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authorTony Lindgren <tony@atomide.com>2010-07-05 14:53:10 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2010-07-09 14:41:35 +0100
commitf159f4ed55bb0fa5470800641e03a13a7e0eae6e (patch)
treec2ed54b103c2a1c58fa4b50740fec462ccfeec74 /arch/arm/kernel/tcm.c
parentc1b2d9704c77ddaec46d5d681e1360ac40268743 (diff)
downloadlinux-f159f4ed55bb0fa5470800641e03a13a7e0eae6e.tar.bz2
ARM: 6207/1: Replace CONFIG_HAS_TLS_REG with HWCAP_TLS and check for it on V6
The TLS register is only available on ARM1136 r1p0 and later. Set HWCAP_TLS flags if hardware TLS is available and test for it if CONFIG_CPU_32v6K is not set for V6. Note that we set the TLS instruction in __kuser_get_tls dynamically as suggested by Jamie Lokier <jamie@shareable.org>. Also the __switch_to code is optimized out in most cases as suggested by Nicolas Pitre <nico@fluxnic.net>. Reviewed-by: Nicolas Pitre <nicolas.pitre@linaro.org> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/kernel/tcm.c')
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