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author | Vasant Hegde <hegdevasant@linux.vnet.ibm.com> | 2020-12-18 17:40:38 +0530 |
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committer | Vasant Hegde <hegdevasant@linux.vnet.ibm.com> | 2021-01-06 14:55:02 +0530 |
commit | 25581be2e552f423479da971ed17b978d702d3d3 (patch) | |
tree | e92b042a0151143511880da5f3bb948a61504af7 | |
parent | 180bb0784b49c69aab83a33e183314e1182d503f (diff) | |
download | skiboot-25581be2e552f423479da971ed17b978d702d3d3.zip skiboot-25581be2e552f423479da971ed17b978d702d3d3.tar.gz skiboot-25581be2e552f423479da971ed17b978d702d3d3.tar.bz2 |
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.c | 3 |
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; |