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.
Signed-off-by: Russell King <rmk+ker...@arm.linux.org.uk>
---
arch/arm/mm/Kconfig | 7 +++++--
1 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index 22a3f4a..29215f5 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -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.
--
1.6.2.5
--
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