Hello Steven, On Fri, Jan 09, 2026 at 02:50:22PM -0500, Steven Rostedt wrote: > [ Resending with my kernel.org email, as I received a bunch of messages from > gmail saying it's blocking me :-p ] > > 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?
How to do the audit in this case? I suppose we want to disable branch profiling for files that have any function that would eventually call noinstr functions, right?
