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-rw-r--r--arch/powerpc/perf/isa207-common.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/arch/powerpc/perf/isa207-common.c b/arch/powerpc/perf/isa207-common.c
index 177de814286f..6a2f65d3d088 100644
--- a/arch/powerpc/perf/isa207-common.c
+++ b/arch/powerpc/perf/isa207-common.c
@@ -226,8 +226,13 @@ void isa207_get_mem_weight(u64 *weight)
u64 mmcra = mfspr(SPRN_MMCRA);
u64 exp = MMCRA_THR_CTR_EXP(mmcra);
u64 mantissa = MMCRA_THR_CTR_MANT(mmcra);
+ u64 sier = mfspr(SPRN_SIER);
+ u64 val = (sier & ISA207_SIER_TYPE_MASK) >> ISA207_SIER_TYPE_SHIFT;
- *weight = mantissa << (2 * exp);
+ if (val == 0 || val == 7)
+ *weight = 0;
+ else
+ *weight = mantissa << (2 * exp);
}
int isa207_get_constraint(u64 event, unsigned long *maskp, unsigned long *valp)