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(parent: bf985d8) | patch
PCI: Set pci=nobios by default
authorBen Hutchings <ben@decadent.org.uk>
Tue, 16 Feb 2016 02:45:42 +0000 (02:45 +0000)
committerBastian Blank <waldi@debian.org>
Mon, 13 Aug 2018 13:33:58 +0000 (14:33 +0100)
commit02f86f736730741c7819c42bf36247740b0ccf18
tree1c2f7de5aeb58c45ec70731b0da5067069d5e62etree | snapshot
parentbf985d8630650e8169044c490c101f2d2f9c707acommit | 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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