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| author | Jens Axboe <axboe@kernel.dk> | 2020-07-08 16:02:13 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-07-08 16:02:13 +0200 |
| commit | 482c6b614a4750f71ed9c928bb5b2007a05dd694 (patch) | |
| tree | 60f9140b0c24fb4b2b1059afcce8ac77ecc3d3c1 /drivers/irqchip/irq-gic.c | |
| parent | block: remove a bogus warning in __submit_bio_noacct_mq (diff) | |
| parent | Linux 5.8-rc4 (diff) | |
| download | linux-482c6b614a4750f71ed9c928bb5b2007a05dd694.tar.xz linux-482c6b614a4750f71ed9c928bb5b2007a05dd694.zip | |
Merge tag 'v5.8-rc4' into for-5.9/drivers
Merge in 5.8-rc4 for-5.9/block to setup for-5.9/drivers, to provide
a clean base and making the life for the NVMe changes easier.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
* tag 'v5.8-rc4': (732 commits)
Linux 5.8-rc4
x86/ldt: use "pr_info_once()" instead of open-coding it badly
MIPS: Do not use smp_processor_id() in preemptible code
MIPS: Add missing EHB in mtc0 -> mfc0 sequence for DSPen
.gitignore: Do not track `defconfig` from `make savedefconfig`
io_uring: fix regression with always ignoring signals in io_cqring_wait()
x86/ldt: Disable 16-bit segments on Xen PV
x86/entry/32: Fix #MC and #DB wiring on x86_32
x86/entry/xen: Route #DB correctly on Xen PV
x86/entry, selftests: Further improve user entry sanity checks
x86/entry/compat: Clear RAX high bits on Xen PV SYSENTER
i2c: mlxcpld: check correct size of maximum RECV_LEN packet
i2c: add Kconfig help text for slave mode
i2c: slave-eeprom: update documentation
i2c: eg20t: Load module automatically if ID matches
i2c: designware: platdrv: Set class based on DMI
i2c: algo-pca: Add 0x78 as SCL stuck low status for PCA9665
mm/page_alloc: fix documentation error
vmalloc: fix the owner argument for the new __vmalloc_node_range callers
mm/cma.c: use exact_nid true to fix possible per-numa cma leak
...
Diffstat (limited to 'drivers/irqchip/irq-gic.c')
| -rw-r--r-- | drivers/irqchip/irq-gic.c | 14 |
1 files changed, 3 insertions, 11 deletions
diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c index 00de05abd3c3..c17fabd6741e 100644 --- a/drivers/irqchip/irq-gic.c +++ b/drivers/irqchip/irq-gic.c @@ -329,10 +329,8 @@ static int gic_irq_set_vcpu_affinity(struct irq_data *d, void *vcpu) static int gic_set_affinity(struct irq_data *d, const struct cpumask *mask_val, bool force) { - void __iomem *reg = gic_dist_base(d) + GIC_DIST_TARGET + (gic_irq(d) & ~3); - unsigned int cpu, shift = (gic_irq(d) % 4) * 8; - u32 val, mask, bit; - unsigned long flags; + void __iomem *reg = gic_dist_base(d) + GIC_DIST_TARGET + gic_irq(d); + unsigned int cpu; if (!force) cpu = cpumask_any_and(mask_val, cpu_online_mask); @@ -342,13 +340,7 @@ static int gic_set_affinity(struct irq_data *d, const struct cpumask *mask_val, if (cpu >= NR_GIC_CPU_IF || cpu >= nr_cpu_ids) return -EINVAL; - gic_lock_irqsave(flags); - mask = 0xff << shift; - bit = gic_cpu_map[cpu] << shift; - val = readl_relaxed(reg) & ~mask; - writel_relaxed(val | bit, reg); - gic_unlock_irqrestore(flags); - + writeb_relaxed(gic_cpu_map[cpu], reg); irq_data_update_effective_affinity(d, cpumask_of(cpu)); return IRQ_SET_MASK_OK_DONE; |