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-rw-r--r--arch/arm/common/gic.c45
-rw-r--r--arch/arm/include/asm/hardware/gic.h1
-rw-r--r--arch/arm/kernel/smp.c3
-rw-r--r--arch/arm/mach-exynos/platsmp.c4
-rw-r--r--arch/arm/mach-highbank/platsmp.c4
-rw-r--r--arch/arm/mach-imx/platsmp.c2
-rw-r--r--arch/arm/mach-msm/platsmp.c4
-rw-r--r--arch/arm/mach-omap2/omap-smp.c4
-rw-r--r--arch/arm/mach-realview/platsmp.c3
-rw-r--r--arch/arm/mach-shmobile/platsmp.c2
-rw-r--r--arch/arm/mach-shmobile/smp-emev2.c2
-rw-r--r--arch/arm/mach-socfpga/platsmp.c2
-rw-r--r--arch/arm/mach-spear13xx/platsmp.c2
-rw-r--r--arch/arm/mach-tegra/platsmp.c2
-rw-r--r--arch/arm/mach-ux500/platsmp.c4
-rw-r--r--arch/arm/mach-vexpress/ct-ca9x4.c2
-rw-r--r--arch/arm/mach-vexpress/platsmp.c2
-rw-r--r--arch/arm/plat-versatile/platsmp.c2
18 files changed, 33 insertions, 57 deletions
diff --git a/arch/arm/common/gic.c b/arch/arm/common/gic.c
index 36ae03a3f5d..788658cca96 100644
--- a/arch/arm/common/gic.c
+++ b/arch/arm/common/gic.c
@@ -617,6 +617,27 @@ static void __init gic_pm_init(struct gic_chip_data *gic)
}
#endif
+#ifdef CONFIG_SMP
+void gic_raise_softirq(const struct cpumask *mask, unsigned int irq)
+{
+ int cpu;
+ unsigned long map = 0;
+
+ /* Convert our logical CPU mask into a physical one. */
+ for_each_cpu(cpu, mask)
+ map |= 1 << cpu_logical_map(cpu);
+
+ /*
+ * Ensure that stores to Normal memory are visible to the
+ * other CPUs before issuing the IPI.
+ */
+ dsb();
+
+ /* this always happens on GIC0 */
+ writel_relaxed(map << 16 | irq, gic_data_dist_base(&gic_data[0]) + GIC_DIST_SOFTINT);
+}
+#endif
+
static int gic_irq_domain_map(struct irq_domain *d, unsigned int irq,
irq_hw_number_t hw)
{
@@ -743,6 +764,9 @@ void __init gic_init_bases(unsigned int gic_nr, int irq_start,
if (WARN_ON(!gic->domain))
return;
+#ifdef CONFIG_SMP
+ set_smp_cross_call(gic_raise_softirq);
+#endif
gic_chip.flags |= gic_arch_extn.flags;
gic_dist_init(gic);
gic_cpu_init(gic);
@@ -756,27 +780,6 @@ void __cpuinit gic_secondary_init(unsigned int gic_nr)
gic_cpu_init(&gic_data[gic_nr]);
}
-#ifdef CONFIG_SMP
-void gic_raise_softirq(const struct cpumask *mask, unsigned int irq)
-{
- int cpu;
- unsigned long map = 0;
-
- /* Convert our logical CPU mask into a physical one. */
- for_each_cpu(cpu, mask)
- map |= gic_cpu_map[cpu];
-
- /*
- * Ensure that stores to Normal memory are visible to the
- * other CPUs before issuing the IPI.
