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

[Andy Lutomirski]

On Thu, Aug 13, 2015 at 11:19 AM, Stas Sergeev <stsp@xxxxxxx> wrote:

> It is more about selecting the right field for such a flag.
> You can select the right field now, and introduce some flag
> to it, like SIG_SAVE_SS or whatever. This will fix a regression.
> Then, when the TLS time will code, you'll just add SIG_SAVE_FS
> flag to the same field, so that they can be ORed.

Oh.

I think the field is obvious: uc_flags.  I also thing that all of the
saving should happen automatically, since I still don't see how
anything will break if the kernel starts saving more things.  It's the
restore part that's problematic.

--Andy

-- 
Andy Lutomirski
AMA Capital Management, LLC
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/