RE: [Xen-devel] [PATCH] small adjustment to asm constraintsforc/s19400

["Jan Beulich" <jbeulich@xxxxxxxxxx>]

>>> "Tian, Kevin" <kevin.tian@xxxxxxxxx> 31.03.09 13:09 >>>
>Thanks. After recovering those 3 SYSENTER MSRs, now 32-on-64
>S3 could succeeds several times which is a big step. However there
>seems to be some other instability issues to cause machine 
>occasionally reboot after more S3 actions. Both screen and serial
>port is dark and thus no more info is available. We'll continue to dig out 
>the exact reason. But this shouldn't prevent sending out this 
>reasonable fix anyway.

I think you need to be a little more careful here - subarch_percpu_traps_init()
writes them only on Intel CPUs, and I think you ought to follow this for
both saving and restoring them.

Jan



_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel