[PATCH] ARM: force linker to use PIC veneers

Nicolas Pitre nicolas.pitre at linaro.org
Tue Mar 24 08:16:36 PDT 2015

On Tue, 24 Mar 2015, Ard Biesheuvel wrote:

> On 24 March 2015 at 13:22, Dave Martin <Dave.Martin at arm.com> wrote:
> > How many such veneers get added in the your kernel configuration, and
> > how many are actually necessary (i.e., calls between MMU-off code and
> > elsewhere)?
> >
> Very few. In addition to the example (which will be addressed in
> another way regardless) there are some resume functions that get
> allocated in .data, and those would need it as well.

What are they? I thought we removed all instances of those already.

> I have also proposed b_far/bl_far macros that could be used there as 
> well.

Could the automatic veneer insertion replace the unconditional 
b_far/bl_far usage?  The former would be preferable to the later.


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