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AJvYcCV+idnWvUONF+HXlX8QlOVEqIN7B7m8L6aYAPNksZhbdnbUucmPjk889rAEAd58IZxe4psOlxEyhTSNIAI=@vger.kernel.org X-Gm-Message-State: AOJu0YwwUErO1G87J8wJBqHD+4RbLttZBpcN2/Fer3bBAv6X0TUQ+Q2a sooHjsCZ6p0yY3rqSMGXFI5qjsCAU6mUlC8PC1s+yzw5RV09w00WpGpxDo0GNuUeijrJtBVA0JA AJg== X-Google-Smtp-Source: AGHT+IHtk8QhNUJ5IVao0gvIDKE2j52eZP0sIqAgCjZecx7PvM8TzFSmR+acBjaj46uiYVes4srTDuaJU+E= X-Received: from pfbjt23.prod.google.com ([2002:a05:6a00:91d7:b0:730:8a7b:24e0]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a05:6a21:790b:b0:1ee:a914:1d64 with SMTP id adf61e73a8af0-1eea9142045mr14137360637.28.1739892176009; Tue, 18 Feb 2025 07:22:56 -0800 (PST) Date: Tue, 18 Feb 2025 07:22:54 -0800 In-Reply-To: <469ee330-7736-4059-9e59-ec7b9a6d3c8b@suse.cz> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250210063227.41125-1-shivankg@amd.com> <20250210063227.41125-3-shivankg@amd.com> <469ee330-7736-4059-9e59-ec7b9a6d3c8b@suse.cz> Message-ID: Subject: Re: [RFC PATCH v4 2/3] mm/mempolicy: export memory policy symbols From: Sean Christopherson To: Vlastimil Babka Cc: Shivank Garg , akpm@linux-foundation.org, willy@infradead.org, pbonzini@redhat.com, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, kvm@vger.kernel.org, linux-coco@lists.linux.dev, chao.gao@intel.com, ackerleytng@google.com, david@redhat.com, bharata@amd.com, nikunj@amd.com, michael.day@amd.com, Neeraj.Upadhyay@amd.com, thomas.lendacky@amd.com, michael.roth@amd.com Content-Type: text/plain; charset="us-ascii" On Mon, Feb 17, 2025, Vlastimil Babka wrote: > On 2/10/25 07:32, Shivank Garg wrote: > > Export memory policy related symbols needed by the KVM guest-memfd to > > implement NUMA policy support. > > > > These symbols are required to implement per-memory region NUMA policies > > for guest memory, allowing VMMs to control guest memory placement across > > NUMA nodes. > > > > Signed-off-by: Shivank Garg > > I think we should use EXPORT_SYMBOL_GPL() these days. > > Wasn't there also some way to limit the exports to KVM? The infrastructure is still a WIP[1], though when that lands, I definitely plan on tightening down the KVM-induced exports[2]. [1] https://lore.kernel.org/all/20241202145946.108093528@infradead.org [2] https://lore.kernel.org/all/ZzJOoFFPjrzYzKir@google.com