arm64: Add COMPAT_HWCAP_LPAE
authorCatalin Marinas <catalin.marinas@arm.com>
Mon, 17 Nov 2014 10:37:40 +0000 (10:37 +0000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 8 Jan 2015 18:27:46 +0000 (10:27 -0800)
commitab4a21c783152a31060f57201afc983e65ef94f8
tree07c829bbb3197cfcdfb739e3fbd1644aecc82c0c
parent8f10be7bc0649702ef3003f9f75ba8bcb1bdaed7
arm64: Add COMPAT_HWCAP_LPAE

commit 7d57511d2dba03a8046c8b428dd9192a4bfc1e73 upstream.

Commit a469abd0f868 (ARM: elf: add new hwcap for identifying atomic
ldrd/strd instructions) introduces HWCAP_ELF for 32-bit ARM
applications. As LPAE is always present on arm64, report the
corresponding compat HWCAP to user space.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
arch/arm64/include/asm/hwcap.h
arch/arm64/kernel/setup.c