From: Will Deacon Date: Mon, 8 Apr 2013 16:13:12 +0000 (+0100) Subject: ARM: elf: add new hwcap for identifying atomic ldrd/strd instructions X-Git-Tag: omap-for-v3.11/fixes-for-merge-window~41^2^2~3^2 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a469abd0f868c902b75532579bf87553dcf1b360;p=pandora-kernel.git ARM: elf: add new hwcap for identifying atomic ldrd/strd instructions CPUs implementing LPAE have atomic ldrd/strd instructions, meaning that userspace software can avoid having to use the exclusive variants of these instructions if they wish. This patch advertises the atomicity of these instructions via the hwcaps, so userspace can detect this CPU feature. Reported-by: Vladimir Danushevsky Signed-off-by: Will Deacon --- Reading git-diff-tree failed