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(parent: 207319c) | 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>
Mon, 30 Oct 2017 15:32:11 +0000 (15:32 +0000)
commit0f9ec76b357168dc2141a15ff8a0e03c791b5d8b
tree8d0cc875ea8f39eca85bff73e3666284f472ac31tree | snapshot
parent207319c517e98f6431cd2453535ca130750ac28ccommit | 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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