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 20CE03054CE; Sun, 9 Nov 2025 18:31:23 +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=1762713084; cv=none; b=ca1KG1AFBy32abGC5aegfiDADCqyHtAvVtzvtpEbrM1WSUzGSBImM4KHpaYUwaSFyi6VGoOnk1aOJdDEW5jdmuQa8RzbAwyLYNN0t+ZvVDCQof2TybmKmm28Noh9Tdy3Os0hUqrvzJ8UdWBulPOgRddbhEjVhZrOyQNt9cklcGc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1762713084; c=relaxed/simple; bh=lagGB119Tu/XhLjie1igQzxEFLCFohx2cpKNVnUOTlo=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=kB3e1U+m3lf8/bqGod2EgKtiowcPyhYQ3zhco+zEb02CnJcFruaA+ki/q5vsU0pnCXsbeC33TzBvzRzZOauBdxEZe7O99NcOfasdlNDd7N/X3DvaiSSFADmjJzXrJLUOZvS9EHZOERbc5sWQubjnIbAPUj67nznhDdczszWHr60= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=lY9C2OK1; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="lY9C2OK1" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 7236FC19423; Sun, 9 Nov 2025 18:31:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1762713083; bh=lagGB119Tu/XhLjie1igQzxEFLCFohx2cpKNVnUOTlo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lY9C2OK1pefNuZq9qoEtWD/xVlsBcqiqnBcn9ljopiR9Qw+zwStH9K++HY2aB7znu si78raz+pysvmU8/m1WDAJ6bXEvcuLrdm73aijDPl5x9wyZE1y8g8Fb4jkBRpSzjW7 TEo65+HfsERGAB+MBOsnQ17I+yvq2pKrFLzc8CA5c4GWIA/APInHGnc4g7Ejer/hVz H9pZ2/sDLEkOg74MeNX5oNQtbd+EIGphxFSAf5NfzOYejqBzd3wljGZJHlcBvri1sJ Ih0h8zwi77ueRG8M41mwGNovRbKsGQ04jramX+/DY/3n7psMFS3HgXrCZRZdX5ZdAG 6mwoc82KD2pPg== From: Tejun Heo To: David Vernet , Andrea Righi , Changwoo Min Cc: Dan Schatzberg , Emil Tsalapatis , sched-ext@lists.linux.dev, linux-kernel@vger.kernel.org, Tejun Heo Subject: [PATCH 09/13] sched_ext: Make handle_lockup() propagate scx_verror() result Date: Sun, 9 Nov 2025 08:31:08 -1000 Message-ID: <20251109183112.2412147-10-tj@kernel.org> X-Mailer: git-send-email 2.51.1 In-Reply-To: <20251109183112.2412147-1-tj@kernel.org> References: <20251109183112.2412147-1-tj@kernel.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit handle_lockup() currently calls scx_verror() but ignores its return value, always returning true when the scheduler is enabled. Make it capture and return the result from scx_verror(). This prepares for hardlockup handling. Cc: Dan Schatzberg Cc: Emil Tsalapatis Signed-off-by: Tejun Heo --- kernel/sched/ext.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/kernel/sched/ext.c b/kernel/sched/ext.c index 5c75b0125dfe..4507bc4f0b5c 100644 --- a/kernel/sched/ext.c +++ b/kernel/sched/ext.c @@ -3658,6 +3658,7 @@ static __printf(1, 2) bool handle_lockup(const char *fmt, ...) { struct scx_sched *sch; va_list args; + bool ret; guard(rcu)(); @@ -3669,9 +3670,9 @@ static __printf(1, 2) bool handle_lockup(const char *fmt, ...) case SCX_ENABLING: case SCX_ENABLED: va_start(args, fmt); - scx_verror(sch, fmt, args); + ret = scx_verror(sch, fmt, args); va_end(args); - return true; + return ret; default: return false; } -- 2.51.1