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powerpc/xive: improve debugging macros
Having the CPU identifier in the debug logs is helpful when tracking issues. Also add some more logging and fix a compile issue in xive_do_source_eoi(). Signed-off-by: Cédric Le Goater <clg@kaod.org> Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
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@ -40,7 +40,8 @@
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#undef DEBUG_ALL
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#ifdef DEBUG_ALL
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#define DBG_VERBOSE(fmt...) pr_devel(fmt)
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#define DBG_VERBOSE(fmt, ...) pr_devel("cpu %d - " fmt, \
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smp_processor_id(), ## __VA_ARGS__)
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#else
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#define DBG_VERBOSE(fmt...) do { } while(0)
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#endif
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@ -344,7 +345,7 @@ void xive_do_source_eoi(u32 hw_irq, struct xive_irq_data *xd)
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xive_esb_read(xd, XIVE_ESB_LOAD_EOI);
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else {
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eoi_val = xive_esb_read(xd, XIVE_ESB_SET_PQ_00);
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DBG_VERBOSE("eoi_val=%x\n", offset, eoi_val);
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DBG_VERBOSE("eoi_val=%x\n", eoi_val);
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/* Re-trigger if needed */
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if ((eoi_val & XIVE_ESB_VAL_Q) && xd->trig_mmio)
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@ -1008,6 +1009,9 @@ static void xive_ipi_eoi(struct irq_data *d)
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{
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struct xive_cpu *xc = __this_cpu_read(xive_cpu);
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DBG_VERBOSE("IPI eoi: irq=%d [0x%lx] (HW IRQ 0x%x) pending=%02x\n",
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d->irq, irqd_to_hwirq(d), xc->hw_ipi, xc->pending_prio);
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/* Handle possible race with unplug and drop stale IPIs */
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if (!xc)
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return;
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