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xen: use correct type for physical addresses

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When converting a pfn to a physical address be sure to use 64 bit
wide types or convert the physical address to a pfn if possible.

Signed-off-by: Juergen Gross <jgross@suse.com>
Tested-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
This commit is contained in:
Juergen Gross 2015-01-12 06:05:09 +01:00 committed by David Vrabel
parent f241b0b891
commit e86f949667
1 changed files with 2 additions and 2 deletions
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4
arch/x86/xen/setup.c
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@ -140,7 +140,7 @@ static void __init xen_del_extra_mem(u64 start, u64 size)
unsigned long __ref xen_chk_extra_mem(unsigned long pfn)
{
int i;
unsigned long addr = PFN_PHYS(pfn);
phys_addr_t addr = PFN_PHYS(pfn);
for (i = 0; i < XEN_EXTRA_MEM_MAX_REGIONS; i++) {
if (addr >= xen_extra_mem[i].start &&
@ -284,7 +284,7 @@ static void __init xen_update_mem_tables(unsigned long pfn, unsigned long mfn)
}
/* Update kernel mapping, but not for highmem. */
if ((pfn << PAGE_SHIFT) >= __pa(high_memory))
if (pfn >= PFN_UP(__pa(high_memory - 1)))
return;
if (HYPERVISOR_update_va_mapping((unsigned long)__va(pfn << PAGE_SHIFT),