linux-kernel - Re: [PATCH] KVM: Drop unused kvm_dirty_gfn

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Date:   Thu, 2 Sep 2021 20:13:18 +0000
From:   Sean Christopherson <seanjc@...gle.com>
To:     Peter Xu <peterx@...hat.com>
Cc:     Vitaly Kuznetsov <vkuznets@...hat.com>,
        linux-kernel@...r.kernel.org, kvm@...r.kernel.org,
        Paolo Bonzini <pbonzini@...hat.com>,
        kernel test robot <lkp@...el.com>
Subject: Re: [PATCH] KVM: Drop unused kvm_dirty_gfn_harvested()

On Thu, Sep 02, 2021, Peter Xu wrote:
> On Thu, Sep 02, 2021 at 06:46:14PM +0200, Vitaly Kuznetsov wrote:
> > Sean Christopherson <seanjc@...gle.com> writes:
> > 
> > > On Thu, Sep 02, 2021, Vitaly Kuznetsov wrote:
> > >> Peter Xu <peterx@...hat.com> writes:
> > >> 
> > >> > Drop the unused function as reported by test bot.
> > >> 
> > >> Your subject line says "Drop unused kvm_dirty_gfn_harvested()" while in
> > >> reallity you drop "kvm_dirty_gfn_invalid()".
> > >
> > > Heh, Peter already sent v2[*].  Though that's a good reminder that it's helpful
> > > to reviewers to respond to your own patch if there's a fatal mistake and you're
> > > going to immediately post a new version.  For tiny patches it's not a big deal,
> > > but for larger patches it can avoid wasting reviewers' time.
> > >
> > 
> > Indeed. It's also a good reminder for reviewers that inbox is best
> > treated like a stack and not like a queue :-)
> 
> It should really be a queue, to be fair. :)

Ya, a queue plus a deferred work queue for things that can't be handled in
interrupt context ;-)