linux-kernel - Re: [PATCH v4 04/17] sched_clock: Add support for >32 bit sched

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]

Date:	Fri, 19 Jul 2013 09:29:39 -0700
From:	Stephen Boyd <sboyd@...eaurora.org>
To:	Baruch Siach <baruch@...s.co.il>
Cc:	John Stultz <john.stultz@...aro.org>,
	Russell King <linux@....linux.org.uk>,
	linux-arm-msm@...r.kernel.org, Will Deacon <will.deacon@....com>,
	linux-kernel@...r.kernel.org,
	Christopher Covington <cov@...eaurora.org>,
	Catalin Marinas <catalin.marinas@....com>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v4 04/17] sched_clock: Add support for >32 bit
 sched_clock

On 07/19, Baruch Siach wrote:
> On Thu, Jul 18, 2013 at 04:21:17PM -0700, Stephen Boyd wrote:
> > @@ -110,14 +123,13 @@ void __init setup_sched_clock(u32 (*read)(void), int
> >   bits, unsigned long rate)
> >  	if (cd.rate > rate)
> >  		return;
> >  
> > -	BUG_ON(bits > 32);
> >  	WARN_ON(!irqs_disabled());
> >  	read_sched_clock = read;
> > -	sched_clock_mask = (1 << bits) - 1;
> > +	sched_clock_mask = CLOCKSOURCE_MASK(bits);
> 
> Note that this conflicts with my integer overflow fix 
> (http://article.gmane.org/gmane.linux.ports.arm.kernel/252498) that I hope 
> will get merged before 3.11 is out.
> 

Thanks for the heads up. The conflict looks minor and I'll rebase
if necessary.

-- 
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
hosted by The Linux Foundation
--
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/