[lkml]   [2014]   [Feb]   [27]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
Messages in this thread
SubjectRe: Fwd: [RFC][PATCH] staging: Fix build issues with new binder API
On Wednesday 26 February 2014, John Stultz wrote:
> The new 64bit binder API causes build issues on 32bit ARM
> due to the lack of 64bit __get_user_asm_* implementation.

It is impossible to implement this. Many have tried before.

> Until that implementation is done, remove the choice for
> 32bit ARM, automatically enabling the old 32bit binder
> protocol.
> This can be reverted once a 64bit __get_user_asm_*
> implementation is merged.

I think the best solution is to use __copy_from_user for
the 64-bit access. You can wrap it in a helper function
if you want to speed up the native-word-size case.


 \ /
  Last update: 2014-02-27 21:01    [W:0.061 / U:44.640 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site