[GIT PULL] ARM: convert VFP exception handling to C code

Russell King (Oracle) linux at armlinux.org.uk
Wed Jul 19 03:17:58 PDT 2023


On Wed, Jul 19, 2023 at 12:15:10PM +0200, Ard Biesheuvel wrote:
> On Mon, 22 May 2023 at 10:03, Ard Biesheuvel <ardb at kernel.org> wrote:
> >
> > Hello Russell,
> >
> > This pull request covers the outstanding changes related to VFP exception
> > handling that I implemented on top of the VFP-in-softirq policy change and
> > subsequent fixes. The code changes are identical to the v2 series [0].
> >
> > With these changes applied, only FPE related undef exceptions are dispatched in
> > the old way. Everything else is handled using undef hooks, with all logic
> > implemented in C.
> >
> > I have tested this on a variety of platforms, including Cortex-A8 (using kernel
> > mode NEON) and the original Raspberry Pi (which relies on VFP bouncing), as
> > well as a host of platforms used in KernelCI [1]. All encountered issues have
> > been fixed. One notable configuration that I have not been able to test is FPE,
> > as it implies a OABI user space, which I don't have access to.
> >
> > Please pull.
> >
> 
> Ping?

I pulled it before heading away on holiday:

http://git.armlinux.org.uk/cgit/linux-arm.git/log/?h=devel-stable

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