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    SubjectRe: [BUG] Lockdep recursive locking in kmem_cache_free
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    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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