[Bug] ARM 'perf' regression by commit a43cb95d5

[Ming Lei]

On Fri, May 17, 2013 at 11:59 PM, Will Deacon <will.deacon at arm.com> wrote:
>
> Ok, I tried to reproduce this on my TC2 with 3.10-rc1 and perf top looks
> fine. I also tried loading your spi-altera module and it made no difference.
>
> I'm using a fairly old perf tool (reports its version as 3.5.5).

It isn't related with perf tool.

Finally, looks the problem disappeared after upgrading gcc to "gcc version
4.7.3 (Sourcery CodeBench Lite 2013.05-24)" from "gcc version 4.5.1
(Sourcery G++ Lite 2010.09-50)", so it should be caused by compiler.


Thanks,
--
Ming Lei