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Re: [PATCH] Export AT_HWCAP from libc, v4
- From: David Miller <davem at davemloft dot net>
- To: rth at redhat dot com
- Cc: libc-alpha at sourceware dot org, aj at suse dot com, ryan dot arnold at gmail dot com
- Date: Thu, 17 May 2012 15:43:18 -0400 (EDT)
- Subject: Re: [PATCH] Export AT_HWCAP from libc, v4
- References: <4FB52B02.1060809@redhat.com>
From: Richard Henderson <rth@redhat.com>
Date: Thu, 17 May 2012 09:44:50 -0700
> I'm just about convinced it's much more useful to extend Dave's Sparc
> IFUNC trick to "all" targets. I will attempt to measure this overhead
> before I formally propose such a patch.
If you do this, I would suggest passing the hwcaps as a uint64_t. I
already know that on sparc I'm very likely to have more than 32 hwcap
bits very soon :-/