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ARM: v6k: use CPU domain feature if we include support for arch < ARMv6K

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Rather than turning off CPU domain switching when the build architecture
includes ARMv6K, thereby causing problems for ARMv6-supporting kernels,
turn it on when it's required to support a CPU architecture.

Acked-by: Nicolas Pitre <nicolas.pitre@linaro.org>
Acked-by: Tony Lindgren <tony@atomide.com>
Tested-by: Sourav Poddar <sourav.poddar@ti.com>
Tested-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King 2011-01-17 15:53:56 +00:00
parent 37bc618fe2
commit 8762df4d5c
1 changed files with 5 additions and 2 deletions
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7
arch/arm/mm/Kconfig
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@ -435,25 +435,30 @@ config CPU_32v3
bool
select TLS_REG_EMUL if SMP || !MMU
select NEEDS_SYSCALL_FOR_CMPXCHG if SMP
select CPU_USE_DOMAINS if MMU
config CPU_32v4
bool
select TLS_REG_EMUL if SMP || !MMU
select NEEDS_SYSCALL_FOR_CMPXCHG if SMP
select CPU_USE_DOMAINS if MMU
config CPU_32v4T
bool
select TLS_REG_EMUL if SMP || !MMU
select NEEDS_SYSCALL_FOR_CMPXCHG if SMP
select CPU_USE_DOMAINS if MMU
config CPU_32v5
bool
select TLS_REG_EMUL if SMP || !MMU
select NEEDS_SYSCALL_FOR_CMPXCHG if SMP
select CPU_USE_DOMAINS if MMU
config CPU_32v6
bool
select TLS_REG_EMUL if !CPU_32v6K && !MMU
select CPU_USE_DOMAINS if CPU_V6 && MMU
config CPU_32v6K
bool "Support ARM V6K processor extensions" if !SMP
@ -620,8 +625,6 @@ config CPU_CP15_MPU
config CPU_USE_DOMAINS
bool
depends on MMU
default y if !CPU_32v6K
help
This option enables or disables the use of domain switching
via the set_fs() function.