linux-kernel - Re: [tip:perf/core] perf/x86/intel: Force resched when TFA sysctl is modified

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Message-ID: <alpine.DEB.2.21.1904161227001.20764@macbook-air>
Date:   Tue, 16 Apr 2019 12:28:00 -0400 (EDT)
From:   Vince Weaver <vincent.weaver@...ne.edu>
To:     vincent.weaver@...ne.edu, mingo@...nel.org, eranian@...gle.com,
        peterz@...radead.org, alexander.shishkin@...ux.intel.com,
        acme@...hat.com, hpa@...or.com, torvalds@...ux-foundation.org,
        tglx@...utronix.de, linux-kernel@...r.kernel.org, jolsa@...hat.com
cc:     linux-tip-commits@...r.kernel.org
Subject: Re: [tip:perf/core] perf/x86/intel: Force resched when TFA sysctl
 is modified

On Tue, 16 Apr 2019, tip-bot for Stephane Eranian wrote:

> Commit-ID:  f447e4eb3ad1e60d173ca997fcb2ef2a66f12574
> Gitweb:     https://git.kernel.org/tip/f447e4eb3ad1e60d173ca997fcb2ef2a66f12574
> Author:     Stephane Eranian <eranian@...gle.com>
> AuthorDate: Mon, 8 Apr 2019 10:32:52 -0700
> Committer:  Ingo Molnar <mingo@...nel.org>
> CommitDate: Tue, 16 Apr 2019 12:19:35 +0200
> 
> perf/x86/intel: Force resched when TFA sysctl is modified

What's TFA?  Tuna-fish-alarm?  Nowhere in the commit or in the code does 
it ever say what a TFA is or why we'd want to resched when it is modified.

Vince