linux-kernel - Re: [PATCH 1/8] ARM: SCU: Add common routines for secondary CPU bootup

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: <AANLkTi=WHBqq5U8OzkMaprk=vzphZBV0HhLEDF-uAZxW@mail.gmail.com>
Date:	Wed, 1 Dec 2010 11:51:42 +0530
From:	Srinidhi Kasagar <srinidhikasagar@...il.com>
To:	Russell King - ARM Linux <linux@....linux.org.uk>
Cc:	Anton Vorontsov <avorontsov@...sta.com>,
	Kukjin Kim <kgene.kim@...sung.com>,
	Srinidhi Kasagar <srinidhi.kasagar@...ricsson.com>,
	Tony Lindgren <tony@...mide.com>,
	Catalin Marinas <catalin.marinas@....com>,
	Jamie Iles <jamie.iles@...ochip.com>,
	Colin Cross <ccross@...roid.com>, linux-kernel@...r.kernel.org,
	linux-samsung-soc@...r.kernel.org,
	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>, linux-tegra@...r.kernel.org,
	linux-omap@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 1/8] ARM: SCU: Add common routines for secondary CPU bootup

On Wed, Dec 1, 2010 at 5:02 AM, Russell King - ARM Linux
<linux@....linux.org.uk> wrote:
> On Tue, Nov 30, 2010 at 08:16:58PM +0300, Anton Vorontsov wrote:

[...]

>> +     sub     r4, r4, r5
>> +     add     r6, r6, r4
>> +#if __LINUX_ARM_ARCH__ >= 7
>> +     dsb
>> +#endif
>
> Another question though - probably for Linus though - why is the u8500
> code needing this dsb whereas other ARMv7 implementations don't appear
> to require it?

No strong reason, we can safely ignore this now.

srinidhi
--
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/