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From: Richard Henderson <rth@twiddle.net>
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Date: Wed, 19 Jul 2017 11:52:51 -1000
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Subject: Re: [Qemu-devel] [PULL 0/8] target/alpha cleanups
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To: Peter Maydell <peter.maydell@linaro.org>
Cc: QEMU Developers <qemu-devel@nongnu.org>, Paolo Bonzini <pbonzini@redhat.com>

On 07/19/2017 06:57 AM, Peter Maydell wrote:
> On 19 July 2017 at 05:45, Richard Henderson <rth@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?


r~