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Blame SOURCES/0004-RHEL-7-Remove-User-Mode-Linux-RHBZ-1144197.patch

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From adeeafce7f7ada1c8b98120745388d5a51b27ca3 Mon Sep 17 00:00:00 2001
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From: "Richard W.M. Jones" <rjones@redhat.com>
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Date: Fri, 19 Sep 2014 13:38:20 +0100
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Subject: [PATCH] RHEL 7: Remove User-Mode Linux (RHBZ#1144197).
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This isn't supported in RHEL 7.
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---
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 lib/launch-uml.c | 13 +++++++++++++
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 1 file changed, 13 insertions(+)
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diff --git a/lib/launch-uml.c b/lib/launch-uml.c
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index b8825cf56..1acf8db27 100644
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--- a/lib/launch-uml.c
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+++ b/lib/launch-uml.c
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@@ -44,7 +44,9 @@ struct backend_uml_data {
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   char umid[UML_UMID_LEN+1];    /* umid=<...> unique ID. */
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 };
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+#if 0
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 static void print_vmlinux_command_line (guestfs_h *g, char **argv);
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+#endif
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 /* Run uml_mkcow to create a COW overlay. */
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 static char *
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@@ -81,6 +83,7 @@ create_cow_overlay_uml (guestfs_h *g, void *datav, struct drive *drv)
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   return make_cow_overlay (g, drv->src.u.path);
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 }
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+#if 0
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 /* Test for features which are not supported by the UML backend.
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  * Possibly some of these should just be warnings, not errors.
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  */
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@@ -128,10 +131,17 @@ uml_supported (guestfs_h *g)
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   return true;
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 }
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+#endif
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 static int
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 launch_uml (guestfs_h *g, void *datav, const char *arg)
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 {
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+  error (g,
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+	 "launch: In RHEL, only the 'libvirt' or 'direct' method is supported.\n"
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+	 "In particular, User-Mode Linux (UML) is not supported.");
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+  return -1;
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+
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+#if 0
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   struct backend_uml_data *data = datav;
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   CLEANUP_FREE_STRINGSBUF DECLARE_STRINGSBUF (cmdline);
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   int console_sock = -1, daemon_sock = -1;
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@@ -491,8 +501,10 @@ launch_uml (guestfs_h *g, void *datav, const char *arg)
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   }
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   g->state = CONFIG;
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   return -1;
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+#endif
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 }
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+#if 0
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 /* This is called from the forked subprocess just before vmlinux runs,
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  * so it can just print the message straight to stderr, where it will
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  * be picked up and funnelled through the usual appliance event API.
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@@ -522,6 +534,7 @@ print_vmlinux_command_line (guestfs_h *g, char **argv)
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   fputc ('\n', stderr);
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 }
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+#endif
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 static int
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 shutdown_uml (guestfs_h *g, void *datav, int check_for_errors)
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-- 
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2.17.2
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