RELEASE BLOCKER: Linux doesn't follow x86/x86-64 ABI wrt direction flag

[Joe Buck]

On Wed, 5 Mar 2008, Jan Hubicka wrote:
> > Linux kernel is disabling red zone and use kernel code model, yet the 
> > ABI is not going to be adjusted for that.
> > 
> > This is resonably easy to fix on kernel side in signal handling, or by
> > removing std usage completely

On Wed, Mar 05, 2008 at 10:02:07PM +0100, Michael Matz wrote:
> That is true.  But it requires updating the kernel to a fixed one if you 
> want to run your programs compiled by 4.3 :-/  Not something we'd like to 
> demand.

I changed the title just for emphasis.

I think that we can't ship 4.3.0 if signal handlers on x86/x86_64
platforms for both Linux and BSD systems will mysteriously (to the users)
fail, and it doesn't matter whose fault it is.


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