diff options
Diffstat (limited to 'xen/arch/x86/cpu/mtrr/main.c')
| -rw-r--r-- | xen/arch/x86/cpu/mtrr/main.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/xen/arch/x86/cpu/mtrr/main.c b/xen/arch/x86/cpu/mtrr/main.c index 45d08986b2..2b3d29fab5 100644 --- a/xen/arch/x86/cpu/mtrr/main.c +++ b/xen/arch/x86/cpu/mtrr/main.c @@ -350,7 +350,7 @@ int mtrr_add_page(unsigned long base, unsigned long size, return -EINVAL; } - if (base & size_or_mask || size & size_or_mask) { + if ((base | (base + size - 1)) >> (paddr_bits - PAGE_SHIFT)) { printk(KERN_WARNING "mtrr: base or size exceeds the MTRR width\n"); return -EINVAL; } |