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SubjectRe: [PATCH v2] KVM: x86/xen: ignore the VCPU_SSHOTTMR_future flag
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On Thu, Oct 05, 2023, Paul Durrant wrote:
> On 04/10/2023 19:30, Sean Christopherson wrote:
> > On Wed, Oct 04, 2023, Paul Durrant wrote:
> > > ---
> > > Cc: David Woodhouse <dwmw2@infradead.org>
> > > Cc: Sean Christopherson <seanjc@google.com>
> > > Cc: Paolo Bonzini <pbonzini@redhat.com>
> > > Cc: Thomas Gleixner <tglx@linutronix.de>
> > > Cc: Ingo Molnar <mingo@redhat.com>
> > > Cc: Borislav Petkov <bp@alien8.de>
> > > Cc: Dave Hansen <dave.hansen@linux.intel.com>
> > > Cc: "H. Peter Anvin" <hpa@zytor.com>
> > > Cc: x86@kernel.org
> >
> > 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.
> >
>
> FTR, the basic list was generated:
>
> ./scripts/get_maintainer.pl --no-rolestats
> 0001-KVM-xen-ignore-the-VCPU_SSHOTTMR_future-flag.patch | while read line;
> do echo Cc: $line; done
>
> and then lightly hacked put x86 at the end and remove my own name... so not
> really manual.
> Also not entirely sure why you'd want the Cc list making it into the actual
> commit.

It's useful for Cc's that *don't* come from get_maintainers, as it provides a
record in the commit of who was Cc'd on a patch.

E.g. if someone encounters an issue with a commit, the Cc records provide additional
contacts that might be able to help sort things out.

Or if a maintainer further up the stream has questions or concerns about a pull
request, they can use the Cc list to grab the right audience for a discussion,
or be more confident in merging the request because the maintainer knows that the
"right" people at least saw the patch.

Lore links provide much of that functionality, but following a link is almost
always slower, and some maintainers are allergic to web browsers :-)

> > Or even better, just use scripts/get_maintainers.pl and only manually Cc people
> > when necessary.
>
> I guess this must be some other way of using get_maintainers.pl that you are
> expecting?

Ah, I was just assuming that you were handcoding the Cc "list", but it sounds
like you're piping the results into each patch. That's fine, just a bit noisy
and uncommon.

FWIW, my scripts gather the To/Cc for all patches in a series, and then use the
results for the entire series, e.g.

git send-email --confirm=always --suppress-cc=all $to $bcc $cc ...

That way everyone that gets sent mail gets all patches in a series. Most
contributors, myself included, don't like to receive bits and pieces of a series,
e.g. it makes doing quick triage/reviews annoying, especially if the patches I
didn't receive weren't sent to any of the mailing list to which I'm subscribed.

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