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 463B88F66; Mon, 5 May 2025 21:45:23 +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=1746481524; cv=none; b=W+SJCnc/geEbw/JY/o34lcvAJkHDJgdRMv67fOxdb4oGgrDTJQPokR8YHZ71cotfj/cNmXTaetmxHLXozpb+7oNWJ5JmpVLCo9DOJ1pslDGib9cI3JgwcbY0Rb++sV5seNkdFcNtNtqDVMtSkGK8dhutnqoTW0CCqlOOlpkiYIE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746481524; c=relaxed/simple; bh=CahsuzGP8dclaXFz+knFgcQXHHqAzaQBNmxGDlAkIL8=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=e+bYcdk4o1cGmjbN9VreKXxQNiDLfPmyQsce3Q/KwOQTJiAqb7Pgpgy+QOD4r0/9KuYaxx6B+zIiFpqs1A0VZETl/n1FaQ9KQ3QWvQfIMMVTuKzysut9SBjLSjnM3v5GkkGibCXCO6vCBTbK/wiBMFq5iB+Iz2ii9f/Fi0wXq8k= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=XtwYcLYX; 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="XtwYcLYX" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 43FB1C4CEE4; Mon, 5 May 2025 21:45:23 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1746481523; bh=CahsuzGP8dclaXFz+knFgcQXHHqAzaQBNmxGDlAkIL8=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=XtwYcLYXjRqNIOVkspHeOA5jcmAG+AI8w7iuDC5UjI4oGeiCVtujq4P3SWD55vpR9 AiMkCnNN+cKeI62Wy8C7Jf7QTwl1IZVTFlwWxnGc0PNr7OMwMoV+smjMRdwBC4YTXF WeK84DGTx47JfYOXV5NeRl4sZ+IdYLDgoH55pdCKaRWvOjNVmLJH3WsiTaAFm9PHCQ w37PNHSwKHv1kiS1o6LCBJZ7NiwwjZ3TimmbQKzLB08nIOUO/gRbLDBfIVY+Xtqde2 i6ZbrRB8j0yj+7tpAMiWEX0LEZp6c9lYWNuxNbaMSGx9ws+mOtS0ehv543wm220phy frWnZlgAMAVIg== Date: Mon, 5 May 2025 23:45:20 +0200 From: Frederic Weisbecker To: Joel Fernandes Cc: Z qiang , paulmck@kernel.org, neeraj.upadhyay@kernel.org, joel@joelfernandes.org, urezki@gmail.com, boqun.feng@gmail.com, rcu@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] rcu/nocb: Add Safe checks for access offloaded rdp Message-ID: References: <20250428095403.22889-1-qiang.zhang1211@gmail.com> <2c8098f0-2010-4714-97ca-7f46629d67f8@nvidia.com> <6dc114e4-83d3-40ff-9642-114552f40a75@nvidia.com> Precedence: bulk X-Mailing-List: rcu@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <6dc114e4-83d3-40ff-9642-114552f40a75@nvidia.com> Le Mon, May 05, 2025 at 09:38:02AM -0400, Joel Fernandes a écrit : > Frederic, there are a couple of ways we can move forward hear. Does the > softirq_count() approach sound good to you? If yes, I can fixup the patch > myself. That approach looks good yes. > > I am also Ok at this point to take it in for 6.16, though I've also stored it in > my rcu/dev branch for Neeraj's 6.17 PR, just in case :) I'm fine either way. To me it's neither too late nor too early :-) Thanks. > > - Joel > > -- Frederic Weisbecker SUSE Labs