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ppc/xics: allow ICSState to have an offset 0 

commit 15ed653fa4 ("ppc/xics: An ICS with offset 0 is assumed to be
uninitialized") introduced an extra check on the ICS offset which is
not strictly necessary.

Revert the change to be able to map the XICS IRQ number space on the
XIVE IRQ number space.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Cédric Le Goater 2019-01-02 06:57:41 +01:00 committed by David Gibson
parent 872ff3dea3
commit 72c1e5a66a
1 changed files with 1 additions and 2 deletions
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3
include/hw/ppc/xics.h
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@ -139,8 +139,7 @@ struct ICSState {
static inline bool ics_valid_irq(ICSState *ics, uint32_t nr)
{
return (ics->offset != 0) && (nr >= ics->offset)
&& (nr < (ics->offset + ics->nr_irqs));
return (nr >= ics->offset) && (nr < (ics->offset + ics->nr_irqs));
}
struct ICSIRQState {