RE: [Xen-devel] [PATCH 1/2] Migrate tsc values during migration

["Cui, Dexuan" <dexuan.cui@xxxxxxxxx>]

> 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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