On Tue, Jan 10, 2017 at 05:30:48PM +0000, Ard Biesheuvel wrote: > > Apologies for introducing this breakage. It seemed like an obvious and > simple cleanup, so I didn't even bother to mention it in the commit > log, but if the kernel does not guarantee 16 byte alignment, I guess > we should revert to the old method. If SSE instructions are the only > ones that require this alignment, then I suppose not having a ABI > conforming stack pointer should not be an issue in general.
I think we need to address this regardless of your patch. You won't be the last person to use __attribute__ to get 16-byte alignment on the stack. 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
