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

From David Vrabel <david.vrabel@citrix.com>
Newsgroups linux.kernel
Subject Re: [Xen-devel] [PATCH] xen/x86/pvh: Use HVM's flush_tlb_others op
Date 2015-12-14 15:00 +0100
Message-ID <qFBPs-6Uj-1@gated-at.bofh.it> (permalink)
References <qF2I2-ZP-23@gated-at.bofh.it>
Organization linux.* mail to news gateway

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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@oracle.com>
> Suggested-by: Jan Beulich <jbeulich@suse.com>
> Cc: stable@vger.kernel.org # 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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Thread

[PATCH] xen/x86/pvh: Use HVM's flush_tlb_others op Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2015-12-13 01:30 +0100
  Re: [Xen-devel] [PATCH] xen/x86/pvh: Use HVM's flush_tlb_others op David Vrabel <david.vrabel@citrix.com> - 2015-12-14 15:00 +0100
    Re: [Xen-devel] [PATCH] xen/x86/pvh: Use HVM's flush_tlb_others op Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2015-12-14 15:10 +0100
  Re: [Xen-devel] [PATCH] xen/x86/pvh: Use HVM's flush_tlb_others op Roger Pau Monné <roger.pau@citrix.com> - 2015-12-14 16:40 +0100
    Re: [Xen-devel] [PATCH] xen/x86/pvh: Use HVM's flush_tlb_others op Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2015-12-14 17:00 +0100
  Re: [PATCH] xen/x86/pvh: Use HVM's flush_tlb_others op Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2015-12-15 15:40 +0100
    Re: [PATCH] xen/x86/pvh: Use HVM's flush_tlb_others op "Jan Beulich" <JBeulich@suse.com> - 2015-12-15 16:10 +0100
      Re: [PATCH] xen/x86/pvh: Use HVM's flush_tlb_others op Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2015-12-15 16:20 +0100
        Re: [PATCH] xen/x86/pvh: Use HVM's flush_tlb_others op "Jan Beulich" <JBeulich@suse.com> - 2015-12-15 16:30 +0100
          Re: [PATCH] xen/x86/pvh: Use HVM's flush_tlb_others op Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2015-12-15 16:40 +0100
            Re: [PATCH] xen/x86/pvh: Use HVM's flush_tlb_others op "Jan Beulich" <JBeulich@suse.com> - 2015-12-15 17:10 +0100

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