From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.16]) (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 91D9F3E5A0B for ; Mon, 31 Aug 2026 11:38:43 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.16 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788176325; cv=none; b=WkiLec76RrTwuwTWj2RqgaJ+RbXfaPhH/Wa21qlB0tRISQU/whbE3tgFQYe7d/tgi+sU++W7ue6JyAB108coMTi3wW3hZ0seGUaFvjENLLM1ldMHClccAF6A4Lt1XjqfcNSHCUJ4GBaQSBd+IF+hJAH3Qx3tLoN3Bj4XQEk6QW4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1788176325; c=relaxed/simple; bh=hwmMhCYK3a8hrYjtNGCx1Y4KisTSk2GO7CBfRf7aNxU=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=iXZyXa2Ib8DIFjAzpIH9bvYXdCQ5G0TYdoeMKsFzPhg80RBfb5UHpLvSM14AIgUgSuOkmn15oCLefxVRBjGYDD3Rdwk2CYdL/JvKRv08RBIBFPIxAR+I3hF4uNRgvVvWs34iQzJFdZmdTtu3TR8gkquDdpcFJVyebGsox4Up3AE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=nu1auKKG; arc=none smtp.client-ip=192.198.163.16 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="nu1auKKG" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1788176323; x=1819712323; h=from:date:subject:mime-version:content-transfer-encoding: message-id:references:in-reply-to:to:cc; bh=hwmMhCYK3a8hrYjtNGCx1Y4KisTSk2GO7CBfRf7aNxU=; b=nu1auKKGWBVV9hPXVEh1Yr3evGMqYFxDtRD2BYygCyeyxCZIbT2jPCF3 ks3BNSXQWPYWbis89+Cs39hxeE2N6jvS3w+mgcKO3j/x4zPzb6ZAk50Ib 0tYzx9EAzPezzNMFCn0LrZLnN/y1LtMG/ZY4tg+U8K2ZQYrFdScw+pVt4 bhPo4sRnXR9ql1+He9kw9HUbzL7XBUlKHSNAI9JhkwgLpcQ5YwlTdS4WB 9xIosgNkGZXjj7sOmNlko8xl2/YSYAx2vNbRX2KGxjz2LtNS4R0zsC8Yd zVezjdqpii5uGN6GlgkuYTduJbnAaQIAzKRH/qROC1TyutdmxpvE8p5pQ A==; X-CSE-ConnectionGUID: cFALQ5q3TWiPkw9wUqhj6Q== X-CSE-MsgGUID: tzwnlRaFTS6Az9ZL1JHtiA== X-IronPort-AV: E=McAfee;i="6800,10657,11891"; a="76129324" X-IronPort-AV: E=Sophos;i="6.25,254,1779174000"; d="scan'208";a="76129324" Received: from fmviesa009.fm.intel.com ([10.60.135.149]) by fmvoesa110.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Aug 2026 04:38:43 -0700 X-CSE-ConnectionGUID: QMHlCdtdRyifUEhbDWpOeg== X-CSE-MsgGUID: BPA5cbmWQ+mYfrX121x9gQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.25,254,1779174000"; d="scan'208";a="262645106" Received: from sannilnx-dsk.jer.intel.com (HELO [127.0.1.1]) ([10.12.231.107]) by fmviesa009-auth.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 31 Aug 2026 04:38:42 -0700 From: Alexander Usyskin Date: Mon, 31 Aug 2026 14:38:31 +0300 Subject: [PATCH char-misc-next 1/4] mei: make polling wait interruptible Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260831-cri_polling-v1-1-d927315e6598@intel.com> References: <20260831-cri_polling-v1-0-d927315e6598@intel.com> In-Reply-To: <20260831-cri_polling-v1-0-d927315e6598@intel.com> To: Arnd Bergmann , Greg Kroah-Hartman Cc: linux-kernel@vger.kernel.org, Alexander Usyskin , Menachem Adin X-Mailer: b4 0.14.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1788176320; l=1426; i=alexander.usyskin@intel.com; s=20260315; h=from:subject:message-id; bh=hwmMhCYK3a8hrYjtNGCx1Y4KisTSk2GO7CBfRf7aNxU=; b=MddRt+qCW2c6GwWqb/yDM5MGm37nqt1wnc+ETtVg+MMIKn4NBa2aMU8TpGU4QHBN5k09gDgzu bkHRPMZK7L1Ctp5um1H+vAH7KUIFcQ/mWS3ICrkkeBWci9yrHJ0J6lV X-Developer-Key: i=alexander.usyskin@intel.com; a=ed25519; pk=X+qoF/nFCdDOV04IForWSxnkyoCAbUE10egZi6PSfcU= Polling thread wait should be interruptible to avoid stuck task. Reviewed-by: Menachem Adin Signed-off-by: Alexander Usyskin --- drivers/misc/mei/gsc-me.c | 2 +- drivers/misc/mei/hw-me.c | 6 +++--- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/misc/mei/gsc-me.c b/drivers/misc/mei/gsc-me.c index 376840b2c354..b38ddb04f2e8 100644 --- a/drivers/misc/mei/gsc-me.c +++ b/drivers/misc/mei/gsc-me.c @@ -242,7 +242,7 @@ static int __maybe_unused mei_gsc_pm_runtime_resume(struct device *device) if (mei_me_hw_use_polling(hw)) { hw->is_active = true; - wake_up(&hw->wait_active); + wake_up_interruptible(&hw->wait_active); } mutex_unlock(&dev->device_lock); diff --git a/drivers/misc/mei/hw-me.c b/drivers/misc/mei/hw-me.c index e7fbc02fb70f..ef7e1289ad7e 100644 --- a/drivers/misc/mei/hw-me.c +++ b/drivers/misc/mei/hw-me.c @@ -1441,9 +1441,9 @@ int mei_me_polling_thread(void *_dev) struct mei_me_hw *hw = to_me_hw(dev); u32 hcsr; - wait_event_timeout(hw->wait_active, - hw->is_active || kthread_should_stop(), - msecs_to_jiffies(MEI_POLLING_TIMEOUT_IDLE)); + wait_event_interruptible_timeout(hw->wait_active, + hw->is_active || kthread_should_stop(), + msecs_to_jiffies(MEI_POLLING_TIMEOUT_IDLE)); if (kthread_should_stop()) break; -- 2.53.0