Re: [PATCH v3 3/3] checkpatch: add virt barriers
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- To: "Michael S. Tsirkin" <mst@xxxxxxxxxx>
- Subject: Re: [PATCH v3 3/3] checkpatch: add virt barriers
- From: Julian Calaby <julian.calaby@xxxxxxxxx>
- Date: Mon, 11 Jan 2016 21:40:18 +1100
- Cc: Joe Perches <joe@xxxxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, Andy Whitcroft <apw@xxxxxxxxxxxxx>, Peter Zijlstra <peterz@xxxxxxxxxxxxx>, Arnd Bergmann <arnd@xxxxxxxx>, linux-arch@xxxxxxxxxxxxxxx, Andrew Cooper <andrew.cooper3@xxxxxxxxxx>, virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx, Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, Ingo Molnar <mingo@xxxxxxx>, "H. Peter Anvin" <hpa@xxxxxxxxx>, David Miller <davem@xxxxxxxxxxxxx>, linux-ia64@xxxxxxxxxxxxxxx, linuxppc-dev@xxxxxxxxxxxxxxxx, linux-s390@xxxxxxxxxxxxxxx, sparclinux <sparclinux@xxxxxxxxxxxxxxx>, "Mailing List, Arm" <linux-arm-kernel@xxxxxxxxxxxxxxxxxxx>, linux-metag@xxxxxxxxxxxxxxx, linux-mips@xxxxxxxxxxxxxx, x86@xxxxxxxxxx, user-mode-linux-devel@xxxxxxxxxxxxxxxxxxxxx, adi-buildroot-devel@xxxxxxxxxxxxxxxxxxxxx, linux-sh@xxxxxxxxxxxxxxx, linux-xtensa@xxxxxxxxxxxxxxxx, xen-devel@xxxxxxxxxxxxxxxxxxxx, Ingo Molnar <mingo@xxxxxxxxxx>, Tony Lindgren <tony@xxxxxxxxxxx>, Andrey Konovalov <andreyknvl@xxxxxxxxxx>, Russell King - ARM Linux <linux@xxxxxxxxxxxxxxxx>
- In-reply-to: <20160111123423-mutt-send-email-mst@redhat.com>
- List-id: <linux-ia64.vger.kernel.org>
- References: <1452454200-8844-1-git-send-email-mst@redhat.com> <1452454200-8844-4-git-send-email-mst@redhat.com> <CAGRGNgXQANbKD=VA0Qx4Wp1+MpZUVV7by8RrKxF9o=qu=vUQqA@mail.gmail.com> <1452466336.7773.46.camel@perches.com> <20160111123423-mutt-send-email-mst@redhat.com>
Hi Michael,
On Mon, Jan 11, 2016 at 9:35 PM, Michael S. Tsirkin <mst@xxxxxxxxxx> wrote:
> On Sun, Jan 10, 2016 at 02:52:16PM -0800, Joe Perches wrote:
>> On Mon, 2016-01-11 at 09:13 +1100, Julian Calaby wrote:
>> > On Mon, Jan 11, 2016 at 6:31 AM, Michael S. Tsirkin <mst@xxxxxxxxxx> wrote:
>> > > Add virt_ barriers to list of barriers to check for
>> > > presence of a comment.
>> []
>> > > diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
>> []
>> > > @@ -5133,7 +5133,8 @@ sub process {
>> > > }x;
>> > > my $all_barriers = qr{
>> > > $barriers|
>> > > - smp_(?:$smp_barrier_stems)
>> > > + smp_(?:$smp_barrier_stems)|
>> > > + virt_(?:$smp_barrier_stems)
>> >
>> > Sorry I'm late to the party here, but would it make sense to write this as:
>> >
>> > (?:smp|virt)_(?:$smp_barrier_stems)
>>
>> Yes. Perhaps the name might be better as barrier_stems.
>>
>> Also, ideally this would be longest match first or use \b
>> after the matches so that $all_barriers could work
>> successfully without a following \s*\(
>>
>> my $all_barriers = qr{
>> (?:smp|virt)_(?:barrier_stems)|
>> $barriers)
>> }x;
>>
>> or maybe add separate $smp_barriers and $virt_barriers
>>
>> <shrug> it doesn't matter much in any case
>
> OK just to clarify - are you OK with merging the patch as is?
> Refactorings can come as patches on top if required.
I don't really care either way, I was just asking if it was possible.
If you don't see any value in that change, then don't make it.
Thanks,
--
Julian Calaby
Email: julian.calaby@xxxxxxxxx
Profile: http://www.google.com/profiles/julian.calaby/
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