Re: [BUG] Lockdep recursive locking in kmem_cache_free

[Thomas Gleixner]

On Fri, 2006-07-28 at 08:35 -0700, Christoph Lameter wrote:
> On Fri, 28 Jul 2006, Thomas Gleixner wrote:
> 
> > If you need more info, I can add debugs. It happens every bootup.
> 
> Could you tell me why _spin_lock and _spin_unlock seem 
> to be calling into the slab allocator? Also what is child_rip()? Cannot 
> find that function upstream.

arch/x86_64/kernel/entry.S

child_rip:
        /*
         * Here we are in the child and the registers are set as they were
         * at kernel_thread() invocation in the parent.
         */
        movq %rdi, %rax
        movq %rsi, %rdi
        call *%rax
        # exit
        xorl %edi, %edi
        call do_exit
ENDPROC(child_rip)

	tglx


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