linux-kernel - Re: [PATCH tip/core/rcu 15/16] scripts: Make checkpatch.pl warn on expedited RCU grace periods

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1437439720.28284.4.camel@perches.com>
Date:	Mon, 20 Jul 2015 17:48:40 -0700
From:	Joe Perches <joe@...ches.com>
To:	paulmck@...ux.vnet.ibm.com
Cc:	linux-kernel@...r.kernel.org, mingo@...nel.org,
	laijs@...fujitsu.com, dipankar@...ibm.com,
	akpm@...ux-foundation.org, mathieu.desnoyers@...icios.com,
	josh@...htriplett.org, tglx@...utronix.de, peterz@...radead.org,
	rostedt@...dmis.org, dhowells@...hat.com, edumazet@...gle.com,
	dvhart@...ux.intel.com, fweisbec@...il.com, oleg@...hat.com,
	bobby.prani@...il.com, Andy Whitcroft <apw@...onical.com>
Subject: Re: [PATCH tip/core/rcu 15/16] scripts: Make checkpatch.pl warn on
 expedited RCU grace periods

On Mon, 2015-07-20 at 17:41 -0700, Paul E. McKenney wrote:
> On Fri, Jul 17, 2015 at 03:37:54PM -0700, Joe Perches wrote:
> > It'd be faster perl without capture groups:
> > 
> > 		if ($line =~ /\b(?:synchronize_(?:rcu|sched)_expedited)\s*\(/) {
> 
> Fair enough, but this pattern is used rather heavily in this script,
> and I don't trust my perl enough to want to create a new pattern.
> 
> I see a couple of possible ways forward:
> 
> 1.	I hand this patch off to you, and you update it as you deem fit.
> 
> 2.	I push the patch as is (after the fix below) and you update
> 	checkpatch as a whole to use the more efficient code.
> 
> How would you like to proceed?

Push and fix would work fine.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/