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IOCTL_PRIVCMD_MMAPBATCH: mimic linux behavior and return no error 

even if a pmap_enter_ma() (the underlying hypercall, really) returns one.
The fact that the mapping failed is notified to the called by oring
0xF0000000 to the mfn.  This makes Xen 3.0.4 HVM work.
This commit is contained in:
bouyer 2007-04-27 22:10:39 +00:00
parent 0de32b854f
commit 1e1bf73d65
1 changed files with 3 additions and 2 deletions
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5
sys/arch/xen/xen/privcmd.c
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@ -1,4 +1,4 @@
/* $NetBSD: privcmd.c,v 1.15 2006/10/17 19:57:24 bouyer Exp $ */
/* $NetBSD: privcmd.c,v 1.16 2007/04/27 22:10:39 bouyer Exp $ */
/*-
* Copyright (c) 2004 Christian Limpach.
@ -32,7 +32,7 @@
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: privcmd.c,v 1.15 2006/10/17 19:57:24 bouyer Exp $");
__KERNEL_RCSID(0, "$NetBSD: privcmd.c,v 1.16 2007/04/27 22:10:39 bouyer Exp $");
#include "opt_compat_netbsd.h"
@ -222,6 +222,7 @@ privcmd_ioctl(void *v)
copyout(&mfn, &pmb->arr[i], sizeof(mfn));
}
}
error = 0;
break;
}
#ifndef XEN3