x86/stacktrace: update kconfig help text for reliable unwinders
authorJoe Lawrence <joe.lawrence@redhat.com>
Thu, 7 Nov 2019 03:29:58 +0000 (22:29 -0500)
committerPetr Mladek <pmladek@suse.com>
Thu, 7 Nov 2019 14:48:18 +0000 (15:48 +0100)
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.

Link: http://lkml.kernel.org/r/20191107032958.14034-1-joe.lawrence@redhat.com
To: linux-kernel@vger.kernel.org
To: live-patching@vger.kernel.org
Signed-off-by: Joe Lawrence <joe.lawrence@redhat.com>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Acked-by: Miroslav Benes <mbenes@suse.cz>
Reviewed-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Signed-off-by: Petr Mladek <pmladek@suse.com>
arch/x86/Kconfig.debug

index bf9cd83de7773087951ad22dcafba77dba9b54f8..409c00f74e608c455620950aa9b6caa8da3568d7 100644 (file)
@@ -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