[GIT PULL] core/urgent for v5.16-rc6

[Borislav Petkov]

Hi Linus,

please pull a single core/urgent fix for 5.16.

Thx.

---

The following changes since commit cabdc3a8475b918e55744f43719b26a82dc8fa6b:

  sched,x86: Don't use cluster topology for x86 hybrid CPUs (2021-12-08 22:15:37 +0100)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git tags/core_urgent_for_v5.16_rc6

for you to fetch changes up to 6c3118c32129b4197999a8928ba776bcabd0f5c4:

  signal: Skip the altstack update when not needed (2021-12-14 13:08:36 -0800)

----------------------------------------------------------------
- Prevent lock contention on the new sigaltstack lock on the common-case
path, when no changes have been made to the alternative signal stack.

----------------------------------------------------------------
Chang S. Bae (1):
      signal: Skip the altstack update when not needed

 kernel/signal.c | 9 +++++++++
 1 file changed, 9 insertions(+)

-- 
Regards/Gruss,
    Boris.

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