From: Keir Fraser <keir.fraser@citrix.com>
Date: Fri, 7 May 2010 09:02:14 +0000 (+0100)
Subject: domain_create: No need to zero new domain struct as done by arch-dep code
X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~12216
X-Git-Url: https://dgit.raspbian.org/?a=commitdiff_plain;h=5c89fad4283102c1d3b4781cb3e283d0e7302284;p=xen.git

domain_create: No need to zero new domain struct as done by arch-dep code

Fix ia64 to always make this the case.

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
---

diff --git a/xen/arch/ia64/xen/domain.c b/xen/arch/ia64/xen/domain.c
index 7e48b66d40..a15f940561 100644
--- a/xen/arch/ia64/xen/domain.c
+++ b/xen/arch/ia64/xen/domain.c
@@ -407,20 +407,21 @@ void relinquish_vcpu_resources(struct vcpu *v)
 
 struct domain *alloc_domain_struct(void)
 {
-#ifdef CONFIG_IA64_PICKLE_DOMAIN
 	struct domain *d;
+#ifdef CONFIG_IA64_PICKLE_DOMAIN
 	/*
 	 * We pack the MFN of the domain structure into a 32-bit field within
 	 * the page_info structure. Hence the MEMF_bits() restriction.
 	 */
 	d = alloc_xenheap_pages(get_order_from_bytes(sizeof(*d)),
 				MEMF_bits(32 + PAGE_SHIFT));
+#else
+	d = xmalloc(struct domain);
+#endif
+
 	if ( d != NULL )
 		memset(d, 0, sizeof(*d));
 	return d;
-#else
-	return xmalloc(struct domain);
-#endif
 }
 
 void free_domain_struct(struct domain *d)
diff --git a/xen/common/domain.c b/xen/common/domain.c
index 2cd867e814..2759972b76 100644
--- a/xen/common/domain.c
+++ b/xen/common/domain.c
@@ -223,7 +223,6 @@ struct domain *domain_create(
     if ( (d = alloc_domain_struct()) == NULL )
         return NULL;
 
-    memset(d, 0, sizeof(*d));
     d->domain_id = domid;
 
     lock_profile_register_struct(LOCKPROF_TYPE_PERDOM, d, domid, "Domain");