lkml.org 
[lkml]   [2007]   [Jul]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH] Re: Sparc32: random invalid instruction occourances on sparc32 (sun4c)
From
Date
On Tue, 2007-07-03 at 14:41 -0700, David Miller wrote:
> Please don't use get_unaligned() or whatever to fix this, it's
> going to generate the byte-at-a-time accesses on sparc64
> which doesn't need it since the redzone will be aligned.

Yes, get_unaligned() would suck. But 'u64 __aligned__((BYTES_PER_WORD))'
as I suggested should result in a single 64-bit load on 64-bit
architectures, and two 32-bit loads on 32-bit architectures.

But I think the patch I just sent is a better option than that anyway.

--
dwmw2

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2007-07-04 00:03    [W:0.102 / U:5.232 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site