Re: [PATCH v3 09/13] KVM: x86/xen: Use atomic*() APIs instead of open coded equivalents

[Paul Durrant]

On 31/08/2026 22:26, David Woodhouse wrote:
> From: Sean Christopherson <seanjc@xxxxxxxxxx>
>
> Replace the open coded atomic asm blobs in the Xen event injection code
> with equivalent atomic{,64}_xxx() operations.  Casting the event channel
> to atomic types is ugly, but not as ugly as asm blobs.
>
> No functional change intended.
>
> Signed-off-by: Sean Christopherson <seanjc@xxxxxxxxxx>
> Signed-off-by: David Woodhouse <dwmw@xxxxxxxxxxxx>
> ---
>   arch/x86/kvm/xen.c | 35 ++++++++++++-----------------------
>   1 file changed, 12 insertions(+), 23 deletions(-)
Not entirely clear why going to the trouble of replacing the asm blobs 
in patch 8 was necessary only to remove them here but, if that's 
preferable to squashing this into patch 8...

Reviewed-by: Paul Durrant <paul@xxxxxxx>