Messages in this thread | | | From | Shameerali Kolothum Thodi <> | Subject | RE: [PATCH] KVM: Add the missing stub function for kvm_dirty_ring_check_request() | Date | Thu, 16 Mar 2023 19:39:30 +0000 |
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> -----Original Message----- > From: Sean Christopherson [mailto:seanjc@google.com] > Sent: 16 March 2023 17:02 > To: Shameerali Kolothum Thodi <shameerali.kolothum.thodi@huawei.com> > Cc: linux-kernel@vger.kernel.org; kvm@vger.kernel.org; gshan@redhat.com; > maz@kernel.org > Subject: Re: [PATCH] KVM: Add the missing stub function for > kvm_dirty_ring_check_request() > > On Thu, Mar 16, 2023, Shameer Kolothum wrote: > > The stub for !CONFIG_HAVE_KVM_DIRTY_RING case is missing. > > No stub is needed. kvm_dirty_ring_check_request() isn't called from > common code, > and should not (and isn't unless I'm missing something) be called from arch > code > unless CONFIG_HAVE_KVM_DIRTY_RING=y. > > x86 and arm64 are the only users, and they both select > HAVE_KVM_DIRTY_RING > unconditionally when KVM is enabled.
Yes, it is at present not called from anywhere other than x86 and arm64. But I still think since it is a common helper, better to have a stub.
Thanks, Shameer
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