linux-kernel - Re: [PATCH V2] perf/x86/intel: Apply mid ACK for small core

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Message-ID: <7bc98060-f22a-27f8-1bbb-bceda58319a7@linux.intel.com>
Date:   Tue, 3 Aug 2021 11:00:07 -0700
From:   Andi Kleen <ak@...ux.intel.com>
To:     "Liang, Kan" <kan.liang@...ux.intel.com>,
        Peter Zijlstra <peterz@...radead.org>
Cc:     mingo@...hat.com, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org
Subject: Re: [PATCH V2] perf/x86/intel: Apply mid ACK for small core


>> Any chance that would also work for the chips that now use late_ack?
>>
>
> Let me check and do some tests.


I suspect we won't be able to test all, so we'll probably have to keep 
all three options.


-Andi