diff options
Diffstat (limited to 'arch/x86/xen/setup.c')
| -rw-r--r-- | arch/x86/xen/setup.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/xen/setup.c b/arch/x86/xen/setup.c index 50c998b844fb..b3e37961065a 100644 --- a/arch/x86/xen/setup.c +++ b/arch/x86/xen/setup.c @@ -44,6 +44,9 @@ struct xen_memory_region xen_extra_mem[XEN_EXTRA_MEM_MAX_REGIONS] __initdata; /* Number of pages released from the initial allocation. */ unsigned long xen_released_pages; +/* Memory map would allow PCI passthrough. */ +bool xen_pv_pci_possible; + /* E820 map used during setting up memory. */ static struct e820_table xen_e820_table __initdata; @@ -814,6 +817,9 @@ char * __init xen_memory_setup(void) chunk_size = size; type = xen_e820_table.entries[i].type; + if (type == E820_TYPE_RESERVED) + xen_pv_pci_possible = true; + if (type == E820_TYPE_RAM) { if (addr < mem_end) { chunk_size = min(size, mem_end - addr); |