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| author | Jeff Mahoney <jeffm@suse.com> | 2009-01-16 19:23:35 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-01-18 21:15:10 +0100 |
| commit | 64dec40ddee9d36d7b83f8a0513fdeaffe260a0e (patch) | |
| tree | 3f4e6d689c2b8d49fee7d06bcfbcdd55f9f829bd /lib | |
| parent | x86: fix assumed to be contiguous leaf page tables for kmap_atomic region (ta... (diff) | |
| download | linux-64dec40ddee9d36d7b83f8a0513fdeaffe260a0e.tar.xz linux-64dec40ddee9d36d7b83f8a0513fdeaffe260a0e.zip | |
x86: define ARCH_WANT_FRAME_POINTERS
Commit da4276b8299a6544dc41ac2485d3ffca5811b3fb changed a dependency
for FRAME_POINTER from X86 to ARCH_WANT_FRAME_POINTERS, but didn't
actually define it.
This patch adds the definition for ARCH_WANT_FRAME_POINTERS. Without it,
FRAME_POINTER can't be enabled on x86.
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/Kconfig.debug | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug index 4c9ae6085c75..d30561dda907 100644 --- a/lib/Kconfig.debug +++ b/lib/Kconfig.debug @@ -570,6 +570,15 @@ config DEBUG_NOTIFIERS This is a relatively cheap check but if you care about maximum performance, say N. +# +# Select this config option from the architecture Kconfig, if it +# it is preferred to always offer frame pointers as a config +# option on the architecture (regardless of KERNEL_DEBUG): +# +config ARCH_WANT_FRAME_POINTERS + bool + help + config FRAME_POINTER bool "Compile the kernel with frame pointers" depends on DEBUG_KERNEL && \ |