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 7AAFD3E022B for ; Wed, 5 Aug 2026 06:59:04 +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=1785913146; cv=none; b=QCJfcfeFBr1mra7yUKzFDmH7n6fc3OXcUzLuu7BCnJrtu0uVqXdPItqnwEjMcj/XDUCouSM3W4eF7xVo83MUfU7q3uCMZq78So3A61D7O3C1fkjS3cZ3tN4i6nQ3U/lguPOaPWz4Z9MNfcknzhdGzS0Cudc/avB+SxqAIumCbK8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785913146; c=relaxed/simple; bh=JA/uGL08SJ0WVV2n25qF5Zgg6/c2G+lKfw2AjFzo/jQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=Zl+0jVou/Q5tyd48bojTkpCfh1FSdGGXTeZai6TaCw1PCwXknnSKSyHgvjmJtMi+7qW9zcwJQUQCjIoPuTC7XJs5HfWJdiXYSd3wPx6x911CHh9J01/0dE4owbFslFUIv5OlKazpKyyxHN1NMwWmBpu7YiXW1diLcS/qmoNZyF0= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=KGOCgHZC; 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="KGOCgHZC" Received: by smtp.kernel.org (Postfix) with ESMTPSA id A7DE61F00A3A; Wed, 5 Aug 2026 06:59:02 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785913143; bh=sXscN+71JA7OiY5ha6DilSoxlKVGNEk/jJYtO+tjGm4=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=KGOCgHZClsL9yQc7rvFTY9498ig9OOhILp7iM9yAvJH6w/nA/O8FYQxai+D/OmaoR 77V9aQ6tLymWb41+QAhIkUopPsCtiEsdexp5ouHbLemHl9t41Q2PWo/dDQoD2OG6ba w3teb6TgHRuEuv4SpK9f402K0jVp+Qv0y5C+DKcTkcBDAm5NgOEhJlPeIIk4cKFq4C /Eebs3/LYqoqsc20RiGW39NYdzrAUA2zp3lDIJNtSSR3Bp0iYlOR+YgzYaywjIiLGA RbzkyScKEEeJF5bTmujpd6tuebwzo0aPuXaEL7movZJ3tImtEIyI/901NIQ/ab8wRQ gjFv8R7BzoIXw== Received: from phl-compute-05.internal (phl-compute-05.internal [10.202.2.45]) by mailfauth.phl.internal (Postfix) with ESMTP id D78AEF40066; Wed, 5 Aug 2026 02:59:01 -0400 (EDT) Received: from phl-frontend-03 ([10.202.2.162]) by phl-compute-05.internal (MEProxy); Wed, 05 Aug 2026 02:59:01 -0400 X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: dmFkZTGHR7KcFeoGLIb80FEhuwtUi6mLHP4pQsoJF5uq56q0Xa03VfHqFmVdUXqoeonc1O ZCmqQnMm6SbNhh0tSibeFj87OAxfnL1lTug3SNkwgyw3+5bqWeCfRVrHOWnkAnUfriWTyK G5/sE4OfeH/jbbMtocXiL59CQl3lnGFavj9BCnZ+6nlfM22WQ6t6kKkeJxAXb8zzENfhK8 /BmpLFhpqv+Yz1CsdnqTGKgAIOLaOgKmBwF2PWtS1OUNJMWBoEuoKKvl1MJzoKdPmMouG3 FIBDE70JT3CNgGQmfY0SmHUoboDmu/9hInQi1d8ptLG9SxGf4OVwByrn98sgcOrJN7YQOk +4FzgIhCm2dmC+HXaYjIYcJZESWgfdxeffL4lltwDI3uPrMF5MAoeIayH0mbcgG4UP/HAZ TcjqMKLWsH5/CMiRYFzsUpcRMrrmsnz0r102fE+psiJHKvijgnIAv/S99HyHngIhLzsO8Q io0D2ANEoYU1BXp9T1nYRghB/h/lDPwYUee8PUfgg808RTRNEgUn9OPo0BjmzzNwJIUhh0 NxW/ylldXez8zX22uWZmDCjvQV3deBCbFuyPjXn3swjhIWOOWfV90EHbrUz7+5U0IWRjOJ imKcCsr9U0m0bMiNwqsDQvZMy7EtZfR1EVGuxVmtG5pEpZHSQ89NGSrPI99w X-ME-Proxy: Feedback-ID: i8dbe485b:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Wed, 5 Aug 2026 02:59:01 -0400 (EDT) Date: Tue, 4 Aug 2026 23:59:00 -0700 From: Boqun Feng To: Peter Zijlstra Cc: Ingo Molnar , Will Deacon , Waiman Long , Gary Guo , Alice Ryhl , Lyude Paul , Daniel Almeida , Onur =?iso-8859-1?Q?=D6zkan?= , Miguel Ojeda , Danilo Krummrich , linux-kernel@vger.kernel.org, rust-for-linux@vger.kernel.org Subject: Re: [PATCH v4 02/17] preempt: Introduce HARDIRQ_DISABLE_BITS Message-ID: References: <20260804161447.84806-1-boqun@kernel.org> <20260804161447.84806-3-boqun@kernel.org> <20260805063128.GN776954@noisy.programming.kicks-ass.net> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260805063128.GN776954@noisy.programming.kicks-ass.net> On Wed, Aug 05, 2026 at 08:31:28AM +0200, Peter Zijlstra wrote: > On Tue, Aug 04, 2026 at 09:14:24AM -0700, Boqun Feng wrote: > > In order to support preempt_disable()-like interrupt disabling, that is, > > using part of preempt_count() to track interrupt disabling nesting > > level, change the preempt_count() layout to contain 8-bit > > HARDIRQ_DISABLE count. > > > > Signed-off-by: Lyude Paul > > Signed-off-by: Boqun Feng > > This still isn't right. Either it needs a: 'From: Lyude ....' or so > Co-developed-by or however you spell that. > > Since current from is Boqun, first SoB should be Boqun. Got it, it happened when I switched mail addresses, so it used to be From: Boqun Feng ... Signed-off-by: Boqun Feng Signed-off-by: Lyude Paul Signed-off-by: Boqun Feng ;-) Will fix this. Regards, Boqun