On Wed, Nov 06, 2019 at 10:29:58PM -0500, Joe Lawrence wrote:
> 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@xxxxxxxxxx>
> ---
>
> 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
>
Acked-by: Josh Poimboeuf <jpoimboe@xxxxxxxxxx>
--
Josh
