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From: | Richard Henderson |
Subject: | Re: [Qemu-devel] [PULL 0/8] target/alpha cleanups |
Date: | Wed, 19 Jul 2017 11:52:51 -1000 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.1 |
On 07/19/2017 06:57 AM, Peter Maydell wrote:
On 19 July 2017 at 05:45, Richard Henderson <address@hidden> 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~
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