On Tue, Jan 10, 2017 at 09:05:28AM -0800, Linus Torvalds wrote:
> On Tue, Jan 10, 2017 at 6:39 AM, Herbert Xu <herb...@gondor.apana.org.au> 
> wrote:
> >
> > BTW this is with Debian gcc 4.7.2 which does not allow an 8-byte
> > stack alignment as attempted by the Makefile:
> 
> I'm pretty sure we have random asm code that may not maintain a
> 16-byte stack alignment when it calls other code (including, in some
> cases, calling C code).
> 
> So I'm not at all convinced that this is a good idea. We shouldn't
> expect 16-byte alignment to be something trustworthy.

Well the only other alternative I see is to ban compilers which
enforce 16-byte stack alignment, such as gcc 4.7.2.  Or is there
another way?

Cheers,
-- 
Email: Herbert Xu <herb...@gondor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
--
To unsubscribe from this list: send the line "unsubscribe linux-crypto" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to