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| author | Kan Liang <kan.liang@linux.intel.com> | 2023-05-08 07:02:06 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-05-30 14:17:23 +0100 |
| commit | 1bc26381e2b033f0bf5a0b7fd19c650de483d08d (patch) | |
| tree | bec040be011429fe1a1db731356d2378f23bc236 /arch/parisc | |
| parent | 00fc226266d5322ce2054e73dfdb87881d78844d (diff) | |
| download | linux-stable-1bc26381e2b033f0bf5a0b7fd19c650de483d08d.tar.gz linux-stable-1bc26381e2b033f0bf5a0b7fd19c650de483d08d.tar.bz2 linux-stable-1bc26381e2b033f0bf5a0b7fd19c650de483d08d.zip | |
perf/x86/uncore: Correct the number of CHAs on SPR
commit 38776cc45eb7603df4735a0410f42cffff8e71a1 upstream.
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
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/parisc')
0 files changed, 0 insertions, 0 deletions