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hypercall: bug fix on the address convertion while hypercall 

Before copy data between guest and host, should convert the GPA
to HVA and do the copy.

Signed-off-by: Zheng, Gen <gen.zheng@intel.com>
Reviewed-by: Chen, Jason Cl <jason.cj.chen@intel.com>
Reviewed-by: Yakui, Zhao <yakui.zhao@intel.com>
This commit is contained in:
Zheng, Gen 2018-04-12 10:33:05 +08:00 committed by Jack Ren
parent ebba622d78
commit 3847a4d1a9
1 changed files with 4 additions and 4 deletions
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8
hypervisor/include/common/hypercall.h
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@ -370,8 +370,8 @@ static inline int check_result(int found)
int found = 0; \
typeof(*(ptr)) *h_ptr = (ptr); \
typeof(*(ptr)) *g_ptr = \
(void *)gpa2hpa_check(vm, gpa, \
sizeof(*h_ptr), &found, true); \
HPA2HVA(gpa2hpa_check(vm, gpa, \
sizeof(*h_ptr), &found, true)); \
if (found) { \
*h_ptr = *g_ptr; \
} \
@ -382,8 +382,8 @@ static inline int check_result(int found)
int found = 0; \
typeof(*(ptr)) *h_ptr = (ptr); \
typeof(*(ptr)) *g_ptr = \
(void *)gpa2hpa_check(vm, gpa, \
sizeof(*h_ptr), &found, true); \
HPA2HVA(gpa2hpa_check(vm, gpa, \
sizeof(*h_ptr), &found, true)); \
if (found) { \
*g_ptr = *h_ptr; \
} \