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From cbb6a42b9074ed78c74ddefee4ec7571132a4d24 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 8: Remove User-Mode Linux (RHBZ#1144197).
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This isn't supported in RHEL 8.
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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 da20c17d9..a5e0e8179 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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2.18.4
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