Re: [PATCH v8 09/21] x86/paravirt: Align paravirt thunk functions at 16-byte boundaries
From: Andy Lutomirski
Date: Tue Jul 28 2015 - 11:23:32 EST
On Tue, Jul 28, 2015 at 7:47 AM, Josh Poimboeuf <jpoimboe@xxxxxxxxxx> wrote:
> Paravirt thunk functions aren't aligned, which can impact performance
> and is inconsistent with gcc-generated functions.
>
> Align them at 16-byte boundaries to be consistent with gcc functions.
IMO stackvalidate shouldn't warn about this. We've discussed dropping
the alignment requirement entirely, since it seems to have little
benefit on modern CPUs.
--Andy
--
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/