Re: [Xen-devel] [PATCH 1/2] x86/efi: Reserve SMBIOS table region when EFI booting

2015-04-13 Thread Jan Beulich
>>> On 02.04.15 at 10:24, wrote: > Some EFI firmware implementations may place the SMBIOS table in RAM > marked as BootServicesData, which Xen does not consider as reserved. > When dom0 tries to access the SMBIOS, the region is not contained in the > initial P2M and it crashes with a page fault. T

Re: [Xen-devel] [PATCH 1/2] x86/efi: Reserve SMBIOS table region when EFI booting

2015-04-02 Thread Andrew Cooper
On 02/04/15 09:24, Ross Lagerwall wrote: > Some EFI firmware implementations may place the SMBIOS table in RAM > marked as BootServicesData, which Xen does not consider as reserved. > When dom0 tries to access the SMBIOS, the region is not contained in the > initial P2M and it crashes with a page f

[Xen-devel] [PATCH 1/2] x86/efi: Reserve SMBIOS table region when EFI booting

2015-04-02 Thread Ross Lagerwall
Some EFI firmware implementations may place the SMBIOS table in RAM marked as BootServicesData, which Xen does not consider as reserved. When dom0 tries to access the SMBIOS, the region is not contained in the initial P2M and it crashes with a page fault. To fix this, reserve the SMBIOS region. Al