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(parent: 79b07ff) | 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>
Sat, 22 Dec 2018 08:06:45 +0000 (08:06 +0000)
commitbae1c7033493128423dbba9e1eaba946c0b9d1bb
tree59027ad39f7888b4dc3c1f31e18de89e9517431ftree | snapshot
parent79b07ffb99d37d9768582bedca64d486f0159d83commit | 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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