From: tip-bot for Kan Liang <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: peterz@infradead.org, mingo@kernel.org,
torvalds@linux-foundation.org, dsahern@gmail.com,
jolsa@redhat.com, kan.liang@linux.intel.com, acme@redhat.com,
eranian@google.com, vincent.weaver@maine.edu,
namhyung@kernel.org, hpa@zytor.com, linux-kernel@vger.kernel.org,
tglx@linutronix.de, alexander.shishkin@linux.intel.com
Subject: [tip:perf/core] perf/x86/intel: Add counter freezing quirk for Goldmont
Date: Mon, 11 Feb 2019 02:46:42 -0800 [thread overview]
Message-ID: <tip-af63147c1edacfb75a28885a7cd7e6f44e626164@git.kernel.org> (raw)
In-Reply-To: <1549319013-4522-5-git-send-email-kan.liang@linux.intel.com>
Commit-ID: af63147c1edacfb75a28885a7cd7e6f44e626164
Gitweb: https://git.kernel.org/tip/af63147c1edacfb75a28885a7cd7e6f44e626164
Author: Kan Liang <kan.liang@linux.intel.com>
AuthorDate: Mon, 4 Feb 2019 14:23:33 -0800
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Mon, 11 Feb 2019 08:00:42 +0100
perf/x86/intel: Add counter freezing quirk for Goldmont
A microcode patch is also needed for Goldmont while counter freezing
feature is enabled. Otherwise, there will be some issues, e.g. PMI lost.
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vince Weaver <vincent.weaver@maine.edu>
Cc: bp@alien8.de
Link: https://lkml.kernel.org/r/1549319013-4522-5-git-send-email-kan.liang@linux.intel.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
arch/x86/events/intel/core.c | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c
index c79c0165d838..024a515d9102 100644
--- a/arch/x86/events/intel/core.c
+++ b/arch/x86/events/intel/core.c
@@ -3924,8 +3924,12 @@ static __init void intel_nehalem_quirk(void)
}
static const struct x86_cpu_desc counter_freezing_ucodes[] = {
- INTEL_CPU_DESC(INTEL_FAM6_ATOM_GOLDMONT_PLUS, 1, 0x00000028),
- INTEL_CPU_DESC(INTEL_FAM6_ATOM_GOLDMONT_PLUS, 8, 0x00000006),
+ INTEL_CPU_DESC(INTEL_FAM6_ATOM_GOLDMONT, 2, 0x0000000e),
+ INTEL_CPU_DESC(INTEL_FAM6_ATOM_GOLDMONT, 9, 0x0000002e),
+ INTEL_CPU_DESC(INTEL_FAM6_ATOM_GOLDMONT, 10, 0x00000008),
+ INTEL_CPU_DESC(INTEL_FAM6_ATOM_GOLDMONT_X, 1, 0x00000028),
+ INTEL_CPU_DESC(INTEL_FAM6_ATOM_GOLDMONT_PLUS, 1, 0x00000028),
+ INTEL_CPU_DESC(INTEL_FAM6_ATOM_GOLDMONT_PLUS, 8, 0x00000006),
{}
};
@@ -4295,6 +4299,7 @@ __init int intel_pmu_init(void)
case INTEL_FAM6_ATOM_GOLDMONT:
case INTEL_FAM6_ATOM_GOLDMONT_X:
+ x86_add_quirk(intel_counter_freezing_quirk);
memcpy(hw_cache_event_ids, glm_hw_cache_event_ids,
sizeof(hw_cache_event_ids));
memcpy(hw_cache_extra_regs, glm_hw_cache_extra_regs,
next prev parent reply other threads:[~2019-02-11 10:47 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-04 22:23 [PATCH V7 1/5] x86/cpufeature: Add facility to check for min microcode revisions kan.liang
2019-02-04 22:23 ` [PATCH V7 2/5] perf/x86/kvm: Avoid unnecessary work in guest filtering kan.liang
2019-02-11 10:44 ` [tip:perf/core] " tip-bot for Andi Kleen
2019-02-04 22:23 ` [PATCH V7 3/5] perf/x86/intel: Clean up SNB pebs quirk kan.liang
2019-02-11 10:45 ` [tip:perf/core] perf/x86/intel: Clean up SNB PEBS quirk tip-bot for Kan Liang
2019-02-04 22:23 ` [PATCH V7 4/5] perf/x86/intel: Clean up counter freezing quirk kan.liang
2019-02-11 10:45 ` [tip:perf/core] " tip-bot for Kan Liang
2019-02-04 22:23 ` [PATCH V7 5/5] perf/x86/intel: Add counter freezing quirk for Goldmont kan.liang
2019-02-11 10:46 ` tip-bot for Kan Liang [this message]
2019-02-05 11:46 ` [PATCH V7 1/5] x86/cpufeature: Add facility to check for min microcode revisions Peter Zijlstra
2019-02-05 12:26 ` Borislav Petkov
2019-02-11 10:43 ` [tip:perf/core] " tip-bot for Kan Liang
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