[RFC] arm: Add for atomic half word exchange

Arnd Bergmann arnd at arndb.de
Tue Jun 2 03:49:20 PDT 2015


On Tuesday 02 June 2015 06:21:43 Sarbojit Ganguly wrote:
> Hello Raghavendra,
> 
> That is exactly I had done albeit from menuconfig. Basically the whole point was to make sure my patch compiles against ARM11 architectures as well. Hence I ensured the .config contains the relevant flags on. 
> 
> 

Most ARM11 implementations are ARMv6k, which has support for the instruction,
but the older ARMv6 (without k) does not. From your description, I assume
you only tested with ARMv6k, not ARMv6. Please enable the OMAP2 and IMX31
platforms to test ARMv6.

	Arnd



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