From: Sean Christopherson <seanjc@google.com>
To: Marcelo Tosatti <mtosatti@redhat.com>
Cc: kvm@vger.kernel.org, Paolo Bonzini <pbonzini@redhat.com>,
Alex Williamson <alex.williamson@redhat.com>
Subject: Re: [patch 1/2] KVM: x86: add start_assignment hook to kvm_x86_ops
Date: Thu, 6 May 2021 19:54:01 +0000 [thread overview]
Message-ID: <YJRJWfM0yB+n+Ido@google.com> (raw)
In-Reply-To: <20210506190419.451446263@redhat.com>
On Thu, May 06, 2021, Marcelo Tosatti wrote:
> Index: kvm/arch/x86/kvm/x86.c
> ===================================================================
> --- kvm.orig/arch/x86/kvm/x86.c
> +++ kvm/arch/x86/kvm/x86.c
> @@ -11295,7 +11295,11 @@ bool kvm_arch_can_dequeue_async_page_pre
>
> void kvm_arch_start_assignment(struct kvm *kvm)
> {
> - atomic_inc(&kvm->arch.assigned_device_count);
> + int ret;
> +
> + ret = atomic_inc_return(&kvm->arch.assigned_device_count);
> + if (kvm_x86_ops.start_assignment)
> + kvm_x86_ops.start_assignment(kvm, ret);
This can be a static_call(), just needs an entry in kvm-x86-ops.h.
> }
> EXPORT_SYMBOL_GPL(kvm_arch_start_assignment);
>
>
>
next prev parent reply other threads:[~2021-05-06 19:54 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-05-06 18:57 [patch 0/2] VMX: configure posted interrupt descriptor when assigning device Marcelo Tosatti
2021-05-06 18:57 ` [patch 1/2] KVM: x86: add start_assignment hook to kvm_x86_ops Marcelo Tosatti
2021-05-06 19:54 ` Sean Christopherson [this message]
2021-05-06 18:57 ` [patch 2/2] KVM: VMX: update vcpu posted-interrupt descriptor when assigning device Marcelo Tosatti
2021-05-06 19:11 ` Marcelo Tosatti
2021-05-06 19:21 ` [patch 2/2 V2] " Marcelo Tosatti
2021-05-06 21:35 ` Sean Christopherson
2021-05-07 12:11 ` Marcelo Tosatti
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=YJRJWfM0yB+n+Ido@google.com \
--to=seanjc@google.com \
--cc=alex.williamson@redhat.com \
--cc=kvm@vger.kernel.org \
--cc=mtosatti@redhat.com \
--cc=pbonzini@redhat.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).