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-rw-r--r--arch/arm/common/gic.c3
-rw-r--r--arch/arm/common/locomo.c15
-rw-r--r--arch/arm/common/sa1111.c6
-rw-r--r--arch/arm/common/vic.c3
-rw-r--r--arch/arm/kernel/ecard.c3
-rw-r--r--arch/arm/kernel/irq.c1
-rw-r--r--arch/arm/mach-at91rm9200/gpio.c3
-rw-r--r--arch/arm/mach-at91rm9200/irq.c3
-rw-r--r--arch/arm/mach-imx/irq.c6
-rw-r--r--arch/arm/mach-integrator/integrator_ap.c3
-rw-r--r--arch/arm/mach-integrator/integrator_cp.c9
-rw-r--r--arch/arm/mach-iop3xx/iop321-irq.c3
-rw-r--r--arch/arm/mach-iop3xx/iop331-irq.c6
-rw-r--r--arch/arm/mach-lh7a40x/arch-kev7a400.c3
-rw-r--r--arch/arm/mach-lh7a40x/arch-lpd7a40x.c3
-rw-r--r--arch/arm/mach-lh7a40x/irq-kev7a400.c3
-rw-r--r--arch/arm/mach-lh7a40x/irq-lh7a400.c6
-rw-r--r--arch/arm/mach-lh7a40x/irq-lh7a404.c12
-rw-r--r--arch/arm/mach-lh7a40x/irq-lpd7a40x.c3
-rw-r--r--arch/arm/mach-omap1/fpga.c6
-rw-r--r--arch/arm/mach-omap1/irq.c3
-rw-r--r--arch/arm/mach-omap2/irq.c3
-rw-r--r--arch/arm/mach-pxa/irq.c12
-rw-r--r--arch/arm/mach-pxa/lpd270.c3
-rw-r--r--arch/arm/mach-pxa/lubbock.c3
-rw-r--r--arch/arm/mach-pxa/mainstone.c3
-rw-r--r--arch/arm/mach-sa1100/irq.c9
-rw-r--r--arch/arm/mach-shark/irq.c3
-rw-r--r--arch/arm/mach-versatile/core.c3
-rw-r--r--arch/arm/plat-omap/gpio.c8
-rw-r--r--arch/i386/kernel/cpu/cpufreq/Kconfig3
-rw-r--r--arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c3
-rw-r--r--arch/i386/kernel/cpu/cpufreq/longhaul.c221
-rw-r--r--arch/ia64/hp/sim/simscsi.c4
-rw-r--r--arch/ia64/kernel/efi.c6
-rw-r--r--arch/ia64/kernel/head.S2
-rw-r--r--arch/ia64/kernel/ia64_ksyms.c2
-rw-r--r--arch/ia64/kernel/pal.S18
-rw-r--r--arch/ia64/kernel/palinfo.c34
-rw-r--r--arch/ia64/kernel/uncached.c86
-rw-r--r--arch/ia64/lib/Makefile2
-rw-r--r--arch/ia64/mm/contig.c16
-rw-r--r--arch/ia64/mm/discontig.c68
-rw-r--r--arch/ia64/mm/init.c55
-rw-r--r--arch/ia64/mm/ioremap.c6
-rw-r--r--arch/ia64/sn/kernel/xpc_main.c2
-rw-r--r--arch/ia64/sn/pci/tioce_provider.c6
-rw-r--r--arch/powerpc/kernel/rtas.c21
-rw-r--r--arch/powerpc/platforms/pseries/setup.c2
-rw-r--r--arch/powerpc/platforms/pseries/xics.c6
-rw-r--r--arch/sh/kernel/cpu/sh4/sq.c10
-rw-r--r--arch/x86_64/kernel/entry.S18
-rw-r--r--arch/x86_64/kernel/pci-nommu.c2
-rw-r--r--arch/x86_64/kernel/smp.c2
54 files changed, 441 insertions, 304 deletions
diff --git a/arch/arm/common/gic.c b/arch/arm/common/gic.c
index f3c1ebfdd0aa..f3e020f2227f 100644
--- a/arch/arm/common/gic.c
+++ b/arch/arm/common/gic.c
@@ -95,7 +95,8 @@ static void gic_set_cpu(unsigned int irq, cpumask_t mask_val)
}
#endif
-static struct irqchip gic_chip = {
+static struct irq_chip gic_chip = {
+ .name = "GIC",
.ack = gic_ack_irq,
.mask = gic_mask_irq,
.unmask = gic_unmask_irq,
diff --git a/arch/arm/common/locomo.c b/arch/arm/common/locomo.c
index 04de83f4f008..4e0dcaef6eb2 100644
--- a/arch/arm/common/locomo.c
+++ b/arch/arm/common/locomo.c
@@ -204,7 +204,8 @@ static void locomo_unmask_irq(unsigned int irq)
locomo_writel(r, mapbase + LOCOMO_ICR);
}
-static struct irqchip locomo_chip = {
+static struct irq_chip locomo_chip = {
+ .name = "LOCOMO",
.ack = locomo_ack_irq,
.mask = locomo_mask_irq,
.unmask = locomo_unmask_irq,
@@ -249,7 +250,8 @@ static void locomo_key_unmask_irq(unsigned int irq)
locomo_writel(r, mapbase + LOCOMO_KEYBOARD + LOCOMO_KIC);
}
-static struct irqchip locomo_key_chip = {
+static struct irq_chip locomo_key_chip = {
+ .name = "LOCOMO-key",
.ack = locomo_key_ack_irq,
.mask = locomo_key_mask_irq,
.unmask = locomo_key_unmask_irq,
@@ -312,7 +314,8 @@ static void locomo_gpio_unmask_irq(unsigned int irq)
locomo_writel(r, mapbase + LOCOMO_GIE);
}
-static struct irqchip locomo_gpio_chip = {
+static struct irq_chip locomo_gpio_chip = {
+ .name = "LOCOMO-gpio",
