On Tue, 11 Feb 2020 at 19:42, Richard Henderson <richard.hender...@linaro.org> wrote: > > For the purpose of rebuild_hflags_a64, we do not need to compute > all of the va parameters, only tbi. Moreover, we can compute them > in a form that is more useful to storing in hflags. > > This eliminates the need for aa64_va_parameter_both, so fold that > in to aa64_va_parameter. The remaining calls to aa64_va_parameter > are in get_phys_addr_lpae and in pauth_helper.c. > > This reduces the total cpu consumption of aa64_va_parameter in a > kernel boot plus a kvm guest kernel boot from 3% to 0.5%. > > Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
Reviewed-by: Peter Maydell <peter.mayd...@linaro.org> thanks -- PMM