linux-kernel - Re: [PATCH 2/2] clocksource: arm_arch_timer: add boot and suspend 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]

Message-ID: <20130419144601.GC4855@localhost.cambridge.arm.com>
Date:	Fri, 19 Apr 2013 15:46:01 +0100
From:	Catalin Marinas <catalin.marinas@....com>
To:	Rob Herring <robherring2@...il.com>
Cc:	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"arm@...nel.org" <arm@...nel.org>,
	"rob.herring@...xeda.com" <rob.herring@...xeda.com>,
	Russell King <linux@....linux.org.uk>,
	John Stultz <john.stultz@...aro.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Will Deacon <Will.Deacon@....com>,
	Stephen Boyd <sboyd@...eaurora.org>
Subject: Re: [PATCH 2/2] clocksource: arm_arch_timer: add boot and suspend
 sched_clock offset

On Thu, Apr 18, 2013 at 08:30:10PM +0100, Rob Herring wrote:
> From: Rob Herring <rob.herring@...xeda.com>
> 
> Commit 023796b (ARM: arch_timer: use full 64-bit counter for sched_clock)
> fails to ensure sched_clock always starts at time 0 and counting is
> suspended during suspend. arm64 sched_clock support also has the same
> issues. This fixes all architected timer users by maintaining an initial
> offset which is updated on resume.
> 
> Signed-off-by: Rob Herring <rob.herring@...xeda.com>
> Cc: Russell King <linux@....linux.org.uk>
> Cc: John Stultz <john.stultz@...aro.org>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: Catalin Marinas <catalin.marinas@....com>
> Cc: Will Deacon <will.deacon@....com>
> Cc: Stephen Boyd <sboyd@...eaurora.org>

For arm64:

Acked-by: Catalin Marinas <catalin.marinas@....com>
--
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/