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| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-01-17 15:48:33 (GMT) |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-02-02 21:23:29 (GMT) |
| commit | a41297a0ffb43fda0a565bdd3ee405d16505820c (patch) | |
| tree | e14def2f234317629e36ca0b8d7f916bfc4b8e5d /arch/arm/Kconfig | |
| parent | 4ed67a53591db641543d57f31c182591a429dc93 (diff) | |
| download | linux-a41297a0ffb43fda0a565bdd3ee405d16505820c.tar.xz | |
ARM: v6k: select generic atomic64 code according to V6 variants
If CONFIG_CPU_V6 is enabled, avoid using the double-word exclusive
instructions in the kernel's atomic implementations as these are not
supported. Fall back to the generic spinlock code instead.
Acked-by: Tony Lindgren <tony@atomide.com>
Acked-by: Will Deacon <will.deacon@arm.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>
Diffstat (limited to 'arch/arm/Kconfig')
| -rw-r--r-- | arch/arm/Kconfig | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 7a5fe5d..27ec471 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -7,7 +7,7 @@ config ARM select HAVE_MEMBLOCK select RTC_LIB select SYS_SUPPORTS_APM_EMULATION - select GENERIC_ATOMIC64 if (!CPU_32v6K || !AEABI) + select GENERIC_ATOMIC64 if (CPU_V6 || !CPU_32v6K || !AEABI) select HAVE_OPROFILE if (HAVE_PERF_EVENTS) select HAVE_ARCH_KGDB select HAVE_KPROBES if (!XIP_KERNEL && !THUMB2_KERNEL) |