linux-kernel - Re: [PATCH v4 4/4] kvm: x86: Allow to respond to generic signals during slow PF

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Message-ID: <Y1m52MUZm9m3s17K@google.com>
Date:   Wed, 26 Oct 2022 22:51:04 +0000
From:   Sean Christopherson <seanjc@...gle.com>
To:     Peter Xu <peterx@...hat.com>
Cc:     linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
        David Matlack <dmatlack@...gle.com>,
        "Dr . David Alan Gilbert" <dgilbert@...hat.com>,
        David Hildenbrand <david@...hat.com>,
        John Hubbard <jhubbard@...dia.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Linux MM Mailing List <linux-mm@...ck.org>,
        Mike Kravetz <mike.kravetz@...cle.com>,
        Paolo Bonzini <pbonzini@...hat.com>,
        Andrea Arcangeli <aarcange@...hat.com>
Subject: Re: [PATCH v4 4/4] kvm: x86: Allow to respond to generic signals
 during slow PF

"KVM: x86/mmu:" for the shortlog.

On Tue, Oct 11, 2022, Peter Xu wrote:
> Enable x86 slow page faults to be able to respond to non-fatal signals,
> returning -EINTR properly when it happens.

Probably worth adding:

  Opportunistically rename kvm_handle_bad_page() to kvm_handle_error_pfn()
  as an error pfn doesn't necessarily mean the page is "bad".

> Signed-off-by: Peter Xu <peterx@...hat.com>
> ---

Reviewed-by: Sean Christopherson <seanjc@...gle.com>