From: Ravi Bangoria <ravi.bangoria@amd.com>
To: Peter Zijlstra <peterz@infradead.org>, Ingo Molnar <mingo@redhat.com>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>,
Arnaldo Carvalho de Melo <acme@kernel.org>,
Namhyung Kim <namhyung@kernel.org>,
Ian Rogers <irogers@google.com>,
Dapeng Mi <dapeng1.mi@linux.intel.com>,
James Clark <james.clark@linaro.org>,
Sadasivan Shaiju <sadasivan.shaiju2@amd.com>, <x86@kernel.org>,
<linux-perf-users@vger.kernel.org>,
<linux-kernel@vger.kernel.org>,
Manali Shukla <manali.shukla@amd.com>,
Santosh Shukla <santosh.shukla@amd.com>,
Ananth Narayan <ananth.narayan@amd.com>,
Sandipan Das <sandipan.das@amd.com>
Subject: [PATCH v2 0/5] perf/amd/ibs: Assorted fixes
Date: Mon, 16 Feb 2026 04:22:11 +0000 [thread overview]
Message-ID: <20260216042216.1440-1-ravi.bangoria@amd.com> (raw)
Address several issues in the AMD IBS perf code: interrupt accounting
for discarded samples, a Zen5-specific quirk, PhyAddrVal handling,
NMI-safety with perf_allow_kernel(), and a race between event add and
NMI.
Patches are prepared on tip/perf/core (7db06e329af3)
v1: https://lore.kernel.org/r/20260116033450.965-1-ravi.bangoria@amd.com
v1->v2:
- Split fixes series from future enhancements
- Add interrupt throttling for zero-rip erratum #1197
- Avoid calling perf_allow_kernel() in NMI context (new patch)
Ravi Bangoria (5):
perf/amd/ibs: Account interrupt for discarded samples
perf/amd/ibs: Limit ldlat->l3missonly dependency to Zen5
perf/amd/ibs: Preserve PhyAddrVal bit when clearing PhyAddr MSR
perf/amd/ibs: Avoid calling perf_allow_kernel() from the IBS NMI
handler
perf/amd/ibs: Avoid race between event add and NMI
arch/x86/events/amd/ibs.c | 28 ++++++++++++++++++++++------
arch/x86/events/perf_event_flags.h | 1 +
2 files changed, 23 insertions(+), 6 deletions(-)
--
2.43.0
next reply other threads:[~2026-02-16 4:22 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-16 4:22 Ravi Bangoria [this message]
2026-02-16 4:22 ` [PATCH v2 1/5] perf/amd/ibs: Account interrupt for discarded samples Ravi Bangoria
2026-02-23 12:25 ` Michael Petlan
2026-02-24 8:11 ` Ravi Bangoria
2026-02-26 13:06 ` Peter Zijlstra
2026-02-28 10:56 ` [tip: perf/core] " tip-bot2 for Ravi Bangoria
2026-02-16 4:22 ` [PATCH v2 2/5] perf/amd/ibs: Limit ldlat->l3missonly dependency to Zen5 Ravi Bangoria
2026-02-28 10:56 ` [tip: perf/core] " tip-bot2 for Ravi Bangoria
2026-02-16 4:22 ` [PATCH v2 3/5] perf/amd/ibs: Preserve PhyAddrVal bit when clearing PhyAddr MSR Ravi Bangoria
2026-02-28 10:56 ` [tip: perf/core] " tip-bot2 for Ravi Bangoria
2026-02-16 4:22 ` [PATCH v2 4/5] perf/amd/ibs: Avoid calling perf_allow_kernel() from the IBS NMI handler Ravi Bangoria
2026-02-28 10:56 ` [tip: perf/core] " tip-bot2 for Ravi Bangoria
2026-03-06 21:13 ` [PATCH v2 4/5] " Michael Petlan
2026-03-09 9:07 ` Michael Petlan
2026-03-09 11:40 ` Ravi Bangoria
2026-03-09 19:06 ` Michael Petlan
2026-03-10 16:46 ` Ravi Bangoria
2026-02-16 4:22 ` [PATCH v2 5/5] perf/amd/ibs: Avoid race between event add and NMI Ravi Bangoria
2026-02-28 10:56 ` [tip: perf/core] " tip-bot2 for Ravi Bangoria
2026-02-18 5:51 ` [PATCH v2 0/5] perf/amd/ibs: Assorted fixes Namhyung Kim
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