arch/x86/xen/suspend_hvm.c

Source file repositories/reference/linux-study-clean/arch/x86/xen/suspend_hvm.c

File Facts

System
Linux kernel
Corpus path
arch/x86/xen/suspend_hvm.c
Extension
.c
Size
537 bytes
Lines
28
Domain
Architecture Layer
Bucket
arch/x86
Inferred role
Architecture Layer: implementation source
Status
source implementation candidate

Why This File Exists

CPU and platform-specific kernel glue: boot entry, traps, syscall entry, interrupts, page tables, context switch, and low-level barriers.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0
#include <linux/types.h>

#include <xen/xen.h>
#include <xen/hvm.h>
#include <xen/features.h>
#include <xen/interface/features.h>
#include <xen/events.h>

#include "xen-ops.h"

void xen_hvm_post_suspend(int suspend_cancelled)
{
	if (!suspend_cancelled) {
		xen_hvm_init_shared_info();
		xen_vcpu_restore();
	}
	if (xen_percpu_upcall) {
		unsigned int cpu;

		for_each_online_cpu(cpu)
			BUG_ON(xen_set_upcall_vector(cpu));
	} else {
		xen_setup_callback_vector();
	}
	xen_unplug_emulated_devices();
}

Annotation

Implementation Notes