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(parent: ecd5e44) | patch
PCI: Set pci=nobios by default
authorBen Hutchings <ben@decadent.org.uk>
Tue, 16 Feb 2016 02:45:42 +0000 (02:45 +0000)
committerRaspbian forward porter <root@raspbian.org>
Sat, 5 May 2018 11:51:50 +0000 (12:51 +0100)
commite0f7dc85893f770f9681baf87ab5b2702e718404
treeb83653089832eead63f19219ae937bd653ca8f51tree | snapshot
parentecd5e44bceed26f3efa169c68a7a2f2f7d924ea2commit | 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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