[PATCH v2 2/6] xen/x86: Remove unnecessary memset() call

From	Boris Ostrovsky <boris.ostrovsky@oracle.com>
Newsgroups	linux.kernel
Subject	[PATCH v2 2/6] xen/x86: Remove unnecessary memset() call
Date	2015-07-16 23:50 +0200
Message-ID	<pMZcu-2eG-9@gated-at.bofh.it> (permalink)
References	<pMZcu-2eG-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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Since ctxt is kzalloc'd there is no need to call a memset for
ctxt->fpu_ctxt.

Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
---
 arch/x86/xen/smp.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/x86/xen/smp.c b/arch/x86/xen/smp.c
index e53be3b..33a4529 100644
--- a/arch/x86/xen/smp.c
+++ b/arch/x86/xen/smp.c
@@ -377,7 +377,6 @@ cpu_initialize_context(unsigned int cpu, struct task_struct *idle)
 	ctxt->user_regs.fs = __KERNEL_PERCPU;
 	ctxt->user_regs.gs = __KERNEL_STACK_CANARY;
 #endif
-	memset(&ctxt->fpu_ctxt, 0, sizeof(ctxt->fpu_ctxt));
 
 	if (!xen_feature(XENFEAT_auto_translated_physmap)) {
 		ctxt->user_regs.eip = (unsigned long)cpu_bringup_and_idle;
-- 
1.8.1.4

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[PATCH v2 2/6] xen/x86: Remove unnecessary memset() call Boris Ostrovsky <boris.ostrovsky@oracle.com> - 2015-07-16 23:50 +0200

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