-bindings: fsi: Document the FSI controller common properties
dt-bindings: fsi: Document the IBM SBEFIFO engine
dt-bindings: fsi: p9-occ: Convert to json-schema
dt-bindings: fsi: Document the IBM SCOM engine
dt-bindings: fsi: fsi2spi: Document SPI controller child nodes
dt-bindings: interrupt-controller: convert fsl,ls-scfg-msi to yaml
dt-bindings: soc: fsl: Convert q(b)man-* to yaml format
dt-bindings: misc: fsl,qoriq-mc: convert to yaml format
dt-bindings: drop stale Anson Huang from maintainers
...
The changes for the hte/timestamp subsystem include the following:
- Added module description in hte test to silence modpost warnings.
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Merge tag 'for-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pateldipen1984/linux
Pull hardware timestamp update from Dipen Patel:
- Add module description in hte test to silence modpost warnings
* tag 'for-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/pateldipen1984/linux:
hte: tegra-194: add missing MODULE_DESCRIPTION() macro
- Add new Trigger for Input Events
- Add new led_mc_set_brightness() call to adapt colour/brightness for mutli-colour LEDs
- Add new lled_mc_trigger_event() call to call the above based on given trigger conditions
- Add new led_get_color_name() call, a wrapper around the existing led_colors[] array
- Add a new flag to avoid automatic renaming of LED devices
- New Drivers
- Add support for Silergy SY7802 Flash LED Controller
- Add support for Texas Instruments LP5569 LED Controller
- Add support for ChromeOS EC LED Controller
- New Device Support
- Add support for KTD202{6,7} to Kinetic KTD2026/7 LEDs
- Fix-ups
- Replace ACPI/DT firmware helpers with agnostic variants
- Make use of resource managed devm_* API calls
- Device Tree binding adaptions/conversions/creation
- Constify/staticise applicable data structures
- Trivial; spelling, whitespace, coding-style adaptions
- Drop i2c_device_id::driver_data where the value is unused
- Utilise centrally provided helpers and macros to aid simplicity/duplication
- Use generic platform device properties instead of OF/ACPI specific ones
- Consolidate/de-duplicate various functionality
- Remove superfluous/duplicated/unused sections
- Make use of the new *_scoped() guard APIs
- Improve/simplify error handling
- Bug Fixes
- Flush pending brightness changes before activating the trigger
- Repair incorrect device naming preventing matches
- Prevent memory leaks by correctly free resources during error handling routines
- Repair locking issue causing circular dependency splats and lock-ups
- Unregister sysfs entries before deactivating triggers to prevent use-after issues
- Supply a bunch of MODULE_DESCRIPTIONs to silence modpost warnings
- Use correct return codes expected by the callers
- Omit set_brightness() error message for a LEDs that support only HW triggers
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Merge tag 'leds-next-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds
Pull LED updates from Lee Jones:
"Core Frameworks:
- New trigger for Input Events
- New led_mc_set_brightness() call to adapt colour/brightness for
mutli-colour LEDs
- New lled_mc_trigger_event() call to call the above based on given
trigger conditions
- New led_get_color_name() call, a wrapper around the existing
led_colors[] array
- A new flag to avoid automatic renaming of LED devices
New Drivers:
- Silergy SY7802 Flash LED Controller
- Texas Instruments LP5569 LED Controller
- ChromeOS EC LED Controller
New Device Support:
- KTD202{6,7} support for Kinetic KTD2026/7 LEDs
Fix-ups:
- Replace ACPI/DT firmware helpers with agnostic variants
- Make use of resource managed devm_* API calls
- Device Tree binding adaptions/conversions/creation
- Constify/staticise applicable data structures
- Trivial; spelling, whitespace, coding-style adaptions
- Drop i2c_device_id::driver_data where the value is unused
- Utilise centrally provided helpers and macros to aid simplicity and
avoid duplication
- Use generic platform device properties instead of OF/ACPI specific
ones
- Consolidate/de-duplicate various functionality
- Remove superfluous/duplicated/unused sections
