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(parent: b07050f) | patch
PCI: Set pci=nobios by default
authorBen Hutchings <ben@decadent.org.uk>
Tue, 16 Feb 2016 02:45:42 +0000 (02:45 +0000)
committerBastian Blank <waldi@debian.org>
Sun, 16 Dec 2018 18:45:54 +0000 (18:45 +0000)
commitb8fae537aa9f3ef172e7f2e2cfedf18c9462d9df
tree471846969cbb256b9f4c1448b55d7bb69a7158aetree | snapshot
parentb07050f4510d7443bfa22fe115e717bfdde4eaaccommit | diff
PCI: Set pci=nobios by default

CONFIG_PCI_GOBIOS results in physical addresses 640KB-1MB being mapped
W+X, which is undesirable for security reasons and will result in a
warning at boot now that we enable CONFIG_DEBUG_WX.

This can be overridden using the kernel parameter "pci=nobios", but we
want to disable W+X by default.  Disable PCI BIOS probing by default;
it can still be enabled using "pci=bios".

Gbp-Pq: Topic debian
Gbp-Pq: Name i386-686-pae-pci-set-pci-nobios-by-default.patch
arch/x86/pci/common.c diff | blob | history
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