From: "Krzysztof Wilczyński" <kwilczynski@kernel.org>
To: Bjorn Helgaas <bhelgaas@google.com>
Cc: "Bjorn Helgaas" <helgaas@kernel.org>,
"Manivannan Sadhasivam" <mani@kernel.org>,
"Lorenzo Pieralisi" <lpieralisi@kernel.org>,
"Magnus Lindholm" <linmag7@gmail.com>,
"Matt Turner" <mattst88@gmail.com>,
"Richard Henderson" <richard.henderson@linaro.org>,
"Christophe Leroy" <chleroy@kernel.org>,
"Madhavan Srinivasan" <maddy@linux.ibm.com>,
"Michael Ellerman" <mpe@ellerman.id.au>,
"Nicholas Piggin" <npiggin@gmail.com>,
"Dexuan Cui" <decui@microsoft.com>,
"Krzysztof Hałasa" <khalasa@piap.pl>,
"Lukas Wunner" <lukas@wunner.de>,
"Oliver O'Halloran" <oohall@gmail.com>,
"Saurabh Singh Sengar" <ssengar@microsoft.com>,
"Shuan He" <heshuan@bytedance.com>,
"Srivatsa Bhat" <srivatsabhat@microsoft.com>,
"Ilpo Järvinen" <ilpo.jarvinen@linux.intel.com>,
linux-pci@vger.kernel.org, linux-alpha@vger.kernel.org,
linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH v5 11/23] alpha/PCI: Add security_locked_down() check to pci_mmap_resource()
Date: Wed, 22 Apr 2026 04:50:42 +0900 [thread overview]
Message-ID: <20260421195042.GD1684602@rocinante> (raw)
In-Reply-To: <20260416180107.777065-12-kwilczynski@kernel.org>
Hello,
> @@ -71,7 +72,11 @@ static int pci_mmap_resource(struct kobject *kobj,
> struct resource *res = attr->private;
> enum pci_mmap_state mmap_type;
> struct pci_bus_region bar;
> - int i;
> + int i, ret;
> +
> + ret = security_locked_down(LOCKDOWN_PCI_ACCESS);
> + if (ret)
> + return ret;
There is feedback from Sashiko about this:
https://sashiko.dev/#/patchset/20260416180107.777065-1-kwilczynski%40kernel.org?part=11
Might be something to look into later. Out of scope for this series.
Thank you!
Krzysztof
next prev parent reply other threads:[~2026-04-21 19:50 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-04-16 18:00 [PATCH v5 00/23] PCI: Convert all dynamic sysfs attributes to static Krzysztof Wilczyński
2026-04-16 18:00 ` [PATCH v5 01/23] PCI/sysfs: Use PCI resource accessor macros Krzysztof Wilczyński
2026-04-16 18:00 ` [PATCH v5 02/23] PCI: Add pci_resource_is_io() and pci_resource_is_mem() helpers Krzysztof Wilczyński
2026-04-16 18:00 ` [PATCH v5 03/23] PCI/sysfs: Only allow supported resource types in I/O and MMIO helpers Krzysztof Wilczyński
2026-04-16 18:00 ` [PATCH v5 04/23] PCI/sysfs: Use BAR length in pci_llseek_resource() when attr->size is zero Krzysztof Wilczyński
2026-04-16 18:00 ` [PATCH v5 05/23] PCI/sysfs: Add CAP_SYS_ADMIN check to __resource_resize_store() Krzysztof Wilczyński
2026-04-16 18:00 ` [PATCH v5 06/23] PCI/sysfs: Add static PCI resource attribute macros Krzysztof Wilczyński
2026-04-16 18:00 ` [PATCH v5 07/23] PCI/sysfs: Convert PCI resource files to static attributes Krzysztof Wilczyński
2026-04-21 19:42 ` Krzysztof Wilczyński
2026-04-16 18:00 ` [PATCH v5 08/23] PCI/sysfs: Warn about BAR resize failure in __resource_resize_store() Krzysztof Wilczyński
2026-04-16 18:00 ` [PATCH v5 09/23] PCI/sysfs: Add stubs for pci_{create,remove}_sysfs_dev_files() Krzysztof Wilczyński
2026-04-16 18:00 ` [PATCH v5 10/23] PCI/sysfs: Limit pci_sysfs_init() late_initcall compile scope Krzysztof Wilczyński
2026-04-16 18:00 ` [PATCH v5 11/23] alpha/PCI: Add security_locked_down() check to pci_mmap_resource() Krzysztof Wilczyński
2026-04-21 19:50 ` Krzysztof Wilczyński [this message]
2026-04-16 18:00 ` [PATCH v5 12/23] alpha/PCI: Use BAR index in sysfs attr->private instead of resource pointer Krzysztof Wilczyński
2026-04-16 18:00 ` [PATCH v5 13/23] alpha/PCI: Use PCI resource accessor macros Krzysztof Wilczyński
2026-04-21 18:43 ` Krzysztof Wilczyński
2026-04-16 18:00 ` [PATCH v5 14/23] alpha/PCI: Fix __pci_mmap_fits() overflow for zero-length BARs Krzysztof Wilczyński
2026-04-16 18:00 ` [PATCH v5 15/23] alpha/PCI: Remove WARN from __pci_mmap_fits() Krzysztof Wilczyński
2026-04-16 18:01 ` [PATCH v5 16/23] alpha/PCI: Add static PCI resource attribute macros Krzysztof Wilczyński
2026-04-16 18:01 ` [PATCH v5 17/23] alpha/PCI: Convert resource files to static attributes Krzysztof Wilczyński
2026-04-16 18:01 ` [PATCH v5 18/23] PCI/sysfs: Remove pci_{create,remove}_sysfs_dev_files() Krzysztof Wilczyński
2026-04-16 18:01 ` [PATCH v5 19/23] PCI: Add macros for legacy I/O and memory address space sizes Krzysztof Wilczyński
2026-04-16 18:01 ` [PATCH v5 20/23] alpha/PCI: Compute legacy size in pci_mmap_legacy_page_range() Krzysztof Wilczyński
2026-04-16 18:01 ` [PATCH v5 21/23] PCI/sysfs: Add __weak pci_legacy_has_sparse() helper Krzysztof Wilczyński
2026-04-16 18:01 ` [PATCH v5 22/23] PCI/sysfs: Convert legacy I/O and memory attributes to static definitions Krzysztof Wilczyński
2026-04-21 20:06 ` Krzysztof Wilczyński
2026-04-16 18:01 ` [PATCH v5 23/23] PCI/sysfs: Remove pci_create_legacy_files() and pci_sysfs_init() Krzysztof Wilczyński
2026-04-17 10:41 ` [PATCH v5 00/23] PCI: Convert all dynamic sysfs attributes to static Krzysztof Wilczyński
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