- Make use of the new *_scoped() guard APIs
- Improve/simplify error handling
Bug Fixes:
- Flush pending brightness changes before activating the trigger
- Repair incorrect device naming preventing matches
- Prevent memory leaks by correctly free resources during error
handling routines
- Repair locking issue causing circular dependency splats and
lock-ups
- Unregister sysfs entries before deactivating triggers to prevent
use-after issues
- Supply a bunch of MODULE_DESCRIPTIONs to silence modpost warnings
- Use correct return codes expected by the callers
- Omit set_brightness() error message for a LEDs that support only HW
triggers"
* tag 'leds-next-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/leds: (65 commits)
leds: leds-lp5569: Enable chip after chip configuration
leds: leds-lp5569: Better handle enabling clock internal setting
leds: leds-lp5569: Fix typo in driver name
leds: flash: leds-qcom-flash: Test the correct variable in init
leds: leds-lp55xx: Convert mutex lock/unlock to guard API
leds: leds-lp5523: Convert to sysfs_emit API
leds: leds-lp5569: Convert to sysfs_emit API
Revert "leds: led-core: Fix refcount leak in of_led_get()"
leds: leds-lp5569: Add support for Texas Instruments LP5569
leds: leds-lp55xx: Drop deprecated defines
leds: leds-lp55xx: Support ENGINE program up to 128 bytes
leds: leds-lp55xx: Generalize sysfs master_fader
leds: leds-lp55xx: Generalize sysfs engine_leds
leds: leds-lp55xx: Generalize sysfs engine_load and engine_mode
leds: leds-lp55xx: Generalize stop_engine function
leds: leds-lp55xx: Generalize turn_off_channels function
leds: leds-lp55xx: Generalize set_led_current function
leds: leds-lp55xx: Generalize multicolor_brightness function
leds: leds-lp55xx: Generalize led_brightness function
leds: leds-lp55xx: Generalize firmware_loaded function
...
- Add support for Texas Instruments LM3509 Backlight Driver
- Fix-ups
- Device Tree binding adaptions/conversions/creation
- Drop i2c_device_id::driver_data where the value is unused
- Make use of the new *_scoped() guard APIs
- Decouple from fbdev by providing Backlight with its own BACKLIGHT_POWER_* constrains
- Bug Fixes
- Correctly assess return values (NULL vs IS_ERR())
- Supply a bunch of MODULE_DESCRIPTIONs to silence modpost warnings
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Merge tag 'backlight-next-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight
Pull backlight updates from Lee Jones:
"New Drivers:
- Texas Instruments LM3509 Backlight Driver
Fix-ups:
- Device Tree binding adaptions/conversions/creation
- Drop i2c_device_id::driver_data where the value is unused
- Make use of the new *_scoped() guard APIs
- Decouple from fbdev by providing Backlight with its own
BACKLIGHT_POWER_* constrains
Bug Fixes:
- Correctly assess return values (NULL vs IS_ERR())
- Supply a bunch of MODULE_DESCRIPTIONs to silence modpost warnings"
* tag 'backlight-next-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight: (23 commits)
backlight: sky81452-backlight: Use backlight power constants
backlight: rave-sp-backlight: Use backlight power constants
backlight: pwm-backlight: Use backlight power constants
backlight: pcf50633-backlight: Use backlight power constants
backlight: pandora-backlight: Use backlight power constants
backlight: mp3309c: Use backlight power constants
backlight: lm3533-backlight: Use backlight power constants
backlight: led-backlight: Use backlight power constants
backlight: ktd253-backlight: Use backlight power constants
backlight: kb3886-bl: Use backlight power constants
backlight: journada_bl: Use backlight power constants
backlight: ipaq-micro-backlight: Use backlight power constants
backlight: gpio-backlight: Use backlight power constants
backlight: corgi-lcd: Use backlight power constants
backlight: ams369fb06: Use backlight power constants
backlight: aat2870-backlight: Use blacklight power constants
backlight: Add BACKLIGHT_POWER_ constants for power states
backlight: lm3509_bl: Fix early returns in for_each_child_of_node()
backlight: Drop explicit initialization of struct i2c_device_id::driver_data to 0
backlight: Add missing MODULE_DESCRIPTION() macros
...
