[Xen-devel] [PATCH] Deprecate usage of IDE and SCSI frontend devices in paravirt guests

[Glauber de Oliveira Costa <gcosta@xxxxxxxxxx>]

This patch deprecates the usage in IDE and SCSI front end devices in
paravirt guests, through a warning. HVM is untouched.

Comments welcome,

Signed-off-by: Glauber de Oliveira Costa <gcosta@xxxxxxxxxx>
-- 
Glauber de Oliveira Costa
Red Hat Inc.
"Free as in Freedom"

# HG changeset patch
# User gcosta@xxxxxxxxxx
# Date 1161955140 14400
# Node ID bea5de78c62533d3a0efd1c43f41e6ff56572743
# Parent  0c7923eb6b9846c92f1c15486e06ee9745bcf676
[LINUX] Deprecate usage of ide/scsi devices in paravirt guests

diff -r 0c7923eb6b98 -r bea5de78c625 
linux-2.6-xen-sparse/drivers/xen/blkfront/vbd.c
--- a/linux-2.6-xen-sparse/drivers/xen/blkfront/vbd.c   Wed Oct 25 10:27:03 
2006 +0100
+++ b/linux-2.6-xen-sparse/drivers/xen/blkfront/vbd.c   Fri Oct 27 09:19:00 
2006 -0400
@@ -109,10 +109,16 @@ xlbd_alloc_major_info(int major, int min
 
        switch (index) {
        case XLBD_MAJOR_IDE_RANGE:
+#ifdef CONFIG_XEN
+               WPRINTK("Use of IDE block devices inside paravirt guests is 
deprecated\n");
+#endif
                ptr->type = &xlbd_ide_type;
                ptr->index = index - XLBD_MAJOR_IDE_START;
                break;
        case XLBD_MAJOR_SCSI_RANGE:
+#ifdef CONFIG_XEN
+               WPRINTK("Use of SCSI block devices inside paravirt guests is 
deprecated\n");
+#endif
                ptr->type = &xlbd_scsi_type;
                ptr->index = index - XLBD_MAJOR_SCSI_START;
                break;

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