Re: [PATCH] kvm: x86: Don't dirty guest memory on every vcpu_put()

Subject: Re: [PATCH] kvm: x86: Don't dirty guest memory on every vcpu_put()
From: Paolo Bonzini <pbonzini@xxxxxxxxxx>
Date: Thu, 13 May 2021 18:35:45 +0200
Cc: Liran Alon <liran.alon@xxxxxxxxxx>, Jim Mattson <jmattson@xxxxxxxxxx>, kvm <kvm@xxxxxxxxxxxxxxx>, Kevin Mcgaire <kevinmcgaire@xxxxxxxxxx>, Oliver Upton <oupton@xxxxxxxxxx>
In-reply-to: <CANgfPd8cujDpRBdD_XBC9h6Q8ijioXHuBUGZ-mBBGBAGHRBt6A@mail.gmail.com>
References: <20200116001635.174948-1-jmattson@google.com> <FE5AE42B-107F-4D7E-B728-E33780743434@oracle.com> <CANgfPd8wFZx977enc+kbbTP1DfMdxkbi5uzhAgpRZhU0yXOzKg@mail.gmail.com> <YJxf+ho/iu8Gpw6+@google.com> <CANgfPd8cujDpRBdD_XBC9h6Q8ijioXHuBUGZ-mBBGBAGHRBt6A@mail.gmail.com>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.8.1

On 13/05/21 18:14, Ben Gardon wrote:

A version of this was committed a while ago.  The CVE number makes me think it
went stealthily...

That's great to know. Thanks for digging that up Sean.

I usually try to send CVE/embargoed patches after the fact to the list,using an [FYI PATCH] prefix.


Paolo

References:
- [PATCH] kvm: x86: Don't dirty guest memory on every vcpu_put()
  - From: Jim Mattson
- Re: [PATCH] kvm: x86: Don't dirty guest memory on every vcpu_put()
  - From: Liran Alon
- Re: [PATCH] kvm: x86: Don't dirty guest memory on every vcpu_put()
  - From: Ben Gardon
- Re: [PATCH] kvm: x86: Don't dirty guest memory on every vcpu_put()
  - From: Sean Christopherson
- Re: [PATCH] kvm: x86: Don't dirty guest memory on every vcpu_put()
  - From: Ben Gardon