af027449ce
OBS-URL: https://build.opensuse.org/package/show/Virtualization/xen?expand=0&rev=57fc5c74eb69b67a87b8330bd3592db8
23 lines
901 B
Diff
23 lines
901 B
Diff
# HG changeset patch
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# User Keir Fraser <keir.fraser@citrix.com>
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# Date 1274857778 -3600
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# Node ID a69d09da4917c7b57ceed65224e4bbc389601081
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# Parent 32cdd423d4ebab2b2d03a4501be08438c5dc7050
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compat-guest accessor macros do not need address check for hvm guests.
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Signed-off-by: Tim Deegan <Tim.Deegan@citrix.com>
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--- a/xen/include/xen/compat.h
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+++ b/xen/include/xen/compat.h
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@@ -90,8 +90,9 @@
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* Allows use of faster __copy_* functions.
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*/
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#define compat_handle_okay(hnd, nr) \
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+ (paging_mode_external(current->domain) || \
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compat_array_access_ok((void *)(full_ptr_t)(hnd).c, (nr), \
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- sizeof(**(hnd)._))
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+ sizeof(**(hnd)._)))
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#define __copy_to_compat_offset(hnd, off, ptr, nr) ({ \
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const typeof(*(ptr)) *_s = (ptr); \
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