[RFC PATCH v2 1/2] cpuidle: Add common init interface and idle functionality

On 5 January 2012 03:32, Russell King - ARM Linux
[off-list ref] wrote:

On Wed, Dec 14, 2011 at 01:02:05AM -0600, Robert Lee wrote:

quoted

+ ? ? asm("b 1f; .align 5; 1:");
+ ? ? asm("mcr p15, 0, r0, c7, c10, 4"); ? ? ?/* drain write buffer */

Err, no. ?The compiler is free to add whatever instructions it sees
fit between these two asm() statements.

If you want to ask the compiler to issue a set of assembly instructions
as a block, you have to use just one asm() statement.

Thanks.  I will fix that in v3.