On Fri, 6 Mar 2020 16:01:41 +0100 Cédric Le Goater clg@kaod.org wrote:

The PowerNV platform has multiple IRQ chips and the xmon command dumping the state of the XIVE interrupt should only operate on the XIVE IRQ chip.

Fixes: 5896163f7f91 ("powerpc/xmon: Improve output of XIVE interrupts") Cc: stable@vger.kernel.org # v5.4+ Signed-off-by: Cédric Le Goater clg@kaod.org

---

Reviewed-by: Greg Kurz groug@kaod.org

arch/powerpc/sysdev/xive/common.c | 4 ++++ 1 file changed, 4 insertions(+)

diff --git a/arch/powerpc/sysdev/xive/common.c b/arch/powerpc/sysdev/xive/common.c index 550baba98ec9..8155adc2225a 100644 --- a/arch/powerpc/sysdev/xive/common.c +++ b/arch/powerpc/sysdev/xive/common.c @@ -261,11 +261,15 @@ notrace void xmon_xive_do_dump(int cpu) int xmon_xive_get_irq_config(u32 hw_irq, struct irq_data *d) {

• struct irq_chip *chip = irq_data_get_irq_chip(d); int rc; u32 target; u8 prio; u32 lirq;

• if (!is_xive_irq(chip))

• return -EINVAL;
  

• rc = xive_ops->get_irq_config(hw_irq, &target, &prio, &lirq); if (rc) { xmon_printf("IRQ 0x%08x : no config rc=%d\n", hw_irq, rc);