On 19 July 2017 at 22:52, Richard Henderson <r...@twiddle.net> wrote: > On 07/19/2017 06:57 AM, Peter Maydell wrote: >> >> On 19 July 2017 at 05:45, Richard Henderson <r...@twiddle.net> wrote: >>> >>> The new title holder for perf top is helper_lookup_tb_ptr. >>> Those targets that have a complicated cpu_get_tb_cpu_state >>> function are going to regret that. >> >> >> Yeah, Paolo's pointed out (and had some patches for) >> ARM's rather complicated cpu_get_tb_cpu_state(). My >> issue with his suggested fixes was that they were >> pretty fragile in terms of not having any guarantee >> that the change always produced the right tb cpu >> state flags answer... > > > Oh? I must have missed seeing this one. > A quick patchwork search doesn't pull it up; > do either of you have a link?
It was back in September: https://lists.gnu.org/archive/html/qemu-devel/2016-09/msg03133.html thanks -- PMM