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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2025-04-15 13:00:52 +0300
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2025-04-17 18:54:44 +0300
commit75da043d8f880bde8616fd81638c4e2cdb186a08 (patch)
treedfffa2e8abadda576e5cdc9f58fae1861aa89184 /tools/perf/scripts/python/libxed.py
parent79443a7e9da3c9f68290a8653837e23aba0fa89f (diff)
downloadlinux-75da043d8f880bde8616fd81638c4e2cdb186a08.tar.xz
cpufreq/sched: Set need_freq_update in ignore_dl_rate_limit()
Notice that ignore_dl_rate_limit() need not piggy back on the limits_changed handling to achieve its goal (which is to enforce a frequency update before its due time). Namely, if sugov_should_update_freq() is updated to check sg_policy->need_freq_update and return 'true' if it is set when sg_policy->limits_changed is not set, ignore_dl_rate_limit() may set the former directly instead of setting the latter, so it can avoid hitting the memory barrier in sugov_should_update_freq(). Update the code accordingly. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Reviewed-by: Christian Loehle <christian.loehle@arm.com> Link: https://patch.msgid.link/10666429.nUPlyArG6x@rjwysocki.net
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