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Revision b6a114d27273c37cd0107b0f49af208168498f05 authored by Michael S. Tsirkin on 13 January 2010, 17:12:30 UTC, committed by Marcelo Tosatti on 25 January 2010, 14:26:39 UTC 
KVM: fix spurious interrupt with irqfd
 
kvm didn't clear irqfd counter on deassign, as a result we could get a
spurious interrupt when irqfd is assigned back. this leads to poor
performance and, in theory, guest crash.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
1 parent cb289d6
Raw File
fips.c 
/*
 * FIPS 200 support.
 *
 * Copyright (c) 2008 Neil Horman <nhorman@tuxdriver.com>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 2 of the License, or (at your option)
 * any later version.
 *
 */

#include "internal.h"

int fips_enabled;
EXPORT_SYMBOL_GPL(fips_enabled);

/* Process kernel command-line parameter at boot time. fips=0 or fips=1 */
static int fips_enable(char *str)
{
	fips_enabled = !!simple_strtol(str, NULL, 0);
	printk(KERN_INFO "fips mode: %s\n",
		fips_enabled ? "enabled" : "disabled");
	return 1;
}

__setup("fips=", fips_enable);
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