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[46.139.12.213]) by smtp.gmail.com with ESMTPSA id z14sm77427980wrv.78.2019.04.16.23.06.27 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 16 Apr 2019 23:06:27 -0700 (PDT) Date: Wed, 17 Apr 2019 08:06:25 +0200 From: Ingo Molnar To: Vince Weaver Cc: 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, linux-tip-commits@vger.kernel.org Subject: Re: [tip:perf/core] perf/x86/intel: Force resched when TFA sysctl is modified Message-ID: <20190417060625.GB97541@gmail.com> References: <20190408173252.37932-3-eranian@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Vince Weaver wrote: > 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? Heh, I wish! :-) > [...] 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. Yeah, it's the TSX-Force-Abort acronym - Intel has numbed our general dislike to random acrynyms ... Peter and me usually fix such changelog context omissions, but this one slipped through. :-/ The commit is too deep down perf/core already to rebase it just for the changelog, but if we are going to rebase it for some functional reason I'll take care of it next time around. TFA. (Thanks For your Assistance. :-) Ingo