Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1230708
| From | Paul Burton <paul.burton@imgtec.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH 2/3] irqchip: mips-gic: convert CPU numbers to VP IDs |
| Date | 2015-09-22 20:40 +0200 |
| Message-ID | <qbADU-561-43@gated-at.bofh.it> (permalink) |
| References | <qbAue-4UA-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Make use of the mips_cm_vp_id function to convert from Linux CPU numbers to the VP IDs used by hardware, which are not identical in all systems. Without doing so we map interrupts to incorrect VP(E)s. Signed-off-by: Paul Burton <paul.burton@imgtec.com> --- drivers/irqchip/irq-mips-gic.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c index af2f16b..842a53d 100644 --- a/drivers/irqchip/irq-mips-gic.c +++ b/drivers/irqchip/irq-mips-gic.c @@ -426,7 +426,7 @@ static int gic_set_affinity(struct irq_data *d, const struct cpumask *cpumask, spin_lock_irqsave(&gic_lock, flags); /* Re-route this IRQ */ - gic_map_to_vpe(irq, cpumask_first(&tmp)); + gic_map_to_vpe(irq, mips_cm_vp_id(cpumask_first(&tmp))); /* Update the pcpu_masks */ for (i = 0; i < NR_CPUS; i++) @@ -599,7 +599,7 @@ static __init void gic_ipi_init_one(unsigned int intr, int cpu, GIC_SHARED_TO_HWIRQ(intr)); int i; - gic_map_to_vpe(intr, cpu); + gic_map_to_vpe(intr, mips_cm_vp_id(cpu)); for (i = 0; i < NR_CPUS; i++) clear_bit(intr, pcpu_masks[i].pcpu_mask); set_bit(intr, pcpu_masks[cpu].pcpu_mask); -- 2.5.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
[PATCH 0/3] MIPS GIC fixes Paul Burton <paul.burton@imgtec.com> - 2015-09-22 20:30 +0200
[PATCH 1/3] MIPS: CM: provide a function to map from CPU to VP ID Paul Burton <paul.burton@imgtec.com> - 2015-09-22 20:30 +0200
[PATCH 2/3] irqchip: mips-gic: convert CPU numbers to VP IDs Paul Burton <paul.burton@imgtec.com> - 2015-09-22 20:40 +0200
[PATCH 3/3] irqchip: mips-gic: fix pending & mask reads for MIPS64 with 32b GIC Paul Burton <paul.burton@imgtec.com> - 2015-09-22 20:40 +0200
Re: [PATCH 0/3] MIPS GIC fixes Thomas Gleixner <tglx@linutronix.de> - 2015-09-22 21:10 +0200
Re: [PATCH 0/3] MIPS GIC fixes Paul Burton <paul.burton@imgtec.com> - 2015-09-22 21:20 +0200
Re: [PATCH 0/3] MIPS GIC fixes Thomas Gleixner <tglx@linutronix.de> - 2015-09-22 21:40 +0200
csiph-web