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authorPaolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>2006-10-11 01:21:36 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-11 11:14:20 -0700
commit69fada32d868d7f4be128ea4df8fbe4fd897fc34 (patch)
treeab216b52da48f39a418b1f67671c3fb05fce33df /arch
parent1b4ad242fcfcf1e261604cb91ee5fb8032900997 (diff)
downloadlwn-69fada32d868d7f4be128ea4df8fbe4fd897fc34.tar.gz
lwn-69fada32d868d7f4be128ea4df8fbe4fd897fc34.zip
[PATCH] uml: fix uname under setarch i386
On a 64bit Uml, if run under "setarch i386" (which a user did), uname() currently returns the obtained i686 as machine - fix that. Btw, I'm quite surprised that under setarch i386 a 64-bit binary can run. Cc: Andi Kleen <ak@suse.de> Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Cc: Jeff Dike <jdike@addtoit.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/um/os-Linux/util.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/arch/um/os-Linux/util.c b/arch/um/os-Linux/util.c
index 3f5b1514e8a7..56b8a50e8bc2 100644
--- a/arch/um/os-Linux/util.c
+++ b/arch/um/os-Linux/util.c
@@ -80,11 +80,18 @@ void setup_machinename(char *machine_out)
struct utsname host;
uname(&host);
-#if defined(UML_CONFIG_UML_X86) && !defined(UML_CONFIG_64BIT)
+#ifdef UML_CONFIG_UML_X86
+# ifndef UML_CONFIG_64BIT
if (!strcmp(host.machine, "x86_64")) {
strcpy(machine_out, "i686");
return;
}
+# else
+ if (!strcmp(host.machine, "i686")) {
+ strcpy(machine_out, "x86_64");
+ return;
+ }
+# endif
#endif
strcpy(machine_out, host.machine);
}