Re: [PATCH v2] KVM: x86/xen: ignore the VCPU_SSHOTTMR_future flag

From: Sean Christopherson
Date: Wed Oct 04 2023 - 14:30:46 EST


On Wed, Oct 04, 2023, Paul Durrant wrote:
> From: Paul Durrant <pdurrant@xxxxxxxxxx>
>
> Upstream Xen now ignores this flag [1], since the only guest kernel ever to
> use it was buggy. By ignoring the flag the guest will always get a callback
> if it sets a negative timeout which upstream Xen has determined not to
> cause problems for any guest setting the flag.
>
> [1] https://xenbits.xen.org/gitweb/?p=xen.git;a=commitdiff;h=19c6cbd909
>
> Signed-off-by: Paul Durrant <pdurrant@xxxxxxxxxx>
> Reviewed-by: David Woodhouse <dwmw@xxxxxxxxxxxx>
> ---
> Cc: David Woodhouse <dwmw2@xxxxxxxxxxxxx>
> Cc: Sean Christopherson <seanjc@xxxxxxxxxx>
> Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx>
> Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> Cc: Ingo Molnar <mingo@xxxxxxxxxx>
> Cc: Borislav Petkov <bp@xxxxxxxxx>
> Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
> Cc: "H. Peter Anvin" <hpa@xxxxxxxxx>
> Cc: x86@xxxxxxxxxx

If you're going to manually Cc folks, put the Cc's in the changelog proper so that
there's a record of who was Cc'd on the patch.

Or even better, just use scripts/get_maintainers.pl and only manually Cc people
when necessary.