On Tue, 12 Mar 2024 13:42:28 +0000 Mark Rutland <mark.rutl...@arm.com> wrote:
> > It would be interesting to see how the per-call performance would > > improve on x86 with CALL_OPS! ;-) > > Heh. ;) But this would require adding -fpatchable-function-entry on x86, which would increase the size of text, which could possibly have a performance regression when tracing is disabled. I'd have no problem if someone were to implement it, but there's a strict requirement that it does not slow down the system when tracing is disabled. As tracing is a second class citizen compared to the rest of the kernel. -- Steve
