[tip: perf/core] perf/x86/amd/ibs: Fix comment typo in ibs_op_data

[tip-bot2 for Yen-Hsiang Hsu]

The following commit has been merged into the perf/core branch of tip:

Commit-ID:     73cee0aad1ee2479fde2c9b753a1b66acb7d1b9a
Gitweb:        https://git.kernel.org/tip/73cee0aad1ee2479fde2c9b753a1b66acb7d1b9a
Author:        Yen-Hsiang Hsu <rrrrr4413@xxxxxxxxx>
AuthorDate:    Tue, 13 Jan 2026 22:18:30 +08:00
Committer:     Peter Zijlstra <peterz@xxxxxxxxxxxxx>
CommitterDate: Fri, 06 Mar 2026 11:37:59 +01:00

perf/x86/amd/ibs: Fix comment typo in ibs_op_data

The comment for tag_to_ret_ctr in ibs_op_data says "15-31"
but it should be "16-31".

Fix the misleading comment. No functional changes.

Signed-off-by: Yen-Hsiang Hsu <rrrrr4413@xxxxxxxxx>
Signed-off-by: Peter Zijlstra (Intel) <peterz@xxxxxxxxxxxxx>
Reviewed-by: Borislav Petkov (AMD) <bp@xxxxxxxxx>
Link: https://patch.msgid.link/20260113141830.3204114-1-rrrrr4413@xxxxxxxxx
---
 arch/x86/include/asm/amd/ibs.h       | 2 +-
 tools/arch/x86/include/asm/amd/ibs.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/include/asm/amd/ibs.h b/arch/x86/include/asm/amd/ibs.h
index 4eac36c..68e24a1 100644
--- a/arch/x86/include/asm/amd/ibs.h
+++ b/arch/x86/include/asm/amd/ibs.h
@@ -77,7 +77,7 @@ union ibs_op_data {
 	__u64 val;
 	struct {
 		__u64	comp_to_ret_ctr:16,	/* 0-15: op completion to retire count */
-			tag_to_ret_ctr:16,	/* 15-31: op tag to retire count */
+			tag_to_ret_ctr:16,	/* 16-31: op tag to retire count */
 			reserved1:2,		/* 32-33: reserved */
 			op_return:1,		/* 34: return op */
 			op_brn_taken:1,		/* 35: taken branch op */
diff --git a/tools/arch/x86/include/asm/amd/ibs.h b/tools/arch/x86/include/asm/amd/ibs.h
index cbce54f..25c0000 100644
--- a/tools/arch/x86/include/asm/amd/ibs.h
+++ b/tools/arch/x86/include/asm/amd/ibs.h
@@ -77,7 +77,7 @@ union ibs_op_data {
 	__u64 val;
 	struct {
 		__u64	comp_to_ret_ctr:16,	/* 0-15: op completion to retire count */
-			tag_to_ret_ctr:16,	/* 15-31: op tag to retire count */
+			tag_to_ret_ctr:16,	/* 16-31: op tag to retire count */
 			reserved1:2,		/* 32-33: reserved */
 			op_return:1,		/* 34: return op */
 			op_brn_taken:1,		/* 35: taken branch op */