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(parent: bdb3554) | 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>
Tue, 20 Mar 2018 08:31:07 +0000 (08:31 +0000)
commitd4a0240bbf79289367f0b77a13728911c355e3dc
treeb174a152ccad489d22f5729e702712a29213ea7atree | snapshot
parentbdb3554bf3c8f6db15fc393c5778b0301bae3401commit | 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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