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-rw-r--r--arch/arm/mm/Kconfig11
1 files changed, 6 insertions, 5 deletions
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index c348eaee7ee2..ae69809a9e47 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -669,7 +669,7 @@ config ARM_VIRT_EXT
details.
config SWP_EMULATE
- bool "Emulate SWP/SWPB instructions"
+ bool "Emulate SWP/SWPB instructions" if !SMP
depends on CPU_V7
default y if SMP
select HAVE_PROC_CPU if PROC_FS
@@ -854,7 +854,7 @@ config OUTER_CACHE_SYNC
config CACHE_FEROCEON_L2
bool "Enable the Feroceon L2 cache controller"
- depends on ARCH_KIRKWOOD || ARCH_MV78XX0 || ARCH_MVEBU
+ depends on ARCH_MV78XX0 || ARCH_MVEBU
default y
select OUTER_CACHE
help
@@ -907,8 +907,8 @@ config PL310_ERRATA_588369
They are architecturally defined to behave as the execution of a
clean operation followed immediately by an invalidate operation,
both performing to the same memory location. This functionality
- is not correctly implemented in PL310 as clean lines are not
- invalidated as a result of these operations.
+ is not correctly implemented in PL310 prior to r2p0 (fixed in r2p0)
+ as clean lines are not invalidated as a result of these operations.
config PL310_ERRATA_727915
bool "PL310 errata: Background Clean & Invalidate by Way operation can cause data corruption"
@@ -918,7 +918,8 @@ config PL310_ERRATA_727915
PL310 can handle normal accesses while it is in progress. Under very
rare circumstances, due to this erratum, write data can be lost when
PL310 treats a cacheable write transaction during a Clean &
- Invalidate by Way operation.
+ Invalidate by Way operation. Revisions prior to r3p1 are affected by
+ this errata (fixed in r3p1).
config PL310_ERRATA_753970
bool "PL310 errata: cache sync operation may be faulty"