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| author | Kan Liang <[email protected]> | 2023-05-08 14:02:06 +0000 |
|---|---|---|
| committer | Peter Zijlstra <[email protected]> | 2023-05-24 20:19:41 +0000 |
| commit | 38776cc45eb7603df4735a0410f42cffff8e71a1 (patch) | |
| tree | 93166fd306d324335ed3fb1ff1b31725f8dd3461 /lib/debugobjects.c | |
| parent | perf/x86/intel: Save/restore cpuc->active_pebs_data_cfg when using guest PEBS (diff) | |
| download | kernel-38776cc45eb7603df4735a0410f42cffff8e71a1.tar.gz kernel-38776cc45eb7603df4735a0410f42cffff8e71a1.zip | |
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 <[email protected]>
Signed-off-by: Kan Liang <[email protected]>
Signed-off-by: Peter Zijlstra (Intel) <[email protected]>
Tested-by: Stephane Eranian <[email protected]>
Cc: [email protected]
Link: https://lore.kernel.org/r/[email protected]
Diffstat (limited to 'lib/debugobjects.c')
0 files changed, 0 insertions, 0 deletions