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

Srinidhi Kasagar
2010-12-01T06:21:42Z

On Wed, Dec 1, 2010 at 5:02 AM, Russell King - ARM Linux
<linux@arm.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