On Fri, 19 Jul 2024 at 02:08, Richard Henderson <richard.hender...@linaro.org> wrote: > > Mark the reserve_addr check unlikely. Use tlb_vaddr_to_host > instead of probe_write, relying on the memset itself to test > for page writability. Use set/clear_helper_retaddr so that > we can properly unwind on segfault. > > With this, a trivial loop around guest memset will spend > nearly 50% of runtime within helper_dcbz and host memset.
I find this a bit difficult to interpret -- maybe add what it was before (presumably spending too much time somewhere else) ? > > Signed-off-by: Richard Henderson <richard.hender...@linaro.org> Reviewed-by: Peter Maydell <peter.mayd...@linaro.org> thanks -- PMM