linux_dsm_epyc7002/arch/mips/kvm/commpage.c
Deng-Cheng Zhu db2fb7f202 MIPS: KVM: Skip memory cleaning in kvm_mips_commpage_init()
The commpage is allocated using kzalloc(), so there's no need of cleaning
the memory of the kvm_mips_commpage struct and its internal mips_coproc.

Reviewed-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Deng-Cheng Zhu <dengcheng.zhu@imgtec.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2014-06-30 16:52:03 +02:00

34 lines
866 B
C

/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* commpage, currently used for Virtual COP0 registers.
* Mapped into the guest kernel @ 0x0.
*
* Copyright (C) 2012 MIPS Technologies, Inc. All rights reserved.
* Authors: Sanjay Lal <sanjayl@kymasys.com>
*/
#include <linux/errno.h>
#include <linux/err.h>
#include <linux/module.h>
#include <linux/vmalloc.h>
#include <linux/fs.h>
#include <linux/bootmem.h>
#include <asm/page.h>
#include <asm/cacheflush.h>
#include <asm/mmu_context.h>
#include <linux/kvm_host.h>
#include "commpage.h"
void kvm_mips_commpage_init(struct kvm_vcpu *vcpu)
{
struct kvm_mips_commpage *page = vcpu->arch.kseg0_commpage;
/* Specific init values for fields */
vcpu->arch.cop0 = &page->cop0;
}