[PATCH v3 4/4] KGDB: make kgdb_breakpoint() as noinline

[Will Deacon]

On Fri, Oct 18, 2013 at 12:07:49PM +0100, vijay.kilari at gmail.com wrote:
> From: Vijaya Kumar K <Vijaya.Kumar at caviumnetworks.com>
> 
> The function kgdb_breakpoint() sets up break point at
> compile time by calling arch_kgdb_breakpoint();
> Though this call is surrounded by wmb() barrier,
> the compile can still re-order the break point,
> because this scheduling barrier is not a code motion
> barrier in gcc.
> 
> Making kgdb_breakpoint() as noinline solves this problem
> of code reording around break point instruction and also
> avoids problem of being called as inline function from
> other places
> 
> More details about discussion on this can be found here
> http://comments.gmane.org/gmane.linux.ports.arm.kernel/269732
> 
> Signed-off-by: Vijaya Kumar K <Vijaya.Kumar at caviumnetworks.com>

  Acked-by: Will Deacon <will.deacon at arm.com>

I guess this goes via Jason's tree?

Will