.ack = locomo_gpio_ack_irq,
.mask = locomo_gpio_mask_irq,
.unmask = locomo_gpio_unmask_irq,
@@ -357,7 +360,8 @@ static void locomo_lt_unmask_irq(unsigned int irq)
locomo_writel(r, mapbase + LOCOMO_LTINT);
}
-static struct irqchip locomo_lt_chip = {
+static struct irq_chip locomo_lt_chip = {
+ .name = "LOCOMO-lt",
.ack = locomo_lt_ack_irq,
.mask = locomo_lt_mask_irq,
.unmask = locomo_lt_unmask_irq,
@@ -418,7 +422,8 @@ static void locomo_spi_unmask_irq(unsigned int irq)
locomo_writel(r, mapbase + LOCOMO_SPIIE);
}
-static struct irqchip locomo_spi_chip = {
+static struct irq_chip locomo_spi_chip = {
+ .name = "LOCOMO-spi",
.ack = locomo_spi_ack_irq,
.mask = locomo_spi_mask_irq,
.unmask = locomo_spi_unmask_irq,
diff --git a/arch/arm/common/sa1111.c b/arch/arm/common/sa1111.c
index 1cdb26a47e1f..a331c12cead9 100644
--- a/arch/arm/common/sa1111.c
+++ b/arch/arm/common/sa1111.c
@@ -272,7 +272,8 @@ static int sa1111_wake_lowirq(unsigned int irq, unsigned int on)
return 0;
}
-static struct irqchip sa1111_low_chip = {
+static struct irq_chip sa1111_low_chip = {
+ .name = "SA1111-l",
.ack = sa1111_ack_irq,
.mask = sa1111_mask_lowirq,
.unmask = sa1111_unmask_lowirq,
@@ -368,7 +369,8 @@ static int sa1111_wake_highirq(unsigned int irq, unsigned int on)
return 0;
}
-static struct irqchip sa1111_high_chip = {
+static struct irq_chip sa1111_high_chip = {
+ .name = "SA1111-h",
.ack = sa1111_ack_irq,
.mask = sa1111_mask_highirq,
.unmask = sa1111_unmask_highirq,
diff --git a/arch/arm/common/vic.c b/arch/arm/common/vic.c
index a19bc4a6196d..43d278134521 100644
--- a/arch/arm/common/vic.c
+++ b/arch/arm/common/vic.c
@@ -39,7 +39,8 @@ static void vic_unmask_irq(unsigned int irq)
writel(1 << irq, base + VIC_INT_ENABLE);
}
-static struct irqchip vic_chip = {
+static struct irq_chip vic_chip = {
+ .name = "VIC",
.ack = vic_mask_irq,
.mask = vic_mask_irq,
.unmask = vic_unmask_irq,
diff --git a/arch/arm/kernel/ecard.c b/arch/arm/kernel/ecard.c
index b9a74a741d00..eca248d9eba4 100644
--- a/arch/arm/kernel/ecard.c
+++ b/arch/arm/kernel/ecard.c
@@ -470,7 +470,8 @@ static void ecard_irq_mask(unsigned int irqnr)
}
}
-static struct irqchip ecard_chip = {
+static struct irq_chip ecard_chip = {
+ .name = "ECARD",
.ack = ecard_irq_mask,
.mask = ecard_irq_mask,
.unmask = ecard_irq_unmask,
diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c
index 626feeec0ade..2e1bf830fe11 100644
--- a/arch/arm/kernel/irq.c
+++ b/arch/arm/kernel/irq.c
@@ -77,6 +77,7 @@ int show_interrupts(struct seq_file *p, void *v)
seq_printf(p, "%3d: ", i);
for_each_present_cpu(cpu)
seq_printf(p, "%10u ", kstat_cpu(cpu).irqs[i]);
+ seq_printf(p, " %10s", irq_desc[i].chip->name ? : "-");
seq_printf(p, " %s", action->name);
for (action = action->next; action; action = action->next)
seq_printf(p, ", %s", action->name);
diff --git a/arch/arm/mach-at91rm9200/gpio.c b/arch/arm/mach-at91rm9200/gpio.c
index 5783c282ae7b..cec199fd6721 100644
--- a/arch/arm/mach-at91rm9200/gpio.c
+++ b/arch/arm/mach-at91rm9200/gpio.c
@@ -327,7 +327,8 @@ static int gpio_irq_type(unsigned pin, unsigned type)
return (type == IRQT_BOTHEDGE) ? 0 : -EINVAL;
}
-static struct irqchip gpio_irqchip = {
+static struct irq_chip gpio_irqchip = {
+ .name = "GPIO",
.mask = gpio_irq_mask,
.unmask = gpio_irq_unmask,
.set_type = gpio_irq_type,
diff --git a/arch/arm/mach-at91rm9200/irq.c b/arch/arm/mach-at91rm9200/irq.c
index 9b0911320417..c3a5e777f9f8 100644
--- a/arch/arm/mach-at91rm9200/irq.c
+++ b/arch/arm/mach-at91rm9200/irq.c
@@ -114,7 +114,8 @@ void at91_irq_resume(void)
#define at91_aic_set_wake NULL
#endif
-static struct irqchip at91_aic_chip = {
+static struct irq_chip at91_aic_chip = {
+ .name = "AIC",
.ack = at91_aic_mask_irq,
.mask = at91_aic_mask_irq,
