Path: csiph.com!weretis.net!feeder9.news.weretis.net!usenet.blueworldhosting.com!diablo1.usenet.blueworldhosting.com!news.corradoroberto.it!gothmog.csi.it!bofh.it!news.nic.it!robomod From: Uwe =?utf-8?Q?Kleine-K=C3=B6nig?= Newsgroups: linux.debian.bugs.dist,linux.debian.kernel Subject: Bug#1090072: linux-image-amd64: Enable P2P and HMM feature for AMDGPU Date: Mon, 06 Jan 2025 15:10:01 +0100 Message-ID: References: X-Original-To: Yiyang Wu , 1090072@bugs.debian.org X-Mailbox-Line: From debian-bugs-dist-request@lists.debian.org Mon Jan 6 14:00:09 2025 Old-Return-Path: X-Spam-Flag: NO X-Spam-Score: -4 Reply-To: Uwe =?UTF-8?Q?Kleine-K=C3=B6nig?= , 1090072@bugs.debian.org Resent-To: debian-bugs-dist@lists.debian.org Resent-Cc: Debian Kernel Team X-Debian-Pr-Message: followup 1090072 X-Debian-Pr-Package: src:linux X-Debian-Pr-Keywords: patch X-Debian-Pr-Source: linux MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="umbeogzijci4jud2" Content-Disposition: inline X-Debian-Message: from BTS X-Mailing-List: archive/latest/1878316 List-ID: List-URL: Approved: robomod@news.nic.it Lines: 61 Organization: linux.* mail to news gateway Sender: robomod@news.nic.it X-Original-Date: Mon, 6 Jan 2025 14:42:16 +0100 X-Original-Message-ID: X-Original-References: <173432192374.2966863.14994943554901188824.reportbug@Dormwuyy> <173432192374.2966863.14994943554901188824.reportbug@Dormwuyy> Xref: csiph.com linux.debian.bugs.dist:1227058 linux.debian.kernel:85040 --umbeogzijci4jud2 Content-Type: text/plain; protected-headers=v1; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Subject: Re: Bug#1090072: linux-image-amd64: Enable P2P and HMM feature for AMDGPU MIME-Version: 1.0 Control: merge -1 1015871 Hello, On Mon, Dec 16, 2024 at 12:05:23PM +0800, Yiyang Wu wrote: > Package: linux-image-amd64 > Version: 6.12.3-1 > Severity: wishlist > Tags: patch > X-Debbugs-Cc: Benda Xu >=20 > The peer to peer (P2P) data transfer is important for programs that use m= ulti-GPU.=20 >=20 > The heterogeneous memory management (HMM), is a mechanism to treat CPU me= mory > and GPU memory in a joint address space. It is an essential part of Unifi= ed > Memory in heterogeneous computing, which frees the developer from manually > handling data migration across different types of memories. Data will be > automatically transferred and cached into the memory of the compute node.= This > programming model is gaining popularity, and for AMD GPU and ROCm, cards = that > support xnack replay can utilize this model if CONFIG_HSA_AMD_SVM=3Dy This request came up already in the past, see https://bugs.debian.org/10158= 71 Back then this looked more like some niche thing that mostly helps people who need a custom kernel anyhow. Does this new bug report mean that things have changed? Best regards Uwe --umbeogzijci4jud2 Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAABCgAdFiEEP4GsaTp6HlmJrf7Tj4D7WH0S/k4FAmd73bQACgkQj4D7WH0S /k4LQQgAqY8CYEsnOUYoNYjGcYU+75oW52dUTZjAl9QXLu2GeY5/z8L/SuAuEko4 BvVrzzUihUzxys7n/OzJEPOJWbFK8+hHyj3Dyxl0yUcZSSNEse0FJeso3ax+x6vq qVvDkaFqVriHpL5d2VGF+V0HgDUAISRyaOHUvhyn+XidqrSbw7G9gAk8xokwqU0k DHhF3iriFW9tQgBIHjd/Yknv1cNEaYWk0xhxfc+DlhyhNceIRk2puEGKsu6ditCv 2ugyZEc3HIWJh1MYhXrG8zCtewoSygHshNfl+3n6bnMyL7ZlSwnrRl/u3+izhUez Ngun/IiENizDUqQAX8kHri2wlQYrkA== =jmdv -----END PGP SIGNATURE----- --umbeogzijci4jud2--