On Mon, 5 Jan 2026 21:15:40 +0000
Will Deacon <[email protected]> wrote:
> > Another approach is to disable profiling on all arch/arm64 code, similarly
> > to
> > x86, where DISABLE_BRANCH_PROFILING is called for all arch/x86 code. See
> > commit 2cbb20b008dba ("tracing: Disable branch profiling in noinstr
> > code").
>
> Yes, let's start with arch/arm64/. We know that's safe and then if
> somebody wants to make it finer-grained, it's on them to figure out a
> way to do it without playing whack-a-mole.
OK, so by adding -DDISABLE_BRANCH_PROFILING to the Makefile configs and for
the files that were audited, could be opt-in?
CFLAGS_REMOVE_<autdit_file>.o = -DDISABLE_BRANCH_PROFILING
And add that for each file that has been fully audited?
-- Steve