diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/Kconfig | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/arch/Kconfig b/arch/Kconfig index 7b861fe3f900..48b5e103bdb0 100644 --- a/arch/Kconfig +++ b/arch/Kconfig @@ -72,11 +72,11 @@ config KPROBES If in doubt, say "N". config JUMP_LABEL - bool "Optimize very unlikely/likely branches" - depends on HAVE_ARCH_JUMP_LABEL - depends on CC_HAS_ASM_GOTO - help - This option enables a transparent branch optimization that + bool "Optimize very unlikely/likely branches" + depends on HAVE_ARCH_JUMP_LABEL + depends on CC_HAS_ASM_GOTO + help + This option enables a transparent branch optimization that makes certain almost-always-true or almost-always-false branch conditions even cheaper to execute within the kernel. @@ -84,7 +84,7 @@ config JUMP_LABEL scheduler functionality, networking code and KVM have such branches and include support for this optimization technique. - If it is detected that the compiler has support for "asm goto", + If it is detected that the compiler has support for "asm goto", the kernel will compile such branches with just a nop instruction. When the condition flag is toggled to true, the nop will be converted to a jump instruction to execute the @@ -151,8 +151,8 @@ config HAVE_EFFICIENT_UNALIGNED_ACCESS information on the topic of unaligned memory accesses. config ARCH_USE_BUILTIN_BSWAP - bool - help + bool + help Modern versions of GCC (since 4.4) have builtin functions for handling byte-swapping. Using these, instead of the old inline assembler that the architecture code provides in the @@ -221,10 +221,10 @@ config HAVE_DMA_CONTIGUOUS bool config GENERIC_SMP_IDLE_THREAD - bool + bool config GENERIC_IDLE_POLL_SETUP - bool + bool config ARCH_HAS_FORTIFY_SOURCE bool @@ -257,7 +257,7 @@ config ARCH_HAS_UNCACHED_SEGMENT # Select if arch init_task must go in the __init_task_data section config ARCH_TASK_STRUCT_ON_STACK - bool + bool # Select if arch has its private alloc_task_struct() function config ARCH_TASK_STRUCT_ALLOCATOR |