[PATCH 4/4] arm: Enable ARM mode for armv6 strlen

[Adhemerval Zanella]

On 12/04/2018 16:32, Ramana Radhakrishnan wrote:
> 
> 
> On Thu, 12 Apr 2018, 20:28 Phil Blundell, <pb@pbcl.net <mailto:pb@pbcl.net>> wrote:
> 
>     On Thu, 2018-04-12 at 16:20 -0300, Adhemerval Zanella wrote:
>     > In fact for strlen we still require to provide a ARM only mode, since
>     > armv7 build will select this implementation as default and it still
>     > possible the user would require a ARM only build.  
> 
>     ARMv7 guarantees Thumb2 is available, doesn't it?
> 
> 
> Yep. I am puzzled as to why this patchset is.needed .
> 
> Ramana

Because as reported by BZ#23031 [1], the user is using a kernel explicit
configured to no enable thumb instructions. Although this kernel config 
is debatable whether is brings any gain to userland, it still a valid
one.

[1] https://sourceware.org/bugzilla/show_bug.cgi?id=23031