Re: [RFC] arm: Add for atomic half word exchange

From: Arnd Bergmann
Date: Tue Jun 02 2015 - 06:51:54 EST


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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