.unmask = at91_aic_unmask_irq,
diff --git a/arch/arm/mach-imx/irq.c b/arch/arm/mach-imx/irq.c
index a5de5f1da9f2..2688bd82c2a2 100644
--- a/arch/arm/mach-imx/irq.c
+++ b/arch/arm/mach-imx/irq.c
@@ -204,13 +204,15 @@ imx_gpiod_demux_handler(unsigned int irq_unused, struct irqdesc *desc,
imx_gpio_handler(mask, irq, desc, regs);
}
-static struct irqchip imx_internal_chip = {
+static struct irq_chip imx_internal_chip = {
+ .name = "MPU",
.ack = imx_mask_irq,
.mask = imx_mask_irq,
.unmask = imx_unmask_irq,
};
-static struct irqchip imx_gpio_chip = {
+static struct irq_chip imx_gpio_chip = {
+ .name = "GPIO",
.ack = imx_gpio_ack_irq,
.mask = imx_gpio_mask_irq,
.unmask = imx_gpio_unmask_irq,
diff --git a/arch/arm/mach-integrator/integrator_ap.c b/arch/arm/mach-integrator/integrator_ap.c
index 6d65c96ebfd2..191c57a3b997 100644
--- a/arch/arm/mach-integrator/integrator_ap.c
+++ b/arch/arm/mach-integrator/integrator_ap.c
@@ -161,7 +161,8 @@ static void sc_unmask_irq(unsigned int irq)
writel(1 << irq, VA_IC_BASE + IRQ_ENABLE_SET);
}
-static struct irqchip sc_chip = {
+static struct irq_chip sc_chip = {
+ .name = "SC",
.ack = sc_mask_irq,
.mask = sc_mask_irq,
.unmask = sc_unmask_irq,
diff --git a/arch/arm/mach-integrator/integrator_cp.c b/arch/arm/mach-integrator/integrator_cp.c
index 9f55f5ae1044..678b6ba2b463 100644
--- a/arch/arm/mach-integrator/integrator_cp.c
+++ b/arch/arm/mach-integrator/integrator_cp.c
@@ -156,7 +156,8 @@ static void cic_unmask_irq(unsigned int irq)
cic_writel(1 << irq, INTCP_VA_CIC_BASE + IRQ_ENABLE_SET);
}
-static struct irqchip cic_chip = {
+static struct irq_chip cic_chip = {
+ .name = "CIC",
.ack = cic_mask_irq,
.mask = cic_mask_irq,
.unmask = cic_unmask_irq,
@@ -174,7 +175,8 @@ static void pic_unmask_irq(unsigned int irq)
pic_writel(1 << irq, INTCP_VA_PIC_BASE + IRQ_ENABLE_SET);
}
-static struct irqchip pic_chip = {
+static struct irq_chip pic_chip = {
+ .name = "PIC",
.ack = pic_mask_irq,
.mask = pic_mask_irq,
.unmask = pic_unmask_irq,
@@ -192,7 +194,8 @@ static void sic_unmask_irq(unsigned int irq)
sic_writel(1 << irq, INTCP_VA_SIC_BASE + IRQ_ENABLE_SET);
}
-static struct irqchip sic_chip = {
+static struct irq_chip sic_chip = {
+ .name = "SIC",
.ack = sic_mask_irq,
.mask = sic_mask_irq,
.unmask = sic_unmask_irq,
diff --git a/arch/arm/mach-iop3xx/iop321-irq.c b/arch/arm/mach-iop3xx/iop321-irq.c
index d42aae6aef03..88ac333472c8 100644
--- a/arch/arm/mach-iop3xx/iop321-irq.c
+++ b/arch/arm/mach-iop3xx/iop321-irq.c
@@ -52,7 +52,8 @@ iop321_irq_unmask (unsigned int irq)
intctl_write(iop321_mask);
}
-struct irqchip ext_chip = {
+struct irq_chip ext_chip = {
+ .name = "IOP",
.ack = iop321_irq_mask,
.mask = iop321_irq_mask,
.unmask = iop321_irq_unmask,
diff --git a/arch/arm/mach-iop3xx/iop331-irq.c b/arch/arm/mach-iop3xx/iop331-irq.c
index f4d4321737a4..cab11722ced2 100644
--- a/arch/arm/mach-iop3xx/iop331-irq.c
+++ b/arch/arm/mach-iop3xx/iop331-irq.c
@@ -77,13 +77,15 @@ iop331_irq_unmask2(unsigned int irq)
intctl_write1(iop331_mask1);
}
-struct irqchip iop331_irqchip1 = {
+struct irq_chip iop331_irqchip1 = {
+ .name = "IOP-1",
.ack = iop331_irq_mask1,
.mask = iop331_irq_mask1,
.unmask = iop331_irq_unmask1,
};
-struct irqchip iop331_irqchip2 = {
+struct irq_chip iop331_irqchip2 = {
+ .name = "IOP-2",
.ack = iop331_irq_mask2,
.mask = iop331_irq_mask2,
.unmask = iop331_irq_unmask2,
diff --git a/arch/arm/mach-lh7a40x/arch-kev7a400.c b/arch/arm/mach-lh7a40x/arch-kev7a400.c
index 2cccc27c62e4..4f2ab48800a5 100644
--- a/arch/arm/mach-lh7a40x/arch-kev7a400.c
+++ b/arch/arm/mach-lh7a40x/arch-kev7a400.c
@@ -63,7 +63,8 @@ static void kev7a400_unmask_cpld_irq (u32 irq)
CPLD_WR_PB_INT_MASK = CPLD_IRQ_mask;
}
-static struct irqchip kev7a400_cpld_chip = {
