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xen-devel
RE: [Xen-devel] [PATCH 1/2] Migrate tsc values during migration
> diff -r f1508348ffab tools/libxc/xc_domain_restore.c
> ...
> +#define rdtscll(val) do { \
> + unsigned int a,d; \
> + asm volatile("rdtsc" : "=a" (a), "=d" (d)); \
> + (val) = ((unsigned long)a) | (((unsigned long)d)<<32); \
> +} while(0)
> +
> /* max mfn of the current host machine */
> static unsigned long max_mfn;
> ...
The "rdtscll" definition is buggy for __i386__ since sizeof "int" and "long"
usually are 4 there.
-- Dexuan
-----Original Message-----
From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Ben Guthro
Sent: 2008年6月5日 23:00
To: xen-devel; Dave Winchell
Subject: [Xen-devel] [PATCH 1/2] Migrate tsc values during migration
Migrate the last TSC values for more accurate timekeeping during live
migration
Signed-off-by: Dave Winchell <dwinchell@xxxxxxxxxxxxxxx>
Signed-off-by: Ben Guthro <bguthro@xxxxxxxxxxxxxxx>
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