Fix interrupt clearing in kdump shutdown sequence

Michael Ellerman michael at
Thu Sep 14 13:07:29 EST 2006

On Tue, 2006-09-12 at 17:48 +0530, Mohan Kumar M wrote:
> Hi,
> Some times HVC console on a PPC machine may have pending interrupts and
> in this case kdump shutdown sequence created problem by calling
> chip->end. This should be chip->eoi(). The attached patch fixes this
> issue. Tested on POWER5 box.

Nice catch.

Looks like chip->end() used to == xics_end_irq(), but that vanished and
became xics_eio_(direct|lpar) and got hooked up to chip->eoi(). We
should check there are no other callers of chip->end() which really want


Michael Ellerman
OzLabs, IBM Australia Development Lab

phone: +61 2 6212 1183 (tie line 70 21183)

We do not inherit the earth from our ancestors,
we borrow it from our children. - S.M.A.R.T Person
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