- Add support for ROHM BD96801 Power Management IC
- Add support for Cirrus Logic CS40L50 Haptic Driver with Waveform Memory
- Add support for Marvell 88PM886 Power Management IC
- New Device Support
- Add support for Keyboard Backlight to ChromeOS Embedded Controller
- Add support for LEDs to ChromeOS Embedded Controller
- Add support for Charge Control to ChromeOS Embedded Controller
- Add support for the HW Monitoring Service to ChromeOS Embedded Controller
- Add support for AUXADCs to MediaTek MT635{7,8,9} Power Management ICs
- New Functionality
- Allow Syscon consumers to supply their own Regmaps on registration
- Fix-ups
- Constify/staticise applicable data structures
- Remove superfluous/duplicated/unused sections
- Device Tree binding adaptions/conversions/creation
- Trivial; spelling, whitespace, coding-style adaptions
- Utilise centrally provided helpers and macros to aid simplicity/duplication
- Drop i2c_device_id::driver_data where the value is unused
- Replace ACPI/DT firmware helpers with agnostic variants
- Move over to GPIOD (descriptor-based) APIs
- Annotate a bunch of __counted_by() cases
- Straighten out some includes
- Bug Fixes
- Ensure potentially asserted recent lines are deasserted during initialisation
- Avoid "<module>.ko is added to multiple modules" warnings
- Supply a bunch of MODULE_DESCRIPTIONs to silence modpost warnings
- Fix Wvoid-pointer-to-enum-cast warnings
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Merge tag 'mfd-next-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"New Drivers:
- ROHM BD96801 Power Management IC
- Cirrus Logic CS40L50 Haptic Driver with Waveform Memory
- Marvell 88PM886 Power Management IC
New Device Support:
- Keyboard Backlight to ChromeOS Embedded Controller
- LEDs to ChromeOS Embedded Controller
- Charge Control to ChromeOS Embedded Controller
- HW Monitoring Service to ChromeOS Embedded Controller
- AUXADCs to MediaTek MT635{7,8,9} Power Management ICs
New Functionality:
- Allow Syscon consumers to supply their own Regmaps on registration
Fix-ups:
- Constify/staticise applicable data structures
- Remove superfluous/duplicated/unused sections
- Device Tree binding adaptions/conversions/creation
- Trivial; spelling, whitespace, coding-style adaptions
- Utilise centrally provided helpers and macros to aid
simplicity/duplication
- Drop i2c_device_id::driver_data where the value is unused
- Replace ACPI/DT firmware helpers with agnostic variants
- Move over to GPIOD (descriptor-based) APIs
- Annotate a bunch of __counted_by() cases
- Straighten out some includes
Bug Fixes:
- Ensure potentially asserted recent lines are deasserted during
initialisation
- Avoid "<module>.ko is added to multiple modules" warnings
- Supply a bunch of MODULE_DESCRIPTIONs to silence modpost warnings
- Fix Wvoid-pointer-to-enum-cast warnings"
* tag 'mfd-next-6.11' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (87 commits)
mfd: timberdale: Attach device properties to TSC2007 board info
mfd: tmio: Move header to platform_data
mfd: tmio: Sanitize comments
mfd: tmio: Update include files
mmc: tmio/sdhi: Fix includes
mfd: tmio: Remove obsolete io accessors
mfd: tmio: Remove obsolete platform_data
watchdog: bd96801_wdt: Add missing include for FIELD_*()
dt-bindings: mfd: syscon: Add APM poweroff mailbox
dt-bindings: mfd: syscon: Split and enforce documenting MFD children
dt-bindings: mfd: rk817: Merge support for RK809
dt-bindings: mfd: rk817: Fixup clocks and reference dai-common
dt-bindings: mfd: syscon: Add TI's opp table compatible
mfd: omap-usb-tll: Use struct_size to allocate tll
dt-bindings: mfd: Explain lack of child dependency in simple-mfd
dt-bindings: mfd: Dual licensing for st,stpmic1 bindings
mfd: omap-usb-tll: Annotate struct usbtll_omap with __counted_by
mfd: tps6594-core: Remove unneeded semicolon in tps6594_check_crc_mode()
mfd: lm3533: Move to new GPIO descriptor-based APIs
mfd: tps65912: Use devm helper functions to simplify probe
...
