Staging
v0.5.1
https://github.com/torvalds/linux
Raw File
Tip revision: f4d51dffc6c01a9e94650d95ce0104964f8ae822 authored by Linus Torvalds on 07 September 2020, 00:11:40 UTC
Linux 5.9-rc4
Tip revision: f4d51df
commpage.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 @ KVM_GUEST_COMMPAGE_ADDR.
 *
 * 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/vmalloc.h>
#include <linux/fs.h>
#include <linux/memblock.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;
}
back to top