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(parent: 616b3ad) | patch
PCI: Set pci=nobios by default
authorBen Hutchings <ben@decadent.org.uk>
Tue, 16 Feb 2016 02:45:42 +0000 (02:45 +0000)
committerBen Hutchings <ben@decadent.org.uk>
Thu, 17 Jan 2019 18:56:17 +0000 (18:56 +0000)
commitf86bf86ca3fda68de129a81aa11f8da39bcda206
treee072d8c0a7afda2c4d2b5a57ab5752af7e478e3etree | snapshot
parent616b3addda91020b2c70a05322c043de27a2c96acommit | 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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