linux-kernel - Re: [PULL] vhost: cleanups and fixes

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Message-ID: <CAHk-=wjAvx_rWKct5RtqRrVEgNxrFF=1qQwkz+AegDvd4yXW=g@mail.gmail.com>
Date:   Fri, 2 Nov 2018 11:02:35 -0700
From:   Linus Torvalds <torvalds@...ux-foundation.org>
To:     mst@...hat.com
Cc:     mark.rutland@....com, Kees Cook <keescook@...omium.org>,
        kvm@...r.kernel.org, virtualization@...ts.linux-foundation.org,
        netdev@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        bijan.mottahedeh@...cle.com, gedwards@....com, joe@...ches.com,
        lenaic@...ard.fr, liang.z.li@...el.com, mhocko@...nel.org,
        mhocko@...e.com, stefanha@...hat.com, wei.w.wang@...el.com,
        jasowang@...hat.com
Subject: Re: [PULL] vhost: cleanups and fixes

On Fri, Nov 2, 2018 at 10:21 AM Michael S. Tsirkin <mst@...hat.com> wrote:
>
> it seems that it depends on current not on the active mm.

Yes, see my other suggestion to just fix "use_mm()" to update the address range.

Would you mind testing that?

Because that would seem to be the *much* less error-prone model..

           Linus