[PATCH 20/24] x86/oprofile: op_model_athlon.c: Fix counter reset when reenabling IBS OP

[Robert R. <rob...@am...>]

Signed-off-by: Robert Richter <rob...@am...>
---
 arch/x86/oprofile/op_model_athlon.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/arch/x86/oprofile/op_model_athlon.c b/arch/x86/oprofile/op_model_athlon.c
index a3a2058..9c8c8c5 100644
--- a/arch/x86/oprofile/op_model_athlon.c
+++ b/arch/x86/oprofile/op_model_athlon.c
@@ -251,6 +251,7 @@ op_amd_handle_ibs(struct pt_regs * const regs,
 						(unsigned int *)&ibs_op,
 						IBS_OP_BEGIN);
 			rdmsr(MSR_AMD64_IBSOPCTL, low, high);
+			high = 0;
 			low &= ~IBS_OP_LOW_VALID_BIT;
 			low |= IBS_OP_LOW_ENABLE;
 			wrmsr(MSR_AMD64_IBSOPCTL, low, high);
-- 
1.5.5.4