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(parent: bbb3098) | patch
PCI: Set pci=nobios by default
authorBen Hutchings <ben@decadent.org.uk>
Tue, 16 Feb 2016 02:45:42 +0000 (02:45 +0000)
committerYves-Alexis Perez <corsac@debian.org>
Fri, 9 Feb 2018 12:58:52 +0000 (12:58 +0000)
commitcf0ba8dbed4950fd4f220e484cbebe14bc73a6f5
treea542e13ce023f6a14c70d4f1437e5fc78eebb83dtree | snapshot
parentbbb309893c0a9b95e43222da31754141d3b6d4f0commit | 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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