Messages in this thread | | | From | Doug Anderson <> | Date | Tue, 25 May 2021 08:04:12 -0700 | Subject | Re: [PATCH 0/3] arm64: perf: Make compat tracing better |
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Catalin / Will,
On Fri, May 7, 2021 at 1:55 PM Douglas Anderson <dianders@chromium.org> wrote: > > The goal for this series is to improve "perf" behavior when 32-bit > userspace code is involved. This turns out to be fairly important for > Chrome OS which still runs 32-bit userspace for the time being (long > story there). > > I won't repeat everything said in the individual patches since since > they are wordy enough as it is. > > Please enjoy and I hope this isn't too ugly/hacky for inclusion in > mainline. > > Thanks to Nick Desaulniers for his early review of these patches and > to Ricky for the super early prototype that some of this is based on. > > > Douglas Anderson (3): > arm64: perf: perf_callchain_user() compat support for > clang/non-APCS-gcc-arm > arm64: perf: Improve compat perf_callchain_user() for clang leaf > functions > arm64: perf: Add a config option saying 32-bit thumb code uses R11 for > FP > > arch/arm64/Kconfig | 12 ++ > arch/arm64/kernel/perf_callchain.c | 329 +++++++++++++++++++++++++---- > 2 files changed, 305 insertions(+), 36 deletions(-)
While this isn't massively urgent, I'd like to confirm that this is on your plate to eventually review and/or land. If it's not, do you have any suggestions for how I should proceed?
Thanks!
-Doug
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