[{"id":3680040,"web_url":"http://patchwork.ozlabs.org/comment/3680040/","msgid":"<20260421195042.GD1684602@rocinante>","date":"2026-04-21T19:50:42","subject":"Re: [PATCH v5 11/23] alpha/PCI: Add security_locked_down() check to\n pci_mmap_resource()","submitter":{"id":86709,"url":"http://patchwork.ozlabs.org/api/people/86709/","name":"Krzysztof Wilczyński","email":"kwilczynski@kernel.org"},"content":"Hello,\n\n> @@ -71,7 +72,11 @@ static int pci_mmap_resource(struct kobject *kobj,\n> \tstruct resource *res = attr->private;\n> \tenum pci_mmap_state mmap_type;\n> \tstruct pci_bus_region bar;\n> -\tint i;\n> +\tint i, ret;\n> +\n> +\tret = security_locked_down(LOCKDOWN_PCI_ACCESS);\n> +\tif (ret)\n> +\t\treturn ret;\n\nThere is feedback from Sashiko about this:\n\n https://sashiko.dev/#/patchset/20260416180107.777065-1-kwilczynski%40kernel.org?part=11\n\nMight be something to look into later. Out of scope for this series.\n\nThank you!\n\n\tKrzysztof","headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linuxppc-dev@lists.ozlabs.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=XCYXlXCD;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org\n (client-ip=112.213.38.117; helo=lists.ozlabs.org;\n envelope-from=linuxppc-dev+bounces-19913-incoming=patchwork.ozlabs.org@lists.ozlabs.org;\n receiver=patchwork.ozlabs.org)","lists.ozlabs.org;\n arc=none smtp.remote-ip=\"2600:3c0a:e001:78e:0:1991:8:25\"","lists.ozlabs.org;\n dmarc=pass (p=quarantine dis=none) header.from=kernel.org","lists.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=kernel.org header.i=@kernel.org header.a=rsa-sha256\n header.s=k20201202 header.b=XCYXlXCD;\n\tdkim-atps=neutral","lists.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=kernel.org\n (client-ip=2600:3c0a:e001:78e:0:1991:8:25; 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