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Initially bind all interrupts to the boot CPU when using GICv3

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This should be done by routing all interrupts to CPU0,
different assignment will be induced by either interrupts
shuffling or bus_bind_intr().

Reviewed by:   wma
Obtained from: Semihalf
Sponsored by:  Cavium
Differential Revision: https://reviews.freebsd.org/D5229
This commit is contained in:
zbb 2016-02-11 12:01:33 +00:00
parent 0740653d54
commit b8738668ec
2 changed files with 4 additions and 4 deletions
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2
sys/arm64/arm64/gic_v3.c
View File

@ -565,7 +565,7 @@ gic_v3_dist_init(struct gic_v3_softc *sc)
/*
* 4. Route all interrupts to boot CPU.
*/
aff = CPU_AFFINITY(PCPU_GET(cpuid));
aff = CPU_AFFINITY(0);
for (i = GIC_FIRST_SPI; i < sc->gic_nirqs; i++)
gic_d_write(sc, 4, GICD_IROUTER(i), aff);

6
sys/arm64/arm64/gic_v3_its.c
View File

@ -1430,10 +1430,10 @@ its_device_alloc_locked(struct gic_v3_its_softc *sc, device_t pci_dev,
}
/*
* XXX ARM64TODO: Currently all interrupts are going
* to be bound to the CPU that performs the configuration.
* Initially all interrupts go to CPU0 but can be moved
* to another CPU by bus_bind_intr() or interrupts shuffling.
*/
cpuid = PCPU_GET(cpuid);
cpuid = 0;
newdev->col = sc->its_cols[cpuid];
TAILQ_INSERT_TAIL(&sc->its_dev_list, newdev, entry);