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40 lines
1.8 KiB
40 lines
1.8 KiB
Subject: backward compatibility
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From: Gerd Hoffmann <kraxel@suse.de>
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Patch-mainline: obsolete
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---
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linux-2.6-xen-sparse/drivers/xen/blkback/xenbus.c | 6 ++++++
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linux-2.6-xen-sparse/drivers/xen/blktap/xenbus.c | 6 ++++++
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2 files changed, 12 insertions(+)
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--- head-2010-11-25.orig/drivers/xen/blkback/xenbus.c 2010-11-22 13:10:22.000000000 +0100
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+++ head-2010-11-25/drivers/xen/blkback/xenbus.c 2010-11-25 10:57:03.000000000 +0100
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@@ -506,6 +506,12 @@ static int connect_ring(struct backend_i
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be->blkif->blk_protocol = BLKIF_PROTOCOL_X86_32;
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else if (0 == strcmp(protocol, XEN_IO_PROTO_ABI_X86_64))
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be->blkif->blk_protocol = BLKIF_PROTOCOL_X86_64;
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+#if 1 /* maintain compatibility with early sles10-sp1 and paravirt netware betas */
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+ else if (0 == strcmp(protocol, "1"))
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+ be->blkif->blk_protocol = BLKIF_PROTOCOL_X86_32;
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+ else if (0 == strcmp(protocol, "2"))
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+ be->blkif->blk_protocol = BLKIF_PROTOCOL_X86_64;
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+#endif
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else {
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xenbus_dev_fatal(dev, err, "unknown fe protocol %s", protocol);
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return -1;
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--- head-2010-11-25.orig/drivers/xen/blktap/xenbus.c 2010-11-25 10:28:23.000000000 +0100
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+++ head-2010-11-25/drivers/xen/blktap/xenbus.c 2010-11-25 10:57:00.000000000 +0100
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@@ -457,6 +457,12 @@ static int connect_ring(struct backend_i
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be->blkif->blk_protocol = BLKIF_PROTOCOL_X86_32;
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else if (0 == strcmp(protocol, XEN_IO_PROTO_ABI_X86_64))
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be->blkif->blk_protocol = BLKIF_PROTOCOL_X86_64;
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+#if 1 /* maintain compatibility with early sles10-sp1 and paravirt netware betas */
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+ else if (0 == strcmp(protocol, "1"))
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+ be->blkif->blk_protocol = BLKIF_PROTOCOL_X86_32;
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+ else if (0 == strcmp(protocol, "2"))
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+ be->blkif->blk_protocol = BLKIF_PROTOCOL_X86_64;
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+#endif
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else {
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xenbus_dev_fatal(dev, err, "unknown fe protocol %s", protocol);
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return -1;
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