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Merge tag 'for-linus-2024071601' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid
Pull HID updates from Benjamin Tissoires:
- rewrite of the HID-BPF internal implementation to use bpf struct_ops
instead of a tracing endpoint (Benjamin Tissoires)
- add two new HID-BPF hooks to be able to intercept userspace calls
targeting a HID device and filtering them (Benjamin Tissoires)
- add support for various new devices through HID-BPF filters (Benjamin
Tissoires)
- add support for the magic keyboard backlight (Orlando Chamberlain)
- add the missing MODULE_DESCRIPTION() macros in HID drivers (Jeff
Johnson)
- use of kvzalloc in case memory gets too fragmented (Hailong Liu)
- retrieve the device firmware node in the child HID device (Danny
Kaehn)
- some hid-uclogic improvements (José Expósito)
- some more typos, trivial fixes, kernel doctext and unused functions
cleanups
* tag 'for-linus-2024071601' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: (60 commits)
HID: hid-steam: Fix typo in goto label
HID: mcp2221: Remove unnecessary semicolon
HID: Fix spelling mistakes "Kensigton" -> "Kensington"
HID: add more missing MODULE_DESCRIPTION() macros
HID: samples: fix the 2 struct_ops definitions
HID: fix for amples in for-6.11/bpf
HID: apple: Add support for magic keyboard backlight on T2 Macs
HID: bpf: Thrustmaster TCA Yoke Boeing joystick fix
HID: bpf: Add Huion Dial 2 bpf fixup
HID: bpf: Add support for the XP-PEN Deco Mini 4
HID: bpf: move the BIT() macro to hid_bpf_helpers.h
HID: bpf: add a driver for the Huion Inspiroy 2S (H641P)
HID: bpf: Add a HID report composition helper macros
HID: bpf: doc fixes for hid_hw_request() hooks
HID: bpf: doc fixes for hid_hw_request() hooks
HID: bpf: fix gcc warning and unify __u64 into u64
selftests/hid: ensure CKI can compile our new tests on old kernels
selftests/hid: add an infinite loop test for hid_bpf_try_input_report
selftests/hid: add another test for injecting an event from an event hook
HID: bpf: allow hid_device_event hooks to inject input reports on self
...
Some cleanups for device changes coming, and some range checks on data
coming from a host to a BMC.
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Merge tag 'for-linus-6.11-1' of https://github.com/cminyard/linux-ipmi
Pull IPMI updates from Corey Minyard:
"Some cleanups for device changes coming, and some range checks on data
coming from a host to a BMC"
* tag 'for-linus-6.11-1' of https://github.com/cminyard/linux-ipmi:
ipmi: Drop explicit initialization of struct i2c_device_id::driver_data to 0
ipmi: ssif_bmc: prevent integer overflow on 32bit systems
Highlights:
- amd/pmf: Report system state changes using existing input
events
- asus-wmi: Zenbook 2023 camera LED disable support and fix
TUF laptop keyboard RGB LED sysfs interface
- dell-pc: Fan modes / platform profile support
- hp-wmi: Fix platform profile switching on Omen/Victus
laptops
- intel/ISST: Use only TPMI interface when TPMI and legacy
interfaces are available
- intel/pmc: LTR restore support to pair with LTR ignore
- intel/tpmi: Performance Limit Reasons (PLR) and APIC <-> Punit
CPU numbering mapping support
- WMI: driver override support and docs improvements
- lenovo-yoga-c630: Support for EC (platform/arm64)
- platform/arm64: Fix build with COMPILE_TEST (broke after addition
of C630)
- tools: Intel Speed Select Turbo Ratio Limit fix
- Miscellaneous cleanups / refactoring / improvements
The following is an automated shortlog grouped by driver:
amd/pmf:
- Remove update system state document
- Use existing input event codes to update system states
- Use memdup_user()
arm64:
- add Lenovo Yoga C630 WOS EC driver
