From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 B7F991DED42; Wed, 7 Oct 2026 23:36:17 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791416178; cv=none; b=a+CFU6yxOa5s36muPOQu9s+QQ69jZei4YDM9lpMmwzUJZ07mMEWlPpNrl4BN1rBKYsvWkoA5dC1eYZUjc1eg19JPP1ZIH1mmLRlyHl0HGiL0iphNNc68R9oExeIVA8wLYtu7pgZsYnQKgN999aWj9WhHYK1Snim46ENkNCI+lVg= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1791416178; c=relaxed/simple; bh=WAtsyR3IMXHkFwGaR8H+DzUJjsghz/U6TTUvUrOWBdY=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=ZCUb6Kzn0ktxT/C9zG7jzdxVwTxKpEBmuGnp25Q0cXLFL4SNHOEgn0kP5oPVTGNl6P8G0kzULbmDhmtovUL2YPapSuPHdB6PS5+3N3Srp8GPLO56/ZO4nI/FLEpkdiReMsZcYoXXZqurW9Xkob1flEOeQU3f4tGxesZEdqL7eB8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=g675SK+7; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="g675SK+7" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 1FF5C1F000FF; Wed, 7 Oct 2026 23:36:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1791416177; bh=T/lBhqG9M/WC30ZwIL8Bl+zdXOnryYrrFo07SgpP4iA=; h=Date:From:To:Cc:Subject:In-Reply-To:References; b=g675SK+77V93tcEDh/P+lKNCv97KgF2wL2T89BbTrmSm9HWL5wizgQmAQAvpAx/b0 6dCJzKctMPd9Q7MP9Rk+1/qqExO0BXwfe0l/GsMiwdV1MYpzz1/T74lSHodV4rlG2Z JqrddoEqUWUwbB10ARTwPI7amdytKRCrNvol304hGQkrOXWxAARkAnyrt1AyEKm3BN TA22ykN7gpnsIhZuXtdhGlr6KzQSMXT09BT6Rw8A3CvGv18lHLV9yQ3d9+mq4jvbrj kb6hQt+d9ZuW89cXgSS5xDNzv8tgzeoBmPvoXlhMzPirkLcUA3Ou969/3rlGM12Di9 rFF4676dOcQQA== Date: Wed, 7 Oct 2026 16:36:16 -0700 From: Jakub Kicinski To: Johannes Berg , Kuniyuki Iwashima Cc: netdev@vger.kernel.org, linux-wireless@vger.kernel.org Subject: Re: [GIT PULL] wireless-next-2026-10-07 Message-ID: <20261007163616.1088d364@kernel.org> In-Reply-To: <20261007205827.467974-3-johannes@sipsolutions.net> References: <20261007205827.467974-3-johannes@sipsolutions.net> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Wed, 7 Oct 2026 22:57:00 +0200 Johannes Berg wrote: > Nothing much going on in wireless-next. However, next time > I hope to land my RTNL-redux series which will (almost) > completely wean the wireless stack off the RTNL, except in > places where we need it for netdev register/unregister/etc. > > I need to see what's going on with the per-netns mutex now, > can we already use that instead? That's a Kuniyuki question (cced). I've been trying to move HW drivers out of rtnl_lock and under netdev->lock. Most of the rtnl_lock contention I've seen in prod at Meta is in init_net