Messages in this thread Patch in this message | ![/](/images/icornerl.gif) | | From | Joe Lawrence <> | Subject | [PATCH v2] x86/stacktrace: update kconfig help text for reliable unwinders | Date | Wed, 6 Nov 2019 22:29:58 -0500 |
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commit 6415b38bae26 ("x86/stacktrace: Enable HAVE_RELIABLE_STACKTRACE for the ORC unwinder") added the ORC unwinder as a "reliable" unwinder. Update the help text to reflect that change: the frame pointer unwinder is no longer the only one that can provide HAVE_RELIABLE_STACKTRACE.
Signed-off-by: Joe Lawrence <joe.lawrence@redhat.com> ---
v2: dropped hunk that added unnecessary text to UNWIND_GUESS
arch/x86/Kconfig.debug | 4 ---- 1 file changed, 4 deletions(-)
diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug index bf9cd83de777..409c00f74e60 100644 --- a/arch/x86/Kconfig.debug +++ b/arch/x86/Kconfig.debug @@ -316,10 +316,6 @@ config UNWINDER_FRAME_POINTER unwinder, but the kernel text size will grow by ~3% and the kernel's overall performance will degrade by roughly 5-10%. - This option is recommended if you want to use the livepatch - consistency model, as this is currently the only way to get a - reliable stack trace (CONFIG_HAVE_RELIABLE_STACKTRACE). - config UNWINDER_GUESS bool "Guess unwinder" depends on EXPERT -- 2.21.0
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