x86/unwind: Make CONFIG_UNWINDER_ORC=y the default in kconfig for 64-bit

The ORC unwinder has been stable in testing so far.  Given its benefits,
make it the default in kconfig for x86_64.  It's not yet supported for
32-bit, so leave frame pointers as the default there.

Suggested-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
1 file changed