Re: [PATCH] bitmap_equal memcmp optimization for s390

[David Howells]

Martin Schwidefsky <schwidefsky@xxxxxxxxxx> wrote:

> I hesitate to put another CONFIG_S390 into common code, alternatively
> __HAVE_ARCH_MEMCMP could be used. There are 7 architectures with the
> define: arc, arm64, blackfin, frv, powerpc, s390 and sparc.
> Of those I guess only powerpc, s390 and sparc will have configs with
> (NR_CPUS > BITS_PER_LONG). For (NR_CPUS <= BITS_PER_LONG) the xor
> optimization is used.

FRV doesn't have __HAVE_ARCH_MEMCMP for __KERNEL__.

David