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authorDavid Vrabel <david.vrabel@citrix.com>2012-05-04 15:29:46 +0200
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2012-05-07 18:16:21 +0200
commit76a8df7b49168509df02461f83fab117a4a86e08 (patch)
tree64da15c892104735332bc1fe2783579aac7f3793 /drivers/xen/Kconfig
parentxen/pte: Fix crashes when trying to see non-existent PGD/PMD/PUD/PTEs (diff)
downloadlinux-76a8df7b49168509df02461f83fab117a4a86e08.tar.xz
linux-76a8df7b49168509df02461f83fab117a4a86e08.zip
xen/pci: don't use PCI BIOS service for configuration space accesses
The accessing PCI configuration space with the PCI BIOS32 service does not work in PV guests. On systems without MMCONFIG or where the BIOS hasn't marked the MMCONFIG region as reserved in the e820 map, the BIOS service is probed (even though direct access is preferred) and this hangs. CC: stable@kernel.org Acked-by: Jan Beulich <jbeulich@suse.com> Signed-off-by: David Vrabel <david.vrabel@citrix.com> [v1: Fixed compile error when CONFIG_PCI is not set] Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Diffstat (limited to 'drivers/xen/Kconfig')
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