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authorVasant Hegde <hegdevasant@linux.vnet.ibm.com>2020-12-18 17:40:38 +0530
committerVasant Hegde <hegdevasant@linux.vnet.ibm.com>2021-01-06 14:55:02 +0530
commit25581be2e552f423479da971ed17b978d702d3d3 (patch)
treee92b042a0151143511880da5f3bb948a61504af7
parent180bb0784b49c69aab83a33e183314e1182d503f (diff)
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SBE: Account cancelled timer request
[ Upstream commit b44c7594523d20945179e497c45ec9007981ac75 ] Currently we are not accounting cancelled timer request. So in some corner cases we may schedule new timer request with new-timer-value > inflight-timer-value. Lets explicit check new_target value with inflight timer value. Signed-off-by: Vasant Hegde <hegdevasant@linux.vnet.ibm.com>
-rw-r--r--hw/sbe-p9.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/hw/sbe-p9.c b/hw/sbe-p9.c
index 966ed0c..391ee18 100644
--- a/hw/sbe-p9.c
+++ b/hw/sbe-p9.c
@@ -800,6 +800,9 @@ static void p9_sbe_timer_schedule(void)
u64 tb_cnt, now = mftb();
if (sbe_timer_in_progress) {
+ if (sbe_timer_target >= sbe_last_gen_stamp)
+ return;
+
if (now >= sbe_last_gen_stamp)
return;