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 7719E29408 for ; Wed, 4 Mar 2026 01:08:43 +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=1772586523; cv=none; b=ORWFs7tVx84sfb6epu+g6XY3F/edDpmIQOzISrTrJm511RPqsh5RUiapjjZb9G5+TQB8Jixk77qeZ8+yYE70KDq5e4+d6m8CawYwdlpJOjem0P0WT2pRHtT9NjKowTVrf2JXy1EiKd2KMZCaCx1CXc18PhtKgQsttj8z25xDkxM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772586523; c=relaxed/simple; bh=DQnIqIa8jSessrJ7z0E3IiEhGL1TxcQcGfMsY3LmGhs=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=DTFLfibr+EHXe4rYKtKMXCfre2ejUtW+SmUsJj0B8cLJ3A5YngKNB99EMhqHsJZsp3tWoamn0YNJJIhAwGPIsAs8BxJoH3Rjsalo4Dho+uPMsFzf3DF285fxQfYn8CyxasRjBqucD/UpByt5oASN2fxCC3h/9W/OYDNFcS3H3Qw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=SIIu8f/h; 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="SIIu8f/h" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9E4A7C116C6; Wed, 4 Mar 2026 01:08:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772586523; bh=DQnIqIa8jSessrJ7z0E3IiEhGL1TxcQcGfMsY3LmGhs=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=SIIu8f/h12uLMM/JTLmvYi3N7DJbUrQKvJ6Kis/CcGxr63s+BWdLfEeNHqYWsLwKi 7UitPMzV5DQZfdiPCowI0H5dTPB6S5hVngVUwwBqd/nrYpAadN4w37WgCkeBKrWtC6 7Nj04rt65dWX+EbCtrJUCcmzrDw4T29y+bInIE2Z+093JjAoS54L9w4bihptxSk2mc /RdZQ7MUw0wnpRDBBUNIlaQDpVyGUobsNeLUctSSXREFbmkj8De60DAmAXHT/B12w8 DvFyBUNf0JyaZkbfTPZZkErNEI7IpF0RS9jgDIOSYHA9/2envuu1cELQBT77o5prqG /Q+Mqxy57BduQ== Date: Tue, 3 Mar 2026 17:08:41 -0800 From: Jakub Kicinski To: Eric Dumazet Cc: "David S . Miller" , Paolo Abeni , Simon Horman , Kuniyuki Iwashima , netdev@vger.kernel.org, eric.dumazet@gmail.com, Ido Schimmel Subject: Re: [PATCH net-next] ipv6: add IPV6_CALL() helper Message-ID: <20260303170841.218b0816@kernel.org> In-Reply-To: <20260302154201.1621117-1-edumazet@google.com> References: <20260302154201.1621117-1-edumazet@google.com> 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 Mon, 2 Mar 2026 15:42:01 +0000 Eric Dumazet wrote: > ipv6_stub use is racy, we should add READ_ONCE() and WRITE_ONCE(), > even if this pointer can only change once. > > Add IPV6_CALL() macro to factorize the READ_ONCE(), and perform > direct calls when CONFIG_IPV6=y. Does not apply to net-next. It sounds like we're going to remove IPV6=m, however, perhaps transform this patch into that removal? -- pw-bot: cr