Re: 2.6.15-rc5-mm1 (x86_64-hpet-overflow.patch breaks resume from disk)

From: Rafael J. Wysocki
Date: Fri Dec 09 2005 - 06:19:38 EST


On Friday, 9 December 2005 10:15, Jan Beulich wrote:
> It's a possible way to address this, but I'd rather just set a flag
> indicating that the last-whatever values should not be considered (to
> get into a state just like after initial boot). Jan

OK, but what is the interrupt handler supposed to do if the
vxtime.last* values are invalid? I guess assume delta = 0?

BTW, in the interrupt handler there is:

__asm__("mulq %1\n\t"
"shrdq $32, %%rdx, %0"
: "+a" (delta)
: "rm" (vxtime.tsc_quot)
: "rdx");

Is the "+a" a typo?

Rafael


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