From: Maxim Kuvyrkov <maxim@codesourcery.com>
Date: Mon, 7 Dec 2009 08:24:27 +0000 (-0800)
Subject: m68k: Add NPTL support
X-Git-Tag: v2.6.34-rc1~267^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9674cdc74d63f346870943ef966a034f8c71ee57;p=pandora-kernel.git

m68k: Add NPTL support

This patch adds several syscalls, that provide necessary
functionality to support NPTL on m68k/ColdFire.
The syscalls are get_thread_area, set_thread_area, atomic_cmpxchg_32 and
atomic_barrier.
The cmpxchg syscall is required for ColdFire as it doesn't support 'cas'
instruction.

Also a ptrace call PTRACE_GET_THREAD_AREA is added to allow debugger to
inspect the TLS storage.

Signed-off-by: Maxim Kuvyrkov <maxim@codesourcery.com>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
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