diff options
Diffstat (limited to 'arch/x86/Kconfig.debug')
| -rw-r--r-- | arch/x86/Kconfig.debug | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug index dc10ec6ead6e..268a318f9439 100644 --- a/arch/x86/Kconfig.debug +++ b/arch/x86/Kconfig.debug @@ -357,7 +357,7 @@ config PUNIT_ATOM_DEBUG config ORC_UNWINDER bool "ORC unwinder" - depends on X86_64 + depends on X86_64 && !FRAME_POINTER select STACK_VALIDATION ---help--- This option enables the ORC (Oops Rewind Capability) unwinder for @@ -365,9 +365,8 @@ config ORC_UNWINDER a simplified version of the DWARF Call Frame Information standard. This unwinder is more accurate across interrupt entry frames than the - frame pointer unwinder. It can also enable a 5-10% performance - improvement across the entire kernel if CONFIG_FRAME_POINTER is - disabled. + frame pointer unwinder. It also enables a 5-10% performance + improvement across the entire kernel compared to frame pointers. Enabling this option will increase the kernel's runtime memory usage by roughly 2-4MB, depending on your kernel config. |