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[23.128.96.35]) by mx.google.com with ESMTPS id ju14-20020a170903428e00b001ca529e3d29si9704135plb.168.2023.11.15.07.14.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 15 Nov 2023 07:14:26 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.35 as permitted sender) client-ip=23.128.96.35; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=VqsLQgjE; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.35 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by groat.vger.email (Postfix) with ESMTP id E3666802A001; Wed, 15 Nov 2023 07:14:19 -0800 (PST) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.11 at groat.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344381AbjKOPOF (ORCPT + 29 others); Wed, 15 Nov 2023 10:14:05 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34346 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344408AbjKOPOB (ORCPT ); Wed, 15 Nov 2023 10:14:01 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ABCEF19D for ; Wed, 15 Nov 2023 07:13:57 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1D79AC433C7; Wed, 15 Nov 2023 15:13:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1700061237; bh=UOpRDyfGB6Ea+Gq7xit84UByanxpLw9VApEKV8DKpcI=; h=From:To:Cc:Subject:Date:From; b=VqsLQgjEV3w5ae76flKoGmSiuEOcBZIPsOJx+P81m5AbEb9A/ANFBNEj6II1tTdEa wohdY4Dhqhy//XdqwM8lARz8nHsQ81jPqBteUzilgTV9lj+bcWhq9LI/aKOdX8ABuF kl8JngJMsXmi4oGcUheHKbHwZiU9lfxGM7vhBZCYUtcnHrFr/Vq1tEZfnLTjjSXZ4Y j42R+pOlehURj+3hOGLCGT1RkoFNKTl4q5VBy/7oCd+1yspuguEGtIRM96ZhbbL68P EH3g8YExYZ5PZ2X5TuntBizW0jYASbUZOnBW0P47fHDYz+Rbj7E5NEL1XpZdcDW5dN PSEjxLtMJMXhA== From: Frederic Weisbecker To: LKML Cc: Frederic Weisbecker , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , Peter Zijlstra , x86@kernel.org Subject: [PATCH 0/4] x86/cpuidle fixes and optimization Date: Wed, 15 Nov 2023 10:13:21 -0500 Message-ID: <20231115151325.6262-1-frederic@kernel.org> X-Mailer: git-send-email 2.42.1 MIME-Version: 1.0 X-Spam-Status: No, score=-1.3 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on groat.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (groat.vger.email [0.0.0.0]); Wed, 15 Nov 2023 07:14:20 -0800 (PST) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1782643443026783193 X-GMAIL-MSGID: 1782643443026783193 This is the x86 part of a cpuidle series I posted a few time ago. There is a fix by Peter (Not-yet-signed-off-by btw.), the rest is comment and optimizations. Frederic Weisbecker (3): x86: Add a comment about the "magic" behind shadow sti before mwait x86: Remove __current_clr_polling() from mwait_idle() x86: Remove the current_clr_polling() call upon mwait exit Peter Zijlstra (1): x86: Fix CPUIDLE_FLAG_IRQ_ENABLE leaking timer reprogram arch/x86/include/asm/mwait.h | 21 ++++++++++++++++++--- arch/x86/kernel/process.c | 1 - drivers/acpi/acpi_pad.c | 1 + drivers/idle/intel_idle.c | 19 +++++++------------ 4 files changed, 26 insertions(+), 16 deletions(-)