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Date:   Fri, 28 Oct 2022 06:41:54 -0000
From:   "tip-bot2 for Ravi Bangoria" <tip-bot2@linutronix.de>
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Subject: [tip: perf/urgent] perf/mem: Rename PERF_MEM_LVLNUM_EXTN_MEM to
 PERF_MEM_LVLNUM_CXL
Cc:     Ravi Bangoria <ravi.bangoria@amd.com>,
        "Peter Zijlstra (Intel)" <peterz@infradead.org>, x86@kernel.org,
        linux-kernel@vger.kernel.org
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The following commit has been merged into the perf/urgent branch of tip:

Commit-ID:     cb6c18b5a41622c7a439508f7421f8766a91cb87
Gitweb:        https://git.kernel.org/tip/cb6c18b5a41622c7a439508f7421f8766a91cb87
Author:        Ravi Bangoria <ravi.bangoria@amd.com>
AuthorDate:    Sat, 01 Oct 2022 11:37:05 +05:30
Committer:     Peter Zijlstra <peterz@infradead.org>
CommitterDate: Thu, 27 Oct 2022 10:27:32 +02:00

perf/mem: Rename PERF_MEM_LVLNUM_EXTN_MEM to PERF_MEM_LVLNUM_CXL

PERF_MEM_LVLNUM_EXTN_MEM was introduced to cover CXL devices but it's
bit ambiguous name and also not generic enough to cover cxl.cache and
cxl.io devices. Rename it to PERF_MEM_LVLNUM_CXL to be more specific.

Signed-off-by: Ravi Bangoria <ravi.bangoria@amd.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/f6268268-b4e9-9ed6-0453-65792644d953@amd.com
---
 arch/x86/events/amd/ibs.c       | 2 +-
 include/uapi/linux/perf_event.h | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/events/amd/ibs.c b/arch/x86/events/amd/ibs.c
index 3271735..4cb710e 100644
--- a/arch/x86/events/amd/ibs.c
+++ b/arch/x86/events/amd/ibs.c
@@ -801,7 +801,7 @@ static void perf_ibs_get_mem_lvl(union ibs_op_data2 *op_data2,
 	/* Extension Memory */
 	if (ibs_caps & IBS_CAPS_ZEN4 &&
 	    ibs_data_src == IBS_DATA_SRC_EXT_EXT_MEM) {
-		data_src->mem_lvl_num = PERF_MEM_LVLNUM_EXTN_MEM;
+		data_src->mem_lvl_num = PERF_MEM_LVLNUM_CXL;
 		if (op_data2->rmt_node) {
 			data_src->mem_remote = PERF_MEM_REMOTE_REMOTE;
 			/* IBS doesn't provide Remote socket detail */
diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h
index 85be78e..ccb7f5d 100644
--- a/include/uapi/linux/perf_event.h
+++ b/include/uapi/linux/perf_event.h
@@ -1337,7 +1337,7 @@ union perf_mem_data_src {
 #define PERF_MEM_LVLNUM_L3	0x03 /* L3 */
 #define PERF_MEM_LVLNUM_L4	0x04 /* L4 */
 /* 5-0x8 available */
-#define PERF_MEM_LVLNUM_EXTN_MEM 0x09 /* Extension memory */
+#define PERF_MEM_LVLNUM_CXL	0x09 /* CXL */
 #define PERF_MEM_LVLNUM_IO	0x0a /* I/O */
 #define PERF_MEM_LVLNUM_ANY_CACHE 0x0b /* Any cache */
 #define PERF_MEM_LVLNUM_LFB	0x0c /* LFB */