Re: [RFC PATCH] ARM: UNWINDER_FRAME_POINTER implementation for Clang

From: Dave Martin
Date: Wed Aug 07 2019 - 06:29:44 EST


On Tue, Aug 06, 2019 at 02:29:16PM -0700, Nathan Huckleberry wrote:
> I'm not sure that we should disable a broken feature instead of
> attempting a fix.
>
> CONFIG_FUNCTION_GRAPH_TRACER is dependent on CONFIG_FRAME_POINTER and
> there have been reports by MediaTek that the frame pointer unwinder is
> faster in some cases.

Fair enough, just wanted to be sure we weren't doing something pointless.

[...]

Cheers
---Dave