From patchwork Tue Oct 30 17:19:23 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Paul E. McKenney" X-Patchwork-Id: 12613 Return-Path: X-Original-To: patchwork@peony.canonical.com Delivered-To: patchwork@peony.canonical.com Received: from fiordland.canonical.com (fiordland.canonical.com [91.189.94.145]) by peony.canonical.com (Postfix) with ESMTP id 33EC023F56 for ; Tue, 30 Oct 2012 17:32:16 +0000 (UTC) Received: from mail-ia0-f180.google.com (mail-ia0-f180.google.com [209.85.210.180]) by fiordland.canonical.com (Postfix) with ESMTP id D6B33A18EEB for ; Tue, 30 Oct 2012 17:32:15 +0000 (UTC) Received: by mail-ia0-f180.google.com with SMTP id f6so350395iag.11 for ; Tue, 30 Oct 2012 10:32:15 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=x-forwarded-to:x-forwarded-for:delivered-to:received-spf:from:to:cc :subject:date:message-id:x-mailer:in-reply-to:references :x-content-scanned:x-cbid:x-gm-message-state; bh=V20bYKusnZLtI1NtqvxqgjoRaRalvlCHrjVIFAsYlYM=; b=cPUeYEhl2bQqJk2Xy7NM+fdHVlaI1fFnwdrBniH77kS0HTRHgSfGe/NZ3KU43HkCM+ iAtMZcHvUPqXW1MfDpEZMJmidCdPQ753t7U4oC/VR3dRAECLOtOhg8V4NHuQK4tWe1kX KiTSQqeeK+RVU/LzGOWS56hS0asK1S1Bdr+kNdyRiotwf3LuqjRf58l6mXQ7IQx8O1bV wqFNmSC/DqUqUGhxz7STVto4AiZrMuGNllb6pSEHOcvNeUJfbRMuVTz0poNcRQhm9NDc lxctZUxudkcCxwnRUpk2ORKmijAJ50ZFUANAYsIRZJCbBWwhl6RHSYVEkXh/HYhoz/wg WEiA== Received: by 10.50.152.137 with SMTP id uy9mr2163947igb.62.1351618335584; Tue, 30 Oct 2012 10:32:15 -0700 (PDT) X-Forwarded-To: linaro-patchwork@canonical.com X-Forwarded-For: patch@linaro.org linaro-patchwork@canonical.com Delivered-To: patches@linaro.org Received: by 10.50.67.148 with SMTP id n20csp457666igt; Tue, 30 Oct 2012 10:32:15 -0700 (PDT) Received: by 10.50.214.66 with SMTP id ny2mr2226897igc.21.1351618335258; Tue, 30 Oct 2012 10:32:15 -0700 (PDT) Received: from e37.co.us.ibm.com (e37.co.us.ibm.com. [32.97.110.158]) by mx.google.com with ESMTPS id nu6si1324326icb.86.2012.10.30.10.32.15 (version=TLSv1/SSLv3 cipher=OTHER); Tue, 30 Oct 2012 10:32:15 -0700 (PDT) Received-SPF: pass (google.com: domain of paulmck@linux.vnet.ibm.com designates 32.97.110.158 as permitted sender) client-ip=32.97.110.158; Authentication-Results: mx.google.com; spf=pass (google.com: domain of paulmck@linux.vnet.ibm.com designates 32.97.110.158 as permitted sender) smtp.mail=paulmck@linux.vnet.ibm.com Received: from /spool/local by e37.co.us.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Tue, 30 Oct 2012 11:32:13 -0600 Received: from d03dlp01.boulder.ibm.com (9.17.202.177) by e37.co.us.ibm.com (192.168.1.137) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Tue, 30 Oct 2012 11:31:39 -0600 Received: from d03relay04.boulder.ibm.com (d03relay04.boulder.ibm.com [9.17.195.106]) by d03dlp01.boulder.ibm.com (Postfix) with ESMTP id CC8201FF0043 for ; Tue, 30 Oct 2012 11:31:36 -0600 (MDT) Received: from d03av01.boulder.ibm.com (d03av01.boulder.ibm.com [9.17.195.167]) by d03relay04.boulder.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id q9UHVaHr221906 for ; Tue, 30 Oct 2012 11:31:36 -0600 Received: from d03av01.boulder.ibm.com (loopback [127.0.0.1]) by d03av01.boulder.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id q9UHVYK2027238 for ; Tue, 30 Oct 2012 11:31:36 -0600 Received: from paulmck-ThinkPad-W500 (sig-9-49-139-14.mts.ibm.com [9.49.139.14]) by d03av01.boulder.ibm.com (8.14.4/8.13.1/NCO v10.0 AVin) with ESMTP id q9UHVXW5027097; Tue, 30 Oct 2012 11:31:33 -0600 Received: by paulmck-ThinkPad-W500 (Postfix, from userid 1000) id 3FDCCEBEED; Tue, 30 Oct 2012 10:19:25 -0700 (PDT) From: "Paul E. McKenney" To: linux-kernel@vger.kernel.org Cc: mingo@elte.hu, laijs@cn.fujitsu.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@polymtl.ca, josh@joshtriplett.org, niv@us.ibm.com, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, Valdis.Kletnieks@vt.edu, dhowells@redhat.com, edumazet@google.com, darren@dvhart.com, fweisbec@gmail.com, sbw@mit.edu, patches@linaro.org, Paul Gortmaker , "Paul E. McKenney" Subject: [PATCH tip/core/rcu 5/5] rcu: Wordsmith help text for RCU_USER_QS kernel parameter Date: Tue, 30 Oct 2012 10:19:23 -0700 Message-Id: <1351617563-28506-5-git-send-email-paulmck@linux.vnet.ibm.com> X-Mailer: git-send-email 1.7.8 In-Reply-To: <1351617563-28506-1-git-send-email-paulmck@linux.vnet.ibm.com> References: <20121030171906.GA27431@linux.vnet.ibm.com> <1351617563-28506-1-git-send-email-paulmck@linux.vnet.ibm.com> X-Content-Scanned: Fidelis XPS MAILER x-cbid: 12103017-7408-0000-0000-000009C5C622 X-Gm-Message-State: ALoCoQljc3W2GFljnyinykgX04kMqZMC5EBsSbHzcxyaogrtwNuISDyXjKaTNra3znEMsvgwpWDz From: Paul Gortmaker This commit adds a "try" missing from the end of the first paragraph of the RCU_USER_QS help text. [ paulmck: Also fix up the last paragraph a bit. ] Signed-off-by: Paul Gortmaker Signed-off-by: Paul E. McKenney --- init/Kconfig | 6 +++--- 1 files changed, 3 insertions(+), 3 deletions(-) diff --git a/init/Kconfig b/init/Kconfig index b63e798..ec62139 100644 --- a/init/Kconfig +++ b/init/Kconfig @@ -494,11 +494,11 @@ config RCU_USER_QS puts RCU in extended quiescent state when the CPU runs in userspace. It means that when a CPU runs in userspace, it is excluded from the global RCU state machine and thus doesn't - to keep the timer tick on for RCU. + try to keep the timer tick on for RCU. Unless you want to hack and help the development of the full - tickless feature, you shouldn't enable this option. It adds - unnecessary overhead. + tickless feature, you shouldn't enable this option. It also + adds unnecessary overhead. If unsure say N