[PATCH v2] sched, time: fix build error with 64 bit cputime_t on 32 bit systems

[Arnd Bergmann]

On Tuesday 30 September 2014 15:59:47 Rik van Riel wrote:
> Subject: sched,time: fix build error with 64 bit cputime_t on 32 bit systems
> 
> On 32 bit systems cmpxchg cannot handle 64 bit values, so
> some additional magic is required to allow a 32 bit system
> with CONFIG_VIRT_CPU_ACCOUNTING_GEN enabled to build.
> 
> Make sure the correct cmpxchg function is used when doing
> an atomic swap of a cputime_t.
> 
> Signed-off-by: Rik van Riel <riel at redhat.com>
> Reported-by: Arnd Bergmann <arnd at arndb.de>
> 

Now builds without warnings on both 32-bit and 64-bit cputime_t configurations
on arm32.

Acked-by: Arnd Bergmann <arnd at arndb.de>

Thanks!

	Arnd