diff options
| author | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-01-17 10:48:33 -0500 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-02-02 16:23:29 -0500 |
| commit | a41297a0ffb43fda0a565bdd3ee405d16505820c (patch) | |
| tree | e14def2f234317629e36ca0b8d7f916bfc4b8e5d /arch | |
| parent | 4ed67a53591db641543d57f31c182591a429dc93 (diff) | |
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')
| -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 7a5fe5d131dc..27ec471fb5bb 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig | |||
| @@ -7,7 +7,7 @@ config ARM | |||
| 7 | select HAVE_MEMBLOCK | 7 | select HAVE_MEMBLOCK |
| 8 | select RTC_LIB | 8 | select RTC_LIB |
| 9 | select SYS_SUPPORTS_APM_EMULATION | 9 | select SYS_SUPPORTS_APM_EMULATION |
| 10 | select GENERIC_ATOMIC64 if (!CPU_32v6K || !AEABI) | 10 | select GENERIC_ATOMIC64 if (CPU_V6 || !CPU_32v6K || !AEABI) |
| 11 | select HAVE_OPROFILE if (HAVE_PERF_EVENTS) | 11 | select HAVE_OPROFILE if (HAVE_PERF_EVENTS) |
| 12 | select HAVE_ARCH_KGDB | 12 | select HAVE_ARCH_KGDB |
| 13 | select HAVE_KPROBES if (!XIP_KERNEL && !THUMB2_KERNEL) | 13 | select HAVE_KPROBES if (!XIP_KERNEL && !THUMB2_KERNEL) |