[PATCH 09/14] ARM: v6k: select generic atomic64 code according to V6 variants
From: Russell King - ARM Linux <hidden>
Date: 2011-01-17 19:24:03
Also in:
linux-omap
Subsystem:
arm port, the rest · Maintainers:
Russell King, Linus Torvalds
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. Signed-off-by: Russell King <redacted> --- arch/arm/Kconfig | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 95ba92f..283d7b9 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)
--
1.6.2.5