From patchwork Thu Jun 5 11:14:15 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lorenzo Bianconi X-Patchwork-Id: 894790 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 5391829A2 for ; Thu, 5 Jun 2025 11:18:22 +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=1749122303; cv=none; b=uAuhZ1pK4sIaKBu20fuxbgP8YJrHHNqeQ05A8pBVFJvYEkCx3cfkn0BXrzMzjzOKAYjkomr9j54sxGpGbfhYEPO80a4e+Ir+6SgZWEbGpBBQbY6Stf+UKRQLF5TP7G3vvMhCaTMB8crLA8EHDu5QCW1/ZwI32UpSajBJj/T7D+U= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1749122303; c=relaxed/simple; bh=tBOcorhhYIo/YdsKZH86zdXVOJw32seHQjAGm5MOlIE=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=lqd2ID0n7GDA04JMCC+E636gzbEf2o8cwBhZIk87JfkB9lU6TqS+/Na3ggw0yA6k9f0nuMXLubF4jaYD4EgSM/y0DsM0mqnDjfwIlMO5WYDcFGGAaWj9KHw8QmUErtp+KoUmR+AYNOJDd/hfHuJDRwDr1pGJlxinST2YiFaMva0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=AQI+hPeh; 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="AQI+hPeh" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 42AEEC4CEE7; Thu, 5 Jun 2025 11:18:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1749122302; bh=tBOcorhhYIo/YdsKZH86zdXVOJw32seHQjAGm5MOlIE=; h=From:Subject:Date:To:Cc:From; b=AQI+hPehRdGmwWk8fAFErEY9JBj/y072b/fr7ZuK+l7AmC8iPzJnYxs8BALnFIKds 2K06CRRbT6Rhvq9JmDuPKpma9aBRMNLh2PCY9cEfA0XqKfnwSwUxe4MM6RD7GGsFZ8 whqevVpgoYA0tPfZy/G++MUpWtN/eztffUsSlVeC4Y3rusAkn3M0IyZdk7wxWzIQ+J 9IdU+isrGHH25VnNz5VHS+dccE0sdrTXQVv1IVD4+S9Yj4StU0IGbHa9AvdzwS/GRb dBb9QiIFheu0YrrR3P9zrebbq+iHjIQe+Dk2Ae5VvYU/754eHw0OBh4bnZlnI8Xw72 u+m4dOcRJh7PQ== From: Lorenzo Bianconi Subject: [PATCH mt76 0/5] mt76: mt7996: Fix 'sleep while atomic' in mt7996_mac_sta_rc_work() Date: Thu, 05 Jun 2025 13:14:15 +0200 Message-Id: <20250605-mt7996-sleep-while-atomic-v1-0-d46d15f9203c@kernel.org> Precedence: bulk X-Mailing-List: linux-wireless@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-B4-Tracking: v=1; b=H4sIAAd8QWgC/x3MTQqAIBBA4avErBswI62uEi1KxxzoD40KorsnL d/iew9ECkwR2uyBQCdH3tYURZ6B8cM6EbJNDVLISihR4nLoplEYZ6IdL88z4XBsCxu0Y1Fr7bS sjYXk90CO7//dQWIK+vf9AIHOrNhxAAAA X-Change-ID: 20250603-mt7996-sleep-while-atomic-db1877f728cd To: Felix Fietkau , Ryder Lee , Shayne Chen , Sean Wang , Matthias Brugger , AngeloGioacchino Del Regno , Bo Jiao , Peter Chiu Cc: linux-wireless@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, Ben Greear , Lorenzo Bianconi X-Mailer: b4 0.14.2 Fix a 'sleep while atomic' issue in mt7996_mac_sta_rc_work() since mt7996_mcu_add_rate_ctrl() and mt7996_mcu_set_fixed_field() can't run in atomic context. --- Lorenzo Bianconi (5): wifi: mt76: Assume __mt76_connac_mcu_alloc_sta_req runs in atomic context wifi: mt76: Move RCU section in mt7996_mcu_set_fixed_field() wifi: mt76: Move RCU section in mt7996_mcu_add_rate_ctrl_fixed() wifi: mt76: Move RCU section in mt7996_mcu_add_rate_ctrl() wifi: mt76: Remove RCU section in mt7996_mac_sta_rc_work() .../net/wireless/mediatek/mt76/mt76_connac_mcu.c | 2 +- drivers/net/wireless/mediatek/mt76/mt7996/mac.c | 40 +---- drivers/net/wireless/mediatek/mt76/mt7996/main.c | 5 +- drivers/net/wireless/mediatek/mt76/mt7996/mcu.c | 188 +++++++++++++++------ drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h | 16 +- 5 files changed, 152 insertions(+), 99 deletions(-) --- base-commit: 1b98f357dadd6ea613a435fbaef1a5dd7b35fd21 change-id: 20250603-mt7996-sleep-while-atomic-db1877f728cd Best regards,