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(parent: 3a7f31d) | patch
PCI: Set pci=nobios by default
authorBen Hutchings <ben@decadent.org.uk>
Tue, 16 Feb 2016 02:45:42 +0000 (02:45 +0000)
committerSalvatore Bonaccorso <carnil@debian.org>
Sun, 5 Jan 2020 14:40:37 +0000 (14:40 +0000)
commit89ade08ecfb91b1fcb16f18fddc2631efa025ea3
tree070c7c8bd97b93b5a3451dcdc2c7ce993c3fe1d3tree | snapshot
parent3a7f31d918767b8f72e4ba2c6225f114acf1d6b0commit | 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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