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kfraser@localhost.localdomain
a3fc4d842e
On solaris mlock requires a page aligned address and mlock doesn't ensure the pages won't minor page fault. Signed-off-by: Mark Johnson <mark.johnson@sun.com>
46 lines
1.0 KiB
C
46 lines
1.0 KiB
C
/******************************************************************************
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* xc_acm.c
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*
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* Copyright (C) 2005, 2006 IBM Corporation, R Sailer
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*
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* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
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* Use is subject to license terms.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation, version 2 of the
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* License.
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*/
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#include "xc_private.h"
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int xc_acm_op(int xc_handle, int cmd, void *arg, size_t arg_size)
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{
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int ret = -1;
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DECLARE_HYPERCALL;
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hypercall.op = __HYPERVISOR_acm_op;
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hypercall.arg[0] = cmd;
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hypercall.arg[1] = (unsigned long) arg;
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if (lock_pages(arg, arg_size) != 0) {
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PERROR("xc_acm_op: arg lock failed");
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goto out;
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}
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ret = do_xen_hypercall(xc_handle, &hypercall);
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unlock_pages(arg, arg_size);
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out:
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return ret;
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}
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/*
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* Local variables:
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* mode: C
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* c-set-style: "BSD"
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* c-basic-offset: 4
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* tab-width: 4
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* indent-tabs-mode: nil
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* End:
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*/
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