[Minios-devel] [PATCH RFC 01/16] Save/Restore Support: Refactor HYPERVISOR_suspend hypercall

[Bruno Alvisio <bruno.alvisio@xxxxxxxxx>]

Directly using the SHUTDOWN_suspend macro as a parameter for the schedop
hypercall causes an error in the Xen hypercall handler. Also for consistency,
the SHUTDOWN_suspend param is wrapped in the sched_shutdown struct.

Signed-off-by: Bruno Alvisio <bruno.alvisio@xxxxxxxxx>
---
 include/x86/x86_32/hypercall-x86_32.h | 4 ++--
 include/x86/x86_64/hypercall-x86_64.h | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/include/x86/x86_32/hypercall-x86_32.h 
b/include/x86/x86_32/hypercall-x86_32.h
index 5c93464..70505a4 100644
--- a/include/x86/x86_32/hypercall-x86_32.h
+++ b/include/x86/x86_32/hypercall-x86_32.h
@@ -298,8 +298,8 @@ static inline int
 HYPERVISOR_suspend(
        unsigned long srec)
 {
-       return _hypercall3(int, sched_op, SCHEDOP_shutdown,
-                          SHUTDOWN_suspend, srec);
+       struct sched_shutdown shutdown = { .reason = SHUTDOWN_suspend };
+       return _hypercall3(int, sched_op, SCHEDOP_shutdown, &shutdown, srec);
 }
 
 static inline int
diff --git a/include/x86/x86_64/hypercall-x86_64.h 
b/include/x86/x86_64/hypercall-x86_64.h
index 6171812..95f8ade 100644
--- a/include/x86/x86_64/hypercall-x86_64.h
+++ b/include/x86/x86_64/hypercall-x86_64.h
@@ -305,8 +305,8 @@ static inline int
 HYPERVISOR_suspend(
        unsigned long srec)
 {
-       return _hypercall3(int, sched_op, SCHEDOP_shutdown,
-                          SHUTDOWN_suspend, srec);
+       struct sched_shutdown shutdown = { .reason = SHUTDOWN_suspend };
+       return _hypercall3(int, sched_op, SCHEDOP_shutdown, &shutdown, srec);
 }
 
 static inline int
-- 
2.3.2 (Apple Git-55)


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