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(parent: 7c27c75) | 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>
Sun, 13 Nov 2016 04:38:09 +0000 (04:38 +0000)
commit2258c36512240df4cf4bb90e95c89c5cf052dcef
tree279f5aeef33c4dfa9a1a9bf7919c94d6030f801ftree | snapshot
parent7c27c7564091051a65ac4b8868bd1615bb788e1bcommit | 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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