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authorKan Liang <[email protected]>2021-08-26 08:32:38 -0700
committerPeter Zijlstra <[email protected]>2021-08-31 13:59:35 +0200
commite2bb9fab08cbcc7922050c7eb0bd650807abfa4e (patch)
tree224eb68c22c075ba3e712035eae47d58cf9d50b6
parent496a18f09374ad89b3ab4366019bc3975db90234 (diff)
perf/x86/intel/uncore: Fix invalid unit check
The uncore unit with the type ID 0 and the unit ID 0 is missed. The table3 of the uncore unit maybe 0. The uncore_discovery_invalid_unit() mistakenly treated it as an invalid value. Remove the !unit.table3 check. Fixes: edae1f06c2cd ("perf/x86/intel/uncore: Parse uncore discovery tables") Signed-off-by: Kan Liang <[email protected]> Signed-off-by: Peter Zijlstra (Intel) <[email protected]> Reviewed-by: Andi Kleen <[email protected]> Cc: [email protected] Link: https://lkml.kernel.org/r/[email protected]
-rw-r--r--arch/x86/events/intel/uncore_discovery.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/events/intel/uncore_discovery.h b/arch/x86/events/intel/uncore_discovery.h
index 7280c8a3c831..6d735611c281 100644
--- a/arch/x86/events/intel/uncore_discovery.h
+++ b/arch/x86/events/intel/uncore_discovery.h
@@ -30,7 +30,7 @@
#define uncore_discovery_invalid_unit(unit) \
- (!unit.table1 || !unit.ctl || !unit.table3 || \
+ (!unit.table1 || !unit.ctl || \
unit.table1 == -1ULL || unit.ctl == -1ULL || \
unit.table3 == -1ULL)