+static struct irq_chip kev7a400_cpld_chip = {
+ .name = "CPLD",
.ack = kev7a400_ack_cpld_irq,
.mask = kev7a400_mask_cpld_irq,
.unmask = kev7a400_unmask_cpld_irq,
diff --git a/arch/arm/mach-lh7a40x/arch-lpd7a40x.c b/arch/arm/mach-lh7a40x/arch-lpd7a40x.c
index 35c3606a2079..a6910114b24c 100644
--- a/arch/arm/mach-lh7a40x/arch-lpd7a40x.c
+++ b/arch/arm/mach-lh7a40x/arch-lpd7a40x.c
@@ -200,7 +200,8 @@ static void lh7a40x_unmask_cpld_irq (u32 irq)
}
}
-static struct irqchip lpd7a40x_cpld_chip = {
+static struct irq_chip lpd7a40x_cpld_chip = {
+ .name = "CPLD",
.ack = lh7a40x_ack_cpld_irq,
.mask = lh7a40x_mask_cpld_irq,
.unmask = lh7a40x_unmask_cpld_irq,
diff --git a/arch/arm/mach-lh7a40x/irq-kev7a400.c b/arch/arm/mach-lh7a40x/irq-kev7a400.c
index 8535764d89ca..f9b3fe9174a5 100644
--- a/arch/arm/mach-lh7a40x/irq-kev7a400.c
+++ b/arch/arm/mach-lh7a40x/irq-kev7a400.c
@@ -43,7 +43,8 @@ lh7a400_unmask_cpld_irq (u32 irq)
}
static struct
-irqchip lh7a400_cpld_chip = {
+irq_chip lh7a400_cpld_chip = {
+ .name = "CPLD",
.ack = lh7a400_ack_cpld_irq,
.mask = lh7a400_mask_cpld_irq,
.unmask = lh7a400_unmask_cpld_irq,
diff --git a/arch/arm/mach-lh7a40x/irq-lh7a400.c b/arch/arm/mach-lh7a40x/irq-lh7a400.c
index f9fdefef6d6f..091b2dc58d25 100644
--- a/arch/arm/mach-lh7a40x/irq-lh7a400.c
+++ b/arch/arm/mach-lh7a40x/irq-lh7a400.c
@@ -38,13 +38,15 @@ static void lh7a400_ack_gpio_irq (u32 irq)
INTC_INTENC = (1 << irq);
}
-static struct irqchip lh7a400_internal_chip = {
+static struct irq_chip lh7a400_internal_chip = {
+ .name = "MPU",
.ack = lh7a400_mask_irq, /* Level triggering -> mask is ack */
.mask = lh7a400_mask_irq,
.unmask = lh7a400_unmask_irq,
};
-static struct irqchip lh7a400_gpio_chip = {
+static struct irq_chip lh7a400_gpio_chip = {
+ .name = "GPIO",
.ack = lh7a400_ack_gpio_irq,
.mask = lh7a400_mask_irq,
.unmask = lh7a400_unmask_irq,
diff --git a/arch/arm/mach-lh7a40x/irq-lh7a404.c b/arch/arm/mach-lh7a40x/irq-lh7a404.c
index 2685a81454d2..7059b983724f 100644
--- a/arch/arm/mach-lh7a40x/irq-lh7a404.c
+++ b/arch/arm/mach-lh7a40x/irq-lh7a404.c
@@ -76,25 +76,29 @@ static void lh7a404_vic2_ack_gpio_irq (u32 irq)
VIC2_INTENCLR = (1 << irq);
}
-static struct irqchip lh7a404_vic1_chip = {
+static struct irq_chip lh7a404_vic1_chip = {
+ .name = "VIC1",
.ack = lh7a404_vic1_mask_irq, /* Because level-triggered */
.mask = lh7a404_vic1_mask_irq,
.unmask = lh7a404_vic1_unmask_irq,
};
-static struct irqchip lh7a404_vic2_chip = {
+static struct irq_chip lh7a404_vic2_chip = {
+ .name = "VIC2",
.ack = lh7a404_vic2_mask_irq, /* Because level-triggered */
.mask = lh7a404_vic2_mask_irq,
.unmask = lh7a404_vic2_unmask_irq,
};
-static struct irqchip lh7a404_gpio_vic1_chip = {
+static struct irq_chip lh7a404_gpio_vic1_chip = {
+ .name = "GPIO-VIC1",
.ack = lh7a404_vic1_ack_gpio_irq,
.mask = lh7a404_vic1_mask_irq,
.unmask = lh7a404_vic1_unmask_irq,
};
-static struct irqchip lh7a404_gpio_vic2_chip = {
+static struct irq_chip lh7a404_gpio_vic2_chip = {
+ .name = "GPIO-VIC2",
.ack = lh7a404_vic2_ack_gpio_irq,
.mask = lh7a404_vic2_mask_irq,
.unmask = lh7a404_vic2_unmask_irq,
diff --git a/arch/arm/mach-lh7a40x/irq-lpd7a40x.c b/arch/arm/mach-lh7a40x/irq-lpd7a40x.c
index dcb4e17b9419..d6055dde6468 100644
--- a/arch/arm/mach-lh7a40x/irq-lpd7a40x.c
+++ b/arch/arm/mach-lh7a40x/irq-lpd7a40x.c
@@ -50,7 +50,8 @@ static void lh7a40x_unmask_cpld_irq (u32 irq)
}
}
-static struct irqchip lh7a40x_cpld_chip = {
+static struct irq_chip lh7a40x_cpld_chip = {
+ .name = "CPLD",
.ack = lh7a40x_ack_cpld_irq,
.mask = lh7a40x_mask_cpld_irq,
.unmask = lh7a40x_unmask_cpld_irq,
diff --git a/arch/arm/mach-omap1/fpga.c b/arch/arm/mach-omap1/fpga.c
index 34eb79ee6e61..efe9bfc6e55f 100644
--- a/arch/arm/mach-omap1/fpga.c
