[RFC/PATCH] ARM: VDSO support

[Joseph Myers]

On Tue, 7 Apr 2015, Adhemerval Zanella wrote:

> On 07-04-2015 13:46, Joseph Myers wrote:
> > On Fri, 3 Apr 2015, Nathan Lynch wrote:
> >
> >> This patch adds support for the ARM VDSO to glibc.  I have run make
> >> check on OMAP5 using kernels with and without the VDSO, with no new
> >> failures.
> > How does this compare to the implementations for other architectures?  
> > What are the points on which the VDSO interfaces vary between 
> > architectures?  It would seem desirable for the code to be factored so 
> > that the ARM code only contains the minimal set of things that are 
> > necessarily ARM-specific (for example, just declaring the ARM-specific 
> > choices before including architecture-independent files shared by all 
> > architectures that can get these functions from a VDSO).
> >
> I see the factoring work being another subsequent patch that should not
> impede the inclusion of proposed modification. 

I see it as a preparatory cleanup that is (unlike the main change) not 
blocked on the kernel changes getting into kernel.org sources.

-- 
Joseph S. Myers
joseph@codesourcery.com