diff options
Diffstat (limited to 'arch/arm/mm/Kconfig')
| -rw-r--r-- | arch/arm/mm/Kconfig | 19 |
1 files changed, 0 insertions, 19 deletions
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index c164cde50243..7b27ee9482b3 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -926,7 +926,6 @@ config VDSO default y if ARM_ARCH_TIMER select HAVE_GENERIC_VDSO select GENERIC_TIME_VSYSCALL - select GENERIC_VDSO_32 select GENERIC_GETTIMEOFDAY help Place in the process address space an ELF shared object @@ -937,24 +936,6 @@ config VDSO You must have glibc 2.22 or later for programs to seamlessly take advantage of this. -config DMA_CACHE_RWFO - bool "Enable read/write for ownership DMA cache maintenance" - depends on CPU_V6K && SMP - default y - help - The Snoop Control Unit on ARM11MPCore does not detect the - cache maintenance operations and the dma_{map,unmap}_area() - functions may leave stale cache entries on other CPUs. By - enabling this option, Read or Write For Ownership in the ARMv6 - DMA cache maintenance functions is performed. These LDR/STR - instructions change the cache line state to shared or modified - so that the cache operation has the desired effect. - - Note that the workaround is only valid on processors that do - not perform speculative loads into the D-cache. For such - processors, if cache maintenance operations are not broadcast - in hardware, other workarounds are needed (e.g. cache - maintenance broadcasting in software via FIQ). config OUTER_CACHE bool |