- build drivers even on non-ARM64 platforms
- EC_ACER_ASPIRE1 should depend on ARCH_QCOM
- EC_LENOVO_YOGA_C630 should depend on ARCH_QCOM
arm64: lenovo-yoga-c630:
- select AUXILIARY_BUS
asus-tf103c-dock:
- Use 2-argument strscpy()
asus-wmi:
- fix TUF laptop RGB variant
- support the disable camera LED on F10 of Zenbook 2023
dell-pc:
- avoid double free and invalid unregistration
- Implement platform_profile
dell-smbios:
- Add helper for checking supported class
- Move request functions for reuse
Docs/admin-guide:
- Remove pmf leftover reference from the index
doc: TPMI:
- Add entry for Performance Limit Reasons
dt-bindings: platform:
- Add Lenovo Yoga C630 EC
hp: hp-bioscfg:
- Use 2-argument strscpy()
hp-wmi:
- Fix implementation of the platform_profile_omen_get function
- Fix platform profile option switch bug on Omen and Victus laptops
ideapad-laptop:
- use cleanup.h
intel: chtwc_int33fe:
- Use 2-argument strscpy()
intel/ifs:
- Switch to new Intel CPU model defines
intel_ips:
- Switch to new Intel CPU model defines
intel/pmc:
- Add support to show ltr_ignore value
- Add support to undo ltr_ignore
- Convert index variables to be unsigned
- Move pmc assignment closer to first usage
- Remove unneeded min_t check
- Simplify mutex usage with cleanup helpers
- Switch to new Intel CPU model defines
- Use DEFINE_SHOW_STORE_ATTRIBUTE macro
- Use the Elvis operator
- Use the return value of pmc_core_send_msg
intel_scu_wdt:
- Switch to new Intel CPU model defines
intel_speed_select_if:
- Switch to new Intel CPU model defines
intel_telemetry:
- Switch to new Intel CPU model defines
intel/tpmi:
- Add API to get debugfs root
- Add new auxiliary driver for performance limits
- Add support for performance limit reasons
intel:
- TPMI domain id and CPU mapping
intel/tpmi/plr:
- Add support for the plr mailbox
- Fix output in plr_print_bits()
intel_turbo_max_3:
- Switch to new Intel CPU model defines
intel-uncore-freq:
- Get rid of magic min_max argument
- Get rid of magic values
- Get rid of uncore_read_freq driver API
- Re-arrange bit masks
- Rename the sysfs helper macro names
- Switch to new Intel CPU model defines
- Use generic helpers for current frequency
- Use uncore_index with read_control_freq
ISST:
- Add model specific loading for common module
- Avoid some SkyLake server models
- Use only TPMI interface when present
p2sb:
- Switch to new Intel CPU model defines
serial-multi-instantiate:
- Use 2-argument strscpy()
think-lmi:
- Use 2-argument strscpy()
thinkpad_acpi:
- Use 2-argument strscpy()
tools/power/x86/intel-speed-select:
- Set TRL MSR in 100 MHz units
- v1.20 release
wmi:
- Add bus ABI documentation
- Add driver_override support
x86/platform/atom:
- Switch to new Intel CPU model defines
Merges:
- Merge branch 'pdx86/platform-drivers-x86-lenovo-c630' into review-ilpo
- Merge branch 'pdx86/platform-drivers-x86-lenovo-c630' into review-ilpo
- Merge branch 'pdx86/platform-drivers-x86-lenovo-c630' into review-ilpo
- Merge remote-tracking branch 'intel-speed-select/intel-sst' into review-ilpo
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Merge tag 'platform-drivers-x86-v6.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver updates from Ilpo Järvinen:
- amd/pmf: Report system state changes using existing input events
- asus-wmi: Zenbook 2023 camera LED disable support and fix TUF laptop
keyboard RGB LED sysfs interface
- dell-pc: Fan modes / platform profile support
- hp-wmi: Fix platform profile switching on Omen/Victus laptops
- intel/ISST: Use only TPMI interface when TPMI and legacy interfaces
are available
- intel/pmc: LTR restore support to pair with LTR ignore
- intel/tpmi: Performance Limit Reasons (PLR) and APIC <-> Punit CPU
