From nobody Tue Dec 30 14:33:36 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 12C57C072A2 for ; Wed, 15 Nov 2023 15:14:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1344505AbjKOPOU (ORCPT ); Wed, 15 Nov 2023 10:14:20 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55396 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344461AbjKOPOI (ORCPT ); Wed, 15 Nov 2023 10:14:08 -0500 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3967919F for ; Wed, 15 Nov 2023 07:14:06 -0800 (PST) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4D18EC433C9; Wed, 15 Nov 2023 15:14:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1700061245; bh=FusWax7dBGiMSsQErHycJtFZnQRX1tPbGgeRj6wuVTc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bLxROmPDxBB6f9W3KC+aeY3ToBV7kGUt66qKwhArVFuIVl87ae+RbGrQ74Ga8mVV3 M/lVlVMjqtzBH4RnCGlTlUqbhkdg8LAH9b1rr2R4MrF8J7gRa9gaPT1YcUm1AE1WDZ IhOLJpdDo1RaSybJc+2cJVSJ937/aUnnkCBeizYwLgrHawuWVWsp7f6e/9PXdrrcNG XNJmPZSZTDb8ClGnMixOvjNO6bSNkvG70y/Nkn96YV5XhKWq3eldjYJjwTbN+fvwPK pDudPFcrP2qXQidfvj2nXoOzY1YrXC7jB9kNpGuq3N/GvjSZgFaqiGAnbImq42a3cJ vNxgJheaI2lAw== From: Frederic Weisbecker To: LKML Cc: Frederic Weisbecker , Thomas Gleixner , Ingo Molnar , Borislav Petkov , Dave Hansen , Peter Zijlstra , x86@kernel.org, "Rafael J . Wysocki" Subject: [PATCH 3/4] x86: Remove __current_clr_polling() from mwait_idle() Date: Wed, 15 Nov 2023 10:13:24 -0500 Message-ID: <20231115151325.6262-4-frederic@kernel.org> X-Mailer: git-send-email 2.42.1 In-Reply-To: <20231115151325.6262-1-frederic@kernel.org> References: <20231115151325.6262-1-frederic@kernel.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" mwait_idle() is only ever called through by cpuidle, either from default_idle_call() or from cpuidle_enter(). In any case cpuidle_idle_call() sets again TIF_NR_POLLING after calling it so there is no point for this atomic operation upon idle exit. Acked-by: Rafael J. Wysocki Signed-off-by: Frederic Weisbecker --- arch/x86/kernel/process.c | 1 - 1 file changed, 1 deletion(-) diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index b6f4e8399fca..fc7a38084606 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -930,7 +930,6 @@ static __cpuidle void mwait_idle(void) raw_local_irq_disable(); } } - __current_clr_polling(); } =20 void select_idle_routine(const struct cpuinfo_x86 *c) --=20 2.42.1