- */
- dsb();
-
- /* this always happens on GIC0 */
- writel_relaxed(map << 16 | irq, gic_data_dist_base(&gic_data[0]) + GIC_DIST_SOFTINT);
-}
-#endif
-
#ifdef CONFIG_OF
static int gic_cnt __initdata = 0;
diff --git a/arch/arm/include/asm/hardware/gic.h b/arch/arm/include/asm/hardware/gic.h
index fc596989241..cfd3a7eb453 100644
--- a/arch/arm/include/asm/hardware/gic.h
+++ b/arch/arm/include/asm/hardware/gic.h
@@ -40,7 +40,6 @@ int gic_of_init(struct device_node *node, struct device_node *parent);
void gic_secondary_init(unsigned int);
void gic_handle_irq(struct pt_regs *regs);
void gic_cascade_irq(unsigned int gic_nr, unsigned int irq);
-void gic_raise_softirq(const struct cpumask *mask, unsigned int irq);
static inline void gic_init(unsigned int nr, int start,
void __iomem *dist , void __iomem *cpu)
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index 84f4cbf652e..3fc96db2a4b 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -416,7 +416,8 @@ static void (*smp_cross_call)(const struct cpumask *, unsigned int);
void __init set_smp_cross_call(void (*fn)(const struct cpumask *, unsigned int))
{
- smp_cross_call = fn;
+ if (!smp_cross_call)
+ smp_cross_call = fn;
}
void arch_send_call_function_ipi_mask(const struct cpumask *mask)
diff --git a/arch/arm/mach-exynos/platsmp.c b/arch/arm/mach-exynos/platsmp.c
index c5c840e947b..5898f826b07 100644
--- a/arch/arm/mach-exynos/platsmp.c
+++ b/arch/arm/mach-exynos/platsmp.c
@@ -149,7 +149,7 @@ static int __cpuinit exynos_boot_secondary(unsigned int cpu, struct task_struct
__raw_writel(virt_to_phys(exynos4_secondary_startup),
cpu_boot_reg(phys_cpu));
- gic_raise_softirq(cpumask_of(cpu), 0);
+ arch_send_wakeup_ipi_mask(cpumask_of(cpu));
if (pen_release == -1)
break;
@@ -190,8 +190,6 @@ static void __init exynos_smp_init_cpus(void)
for (i = 0; i < ncores; i++)
set_cpu_possible(i, true);
-
- set_smp_cross_call(gic_raise_softirq);
}
static void __init exynos_smp_prepare_cpus(unsigned int max_cpus)
diff --git a/arch/arm/mach-highbank/platsmp.c b/arch/arm/mach-highbank/platsmp.c
index 4ecc864ac8b..e8d3c5f0171 100644
--- a/arch/arm/mach-highbank/platsmp.c
+++ b/arch/arm/mach-highbank/platsmp.c
@@ -33,7 +33,7 @@ static void __cpuinit highbank_secondary_init(unsigned int cpu)
static int __cpuinit highbank_boot_secondary(unsigned int cpu, struct task_struct *idle)
{
highbank_set_cpu_jump(cpu, secondary_startup);
- gic_raise_softirq(cpumask_of(cpu), 0);
+ arch_send_wakeup_ipi_mask(cpumask_of(cpu));
return 0;
}
@@ -56,8 +56,6 @@ static void __init highbank_smp_init_cpus(void)
for (i = 0; i < ncores; i++)
set_cpu_possible(i, true);
-
- set_smp_cross_call(gic_raise_softirq);
}
static void __init highbank_smp_prepare_cpus(unsigned int max_cpus)
diff --git a/arch/arm/mach-imx/platsmp.c b/arch/arm/mach-imx/platsmp.c
index 3777b805b76..8e720574fe9 100644
--- a/arch/arm/mach-imx/platsmp.c
+++ b/arch/arm/mach-imx/platsmp.c
@@ -71,8 +71,6 @@ static void __init imx_smp_init_cpus(void)
for (i = 0; i < ncores; i++)
set_cpu_possible(i, true);
-
- set_smp_cross_call(gic_raise_softirq);
}
void imx_smp_prepare(void)
diff --git a/arch/arm/mach-msm/platsmp.c b/arch/arm/mach-msm/platsmp.c
index 7ed69b69c87..e27e57b1227 100644
--- a/arch/arm/mach-msm/platsmp.c
+++ b/arch/arm/mach-msm/platsmp.c
@@ -115,7 +115,7 @@ static int __cpuinit msm_boot_secondary(unsigned int cpu, struct task_struct *id
* the boot monitor to read the system wide flags register,
* and branch to the address found there.
