diff options
Diffstat (limited to 'arch/arm/Kconfig')
| -rw-r--r-- | arch/arm/Kconfig | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index af00d12b4803..8041d312b8e2 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -1391,6 +1391,16 @@ config ARM_ERRATA_773022 loop buffer may deliver incorrect instructions. This workaround disables the loop buffer to avoid the erratum. +config ARM_ERRATA_814220 + bool "ARM errata: Cache maintenance by set/way operations can execute out of order" + depends on CPU_V7 + help + The v7 ARM states that all cache and branch predictor maintenance operations + that do not specify an address execute, relative to each other, in program order. + However, because of this erratum, an L2 set/way cache maintenance operation can + overtake an L1 set/way cache maintenance operation. This ERRATA only affected the + Cortex-A7 and present in r0p2, r0p3, r0p4, r0p5. + endmenu source "arch/arm/common/Kconfig" |