numbering mapping support
- WMI: driver override support and docs improvements
- lenovo-yoga-c630: Support for EC (platform/arm64)
- platform/arm64: Fix build with COMPILE_TEST (broke after addition of
C630)
- tools: Intel Speed Select Turbo Ratio Limit fix
- Miscellaneous cleanups / refactoring / improvements
* tag 'platform-drivers-x86-v6.11-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (65 commits)
platform/x86: asus-wmi: fix TUF laptop RGB variant
platform/x86/intel/tpmi/plr: Fix output in plr_print_bits()
Docs/admin-guide: Remove pmf leftover reference from the index
platform/x86: ideapad-laptop: use cleanup.h
platform/x86: hp-wmi: Fix implementation of the platform_profile_omen_get function
platform: arm64: EC_LENOVO_YOGA_C630 should depend on ARCH_QCOM
platform: arm64: EC_ACER_ASPIRE1 should depend on ARCH_QCOM
platform/x86/amd/pmf: Remove update system state document
platform/x86/amd/pmf: Use existing input event codes to update system states
platform/x86: hp-wmi: Fix platform profile option switch bug on Omen and Victus laptops
platform/x86:intel/pmc: Add support to undo ltr_ignore
platform/x86:intel/pmc: Use the Elvis operator
platform/x86:intel/pmc: Use DEFINE_SHOW_STORE_ATTRIBUTE macro
platform/x86:intel/pmc: Remove unneeded min_t check
platform/x86:intel/pmc: Add support to show ltr_ignore value
platform/x86:intel/pmc: Move pmc assignment closer to first usage
platform/x86:intel/pmc: Convert index variables to be unsigned
platform/x86:intel/pmc: Simplify mutex usage with cleanup helpers
platform/x86:intel/pmc: Use the return value of pmc_core_send_msg
tools/power/x86/intel-speed-select: v1.20 release
...
Use pe directly to resolve sparse warning:
net/netfilter/ipvs/ip_vs_ctl.c:1471:27: warning: dereference of noderef expression
Fixes: 39b972231536 ("ipvs: handle connections started by real-servers")
Signed-off-by: Chen Hanxiao <chenhx.fnst@fujitsu.com>
Acked-by: Julian Anastasov <ja@ssi.bg>
Acked-by: Simon Horman <horms@kernel.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
- ATA PASS-THROUGH sense data cleanups and fixes. (from Igor Pylypiv)
Highlights:
Store the sense data for ATA PASS-THROUGH commands at the correct offset
in the sense buffer when using fixed format sense data.
Cleanup the logic related to generating sense data for PASS-THROUGH
commands. Generating sense data for PASS-THROUGH commands would
overwrite any eventual (real) sense data received from the device.
Honor the D_SENSE bit when generating sense data for PASS-THROUGH
commands. (The D_SENSE bit can be set by the user, and determines if
the returned sense data should be in fixed format or descriptor format.)
- ata port allocation cleanups. (from me)
Highlights:
Assign the ata port print_id at port allocation time, such that the
ata_port_* print functions can be used earlier in the init call chain.
Change the ata port port print_id to use ida_alloc(), such that
print_ids will get reused on rmmod + modprobe, instead of being
incremented indefinitely.
Remove wrappers that only existed in order to export the internal libata
functions which they wrapped, and instead export the libata functions
directly.
- Update SATA_MOBILE_LPM_POLICY Kconfig default to med_power_with_dipm.
Using this default was not always a good idea before, because it would
break hot plug support. However, with LPM changes in recent kernels,
a port marked as external will not enable LPM (in order to not break hot
plug), so it is now safe to change the default value of this Kconfig.
All major Linux distros have had SATA_MOBILE_LPM_POLICY set to
med_power_with_dipm for quite a long time. (from Mario Limonciello)
- Convert ahci-fsl-qoriq device tree binding to yaml format.
