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authorJosh Poimboeuf <jpoimboe@redhat.com>2017-07-25 08:54:24 -0500
committerIngo Molnar <mingo@kernel.org>2017-07-26 14:05:36 +0200
commit81d387190039c14edac8de2b3ec789beb899afd9 (patch)
tree73d1c44e4b1b212457e9cea254ee7d69ccc4ba75 /arch/x86/configs
parenta34a766ff96d9e88572e35a45066279e40a85d84 (diff)
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x86/kconfig: Consolidate unwinders into multiple choice selection
There are three mutually exclusive unwinders. Make that more obvious by combining them into a multiple-choice selection: CONFIG_FRAME_POINTER_UNWINDER CONFIG_ORC_UNWINDER CONFIG_GUESS_UNWINDER (if CONFIG_EXPERT=y) Frame pointers are still the default (for now). The old CONFIG_FRAME_POINTER option is still used in some arch-independent places, so keep it around, but make it invisible to the user on x86 - it's now selected by CONFIG_FRAME_POINTER_UNWINDER=y. Suggested-by: Ingo Molnar <mingo@kernel.org> Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Gerst <brgerst@gmail.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Jiri Slaby <jslaby@suse.cz> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Mike Galbraith <efault@gmx.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: live-patching@vger.kernel.org Link: http://lkml.kernel.org/r/20170725135424.zukjmgpz3plf5pmt@treble Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/x86/configs')
-rw-r--r--arch/x86/configs/tiny.config2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/configs/tiny.config b/arch/x86/configs/tiny.config
index 4b429df40d7a..550cd5012b73 100644
--- a/arch/x86/configs/tiny.config
+++ b/arch/x86/configs/tiny.config
@@ -1,3 +1,5 @@
CONFIG_NOHIGHMEM=y
# CONFIG_HIGHMEM4G is not set
# CONFIG_HIGHMEM64G is not set
+CONFIG_GUESS_UNWINDER=y
+# CONFIG_FRAME_POINTER_UNWINDER is not set