Re: [Xen-devel] [PATCH] xen/x86/pvh: Use HVM's flush_tlb_others op

From: David Vrabel
Date: Mon Dec 14 2015 - 08:59:08 EST


On 13/12/15 00:25, Boris Ostrovsky wrote:
> Using MMUEXT_TLB_FLUSH_MULTI doesn't buy us much since the hypervisor
> will likely perform same IPIs as would have the guest.
>
> More importantly, using MMUEXT_INVLPG_MULTI may not to invalidate the
> guest's address on remote CPU (when, for example, VCPU from another guest
> is running there).
>
> Signed-off-by: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx>
> Suggested-by: Jan Beulich <jbeulich@xxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx # 3.14+

Applied to for-linus-4.4, thanks. But given that PVH is experimental
I've dropped the stable Cc.

David
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