git: x86_64: Add pauses in the TSC mpsync testing loop.
Sepherosa Ziehau
sephe at crater.dragonflybsd.org
Sat Oct 28 08:02:42 PDT 2017
commit 3a80fe2b3b31f537127b5393af89a549c4d815d9
Author: Sepherosa Ziehau <sephe at dragonflybsd.org>
Date: Sat Oct 28 14:46:31 2017 +0800
x86_64: Add pauses in the TSC mpsync testing loop.
This fixes Intel N3450 deadlock in the tight rdtsc/IPI loop.
Suggested-by: dillon@
Tested-by: mneumann@
Dragonfly-bug: http://bugs.dragonflybsd.org/issues/3087
Summary of changes:
sys/platform/pc64/isa/clock.c | 2 ++
1 file changed, 2 insertions(+)
http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/3a80fe2b3b31f537127b5393af89a549c4d815d9
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