Hi, Paul.
Thank you for your comment.
2009/12/22 Paul Mundt <let...@linux-sh.org>:
> On Tue, Dec 22, 2009 at 05:47:46AM +0900, Nobuhiro Iwamatsu wrote:
>> +#define nop __asm__ __volatile__ ("nop": : :"memory")
>> +#define read_barrier() __asm__ __volatile__ (" " : : : "memory")
>> +#define write_barrier() __asm__ __volatile__ (" " : : : "memory")
>
> This is true for SH-4, but not for SH-4A, which wants a synco for these.
> See how the kernel does it.
>
Oh, I forgot this. Thanks!
> The sooner we stop pretending like SH-4A and SH-4 are the same thing the
> sooner we stop introducing subtle bugs all over the place.
>
Martin and Jens, I will send the patch which revised the place that
Pual pointed.
Please wait.
Best regards,
Nobuhiro
--
Nobuhiro Iwamatsu
iwamatsu at {nigauri.org / debian.org}
GPG ID: 40AD1FA6
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