linux-kernel - [GIT PULL] x86/cache for v5.12

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Date:   Mon, 15 Feb 2021 12:59:05 +0100
From:   Borislav Petkov <bp@...e.de>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     x86-ml <x86@...nel.org>, lkml <linux-kernel@...r.kernel.org>
Subject: [GIT PULL] x86/cache for v5.12

Hi Linus,

please pull a couple of resctrl fixes for v5.12.

Thx.

---

The following changes since commit 7c53f6b671f4aba70ff15e1b05148b10d58c2837:

  Linux 5.11-rc3 (2021-01-10 14:34:50 -0800)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git tags/x86_cache_for_v5.12

for you to fetch changes up to 6d3b47ddffed70006cf4ba360eef61e9ce097d8f:

  x86/resctrl: Apply READ_ONCE/WRITE_ONCE to task_struct.{rmid,closid} (2021-01-11 11:43:23 +0100)

----------------------------------------------------------------
Avoid IPI-ing a task in certain cases and prevent load/store tearing
when accessing a task's resctrl fields concurrently.

----------------------------------------------------------------
Reinette Chatre (1):
      x86/resctrl: Use task_curr() instead of task_struct->on_cpu to prevent unnecessary IPI

Tom Rix (1):
      x86/resctrl: Add printf attribute to log function

Valentin Schneider (1):
      x86/resctrl: Apply READ_ONCE/WRITE_ONCE to task_struct.{rmid,closid}

 arch/x86/include/asm/resctrl.h         | 11 +++++++----
 arch/x86/kernel/cpu/resctrl/internal.h |  1 +
 arch/x86/kernel/cpu/resctrl/rdtgroup.c | 24 ++++++++++--------------
 3 files changed, 18 insertions(+), 18 deletions(-)



-- 
Regards/Gruss,
    Boris.

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