linux-kernel - Re: [PATCH 1/2] KVM: x86: fix APIC page invalidation

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Message-ID: <20171203172827.GA6673@redhat.com>
Date:   Sun, 3 Dec 2017 18:28:27 +0100
From:   Andrea Arcangeli <aarcange@...hat.com>
To:     Radim Krčmář <rkrcmar@...hat.com>
Cc:     Fabian Grünbichler 
        <f.gruenbichler@...xmox.com>, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, kvm@...r.kernel.org,
        Paolo Bonzini <pbonzini@...hat.com>,
        Jérôme Glisse <jglisse@...hat.com>
Subject: Re: [PATCH 1/2] KVM: x86: fix APIC page invalidation

On Thu, Nov 30, 2017 at 07:05:45PM +0100, Radim Krčmář wrote:
> Implementation of the unpinned APIC page didn't update the VMCS address
> cache when invalidation was done through range mmu notifiers.
> This became a problem when the page notifier was removed.
> 
> Re-introduce the arch-specific helper and call it from ...range_start.

Reviewed-by: Andrea Arcangeli <aarcange@...hat.com>

Cc: <stable@...r.kernel.org>

Thanks,
Andrea