Re: [PATCH] x86: do not expose CONFIG_BSWAP to userspace

From: H. Peter Anvin
Date: Wed Jan 28 2009 - 19:32:12 EST


Harvey Harrison wrote:
On Wed, 2009-01-28 at 15:27 -0800, H. Peter Anvin wrote:
Harvey Harrison wrote:
Well, that's unfortunate, how about we just export the BSWAP version
unconditionally and hope pure i386 just goes away someday?

Well, we already have MOVBE coming up, too...


Is someone already working on an __arch_swab{16|32|64}p to use them?


Not that I know of, but it's trivial enough. They can also be used for all-register swapping, too, with the advantage that you get register decoupling.

-hpa
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