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

From: Paul Durrant
Date: Fri Oct 06 2023 - 04:40:44 EST


On 06/10/2023 02:48, Sean Christopherson wrote:
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@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.


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 :-)


Ok... makes sense.

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.

Ok, I'll send stuff that way in future. Thanks,

Paul