linux-kernel - [PATCH 1/1 fyi] tools arch amd ibs: Sync ibs.h with the kernel sources

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Message-ID: <aEtCi0pup5FEwnzn@x1>
Date: Thu, 12 Jun 2025 18:11:39 -0300
From: Arnaldo Carvalho de Melo <acme@...nel.org>
To: linux-kernel@...r.kernel.org
Cc: Adrian Hunter <adrian.hunter@...el.com>,
	Ian Rogers <irogers@...gle.com>, Ingo Molnar <mingo@...nel.org>,
	James Clark <james.clark@...aro.org>, Jiri Olsa <jolsa@...nel.org>,
	Kan Liang <kan.liang@...ux.intel.com>
Subject: [PATCH 1/1 fyi] tools arch amd ibs: Sync ibs.h with the kernel
 sources

tldr; Just FYI, I'm carrying this on the perf tools tree.

Full explanation:

There used to be no copies, with tools/ code using kernel headers
directly. From time to time tools/perf/ broke due to legitimate kernel
hacking. At some point Linus complained about such direct usage. Then we
adopted the current model.

See further details at:

 https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/tools/include/uapi/README

To pick up the changes from:

  861c6b1185fbb2e3 ("x86/platform/amd: Add standard header guards to <asm/amd/ibs.h>")

That don't result in any changes in the tools, just address this perf
build warning:

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

Cc: Adrian Hunter <adrian.hunter@...el.com>
Cc: Ian Rogers <irogers@...gle.com>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: James Clark <james.clark@...aro.org>
Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Kan Liang <kan.liang@...ux.intel.com>
Cc: Namhyung Kim <namhyung@...nel.org>
Link: https://lore.kernel.org/r/
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/arch/x86/include/asm/amd/ibs.h | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/tools/arch/x86/include/asm/amd/ibs.h b/tools/arch/x86/include/asm/amd/ibs.h
index 300b6e0765b2e1e2..3ee5903982c287c8 100644
--- a/tools/arch/x86/include/asm/amd/ibs.h
+++ b/tools/arch/x86/include/asm/amd/ibs.h
@@ -1,10 +1,13 @@
 /* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_X86_AMD_IBS_H
+#define _ASM_X86_AMD_IBS_H
+
 /*
  * From PPR Vol 1 for AMD Family 19h Model 01h B1
  * 55898 Rev 0.35 - Feb 5, 2021
  */
 
-#include "../msr-index.h"
+#include <asm/msr-index.h>
 
 /* IBS_OP_DATA2 DataSrc */
 #define IBS_DATA_SRC_LOC_CACHE			 2
@@ -151,3 +154,5 @@ struct perf_ibs_data {
 	};
 	u64		regs[MSR_AMD64_IBS_REG_COUNT_MAX];
 };
+
+#endif /* _ASM_X86_AMD_IBS_H */
-- 
2.49.0