From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id F240F2F5E; Tue, 12 Aug 2025 18:04:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755021877; cv=none; b=ZkbUTjyddLqsI1HIV9Rr5mor3X+H5Da26wWjxQhRauwHZ6kV1Dwp/jlrMD1K3zNDwiYgTMaGrUmu00Qf/UjD5PiWjWEhB2W2NvuARcD+IZiHNaKownQ+JInD8dCqBfh9FSQIOzc9dYn9MJ/W61CSX/1vd5MhLsj/WtOE8dYxgvY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1755021877; c=relaxed/simple; bh=iD/sUoG6Zm6Yd3uhOBCPyI07YsCYkdzr5mRDw0x3DDw=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=e8fycZReJ2WkLKMKdGP1LAPtDIX8VyhlonQiRRxlgL7Pn3NRofgxfqPDv10hssl4O84ucwSfSj5DLM0MsB9KK9GGbbTz0/PEmm+1ScAO5CV7SBjiTiLPLSMccOH3kRdEgWfH50gqTlOavtU+Lp3ingeGAjBdfukFS7BKvnvjr1Q= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=j+Nmdpey; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="j+Nmdpey" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5E700C4CEF0; Tue, 12 Aug 2025 18:04:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1755021876; bh=iD/sUoG6Zm6Yd3uhOBCPyI07YsCYkdzr5mRDw0x3DDw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=j+NmdpeyksaxAZPlIZDmpcxU6cfJscmNJH46FKnJ2d0jSd3gGih9AzFZI2aBtp7T9 kjRx8csucGvh+5LXNU7JHzrRBfy97htEonCpqfEcGce355RaDPa+C7IQ1M8bAwYGy2 cilRiOQVPJ/UZe3iUBOHDs15KdkUJhjC0pkFcExw= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Elliot Berman , "Peter Zijlstra (Intel)" , Chen Ridong Subject: [PATCH 6.6 251/262] freezer,sched: Clean saved_state when restoring it during thaw Date: Tue, 12 Aug 2025 19:30:39 +0200 Message-ID: <20250812173003.840229748@linuxfoundation.org> X-Mailer: git-send-email 2.50.1 In-Reply-To: <20250812172952.959106058@linuxfoundation.org> References: <20250812172952.959106058@linuxfoundation.org> User-Agent: quilt/0.68 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Elliot Berman commit 418146e39891ef1fb2284dee4cabbfe616cd21cf upstream. Clean saved_state after using it during thaw. Cleaning the saved_state allows us to avoid some unnecessary branches in ttwu_state_match. Signed-off-by: Elliot Berman Signed-off-by: Peter Zijlstra (Intel) Link: https://lore.kernel.org/r/20231120-freezer-state-multiple-thaws-v1-2-f2e1dd7ce5a2@quicinc.com Signed-off-by: Chen Ridong Signed-off-by: Greg Kroah-Hartman --- kernel/freezer.c | 1 + 1 file changed, 1 insertion(+) --- a/kernel/freezer.c +++ b/kernel/freezer.c @@ -187,6 +187,7 @@ static int __restore_freezer_state(struc if (state != TASK_RUNNING) { WRITE_ONCE(p->__state, state); + p->saved_state = TASK_RUNNING; return 1; }