mirror of
https://github.com/xen-project/xen.git
synced 2026-10-29 10:40:03 +01:00
Fix __gpfn_to_mfn() to work correctly when not executed
in the queried domain's context. Signed-off-by: Keir Fraser <keir@xensource.com>
This commit is contained in:
kaf24@firebug.cl.cam.ac.uk committed
1 parent
53600718bf
commit
b9b24cd1bf
1 file changed
+13
-11
@@ -283,21 +283,23 @@ static inline void shadow_mode_disable(struct domain *d)
|
||||
|
||||
/************************************************************************/
|
||||
|
||||
#define __mfn_to_gpfn(_d, mfn) \
|
||||
( (shadow_mode_translate(_d)) \
|
||||
? get_pfn_from_mfn(mfn) \
|
||||
#define __mfn_to_gpfn(_d, mfn) \
|
||||
( (shadow_mode_translate(_d)) \
|
||||
? get_pfn_from_mfn(mfn) \
|
||||
: (mfn) )
|
||||
|
||||
#define __gpfn_to_mfn(_d, gpfn) \
|
||||
({ \
|
||||
(shadow_mode_translate(_d)) \
|
||||
? get_mfn_from_pfn(gpfn) \
|
||||
: (gpfn); \
|
||||
#define __gpfn_to_mfn(_d, gpfn) \
|
||||
({ \
|
||||
(shadow_mode_translate(_d)) \
|
||||
? (((_d) == current->domain) ? \
|
||||
get_mfn_from_pfn(gpfn) : \
|
||||
gpfn_to_mfn_foreign((_d), (gpfn))) \
|
||||
: (gpfn); \
|
||||
})
|
||||
|
||||
#define __gpfn_to_mfn_foreign(_d, gpfn) \
|
||||
( (shadow_mode_translate(_d)) \
|
||||
? gpfn_to_mfn_foreign(_d, gpfn) \
|
||||
#define __gpfn_to_mfn_foreign(_d, gpfn) \
|
||||
( (shadow_mode_translate(_d)) \
|
||||
? gpfn_to_mfn_foreign(_d, gpfn) \
|
||||
: (gpfn) )
|
||||
|
||||
extern unsigned long gpfn_to_mfn_foreign(
|
||||
|
||||