tree d5c1b4e5b9a5e8c22198bc92839c80305641cb09
parent da90fa8ff671a0139772ec3b3e82c06077e82122
author Jeff Dike <jdike@addtoit.com> 1179953860 -0700
committer Linus Torvalds <torvalds@woody.linux-foundation.org> 1179976452 -0700

uml: improve PTRACE_SYSEMU checking

Make the PTRACE_SYSEMU checking more robust.  It will make sure that system
call numbers are reported correctly.  If there is a problem, it will disable
PTRACE_SYSEMU use and use PTRACE_SYSCALL instead.

Thanks to Balaji G for helping reproduce this problem.

Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>