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 C23A33BBA1D; Fri, 18 Sep 2026 17:33:55 +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=1789752837; cv=none; b=dh5cXLORav1eyFI9gybxaEhfU9gzyvWz4w+0XXZ8XUpWTNrEKz1SyuKrbquPjtv5g87v9N4oZkS5vJo8bPnBNVynr1iZtn/ZVCA0Vnw7AIHxxV33hallp6BWHP7AGb13SzLPli/nzy5oLROWjqjwQGzMUqZeuAwehDFrXhpKFgo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1789752837; c=relaxed/simple; bh=EUR2ay/SbxhbSJ0HqiTFUw47TzdfexHnjBrabD1F80A=; h=Date:From:To:Cc:Subject:Message-ID:MIME-Version:Content-Type: Content-Disposition:In-Reply-To; b=nFDREa41OpdoMjTyGd+4E1jbyRF1krt1n9+Oswp2ooTwu/U3zKLC7U1VCelu/QzAqQRCD4O5u9S2Wb1WRqrKK/jIgIZl3JoeLRO8KFjXWKHkuBsiaNiBSTOsWNe3L8t/y50u6vEgtZ7t9UuvMvHVGChK7VfQRNO4CZm3fETCqqM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=bYNJ4qw6; 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="bYNJ4qw6" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 0F62A1F000FF; Fri, 18 Sep 2026 17:33:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1789752834; bh=jPqCA0PRvRC0+/zfORLzf4AIAvw/MERjhvtEVcQRMNs=; h=Date:From:To:Cc:Subject:In-Reply-To; b=bYNJ4qw6qHAdpuueqh/HVTAucQAhHjkArtxIZVmLiUVvCjAL1zXrgWsfVvMTiumIM Ceq+OY4XnA8TCqr6Ing2MCnWyWAq+K/BtfpdjuCiI01oVcBgB2ZftuCLUdB3Fq+ckO haSd093YIN6Y97cTHGbflZLSWMroARlkerJGQdTXHpqzoFWfzQyHRsTZRQ2rQkxiWG 0CIUr2/EgR41Q4tu/3mI59k6/BR7+ehvCetT8Jk0rCmhG3YUNzOqzVykLCTglBPULZ eKx4OyanSbT61vhhzeA2Bk2HZGvnEzvl5nlyaN/S/KTgOFrvXNyXJ3k+4XX4854B+W TlZ56kckXvdhw== Date: Fri, 18 Sep 2026 12:33:53 -0500 From: Bjorn Helgaas To: Feng Tang Cc: Bjorn Helgaas , Logan Gunthorpe , Stephen Bates , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] PCI/P2PDMA: Add Alibaba T-HEAD Yitian 710 to whitelist Message-ID: <20260918173353.GA1167671@bhelgaas> 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: <20260918082412.15967-1-feng.tang@linux.alibaba.com> On Fri, Sep 18, 2026 at 04:24:12PM +0800, Feng Tang wrote: > Alibaba T-HEAD Yitian 710 surports PCI peer-to-peer transactions. Add it > to the P2P whitelist. > > 2 NVME cards with CMB (Command Memory Buffer) have run p2pmem-test [1] > fine, under same root complex and different root complexes. > > [1]. https://github.com/sbates130272/p2pmem-test > > Signed-off-by: Feng Tang Applied to pci/p2pdma for v7.4, thank you! > --- > drivers/pci/p2pdma.c | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/drivers/pci/p2pdma.c b/drivers/pci/p2pdma.c > index c8c414af7078..beb1fe20c9de 100644 > --- a/drivers/pci/p2pdma.c > +++ b/drivers/pci/p2pdma.c > @@ -576,6 +576,8 @@ static const struct pci_p2pdma_whitelist_entry { > {PCI_VENDOR_ID_ZHAOXIN, 0x1006, REQ_SAME_HOST_BRIDGE}, > {PCI_VENDOR_ID_ZHAOXIN, 0x1007, REQ_SAME_HOST_BRIDGE}, > {PCI_VENDOR_ID_ZHAOXIN, 0x1008, 0}, > + /* Alibaba T-HEAD Yitian 710 CPU */ > + {PCI_VENDOR_ID_ALIBABA, 0x8000, 0}, > {} > }; > > > base-commit: 2ce4ced05cd7b16f3d3430eac021d6184752175f > -- > 2.43.5 >