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(parent: 44986be) | patch
PCI: Set pci=nobios by default
authorBen Hutchings <ben@decadent.org.uk>
Tue, 16 Feb 2016 02:45:42 +0000 (02:45 +0000)
committerPeter Michael Green <plugwash@raspbian.org>
Wed, 7 Feb 2018 23:32:32 +0000 (23:32 +0000)
commit24e13e85173cc8cbbb803a7f9c978e0c25c50554
treecfd6cf80bded47a0d007794be9393e6673f456fftree | snapshot
parent44986bebe6b02cfa3b6be4afec4f30e59dbefc4dcommit | 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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