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xen-changelog
[Xen-changelog] [xen-unstable] [IA64] A small fix in mm.c. Use PAGE_MASK
# HG changeset patch
# User Isaku Yamahata <yamahata@xxxxxxxxxxxxx>
# Date 1222310873 -32400
# Node ID 325904748847d17e8a6999da1a208b01ce9d90cf
# Parent 6055360dbfe4848682ee8c65bce19c57e1728034
[IA64] A small fix in mm.c. Use PAGE_MASK, not ~PAGE_MASK.
~PAGE_MASK was wrongly used to get page aligned address.
Use PAGE_MASK, not ~PAGE_MASK.
Signed-off-by: Anthony xu <anthony.xu@xxxxxxxxx>
---
xen/arch/ia64/xen/mm.c | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)
diff -r 6055360dbfe4 -r 325904748847 xen/arch/ia64/xen/mm.c
--- a/xen/arch/ia64/xen/mm.c Thu Sep 25 11:47:53 2008 +0900
+++ b/xen/arch/ia64/xen/mm.c Thu Sep 25 11:47:53 2008 +0900
@@ -1016,10 +1016,10 @@ ioports_permit_access(struct domain *d,
lp = IO_SPACE_PORT(lp);
if (space->sparse) {
- mmio_start = IO_SPACE_SPARSE_ENCODING(fp) & ~PAGE_MASK;
+ mmio_start = IO_SPACE_SPARSE_ENCODING(fp) & PAGE_MASK;
mmio_end = PAGE_ALIGN(IO_SPACE_SPARSE_ENCODING(lp));
} else {
- mmio_start = fp & ~PAGE_MASK;
+ mmio_start = fp & PAGE_MASK;
mmio_end = PAGE_ALIGN(lp);
}
@@ -1079,10 +1079,10 @@ ioports_deny_access(struct domain *d, un
lp_base = IO_SPACE_PORT(lp);
if (space->sparse) {
- mmio_start = IO_SPACE_SPARSE_ENCODING(fp_base) & ~PAGE_MASK;
+ mmio_start = IO_SPACE_SPARSE_ENCODING(fp_base) & PAGE_MASK;
mmio_end = PAGE_ALIGN(IO_SPACE_SPARSE_ENCODING(lp_base));
} else {
- mmio_start = fp_base & ~PAGE_MASK;
+ mmio_start = fp_base & PAGE_MASK;
mmio_end = PAGE_ALIGN(lp_base);
}
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