linux-kernel - [PATCH V2 3/3] perf regs x86: Use PERF_REG_NON_GENERIC

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Message-Id: <1558984077-7773-3-git-send-email-kan.liang@linux.intel.com>
Date:   Mon, 27 May 2019 12:07:57 -0700
From:   kan.liang@...ux.intel.com
To:     mingo@...nel.org, acme@...hat.com, peterz@...radead.org,
        vincent.weaver@...ne.edu, linux-kernel@...r.kernel.org
Cc:     alexander.shishkin@...ux.intel.com, ak@...ux.intel.com,
        jolsa@...hat.com, eranian@...gle.com,
        Kan Liang <kan.liang@...ux.intel.com>
Subject: [PATCH V2 3/3] perf regs x86: Use PERF_REG_NON_GENERIC_MASK

From: Kan Liang <kan.liang@...ux.intel.com>

Use the macro defined in kernel ABI header to replace the local name.

No functional change.

Signed-off-by: Kan Liang <kan.liang@...ux.intel.com>
---

New for V2

 tools/arch/x86/include/uapi/asm/perf_regs.h | 3 +++
 tools/perf/arch/x86/include/perf_regs.h     | 1 -
 tools/perf/arch/x86/util/perf_regs.c        | 4 ++--
 3 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/tools/arch/x86/include/uapi/asm/perf_regs.h b/tools/arch/x86/include/uapi/asm/perf_regs.h
index ac67bbe..3a96971 100644
--- a/tools/arch/x86/include/uapi/asm/perf_regs.h
+++ b/tools/arch/x86/include/uapi/asm/perf_regs.h
@@ -52,4 +52,7 @@ enum perf_event_x86_regs {
 	/* These include both GPRs and XMMX registers */
 	PERF_REG_X86_XMM_MAX = PERF_REG_X86_XMM15 + 2,
 };
+
+#define PERF_REG_NON_GENERIC_MASK	(~((1ULL << PERF_REG_X86_XMM0) - 1))
+
 #endif /* _ASM_X86_PERF_REGS_H */
diff --git a/tools/perf/arch/x86/include/perf_regs.h b/tools/perf/arch/x86/include/perf_regs.h
index b7cd91a..b732133 100644
--- a/tools/perf/arch/x86/include/perf_regs.h
+++ b/tools/perf/arch/x86/include/perf_regs.h
@@ -9,7 +9,6 @@
 void perf_regs_load(u64 *regs);
 
 #define PERF_REGS_MAX PERF_REG_X86_XMM_MAX
-#define PERF_XMM_REGS_MASK	(~((1ULL << PERF_REG_X86_XMM0) - 1))
 #ifndef HAVE_ARCH_X86_64_SUPPORT
 #define PERF_REGS_MASK ((1ULL << PERF_REG_X86_32_MAX) - 1)
 #define PERF_SAMPLE_REGS_ABI PERF_SAMPLE_REGS_ABI_32
diff --git a/tools/perf/arch/x86/util/perf_regs.c b/tools/perf/arch/x86/util/perf_regs.c
index 7886ca5..ef87f79 100644
--- a/tools/perf/arch/x86/util/perf_regs.c
+++ b/tools/perf/arch/x86/util/perf_regs.c
@@ -277,7 +277,7 @@ uint64_t arch__intr_reg_mask(void)
 		.type			= PERF_TYPE_HARDWARE,
 		.config			= PERF_COUNT_HW_CPU_CYCLES,
 		.sample_type		= PERF_SAMPLE_REGS_INTR,
-		.sample_regs_intr	= PERF_XMM_REGS_MASK,
+		.sample_regs_intr	= PERF_REG_NON_GENERIC_MASK,
 		.precise_ip		= 1,
 		.disabled 		= 1,
 		.exclude_kernel		= 1,
@@ -293,7 +293,7 @@ uint64_t arch__intr_reg_mask(void)
 	fd = sys_perf_event_open(&attr, 0, -1, -1, 0);
 	if (fd != -1) {
 		close(fd);
-		return (PERF_XMM_REGS_MASK | PERF_REGS_MASK);
+		return (PERF_REG_NON_GENERIC_MASK | PERF_REGS_MASK);
 	}
 
 	return PERF_REGS_MASK;
-- 
2.7.4