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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