diff --git a/drivers/irqchip/irq-gic-v3-its.c b/drivers/irqchip/irq-gic-v3-its.c index 09820f5afc155af73f2503f4e50ec462da8cc495..33c889a371a794db05f3f33a5d44949cbd528d3e 100644 --- a/drivers/irqchip/irq-gic-v3-its.c +++ b/drivers/irqchip/irq-gic-v3-its.c @@ -2095,6 +2095,15 @@ static void its_cpu_init_lpis(void) val = readl_relaxed(rbase + GICR_CTLR); if ((gic_rdists->flags & RDIST_FLAGS_RD_TABLES_PREALLOCATED) && (val & GICR_CTLR_ENABLE_LPIS)) { + /* + * Check that we get the same property table on all + * RDs. If we don't, this is hopeless. + */ + paddr = gicr_read_propbaser(rbase + GICR_PROPBASER); + paddr &= GENMASK_ULL(51, 12); + if (WARN_ON(gic_rdists->prop_table_pa != paddr)) + add_taint(TAINT_CRAP, LOCKDEP_STILL_OK); + paddr = gicr_read_pendbaser(rbase + GICR_PENDBASER); paddr &= GENMASK_ULL(51, 16);