*/
- gic_raise_softirq(cpumask_of(cpu), 0);
+ arch_send_wakeup_ipi_mask(cpumask_of(cpu));
timeout = jiffies + (1 * HZ);
while (time_before(jiffies, timeout)) {
@@ -153,8 +153,6 @@ static void __init msm_smp_init_cpus(void)
for (i = 0; i < ncores; i++)
set_cpu_possible(i, true);
-
- set_smp_cross_call(gic_raise_softirq);
}
static void __init msm_smp_prepare_cpus(unsigned int max_cpus)
diff --git a/arch/arm/mach-omap2/omap-smp.c b/arch/arm/mach-omap2/omap-smp.c
index cd42d921940..668172a5f9e 100644
--- a/arch/arm/mach-omap2/omap-smp.c
+++ b/arch/arm/mach-omap2/omap-smp.c
@@ -157,7 +157,7 @@ static int __cpuinit omap4_boot_secondary(unsigned int cpu, struct task_struct *
booted = true;
}
- gic_raise_softirq(cpumask_of(cpu), 0);
+ arch_send_wakeup_ipi_mask(cpumask_of(cpu));
/*
* Now the secondary core is starting up let it run its
@@ -231,8 +231,6 @@ static void __init omap4_smp_init_cpus(void)
for (i = 0; i < ncores; i++)
set_cpu_possible(i, true);
-
- set_smp_cross_call(gic_raise_softirq);
}
static void __init omap4_smp_prepare_cpus(unsigned int max_cpus)
diff --git a/arch/arm/mach-realview/platsmp.c b/arch/arm/mach-realview/platsmp.c
index 300f7064465..98e3052b793 100644
--- a/arch/arm/mach-realview/platsmp.c
+++ b/arch/arm/mach-realview/platsmp.c
@@ -14,7 +14,6 @@
#include <linux/io.h>
#include <mach/hardware.h>
-#include <asm/hardware/gic.h>
#include <asm/mach-types.h>
#include <asm/smp_scu.h>
@@ -59,8 +58,6 @@ static void __init realview_smp_init_cpus(void)
for (i = 0; i < ncores; i++)
set_cpu_possible(i, true);
-
- set_smp_cross_call(gic_raise_softirq);
}
static void __init realview_smp_prepare_cpus(unsigned int max_cpus)
diff --git a/arch/arm/mach-shmobile/platsmp.c b/arch/arm/mach-shmobile/platsmp.c
index ed8d2351915..d393c527ae8 100644
--- a/arch/arm/mach-shmobile/platsmp.c
+++ b/arch/arm/mach-shmobile/platsmp.c
@@ -26,6 +26,4 @@ void __init shmobile_smp_init_cpus(unsigned int ncores)
for (i = 0; i < ncores; i++)
set_cpu_possible(i, true);
-
- set_smp_cross_call(gic_raise_softirq);
}
diff --git a/arch/arm/mach-shmobile/smp-emev2.c b/arch/arm/mach-shmobile/smp-emev2.c
index f6745628628..6262d6776f5 100644
--- a/arch/arm/mach-shmobile/smp-emev2.c
+++ b/arch/arm/mach-shmobile/smp-emev2.c
@@ -100,7 +100,7 @@ static int __cpuinit emev2_boot_secondary(unsigned int cpu, struct task_struct *
/* Tell ROM loader about our vector (in headsmp.S) */
emev2_set_boot_vector(__pa(shmobile_secondary_vector));
- gic_raise_softirq(cpumask_of(cpu), 0);
+ arch_send_wakeup_ipi_mask(cpumask_of(cpu));
return 0;
}
diff --git a/arch/arm/mach-socfpga/platsmp.c b/arch/arm/mach-socfpga/platsmp.c
index 68dd1b69512..98a22200104 100644
--- a/arch/arm/mach-socfpga/platsmp.c
+++ b/arch/arm/mach-socfpga/platsmp.c
@@ -83,8 +83,6 @@ static void __init socfpga_smp_init_cpus(void)
for (i = 0; i < ncores; i++)
set_cpu_possible(i, true);
-
- set_smp_cross_call(gic_raise_softirq);
}
static void __init socfpga_smp_prepare_cpus(unsigned int max_cpus)
diff --git a/arch/arm/mach-spear13xx/platsmp.c b/arch/arm/mach-spear13xx/platsmp.c
