From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f43.google.com (mail-wm1-f43.google.com [209.85.128.43]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 94CDA185E70 for ; Wed, 26 Jun 2024 13:47:28 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.43 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719409650; cv=none; b=HTnADng9WrrVRIzqz/D4/GpI4+2yvbArIn1uI6UGcOH9v13heqTTmN0Cr1fVetKLvrsLf5bRtHjzkRuQNVMyAsk8v14AGyh7sdoXAUckaxjNU3ohlAaWSmYMMA0nBH7Bup46DBgPEZ+pF3biVyiwW2Chtg1l0SD0mp9cHZw0WmQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1719409650; c=relaxed/simple; bh=/jEClEHDxEl+djPgKLOGRJWMVDG+RYF17xauYwyh5qE=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=Vb8Wp2tRHD9NWi0zqqxhaPRWKxk0hRtoeagJ3JL4Atz+fn4PH2KReuorvmjRzAr5eXPsIjWisslPyccoOH5FclC3a8JNNjtJfOtqY0dPsROmlL1U/ldLL3ChII8/x1IHKoMga2SKYjK6bp6Gy4rzN+3+0G8RHVvixbSjOCBSbqU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=9elements.com; spf=pass smtp.mailfrom=9elements.com; dkim=pass (2048-bit key) header.d=9elements.com header.i=@9elements.com header.b=dBiV9eWC; arc=none smtp.client-ip=209.85.128.43 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=9elements.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=9elements.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=9elements.com header.i=@9elements.com header.b="dBiV9eWC" Received: by mail-wm1-f43.google.com with SMTP id 5b1f17b1804b1-4255fc43f1cso3188615e9.0 for ; Wed, 26 Jun 2024 06:47:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=9elements.com; s=google; t=1719409647; x=1720014447; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=RHiBgnfP/0rnnPCnPMDBOWshAUvOWKD1FEoaKWD/1kE=; b=dBiV9eWCrfWN0NfagsXskNqpQO1bN72mc/aYMIsNuWgCM7smDauPkOv9mc/aJEMLiS 60PRKToVI+B6PBYuk/wjbSQ0DmvWcGAyhtOFFiqLjkpBRcxDnj6jTECqyAA355Ox7AaN dGbVgNcd577qoSkz7uMK4ScAcmM5KOkVlMNii/2OVqVgJ7idoAiMLX+7yE/oUA6d2jeR SLRALhL5UnYSsU/UcaC1vH45/avc3Njnorpz/7tIeCCr1PolRYDQqzUYOOOe66xYVXYF jcJI9isTTKtn3zv3RBv0rvrH4OY8FvSLcz9VL9gCzNNJlvYKJeD8W5tXljXzZDDrHbPc 9bcQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1719409647; x=1720014447; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=RHiBgnfP/0rnnPCnPMDBOWshAUvOWKD1FEoaKWD/1kE=; b=XGclD/S1aiyQdCBEg3aVbMt0L0IRRH2Fv8LYwPAuw/hJ7pDJPtTOKgDeJF6ishxlJ2 D6me2JGIXQ/q9xMn+/ZAx7oPteKqhJnkQTdGA6t3ObGBDGhxU0ajQO+jczNs3OEJoWYa uiTwGT3914Jsqd84XXm0RbVonn80gdSDS8iY0VO+/Z1eZ88O66XYGGHLojiLlHZj6B47 cpTTDqdOEor4WY3AfAsbw4TwWEeHE++0+t14RRtcB+QWX1ilwDmT7+76MsJs33tu5KVT yUaIWCtwY6YiPtXQ7UgtKkR2uuXfzGxltiWCu3uE40LJwSDuagMtXwQgGg3oMSQl6xf4 XyqA== X-Gm-Message-State: AOJu0Yz7As3qHxFXE4u5kEtb27m0A7dJDTIch/oP/TSJchGJzr/kBz45 wBDmypiKrMVY4xscNSlfAYzFs3d+XXbmgXVC8UYnDsWk4ovsjYTBzNYakuvinJUroy8tj+2iwol O X-Google-Smtp-Source: AGHT+IEmS2OWbS79dMTwL4fhRrin/KFAoeZqHlZtaieH7je5p3m5/smsvb2C9xkGG3a3QPu3VxqGvA== X-Received: by 2002:a05:600c:3503:b0:422:218e:b8d7 with SMTP id 5b1f17b1804b1-4248cc66a78mr89547365e9.38.1719409646730; Wed, 26 Jun 2024 06:47:26 -0700 (PDT) Received: from T14s.n1ce.space ([185.254.75.30]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-424c8475aacsm26611625e9.47.2024.06.26.06.47.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 26 Jun 2024 06:47:26 -0700 (PDT) From: Marcello Sylvester Bauer To: linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org Cc: Greg Kroah-Hartman , Uwe Kleine-Koenig , Thomas Gleixner , Alan Stern , Matthias Stoeckl , Marcello Sylvester Bauer Subject: [PATCH v1 0/1] usb: gadget: dummy_hcd: Fix regression due to hrtimer migration Date: Wed, 26 Jun 2024 15:47:19 +0200 Message-ID: X-Mailer: git-send-email 2.45.2 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The kernel CI bots such as syzbot and intel kernel bot reported a regression due to the migration of the transfare scheduler from timer list to hrtimer. The current assumption is that this is because timer list uses soft interrupt context. I have not been able to reproduce the regression consistently. So I'm submitting this patch in the hope that it solves the issue. Do not apply the patch if any bot still reports the problem. Marcello Sylvester Bauer (1): usb: gadget: dummy_hcd: make hrtimer expire in soft irq context drivers/usb/gadget/udc/dummy_hcd.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) -- 2.45.2