From: Andrew Cooper <andrew.cooper3@citrix.com>
Date: Mon, 29 Oct 2018 11:29:54 +0000 (+0000)
Subject: x86/domain: Fix build with GCC 4.3.x
X-Git-Tag: archive/raspbian/4.14.0+80-gd101b417b7-1+rpi1^2~63^2~3095
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=0a1fa635029d100d4b6b7eddb31d49603217cab7;p=xen.git

x86/domain: Fix build with GCC 4.3.x

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

Reported-by: Jan Beulich <JBeulich@suse.com>
Signed-off-by: Andrew Cooper <andrew.cooper3@citrix.com>
Reviewed-by: Wei Liu <wei.liu2@citrix.com>
Acked-by: Jan Beulich <jbeulich@suse.com>
---

diff --git a/xen/arch/x86/domain.c b/xen/arch/x86/domain.c
index d63b71c9f9..19692e2193 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;