+++ b/arch/arm/mach-omap1/fpga.c
@@ -106,14 +106,16 @@ void innovator_fpga_IRQ_demux(unsigned int irq, struct irqdesc *desc,
}
}
-static struct irqchip omap_fpga_irq_ack = {
+static struct irq_chip omap_fpga_irq_ack = {
+ .name = "FPGA-ack",
.ack = fpga_mask_ack_irq,
.mask = fpga_mask_irq,
.unmask = fpga_unmask_irq,
};
-static struct irqchip omap_fpga_irq = {
+static struct irq_chip omap_fpga_irq = {
+ .name = "FPGA",
.ack = fpga_ack_irq,
.mask = fpga_mask_irq,
.unmask = fpga_unmask_irq,
diff --git a/arch/arm/mach-omap1/irq.c b/arch/arm/mach-omap1/irq.c
index 9e039845b50e..3ea140bb9eba 100644
--- a/arch/arm/mach-omap1/irq.c
+++ b/arch/arm/mach-omap1/irq.c
@@ -168,7 +168,8 @@ static struct omap_irq_bank omap1610_irq_banks[] = {
};
#endif
-static struct irqchip omap_irq_chip = {
+static struct irq_chip omap_irq_chip = {
+ .name = "MPU",
.ack = omap_mask_ack_irq,
.mask = omap_mask_irq,
.unmask = omap_unmask_irq,
diff --git a/arch/arm/mach-omap2/irq.c b/arch/arm/mach-omap2/irq.c
index 3eed6a737bf8..dfc3b35cc1ff 100644
--- a/arch/arm/mach-omap2/irq.c
+++ b/arch/arm/mach-omap2/irq.c
@@ -94,7 +94,8 @@ static void omap_mask_ack_irq(unsigned int irq)
omap_ack_irq(irq);
}
-static struct irqchip omap_irq_chip = {
+static struct irq_chip omap_irq_chip = {
+ .name = "INTC",
.ack = omap_mask_ack_irq,
.mask = omap_mask_irq,
.unmask = omap_unmask_irq,
diff --git a/arch/arm/mach-pxa/irq.c b/arch/arm/mach-pxa/irq.c
index d9635ff4b10c..12141e2a50cc 100644
--- a/arch/arm/mach-pxa/irq.c
+++ b/arch/arm/mach-pxa/irq.c
@@ -39,7 +39,8 @@ static void pxa_unmask_low_irq(unsigned int irq)
ICMR |= (1 << (irq + PXA_IRQ_SKIP));
}
-static struct irqchip pxa_internal_chip_low = {
+static struct irq_chip pxa_internal_chip_low = {
+ .name = "SC",
.ack = pxa_mask_low_irq,
.mask = pxa_mask_low_irq,
.unmask = pxa_unmask_low_irq,
@@ -61,7 +62,8 @@ static void pxa_unmask_high_irq(unsigned int irq)
ICMR2 |= (1 << (irq - 32 + PXA_IRQ_SKIP));
}
-static struct irqchip pxa_internal_chip_high = {
+static struct irq_chip pxa_internal_chip_high = {
+ .name = "SC-hi",
.ack = pxa_mask_high_irq,
.mask = pxa_mask_high_irq,
.unmask = pxa_unmask_high_irq,
@@ -129,7 +131,8 @@ static void pxa_ack_low_gpio(unsigned int irq)
GEDR0 = (1 << (irq - IRQ_GPIO0));
}
-static struct irqchip pxa_low_gpio_chip = {
+static struct irq_chip pxa_low_gpio_chip = {
+ .name = "GPIO-l",
.ack = pxa_ack_low_gpio,
.mask = pxa_mask_low_irq,
.unmask = pxa_unmask_low_irq,
@@ -237,7 +240,8 @@ static void pxa_unmask_muxed_gpio(unsigned int irq)
GFER(gpio) = GPIO_IRQ_falling_edge[idx] & GPIO_IRQ_mask[idx];
}
-static struct irqchip pxa_muxed_gpio_chip = {
+static struct irq_chip pxa_muxed_gpio_chip = {
+ .name = "GPIO",
.ack = pxa_ack_muxed_gpio,
.mask = pxa_mask_muxed_gpio,
.unmask = pxa_unmask_muxed_gpio,
diff --git a/arch/arm/mach-pxa/lpd270.c b/arch/arm/mach-pxa/lpd270.c
index 1a5f5c21481e..12479ae26db2 100644
--- a/arch/arm/mach-pxa/lpd270.c
+++ b/arch/arm/mach-pxa/lpd270.c
@@ -68,7 +68,8 @@ static void lpd270_unmask_irq(unsigned int irq)
__raw_writew(lpd270_irq_enabled, LPD270_INT_MASK);
}
-static struct irqchip lpd270_irq_chip = {
+static struct irq_chip lpd270_irq_chip = {
+ .name = "CPLD",
.ack = lpd270_mask_irq,
.mask = lpd270_mask_irq,
.unmask = lpd270_unmask_irq,
diff --git a/arch/arm/mach-pxa/lubbock.c b/arch/arm/mach-pxa/lubbock.c
index 6a9a669d60de..83ff5cee64d9 100644
--- a/arch/arm/mach-pxa/lubbock.c
+++ b/arch/arm/mach-pxa/lubbock.c
@@ -78,7 +78,8 @@ static void lubbock_unmask_irq(unsigned int irq)
LUB_IRQ_MASK_EN = (lubbock_irq_enabled |= (1 << lubbock_irq));
}
-static struct irqchip lubbock_irq_chip = {
+static struct irq_chip lubbock_irq_chip = {
+ .name = "FPGA",
.ack = lubbock_mask_irq,
.mask = lubbock_mask_irq,
.unmask = lubbock_unmask_irq,
diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c
index 21ddf3de2f6e..a7e9b96f258a 100644
--- a/arch/arm/mach-pxa/mainstone.c
+++ b/arch/arm/mach-pxa/mainstone.c
@@ -64,7 +64,8 @@ static void mainstone_unmask_irq(unsigned int irq)
MST_INTMSKENA = (mainstone_irq_enabled |= (1 << mainstone_irq));
}
-static struct irqchip mainstone_irq_chip = {
+static struct irq_chip mainstone_irq_chip = {
+ .name = "FPGA",
.ack = mainstone_mask_irq,
.mask = mainstone_mask_irq,
.unmask = mainstone_unmask_irq,
diff --git a/arch/arm/mach-sa1100/irq.c b/arch/arm/mach-sa1100/irq.c
index 2891b8ca86dd..b55b90a2e8fe 100644
--- a/arch/arm/mach-sa1100/irq.c
+++ b/arch/arm/mach-sa1100/irq.c
@@ -95,7 +95,8 @@ static int sa1100_low_gpio_wake(unsigned int irq, unsigned int on)
return 0;
}
-static struct irqchip sa1100_low_gpio_chip = {
+static struct irq_chip sa1100_low_gpio_chip = {
+ .name = "GPIO-l",
.ack = sa1100_low_gpio_ack,
.mask = sa1100_low_gpio_mask,
.unmask = sa1100_low_gpio_unmask,
@@ -178,7 +179,8 @@ static int sa1100_high_gpio_wake(unsigned int irq, unsigned int on)
return 0;
}
-static struct irqchip sa1100_high_gpio_chip = {
+static struct irq_chip sa1100_high_gpio_chip = {
+ .name = "GPIO-h",
.ack = sa1100_high_gpio_ack,
.mask = sa1100_high_gpio_mask,
.unmask = sa1100_high_gpio_unmask,
@@ -215,7 +217,8 @@ static int sa1100_set_wake(unsigned int irq, unsigned int on)
return -EINVAL;
}
-static struct irqchip sa1100_normal_chip = {
+static struct irq_chip sa1100_normal_chip = {
+ .name = "SC",
.ack = sa1100_mask_irq,
.mask = sa1100_mask_irq,
.unmask = sa1100_unmask_irq,
diff --git a/arch/arm/mach-shark/irq.c b/arch/arm/mach-shark/irq.c
index 6cb67bd3dfd3..b227052296cf 100644
--- a/arch/arm/mach-shark/irq.c
+++ b/arch/arm/mach-shark/irq.c
@@ -69,7 +69,8 @@ static irqreturn_t bogus_int(int irq, void *dev_id, struct pt_regs *regs)
static struct irqaction cascade;
-static struct irqchip fb_chip = {
+static struct irq_chip fb_chip = {
+ .name = "XT-PIC",
.ack = shark_ack_8259A_irq,
.mask = shark_disable_8259A_irq,
.unmask = shark_enable_8259A_irq,
diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c
index 864377176015..c4e3f8c68479 100644
--- a/arch/arm/mach-versatile/core.c
+++ b/arch/arm/mach-versatile/core.c
@@ -69,7 +69,8 @@ static void sic_unmask_irq(unsigned int irq)
writel(1 << irq, VA_SIC_BASE + SIC_IRQ_ENABLE_SET);
}
-static struct irqchip sic_chip = {
+static struct irq_chip sic_chip = {
+ .name = "SIC",
.ack = sic_mask_irq,
.mask = sic_mask_irq,
.unmask = sic_unmask_irq,
diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index fec7970e564d..cd7f973fb286 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -944,7 +944,8 @@ static void mpuio_unmask_irq(unsigned int irq)
_set_gpio_irqenable(bank, gpio, 1);
}
-static struct irqchip gpio_irq_chip = {
+static struct irq_chip gpio_irq_chip = {
+ .name = "GPIO",
.ack = gpio_ack_irq,
.mask = gpio_mask_irq,
.unmask = gpio_unmask_irq,
@@ -952,10 +953,11 @@ static struct irqchip gpio_irq_chip = {
.set_wake = gpio_wake_enable,
};
-static struct irqchip mpuio_irq_chip = {
+static struct irq_chip mpuio_irq_chip = {
+ .name = "MPUIO",
.ack = mpuio_ack_irq,
.mask = mpuio_mask_irq,
- .unmask = mpuio_unmask_irq
+ .unmask = mpuio_unmask_irq
};
static int initialized;
diff --git a/arch/i386/kernel/cpu/cpufreq/Kconfig b/arch/i386/kernel/cpu/cpufreq/Kconfig
index e44a4c6a4fe5..ccc1edff5c97 100644
--- a/arch/i386/kernel/cpu/cpufreq/Kconfig
+++ b/arch/i386/kernel/cpu/cpufreq/Kconfig
@@ -96,6 +96,7 @@ config X86_POWERNOW_K8_ACPI
config X86_GX_SUSPMOD
tristate "Cyrix MediaGX/NatSemi Geode Suspend Modulation"
+ depends on PCI
help
This add the CPUFreq driver for NatSemi Geode processors which
support suspend modulation.
