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Re: [Xen-devel] [PATCH] Fix clock_gettime to increment monotonically onP

from [Jan Beulich]

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To:	"Atsushi SAKAI" <sakaia@xxxxxxxxxxxxxx>
Subject:	Re: [Xen-devel] [PATCH] Fix clock_gettime to increment monotonically onPV-domain/x86
From:	"Jan Beulich" <jbeulich@xxxxxxxxxx>
Date:	Fri, 15 Jun 2007 12:19:17 +0200
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I'm afraid this isn't MP-safe - you're in a (pseudo-)read-locked section of 
code,
yet write a global variable (and even in two pieces). Jan

>>> Atsushi SAKAI <sakaia@xxxxxxxxxxxxxx> 15.06.07 11:47 >>>
Hi, Keir

  This patch intends to increment do_gettimeofday monotonically.
This is for PV-domain/x86.

Signed-off-by: Atsushi SAKAI <sakaia@xxxxxxxxxxxxxx>

By applying patch, the time rollback for SMP is fixed.
This is important fixes for database software.

Thanks
Atsushi SAKAI



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[Xen-devel] [PATCH] Fix clock_gettime to increment monotonically on PV-domain/x86, Atsushi SAKAI Re: [Xen-devel] [PATCH] Fix clock_gettime to increment monotonically onPV-domain/x86, Jan Beulich <= Re: [Xen-devel] [PATCH] Fix clock_gettime to increment monotonically onPV-domain/x86, Keir Fraser Re: [Xen-devel] [PATCH] Fix clock_gettime to increment monotonically onPV-domain/x86, Jan Beulich Re: [Xen-devel] [PATCH] Fix clock_gettime to increment monotonically onPV-domain/x86, Keir Fraser Re: [Xen-devel] [PATCH] Fix clock_gettime to increment monotonically onPV-domain/x86, John Levon Re: [Xen-devel] [PATCH] Fix clock_gettime to increment monotonically onPV-domain/x86, Keir Fraser Re: [Xen-devel] [PATCH] Fix clock_gettime to increment monotonically onPV-domain/x86, John Levon Re: [Xen-devel] [PATCH] Fix clock_gettime to increment monotonically onPV-domain/x86, Keir Fraser Re: [Xen-devel] [PATCH] Fix clock_gettime to increment monotonically onPV-domain/x86, John Levon Re: [Xen-devel] [PATCH] Fix clock_gettime to increment monotonically onPV-domain/x86, Keir Fraser Re: [Xen-devel] [PATCH] Fix clock_gettime to increment monotonically onPV-domain/x86, John Levon

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