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Re: [PATCH v2] sh: Fix gUSA sequence in atomic function
On Thu, Jun 21, 2012 at 3:14 AM, Kaz Kojima <kkojima@rr.iij4u.or.jp> wrote:
> Hi,
>
> I'd like to commit the patch below based with Iwamatsu-san's
> updated patch. ?OK?
>
> Regards,
> ? ? ? ?kaz
> --
> ? ? ? ?* sysdeps/unix/sysv/linux/sh/bits/atomic.h
> ? ? ? ?(__arch_compare_and_exchange_val_8_acq): Remove explicit nop.
> ? ? ? ?(__arch_compare_and_exchange_val_16_acq): Likewise.
> ? ? ? ?(__arch_compare_and_exchange_val_32_acq): Likewise.
> ? ? ? ?(atomic_exchange_and_add): Fix gUSA sequence.
> ? ? ? ?(atomic_add): Likewise.
> ? ? ? ?(atomic_add_negative): Likewise.
> ? ? ? ?(atomic_add_zero): Likewise.
> ? ? ? ?(atomic_bit_test_set): Likewise.
What is the risk to 2.16 if this patch is *not* committed?
Cheers,
Carlos.