index 2eaa3fa7b43..27e3f69c627 100644
--- a/arch/arm/mach-spear13xx/platsmp.c
+++ b/arch/arm/mach-spear13xx/platsmp.c
@@ -104,8 +104,6 @@ static void __init spear13xx_smp_init_cpus(void)
for (i = 0; i < ncores; i++)
set_cpu_possible(i, true);
-
- set_smp_cross_call(gic_raise_softirq);
}
static void __init spear13xx_smp_prepare_cpus(unsigned int max_cpus)
diff --git a/arch/arm/mach-tegra/platsmp.c b/arch/arm/mach-tegra/platsmp.c
index 1b926df99c4..d8e6754e77a 100644
--- a/arch/arm/mach-tegra/platsmp.c
+++ b/arch/arm/mach-tegra/platsmp.c
@@ -159,8 +159,6 @@ static void __init tegra_smp_init_cpus(void)
for (i = 0; i < ncores; i++)
set_cpu_possible(i, true);
-
- set_smp_cross_call(gic_raise_softirq);
}
static void __init tegra_smp_prepare_cpus(unsigned int max_cpus)
diff --git a/arch/arm/mach-ux500/platsmp.c b/arch/arm/mach-ux500/platsmp.c
index 79531f1dffb..fa07d4de6d8 100644
--- a/arch/arm/mach-ux500/platsmp.c
+++ b/arch/arm/mach-ux500/platsmp.c
@@ -91,7 +91,7 @@ static int __cpuinit ux500_boot_secondary(unsigned int cpu, struct task_struct *
*/
write_pen_release(cpu_logical_map(cpu));
- gic_raise_softirq(cpumask_of(cpu), 0);
+ arch_send_wakeup_ipi_mask(cpumask_of(cpu));
timeout = jiffies + (1 * HZ);
while (time_before(jiffies, timeout)) {
@@ -155,8 +155,6 @@ static void __init ux500_smp_init_cpus(void)
for (i = 0; i < ncores; i++)
set_cpu_possible(i, true);
-
- set_smp_cross_call(gic_raise_softirq);
}
static void __init ux500_smp_prepare_cpus(unsigned int max_cpus)
diff --git a/arch/arm/mach-vexpress/ct-ca9x4.c b/arch/arm/mach-vexpress/ct-ca9x4.c
index 60838ddb856..0ad050f5c65 100644
--- a/arch/arm/mach-vexpress/ct-ca9x4.c
+++ b/arch/arm/mach-vexpress/ct-ca9x4.c
@@ -182,8 +182,6 @@ static void __init ct_ca9x4_init_cpu_map(void)
for (i = 0; i < ncores; ++i)
set_cpu_possible(i, true);
-
- set_smp_cross_call(gic_raise_softirq);
}
static void __init ct_ca9x4_smp_enable(unsigned int max_cpus)
diff --git a/arch/arm/mach-vexpress/platsmp.c b/arch/arm/mach-vexpress/platsmp.c
index c5d70de9bb4..3bc0e38d70f 100644
--- a/arch/arm/mach-vexpress/platsmp.c
+++ b/arch/arm/mach-vexpress/platsmp.c
@@ -128,8 +128,6 @@ static void __init vexpress_dt_smp_init_cpus(void)
for (i = 0; i < ncores; ++i)
set_cpu_possible(i, true);
-
- set_smp_cross_call(gic_raise_softirq);
}
static void __init vexpress_dt_smp_prepare_cpus(unsigned int max_cpus)
diff --git a/arch/arm/plat-versatile/platsmp.c b/arch/arm/plat-versatile/platsmp.c
index 04ca4937d8c..2336024d1b7 100644
--- a/arch/arm/plat-versatile/platsmp.c
+++ b/arch/arm/plat-versatile/platsmp.c
@@ -79,7 +79,7 @@ int __cpuinit versatile_boot_secondary(unsigned int cpu, struct task_struct *idl
* the boot monitor to read the system wide flags register,
* and branch to the address found there.
*/
- gic_raise_softirq(cpumask_of(cpu), 0);
+ arch_send_wakeup_ipi_mask(cpumask_of(cpu));
timeout = jiffies + (1 * HZ);
while (time_before(jiffies, timeout)) {
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-11-26 23:12:40 +0000