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| author | Steven Smith <ssmith@xensource.com> | 2007-04-27 13:25:58 +0100 |
|---|---|---|
| committer | Steven Smith <ssmith@xensource.com> | 2007-04-27 13:25:58 +0100 |
| commit | ebd759d57e1d8e8512c020fe6d9c6b18034a852d (patch) | |
| tree | 23f124e749ebaf872b1f9c06d644c15d15027013 /xen/common/compat | |
| parent | 2752e8f063f2a7f854ebf36bb0c8fea3e3653dc4 (diff) | |
| download | xen-ebd759d57e1d8e8512c020fe6d9c6b18034a852d.tar.gz xen-ebd759d57e1d8e8512c020fe6d9c6b18034a852d.tar.bz2 xen-ebd759d57e1d8e8512c020fe6d9c6b18034a852d.zip | |
32 on 64: Don't lock up Xen if you need to do lots of grant operations
in a single batch for a 32-on-64 domain.
Signed-off-by: Steven Smith <sos22@cam.ac.uk>
Diffstat (limited to 'xen/common/compat')
| -rw-r--r-- | xen/common/compat/grant_table.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/xen/common/compat/grant_table.c b/xen/common/compat/grant_table.c index b080447110..aea0bfe78e 100644 --- a/xen/common/compat/grant_table.c +++ b/xen/common/compat/grant_table.c @@ -133,7 +133,7 @@ int compat_grant_table_op(unsigned int cmd, break; case GNTTABOP_transfer: - for ( n = 0; i < COMPAT_ARG_XLAT_SIZE / sizeof(*nat.xfer) && i < count && rc == 0; ++i, ++n ) + for ( n = 0; n < COMPAT_ARG_XLAT_SIZE / sizeof(*nat.xfer) && i < count && rc == 0; ++i, ++n ) { if ( unlikely(__copy_from_guest_offset(&cmp.xfer, cmp_uop, i, 1)) ) rc = -EFAULT; @@ -160,7 +160,7 @@ int compat_grant_table_op(unsigned int cmd, break; case GNTTABOP_copy: - for ( n = 0; i < COMPAT_ARG_XLAT_SIZE / sizeof(*nat.copy) && i < count && rc == 0; ++i, ++n ) + for ( n = 0; n < COMPAT_ARG_XLAT_SIZE / sizeof(*nat.copy) && i < count && rc == 0; ++i, ++n ) { if ( unlikely(__copy_from_guest_offset(&cmp.copy, cmp_uop, i, 1)) ) rc = -EFAULT; |