[Xen-devel] [PATCH] x86/domain: Fix build with GCC 4.3.x

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

GCC 4.3.x can't initialise the user_regs structure like this.

Reported-by: Jan Beulich <JBeulich@xxxxxxxx>
Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
---
CC: Jan Beulich <JBeulich@xxxxxxxx>
CC: Wei Liu <wei.liu2@xxxxxxxxxx>
---
 xen/arch/x86/domain.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/xen/arch/x86/domain.c b/xen/arch/x86/domain.c
index d63b71c..19692e2 100644
--- a/xen/arch/x86/domain.c
+++ b/xen/arch/x86/domain.c
@@ -326,9 +326,8 @@ void free_vcpu_struct(struct vcpu *v)
 /* Initialise various registers to their architectural INIT/RESET state. */
 void arch_vcpu_regs_init(struct vcpu *v)
 {
-    v->arch.user_regs = (typeof(v->arch.user_regs)){
-        .rflags = X86_EFLAGS_MBS,
-    };
+    memset(&v->arch.user_regs, 0, sizeof(v->arch.user_regs));
+    v->arch.user_regs.eflags = X86_EFLAGS_MBS;
 
     memset(v->arch.debugreg, 0, sizeof(v->arch.debugreg));
     v->arch.debugreg[6] = X86_DR6_DEFAULT;
-- 
2.1.4


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