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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-07 02:18:06 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-07 02:18:06 +0000 |
commit | dbbf0dcdfc9a5d90d5146bb195fce97064d92c76 (patch) | |
tree | bab1434b47a284ca2893dcc0b908d1b95d982e7c /arch/x86/events/amd/lbr.c | |
parent | Adding upstream version 6.1.85. (diff) | |
download | linux-dbbf0dcdfc9a5d90d5146bb195fce97064d92c76.tar.xz linux-dbbf0dcdfc9a5d90d5146bb195fce97064d92c76.zip |
Adding upstream version 6.1.90.upstream/6.1.90upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/x86/events/amd/lbr.c')
-rw-r--r-- | arch/x86/events/amd/lbr.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/x86/events/amd/lbr.c b/arch/x86/events/amd/lbr.c index b8fe74e8e..48f4095f5 100644 --- a/arch/x86/events/amd/lbr.c +++ b/arch/x86/events/amd/lbr.c @@ -173,9 +173,11 @@ void amd_pmu_lbr_read(void) /* * Check if a branch has been logged; if valid = 0, spec = 0 - * then no branch was recorded + * then no branch was recorded; if reserved = 1 then an + * erroneous branch was recorded (see Erratum 1452) */ - if (!entry.to.split.valid && !entry.to.split.spec) + if ((!entry.to.split.valid && !entry.to.split.spec) || + entry.to.split.reserved) continue; perf_clear_branch_entry_bitfields(br + out); |