On Sun, Feb 16, 2014 at 01:27:50PM -0800, Matt Thomas wrote:
> > An alternative would be to place the FP save area at the start of the uarea.
> > This would mean that, on stack overflow, the FP save area would be trashed
> > before some random piece of memory.
> > It might even be worth putting the
On Sun, Feb 16, 2014 at 09:41:08PM +, David Laight wrote:
> I'm adding code to i386 and amd64 to save the ymm registers on process
> switch - allowing userspace to use the AVX instructions.
> [ensuing crap about the u area]
Why put it in the u area at all? It's a legacy concept of little
co
On Mon, Feb 17, 2014 at 06:39:26PM +, David Holland wrote:
> On Sun, Feb 16, 2014 at 09:41:08PM +, David Laight wrote:
> > I'm adding code to i386 and amd64 to save the ymm registers on process
> > switch - allowing userspace to use the AVX instructions.
> > [ensuing crap about the u are
