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 07E5217BD3 for ; Sat, 30 Nov 2024 18:54:07 +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=1732992848; cv=none; b=LNGsMWcPcqKx/2F/wpvgTNri8RZ90zc/cfJzEfS6XshdUzCkIQmiaGjv4xwKEwOd7AC8rbOnLETuXIsaoUTTlnSra4bZGpQ2czbhf/KdfFEUnJAI0PY8i17mcq2/d7fB15A3hM22/tP/6TEjUcSU6piRocrTiOTF8EiAPXxPfGw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732992848; c=relaxed/simple; bh=O/APMUDtAFezuu2Dwa14cIPbkzz2eccdyGy8DVt+8to=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=IUX2sMKMhAJzgaccjCHkDj8L12tdPEU8G2lJX5/xRa0LsMb9Tg6JM8jrJNZ7dPLX25Dkv2lWPLB7Go3LiR6eGcvT7aKiC6TY3BswB6kbbZ/flygir43ftXYnZ3VYc07h86N0bckk+2PZAj3FtCDCnCsTOnLU4SjTVeeldFOtkto= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=KMROiCmd; 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="KMROiCmd" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5C19AC4CECC; Sat, 30 Nov 2024 18:54:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1732992847; bh=O/APMUDtAFezuu2Dwa14cIPbkzz2eccdyGy8DVt+8to=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=KMROiCmdueP52DiO7RCEi8UV4wn8mwnRCxKIGoMdcWquUkbt96z1Bh0wERAhUZe+N yUzY+jUB2juLER8D94YSOgyOqZQfKLM97zIFtSdZZqcK502fXIi40zir3FgLPYeWBU XkwCsneTNfJB31TxEisWBIolJvCVo21oi31wyqMj9NqSWOJnHiNedIQK1Xa/0Z6uqd C2IOkTs6XqNvBXGUJJVW3+Y4XnVTURhdCf+qxgBx25pnBs7of927O/VHYOYcH3lKkE Q020h0pfQ4RjUOWsLFAdzrxSUzqvpxOgMFD43VTzpccPi/tetiKWCy+RcOmvU6ld2l dKNToRoLoLekg== Date: Sat, 30 Nov 2024 10:54:06 -0800 From: Jakub Kicinski To: Magnus Lindholm Cc: netdev@vger.kernel.org Subject: Re: kernel Oops: net-next-6.9 breaks stuff on Alpha? Message-ID: <20241130105406.54ef7c7c@kernel.org> In-Reply-To: References: 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 Fri, 29 Nov 2024 14:50:54 +0100 Magnus Lindholm wrote: > - synchronize_net(); > + synchronize_rcu(); This basically translates to switching from sychronize_rcu_expedited() to synchronize_rcu(). The problem is likely in RCU support for Alpha, we're not doing anything special.