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Date: Sun, 30 Jul 2023 11:44:10 +0200
From: Borislav Petkov <bp@alien8.de>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: x86-ml <x86@kernel.org>, lkml <linux-kernel@vger.kernel.org>
Subject: [GIT PULL] locking/urgent for v6.5-rc4
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| Series |
[GIT,PULL] locking/urgent for v6.5-rc4
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Pull-request
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git tags/locking_urgent_for_v6.5_rc4Message
Borislav Petkov
July 30, 2023, 9:44 a.m. UTC
Hi Linus,
please pull a single urgent locking fix for 6.5.
Thx.
---
The following changes since commit fdf0eaf11452d72945af31804e2a1048ee1b574c:
Linux 6.5-rc2 (2023-07-16 15:10:37 -0700)
are available in the Git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git tags/locking_urgent_for_v6.5_rc4
for you to fetch changes up to f7853c34241807bb97673a5e97719123be39a09e:
locking/rtmutex: Fix task->pi_waiters integrity (2023-07-17 13:59:10 +0200)
----------------------------------------------------------------
- Fix a rtmutex race condition resulting from sharing of the sort key
between the lock waiters and the PI chain tree (->pi_waiters) of
a task by giving each tree their own sort key
----------------------------------------------------------------
Peter Zijlstra (1):
locking/rtmutex: Fix task->pi_waiters integrity
kernel/locking/rtmutex.c | 170 +++++++++++++++++++++++++++-------------
kernel/locking/rtmutex_api.c | 2 +-
kernel/locking/rtmutex_common.h | 47 ++++++++---
kernel/locking/ww_mutex.h | 12 +--
4 files changed, 155 insertions(+), 76 deletions(-)
Comments
The pull request you sent on Sun, 30 Jul 2023 11:44:10 +0200:
> git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git tags/locking_urgent_for_v6.5_rc4
has been merged into torvalds/linux.git:
https://git.kernel.org/torvalds/c/c959e90094d6db8ee1bfbe1a9c571fbd35d4daac
Thank you!