@@ -202,7 +203,7 @@ config X86_LONGRUN
config X86_LONGHAUL
tristate "VIA Cyrix III Longhaul"
select CPU_FREQ_TABLE
- depends on BROKEN
+ depends on ACPI_PROCESSOR
help
This adds the CPUFreq driver for VIA Samuel/CyrixIII,
VIA Cyrix Samuel/C3, VIA Cyrix Ezra and VIA Cyrix Ezra-T
diff --git a/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c
index 567b39bea07e..efb41e81351c 100644
--- a/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c
+++ b/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.c
@@ -384,8 +384,7 @@ static int acpi_cpufreq_early_init_acpi(void)
}
/* Do initialization in ACPI core */
- acpi_processor_preregister_performance(acpi_perf_data);
- return 0;
+ return acpi_processor_preregister_performance(acpi_perf_data);
}
static int
diff --git a/arch/i386/kernel/cpu/cpufreq/longhaul.c b/arch/i386/kernel/cpu/cpufreq/longhaul.c
index 146f607e9c44..4f2c3aeef724 100644
--- a/arch/i386/kernel/cpu/cpufreq/longhaul.c
+++ b/arch/i386/kernel/cpu/cpufreq/longhaul.c
@@ -29,11 +29,13 @@
#include <linux/cpufreq.h>
#include <linux/slab.h>
#include <linux/string.h>
-#include <linux/pci.h>
#include <asm/msr.h>
#include <asm/timex.h>
#include <asm/io.h>
+#include <asm/acpi.h>
+#include <linux/acpi.h>
+#include <acpi/processor.h>
#include "longhaul.h"
@@ -56,6 +58,8 @@ static int minvid, maxvid;
static unsigned int minmult, maxmult;
static int can_scale_voltage;
static int vrmrev;
+static struct acpi_processor *pr = NULL;
+static struct acpi_processor_cx *cx = NULL;
/* Module parameters */
static int dont_scale_voltage;
@@ -118,84 +122,65 @@ static int longhaul_get_cpu_mult(void)
return eblcr_table[invalue];
}
+/* For processor with BCR2 MSR */
-static void do_powersaver(union msr_longhaul *longhaul,
- unsigned int clock_ratio_index)
+static void do_longhaul1(int cx_address, unsigned int clock_ratio_index)
{
- struct pci_dev *dev;
- unsigned long flags;
- unsigned int tmp_mask;
- int version;
- int i;
- u16 pci_cmd;
- u16 cmd_state[64];
+ union msr_bcr2 bcr2;
+ u32 t;
- switch (cpu_model) {
- case CPU_EZRA_T:
- version = 3;
- break;
- case CPU_NEHEMIAH:
- version = 0xf;
- break;
- default:
- return;
- }
+ rdmsrl(MSR_VIA_BCR2, bcr2.val);
+ /* Enable software clock multiplier */
+ bcr2.bits.ESOFTBF = 1;
+ bcr2.bits.CLOCKMUL = clock_ratio_index;
- rdmsrl(MSR_VIA_LONGHAUL, longhaul->val);
- longhaul->bits.SoftBusRatio = clock_ratio_index & 0xf;
- longhaul->bits.SoftBusRatio4 = (clock_ratio_index & 0x10) >> 4;
- longhaul->bits.EnableSoftBusRatio = 1;
- longhaul->bits.RevisionKey = 0;
+ /* Sync to timer tick */
+ safe_halt();
+ ACPI_FLUSH_CPU_CACHE();
+ /* Change frequency on next halt or sleep */
+ wrmsrl(MSR_VIA_BCR2, bcr2.val);
+ /* Invoke C3 */
+ inb(cx_address);
+ /* Dummy op - must do something useless after P_LVL3 read */
+ t = inl(acpi_fadt.xpm_tmr_blk.address);
+
+ /* Disable software clock multiplier */
+ local_irq_disable();
+ rdmsrl(MSR_VIA_BCR2, bcr2.val);
+ bcr2.bits.ESOFTBF = 0;
+ wrmsrl(MSR_VIA_BCR2, bcr2.val);
+}
- preempt_disable();
- local_irq_save(flags);
+/* For processor with Longhaul MSR */
- /*
- * get current pci bus master state for all devices
- * and clear bus master bit
- */
- dev = NULL;
- i = 0;
- do {
- dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev);
- if (dev != NULL) {
- pci_read_config_word(dev, PCI_COMMAND, &pci_cmd);
- cmd_state[i++] = pci_cmd;
- pci_cmd &= ~PCI_COMMAND_MASTER;
- pci_write_config_word(dev, PCI_COMMAND, pci_cmd);
- }
