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[130.111.218.23]) by smtp.gmail.com with ESMTPSA id 46sm37538023qtz.87.2019.04.16.09.28.03 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 16 Apr 2019 09:28:04 -0700 (PDT) From: Vince Weaver X-Google-Original-From: Vince Weaver Date: Tue, 16 Apr 2019 12:28:00 -0400 (EDT) X-X-Sender: vince@macbook-air To: vincent.weaver@maine.edu, mingo@kernel.org, eranian@google.com, peterz@infradead.org, alexander.shishkin@linux.intel.com, acme@redhat.com, hpa@zytor.com, torvalds@linux-foundation.org, tglx@linutronix.de, linux-kernel@vger.kernel.org, jolsa@redhat.com cc: linux-tip-commits@vger.kernel.org Subject: Re: [tip:perf/core] perf/x86/intel: Force resched when TFA sysctl is modified In-Reply-To: Message-ID: References: <20190408173252.37932-3-eranian@google.com> User-Agent: Alpine 2.21 (DEB 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, 16 Apr 2019, tip-bot for Stephane Eranian wrote: > Commit-ID: f447e4eb3ad1e60d173ca997fcb2ef2a66f12574 > Gitweb: https://git.kernel.org/tip/f447e4eb3ad1e60d173ca997fcb2ef2a66f12574 > Author: Stephane Eranian > AuthorDate: Mon, 8 Apr 2019 10:32:52 -0700 > Committer: Ingo Molnar > 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