lkml.org 
[lkml]   [2010]   [Nov]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH] ARM: Fix find_next_zero_bit and related assembly
On 11/23/2010 03:28 PM, James Jones wrote:
> On Tuesday 23 November 2010 13:26:47 Nicolas Pitre wrote:
>> On Thu, 11 Nov 2010, James Jones wrote:
>>> The find_next_bit, find_first_bit, find_next_zero_bit
>>> and find_first_zero_bit functions were not properly
>>> clamping to the maxbit argument at the bit level. They
>>> were instead only checking maxbit at the byte level.
>>> To fix this, add a compare and a conditional move
>>> instruction to the end of the common bit-within-the-
>>> byte code used by all the functions and be sure not to
>>> clobber the maxbit argument before it is used.
>>>
>>> Signed-off-by: James Jones <jajones@nvidia.com>
>>> Tested-by: Stephen Warren <swarren@nvidia.com>
>> Reviewed-by: Nicolas Pitre <nicolas.pitre@linaro.org>
>>
>> Please send to RMK's patch system.
> Thanks for the review. It's already in the patch system, but I updated the
> entry to include your reviewed-by line.

Should this be sent to the stable tree too?


\
 
 \ /
  Last update: 2010-11-24 19:15    [W:0.059 / U:0.316 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site