diff options
| author | Christoph Lameter <cl@linux.com> | 2014-08-17 21:30:39 +0400 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2014-08-26 21:45:48 +0400 |
| commit | 532d0d0690d1532dcc5a190162ad820b636bcd4d (patch) | |
| tree | 0e8223f94910d1bb0d7a9426c501d13a3023a9de | |
| parent | eee8492db674a5c89daa83158d8bf2839efc8850 (diff) | |
| download | linux-532d0d0690d1532dcc5a190162ad820b636bcd4d.tar.xz | |
irqchips: Replace __this_cpu_ptr uses
[ARM specific]
These are generally replaced with raw_cpu_ptr. However, in
gic_get_percpu_base() we immediately dereference the pointer. This is
equivalent to a raw_cpu_read. So use that operation there.
Cc: nicolas.pitre@linaro.org
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Christoph Lameter <cl@linux.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
| -rw-r--r-- | drivers/irqchip/irq-gic.c | 10 | ||||
| -rw-r--r-- | kernel/irq/chip.c | 2 |
2 files changed, 6 insertions, 6 deletions
diff --git a/drivers/irqchip/irq-gic.c b/drivers/irqchip/irq-gic.c index 4b959e606fe8..399a707ec51e 100644 --- a/drivers/irqchip/irq-gic.c +++ b/drivers/irqchip/irq-gic.c @@ -102,7 +102,7 @@ static struct gic_chip_data gic_data[MAX_GIC_NR] __read_mostly; #ifdef CONFIG_GIC_NON_BANKED static void __iomem *gic_get_percpu_base(union gic_base *base) { - return *__this_cpu_ptr(base->percpu_base); + return raw_cpu_read(base->percpu_base); } static void __iomem *gic_get_common_base(union gic_base *base) @@ -504,11 +504,11 @@ static void gic_cpu_save(unsigned int gic_nr) if (!dist_base || !cpu_base) return; - ptr = __this_cpu_ptr(gic_data[gic_nr].saved_ppi_enable); + ptr = raw_cpu_ptr(gic_data[gic_nr].saved_ppi_enable); for (i = 0; i < DIV_ROUND_UP(32, 32); i++) ptr[i] = readl_relaxed(dist_base + GIC_DIST_ENABLE_SET + i * 4); - ptr = __this_cpu_ptr(gic_data[gic_nr].saved_ppi_conf); + ptr = raw_cpu_ptr(gic_data[gic_nr].saved_ppi_conf); for (i = 0; i < DIV_ROUND_UP(32, 16); i++) ptr[i] = readl_relaxed(dist_base + GIC_DIST_CONFIG + i * 4); @@ -530,11 +530,11 @@ static void gic_cpu_restore(unsigned int gic_nr) if (!dist_base || !cpu_base) return; - ptr = __this_cpu_ptr(gic_data[gic_nr].saved_ppi_enable); + ptr = raw_cpu_ptr(gic_data[gic_nr].saved_ppi_enable); for (i = 0; i < DIV_ROUND_UP(32, 32); i++) writel_relaxed(ptr[i], dist_base + GIC_DIST_ENABLE_SET + i * 4); - ptr = __this_cpu_ptr(gic_data[gic_nr].saved_ppi_conf); + ptr = raw_cpu_ptr(gic_data[gic_nr].saved_ppi_conf); for (i = 0; i < DIV_ROUND_UP(32, 16); i++) writel_relaxed(ptr[i], dist_base + GIC_DIST_CONFIG + i * 4); diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index a2b28a2fd7b1..cca7292fc61e 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -669,7 +669,7 @@ void handle_percpu_devid_irq(unsigned int irq, struct irq_desc *desc) { struct irq_chip *chip = irq_desc_get_chip(desc); struct irqaction *action = desc->action; - void *dev_id = __this_cpu_ptr(action->percpu_dev_id); + void *dev_id = raw_cpu_ptr(action->percpu_dev_id); irqreturn_t res; kstat_incr_irqs_this_cpu(irq, desc); |