(from Frank Li)
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Merge tag 'ata-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux
Pull ata updates from Niklas Cassel:
- ATA PASS-THROUGH sense data cleanups and fixes (Igor Pylypiv)
Store the sense data for ATA PASS-THROUGH commands at the correct
offset in the sense buffer when using fixed format sense data.
Cleanup the logic related to generating sense data for PASS-THROUGH
commands. Generating sense data for PASS-THROUGH commands would
overwrite any eventual (real) sense data received from the device.
Honor the D_SENSE bit when generating sense data for PASS-THROUGH
commands. (The D_SENSE bit can be set by the user, and determines if
the returned sense data should be in fixed format or descriptor
format)
- ata port allocation cleanups (me)
Assign the ata port print_id at port allocation time, such that the
ata_port_* print functions can be used earlier in the init call
chain.
Change the ata port port print_id to use ida_alloc(), such that
print_ids will get reused on rmmod + modprobe, instead of being
incremented indefinitely.
Remove wrappers that only existed in order to export the internal
libata functions which they wrapped, and instead export the libata
functions directly.
- Update SATA_MOBILE_LPM_POLICY Kconfig default to med_power_with_dipm
(Mario Limonciello)
Using this default was not always a good idea before, because it
would break hot plug support. However, with LPM changes in recent
kernels, a port marked as external will not enable LPM (in order to
not break hot plug), so it is now safe to change the default value of
this Kconfig.
All major Linux distros have had SATA_MOBILE_LPM_POLICY set to
med_power_with_dipm for quite a long time
- Convert ahci-fsl-qoriq device tree binding to yaml format (Frank Li)
* tag 'ata-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/libata/linux:
dt-bindings: ata: ahci-fsl-qoriq: add fsl,ls1046a-ahci and fsl,ls1012a-ahci
ata: ahci: Add debug print for external port
ata,scsi: Remove wrapper ata_sas_port_alloc()
ata: libata-core: Reuse available ata_port print_ids
ata: libata: Assign print_id at port allocation time
ata: libata-core: Remove local_port_no struct member
ata: libata-sata: Remove superfluous assignment in ata_sas_port_alloc()
ata: libata-core: Remove support for decreasing the number of ports
ata: libata: Remove unused function declaration for ata_scsi_detect()
ata,scsi: Remove wrappers ata_sas_tport_{add,delete}()
ata: libata-scsi: Check ATA_QCFLAG_RTF_FILLED before using result_tf
ata: libata-core: Set ATA_QCFLAG_RTF_FILLED in fill_result_tf()
ata: libata-scsi: Do not pass ATA device id to ata_to_sense_error()
ata: libata-scsi: Remove redundant sense_buffer memsets
ata: libata-scsi: Honor the D_SENSE bit for CK_COND=1 and no error
ata: libata-scsi: Do not overwrite valid sense data when CK_COND=1
ata: libata-scsi: Fix offsets for the fixed format sense data
dt-bindings: ata: ahci-fsl-qoriq: convert to yaml format
ata: Kconfig: Update SATA_MOBILE_LPM_POLICY default to med_power_with_dipm
A single change for 6.11, to enable support for large folios (from
Johannes).
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Merge tag 'zonefs-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs
Pull zonefs update from Damien Le Moal:
"A single change to enable support for large folios (from Johannes)"
* tag 'zonefs-6.11-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/dlemoal/zonefs:
zonefs: enable support for large folios
Paolo Abeni
Martin Willi
Lorenzo Bianconi
Jack Wu
Ido Schimmel
Pablo Neira Ayuso
Christian Brauner
Jeff Johnson
Vamsi Attunuru
Günther Noack
Shay Drory
Joshua Washington
Michael Ellerman
Alexey Dobriyan
Thomas Gleixner
Yu Zhao
Dan Carpenter
Miaohe Lin
yangge
Tvrtko Ursulin
Roman Gushchin
Suren Baghdasaryan
Kees Cook
Vlastimil Babka
Pei Li
Donet Tom
Linus Torvalds
Dave Airlie
Chen Hanxiao