diff options
| author | Kan Liang <kan.liang@linux.intel.com> | 2023-05-08 07:02:06 -0700 |
|---|---|---|
| committer | Peter Zijlstra <peterz@infradead.org> | 2023-05-24 22:19:41 +0200 |
| commit | 38776cc45eb7603df4735a0410f42cffff8e71a1 (patch) | |
| tree | 93166fd306d324335ed3fb1ff1b31725f8dd3461 /lib/test_bitmap.c | |
| parent | 3c845304d2d723f20d5b91fef5d133ff94825d76 (diff) | |
perf/x86/uncore: Correct the number of CHAs on SPR
The number of CHAs from the discovery table on some SPR variants is
incorrect, because of a firmware issue. An accurate number can be read
from the MSR UNC_CBO_CONFIG.
Fixes: 949b11381f81 ("perf/x86/intel/uncore: Add Sapphire Rapids server CHA support")
Reported-by: Stephane Eranian <eranian@google.com>
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Stephane Eranian <eranian@google.com>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/20230508140206.283708-1-kan.liang@linux.intel.com
Diffstat (limited to 'lib/test_bitmap.c')
0 files changed, 0 insertions, 0 deletions