Re: [regression] x86/signal/64: Fix SS handling for signals delivered to 64-bit programs breaks dosemu

From: Cyrill Gorcunov
Date: Fri Aug 14 2015 - 06:53:27 EST

On Fri, Aug 14, 2015 at 01:02:14PM +0300, Pavel Emelyanov wrote:
> > IOW we've been not setting up __pad0 which became ss
> > inside the kernel (in result we've been passing 0 here,
> > which caused the problem).
> >
> > fwiw, we declare that new criu versions may require new
> > kernels to work but never promised that new criu gonna
> > be compatible with old kernels.
> We did. Kernel 3.11 is still declared as supported (modulo new stuff
> we added after 1.0 might not work, but basic sigframe mgmt is not one
> of those "new" things).

This won't last forever. And I think it's pretty normal to require
a new criu version for new kernel.

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