linux-kernel - [GIT PULL] perf/urgent for v6.9-rc2

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-ID: <20240331112344.GAZglHwOp8M9XR1akK@fat_crate.local>
Date: Sun, 31 Mar 2024 13:23:44 +0200
From: Borislav Petkov <bp@...en8.de>
To: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: x86-ml <x86@...nel.org>, lkml <linux-kernel@...r.kernel.org>
Subject: [GIT PULL] perf/urgent for v6.9-rc2

Hi Linus,

please pull a couple of urgent perf fixes to the AMD side of things, for
v6.9-rc2.

Thx.

---

The following changes since commit 4cece764965020c22cff7665b18a012006359095:

  Linux 6.9-rc1 (2024-03-24 14:10:05 -0700)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git tags/perf_urgent_for_v6.9_rc2

for you to fetch changes up to 68cdf1e6e8f2ce78ed7d8f5d80844fd75a9c54ff:

  perf/x86/amd/core: Define a proper ref-cycles event for Zen 4 and later (2024-03-26 09:04:21 +0100)

----------------------------------------------------------------
- Define the correct set of default hw events on AMD Zen4

- Use the correct stalled cycles PMCs on AMD Zen2 and newer

- Fix detection of the LBR freeze feature on AMD

----------------------------------------------------------------
Sandipan Das (4):
      x86/cpufeatures: Add new word for scattered features
      perf/x86/amd/lbr: Use freeze based on availability
      perf/x86/amd/core: Update and fix stalled-cycles-* events for Zen 2 and later
      perf/x86/amd/core: Define a proper ref-cycles event for Zen 4 and later

 arch/x86/events/amd/core.c               | 39 ++++++++++++++++++++++++++++----
 arch/x86/events/amd/lbr.c                | 16 ++++++++-----
 arch/x86/include/asm/cpufeature.h        |  6 +++--
 arch/x86/include/asm/cpufeatures.h       | 10 +++++++-
 arch/x86/include/asm/disabled-features.h |  3 ++-
 arch/x86/include/asm/required-features.h |  3 ++-
 arch/x86/kernel/cpu/scattered.c          |  1 +
 7 files changed, 62 insertions(+), 16 deletions(-)


-- 
Regards/Gruss,
    Boris.

https://people.kernel.org/tglx/notes-about-netiquette