[PATCH 1/2] powerpc/perf: Cleanup cache_sel bits comment
From: Madhavan Srinivasan <hidden>
Date: 2017-10-03 11:22:11
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
Update the raw event code comment in power9-pmu.c with respect to "cache" bits, since power9 MMCRC does not support these. Signed-off-by: Madhavan Srinivasan <redacted> --- arch/powerpc/perf/power9-pmu.c | 12 ++---------- 1 file changed, 2 insertions(+), 10 deletions(-)
diff --git a/arch/powerpc/perf/power9-pmu.c b/arch/powerpc/perf/power9-pmu.c
index 24b5b5b7a206..88b0a78eff4d 100644
--- a/arch/powerpc/perf/power9-pmu.c
+++ b/arch/powerpc/perf/power9-pmu.c@@ -63,16 +63,8 @@ * MMCRA[9:11] = thresh_cmp[0:2] * MMCRA[12:18] = thresh_cmp[3:9] * - * if unit == 6 or unit == 7 - * MMCRC[53:55] = cache_sel[1:3] (L2EVENT_SEL) - * else if unit == 8 or unit == 9: - * if cache_sel[0] == 0: # L3 bank - * MMCRC[47:49] = cache_sel[1:3] (L3EVENT_SEL0) - * else if cache_sel[0] == 1: - * MMCRC[50:51] = cache_sel[2:3] (L3EVENT_SEL1) - * else if cache_sel[1]: # L1 event - * MMCR1[16] = cache_sel[2] - * MMCR1[17] = cache_sel[3] + * MMCR1[16] = cache_sel[2] + * MMCR1[17] = cache_sel[3] * * if mark: * MMCRA[63] = 1 (SAMPLE_ENABLE)
--
2.7.4