https://github.com/torvalds/linux
Revision dfa9771a7c4784bafd0673bc7abcee3813088b77 authored by Michal Simek on 13 August 2013, 23:00:53 UTC, committed by Linus Torvalds on 14 August 2013, 00:57:48 UTC
Fix inadvertent breakage in the clone syscall ABI for Microblaze that
was introduced in commit f3268edbe6fe ("microblaze: switch to generic
fork/vfork/clone").

The Microblaze syscall ABI for clone takes the parent tid address in the
4th argument; the third argument slot is used for the stack size.  The
incorrectly-used CLONE_BACKWARDS type assigned parent tid to the 3rd
slot.

This commit restores the original ABI so that existing userspace libc
code will work correctly.

All kernel versions from v3.8-rc1 were affected.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
1 parent 41bb347
History
Tip revision: dfa9771a7c4784bafd0673bc7abcee3813088b77 authored by Michal Simek on 13 August 2013, 23:00:53 UTC
microblaze: fix clone syscall
Tip revision: dfa9771
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