From: "Michael S. Tsirkin" <mst@redhat.com>
To: Joe Perches <joe@perches.com>
Cc: linux-kernel@vger.kernel.org, Andy Whitcroft <apw@canonical.com>,
Peter Zijlstra <peterz@infradead.org>,
Arnd Bergmann <arnd@arndb.de>,
linux-arch@vger.kernel.org,
Andrew Cooper <andrew.cooper3@citrix.com>,
virtualization@lists.linux-foundation.org,
Stefano Stabellini <stefano.stabellini@eu.citrix.com>,
Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@elte.hu>,
"H. Peter Anvin" <hpa@zytor.com>,
David Miller <davem@davemloft.net>,
linux-ia64@vger.kernel.org, linuxppc-dev@lists.ozlabs.org,
linux-s390@vger.kernel.org, sparclinux@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-metag@vger.kernel.org, linux-mips@linux-mips.org,
x86@kernel.org, user-mode-linux-devel@lists.sourceforge.net,
adi-buildroot-devel@lists.sourceforge.net,
linux-sh@vger.kernel.org, linux-xtensa@linux-xtensa.org,
xen-devel@lists.xenproject.org, Ingo Molnar <mingo@kernel.org>,
Tony
Subject: Re: [PATCH v2 1/3] checkpatch.pl: add missing memory barriers
Date: Sun, 10 Jan 2016 21:29:06 +0200 [thread overview]
Message-ID: <20160110212531-mutt-send-email-mst@redhat.com> (raw)
In-Reply-To: <1452439051.7773.27.camel@perches.com>
On Sun, Jan 10, 2016 at 07:17:31AM -0800, Joe Perches wrote:
> On Sun, 2016-01-10 at 07:07 -0800, Joe Perches wrote:
> > On Sun, 2016-01-10 at 13:56 +0200, Michael S. Tsirkin wrote:
> > > SMP-only barriers were missing in checkpatch.pl
> > >
> > > Refactor code slightly to make adding more variants easier.
> > []
> > > diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
> []
> > If I use a variable called $smp_barriers, I'd expect
> > it to actually be the smp_barriers, not to have to
> > prefix it with smp_ before using it.
> >
> > my $smp_barriers = qr{
> > smp_store_release|
> > smp_load_acquire|
> > smp_store_mb|
> > smp_read_barrier_depends
>
> That's missing (?:barriers) too.
My version has it but need to add ?: to avoid
a capture group.
> btw: shouldn't this also have
> smp_mb__(?:before|after)_atomic
> ?
Good catch, included in the next version.
--
MST
next prev parent reply other threads:[~2016-01-10 19:29 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-10 11:56 [PATCH v2 0/3] checkpatch: handling of memory barriers Michael S. Tsirkin
2016-01-10 11:56 ` [PATCH v2 1/3] checkpatch.pl: add missing " Michael S. Tsirkin
2016-01-10 15:07 ` Joe Perches
[not found] ` <1452438425.7773.21.camel-6d6DIl74uiNBDgjK7y7TUQ@public.gmane.org>
2016-01-10 15:17 ` Joe Perches
2016-01-10 19:29 ` Michael S. Tsirkin [this message]
2016-01-10 19:13 ` Michael S. Tsirkin
2016-01-10 11:57 ` [PATCH v2 2/3] checkpatch: check for __smp outside barrier.h Michael S. Tsirkin
2016-01-10 15:08 ` Joe Perches
2016-01-10 11:57 ` [PATCH v2 3/3] checkpatch: add virt barriers Michael S. Tsirkin
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