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From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Namhyung Kim <namhyung@kernel.org>
Cc: Ingo Molnar <mingo@kernel.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	James Clark <james.clark@linaro.org>,
	Jiri Olsa <jolsa@kernel.org>, Ian Rogers <irogers@google.com>,
	Adrian Hunter <adrian.hunter@intel.com>,
	Kan Liang <kan.liang@linux.intel.com>,
	Clark Williams <williams@redhat.com>,
	linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org,
	Arnaldo Carvalho de Melo <acme@redhat.com>,
	Dave Hansen <dave.hansen@linux.intel.com>,
	Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Subject: [PATCH 2/7] tools arch x86: Sync the msr-index.h copy with the kernel sources
Date: Mon, 19 May 2025 18:41:21 -0300	[thread overview]
Message-ID: <20250519214126.1652491-3-acme@kernel.org> (raw)
In-Reply-To: <20250519214126.1652491-1-acme@kernel.org>

From: Arnaldo Carvalho de Melo <acme@redhat.com>

To pick up the changes from these csets:

  159013a7ca18c271 ("x86/its: Enumerate Indirect Target Selection (ITS) bug")

That cause no changes to tooling as it doesn't include a new MSR to be
captured by the tools/perf/trace/beauty/tracepoints/x86_msr.sh script,
for instance:

  $ tools/perf/trace/beauty/tracepoints/x86_msr.sh | head
  static const char * const x86_MSRs[] = {
  	[0x00000000] = "IA32_P5_MC_ADDR",
  	[0x00000001] = "IA32_P5_MC_TYPE",
  	[0x00000010] = "IA32_TSC",
  	[0x00000017] = "IA32_PLATFORM_ID",
  	[0x0000001b] = "IA32_APICBASE",
  	[0x00000020] = "KNC_PERFCTR0",
  	[0x00000021] = "KNC_PERFCTR1",
  	[0x00000028] = "KNC_EVNTSEL0",
  	[0x00000029] = "KNC_EVNTSEL1",
  $

Just silences this perf build warning:

  Warning: Kernel ABI header differences:
    diff -u tools/arch/x86/include/asm/msr-index.h arch/x86/include/asm/msr-index.h

Please see tools/include/uapi/README for further details.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: Ian Rogers <irogers@google.com>
Cc: James Clark <james.clark@linaro.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Pawan Gupta <pawan.kumar.gupta@linux.intel.com>
Link: https://lore.kernel.org/r/
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/arch/x86/include/asm/msr-index.h | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/tools/arch/x86/include/asm/msr-index.h b/tools/arch/x86/include/asm/msr-index.h
index e6134ef2263d50d1..e7d2f460fcc699e4 100644
--- a/tools/arch/x86/include/asm/msr-index.h
+++ b/tools/arch/x86/include/asm/msr-index.h
@@ -211,6 +211,14 @@
 						 * VERW clears CPU Register
 						 * File.
 						 */
+#define ARCH_CAP_ITS_NO			BIT_ULL(62) /*
+						     * Not susceptible to
+						     * Indirect Target Selection.
+						     * This bit is not set by
+						     * HW, but is synthesized by
+						     * VMMs for guests to know
+						     * their affected status.
+						     */
 
 #define MSR_IA32_FLUSH_CMD		0x0000010b
 #define L1D_FLUSH			BIT(0)	/*
-- 
2.49.0


  parent reply	other threads:[~2025-05-19 21:41 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-05-19 21:41 [PATCH FYI 0/7] Updating some kernel headers " Arnaldo Carvalho de Melo
2025-05-19 21:41 ` [PATCH 1/7] tools include UAPI: Sync linux/vhost.h " Arnaldo Carvalho de Melo
2025-05-20  7:20   ` Stefano Garzarella
2025-05-20 15:57     ` Arnaldo Carvalho de Melo
2025-05-24 10:58   ` Michael S. Tsirkin
2025-05-19 21:41 ` Arnaldo Carvalho de Melo [this message]
2025-05-19 21:41 ` [PATCH 3/7] tools headers x86 cpufeatures: Sync with the kernel sources to pick ZEN6 and Indirect Target Selection (ITS) bits Arnaldo Carvalho de Melo
2025-05-19 21:41 ` [PATCH 4/7] tools headers: Sync the linux/unaligned.h copy with the kernel sources Arnaldo Carvalho de Melo
2025-05-19 21:41 ` [PATCH 5/7] tools headers: Synchronize uapi/linux/bits.h " Arnaldo Carvalho de Melo
2025-05-19 21:41 ` [PATCH 6/7] tools headers compiler: Pick the const_true() define from " Arnaldo Carvalho de Melo
2025-05-19 21:41 ` [PATCH 7/7] tools headers: Synchronize linux/bits.h with " Arnaldo Carvalho de Melo
2025-05-19 23:41 ` [PATCH FYI 0/7] Updating some kernel headers " Namhyung Kim
2025-05-20  0:44 ` Vincent Mailhol
2025-05-20 15:52   ` Arnaldo Carvalho de Melo
2025-05-20 16:02     ` Vincent Mailhol
2025-05-20 19:38       ` Arnaldo Carvalho de Melo
2025-05-20  3:48 ` Yury Norov
2025-05-20 15:56   ` Arnaldo Carvalho de Melo
2025-05-20 16:09     ` Yury Norov

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