linux-stable/Documentation
Adrian Bunk 2b666859ec x86: Default to vsyscall=native for now
This UML breakage:

  linux-2.6.30.1[3800] vsyscall fault (exploit attempt?) ip:ffffffffff600000 cs:33 sp:7fbfb9c498 ax:ffffffffff600000 si:0 di:606790
  linux-2.6.30.1[3856] vsyscall fault (exploit attempt?) ip:ffffffffff600000 cs:33 sp:7fbfb13168 ax:ffffffffff600000 si:0 di:606790

Is caused by commit 3ae36655 ("x86-64: Rework vsyscall emulation and add
vsyscall= parameter") - the vsyscall emulation code is not fully cooked
yet as UML relies on some rather fragile SIGSEGV semantics.

Linus suggested in https://lkml.org/lkml/2011/8/9/376 to default
to vsyscall=native for now, this patch implements that.

Signed-off-by: Adrian Bunk <bunk@kernel.org>
Acked-by: Andrew Lutomirski <luto@mit.edu>
Cc: H. Peter Anvin <hpa@linux.intel.com>
Link: http://lkml.kernel.org/r/20111005214047.GE14406@localhost.pp.htv.fi
Signed-off-by: Ingo Molnar <mingo@elte.hu>
2011-10-11 08:23:34 +02:00
..
2010-02-24 13:51:32 +01:00
2008-02-14 00:16:13 -05:00
2008-10-16 11:21:30 -07:00
2011-06-07 16:06:01 +02:00
2011-03-31 11:26:23 -03:00
2011-09-12 11:50:56 -07:00
2011-06-13 13:43:05 +02:00
2011-03-31 11:26:23 -03:00
2011-03-31 11:26:23 -03:00
2011-08-02 21:34:41 +00:00
2011-03-31 11:26:23 -03:00
2011-06-13 13:43:05 +02:00
2011-07-24 10:48:22 +02:00
2011-03-31 11:26:23 -03:00
2011-03-31 11:26:23 -03:00
2011-08-04 16:13:20 -07:00
2010-04-08 11:34:34 +02:00
2008-12-03 16:09:53 -07:00
2008-07-25 10:53:30 -07:00
2011-03-31 11:26:23 -03:00
2011-03-31 11:26:23 -03:00
2011-05-23 15:14:11 -07:00
2011-03-31 11:26:23 -03:00
2011-05-23 15:14:11 -07:00
2008-03-24 19:22:19 -07:00
2011-03-31 11:26:23 -03:00
2009-07-01 22:36:22 +02:00
2011-03-07 13:20:05 -08:00
2009-04-27 12:00:27 -07:00
2009-04-27 12:00:27 -07:00
2011-06-13 13:43:05 +02:00
2010-03-10 17:09:33 -05:00
2011-03-31 11:26:23 -03:00
2010-07-19 10:56:54 +02:00
2010-03-16 11:47:56 +01:00