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Diffstat (limited to 'arch/arm/Kconfig')
| -rw-r--r-- | arch/arm/Kconfig | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 1b7bd01061..3555b4ee53 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -352,6 +352,13 @@ menu "ARM specific settings" config ARM_OPTIMZED_STRING_FUNCTIONS bool "use assembler optimized string functions" + # + # memset() and memcpy() in arm/lib64/mem[set|cpy].S are + # written with assumption of enabled MMU and cache. Depending + # on the inputs in may fail with Alignement exception if used + # without MMU + # + depends on !CPU_V8 || MMU help Say yes here to use assembler optimized memcpy / memset functions. These functions work much faster than the normal versions but |