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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 18:50:36 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-18 18:50:36 +0000 |
| commit | 50ba0232fd5312410f1b65247e774244f89a628e (patch) | |
| tree | fd8f2fc78e9e548af0ff9590276602ee6125be00 /arch/arm/mm/Kconfig | |
| parent | Releasing progress-linux version 6.7.12-1~progress7.99u1. (diff) | |
| download | linux-50ba0232fd5312410f1b65247e774244f89a628e.tar.xz linux-50ba0232fd5312410f1b65247e774244f89a628e.zip | |
Merging upstream version 6.8.9.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/mm/Kconfig')
| -rw-r--r-- | arch/arm/mm/Kconfig | 18 |
1 files changed, 0 insertions, 18 deletions
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index c164cde502..2b6f50dd54 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -937,24 +937,6 @@ 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 |