- } while (dev != NULL);
+static void do_powersaver(int cx_address, unsigned int clock_ratio_index)
+{
+ union msr_longhaul longhaul;
+ u32 t;
- tmp_mask=inb(0x21); /* works on C3. save mask. */
- outb(0xFE,0x21); /* TMR0 only */
- outb(0xFF,0x80); /* delay */
+ rdmsrl(MSR_VIA_LONGHAUL, longhaul.val);
+ longhaul.bits.RevisionKey = longhaul.bits.RevisionID;
+ longhaul.bits.SoftBusRatio = clock_ratio_index & 0xf;
+ longhaul.bits.SoftBusRatio4 = (clock_ratio_index & 0x10) >> 4;
+ longhaul.bits.EnableSoftBusRatio = 1;
+ /* Sync to timer tick */
safe_halt();
- wrmsrl(MSR_VIA_LONGHAUL, longhaul->val);
- halt();
-
+ ACPI_FLUSH_CPU_CACHE();
+ /* Change frequency on next halt or sleep */
+ wrmsrl(MSR_VIA_LONGHAUL, longhaul.val);
+ /* Invoke C3 */
+ inb(cx_address);
+ /* Dummy op - must do something useless after P_LVL3 read */
+ t = inl(acpi_fadt.xpm_tmr_blk.address);
+
+ /* Disable bus ratio bit */
local_irq_disable();
-
- outb(tmp_mask,0x21); /* restore mask */
-
- /* restore pci bus master state for all devices */
- dev = NULL;
- i = 0;
- do {
- dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev);
- if (dev != NULL) {
- pci_cmd = cmd_state[i++];
- pci_write_config_byte(dev, PCI_COMMAND, pci_cmd);
- }
- } while (dev != NULL);
- local_irq_restore(flags);
- preempt_enable();
-
- /* disable bus ratio bit */
- rdmsrl(MSR_VIA_LONGHAUL, longhaul->val);
- longhaul->bits.EnableSoftBusRatio = 0;
- longhaul->bits.RevisionKey = version;
- wrmsrl(MSR_VIA_LONGHAUL, longhaul->val);
+ longhaul.bits.RevisionKey = longhaul.bits.RevisionID;
+ longhaul.bits.EnableSoftBusRatio = 0;
+ longhaul.bits.EnableSoftBSEL = 0;
+ longhaul.bits.EnableSoftVID = 0;
+ wrmsrl(MSR_VIA_LONGHAUL, longhaul.val);
}
/**
@@ -209,9 +194,9 @@ static void longhaul_setstate(unsigned int clock_ratio_index)
{
int speed, mult;
struct cpufreq_freqs freqs;
- union msr_longhaul longhaul;
- union msr_bcr2 bcr2;
static unsigned int old_ratio=-1;
+ unsigned long flags;
+ unsigned int pic1_mask, pic2_mask;
if (old_ratio == clock_ratio_index)
return;
@@ -234,6 +219,20 @@ static void longhaul_setstate(unsigned int clock_ratio_index)
dprintk ("Setting to FSB:%dMHz Mult:%d.%dx (%s)\n",
fsb, mult/10, mult%10, print_speed(speed/1000));
+ preempt_disable();
+ local_irq_save(flags);
+
+ pic2_mask = inb(0xA1);
+ pic1_mask = inb(0x21); /* works on C3. save mask. */
+ outb(0xFF,0xA1); /* Overkill */
+ outb(0xFE,0x21); /* TMR0 only */
+
+ /* Disable bus master arbitration */
+ if (pr->flags.bm_check) {
+ acpi_set_register(ACPI_BITREG_ARB_DISABLE, 1,
+ ACPI_MTX_DO_NOT_LOCK);
+ }
+
switch (longhaul_version) {
/*
@@ -245,20 +244,7 @@ static void longhaul_setstate(unsigned int clock_ratio_index)
*/
case TYPE_LONGHAUL_V1:
case TYPE_LONGHAUL_V2:
- rdmsrl (MSR_VIA_BCR2, bcr2.val);
- /* Enable software clock multiplier */
- bcr2.bits.ESOFTBF = 1;
- bcr2.bits.CLOCKMUL = clock_ratio_index;
- local_irq_disable();
- wrmsrl (MSR_VIA_BCR2, bcr2.val);
- safe_halt();
-
- /* Disable software clock multiplier */
- rdmsrl (MSR_VIA_BCR2, bcr2.val);
- bcr2.bits.ESOFTBF = 0;
- local_irq_disable();
- wrmsrl (MSR_VIA_BCR2, bcr2.val);
- local_irq_enable();
+ do_longhaul1(cx->address, clock_ratio_index);
break;
/*
@@ -273,10 +259,22 @@ static void longhaul_setstate(unsigned int clock_ratio_index)
* to work in practice.
*/
case TYPE_POWERSAVER:
- do_powersaver(&longhaul, clock_ratio_index);
+ do_powersaver(cx->address, clock_ratio_index);
break;
}
+ /* Enable bus master arbitration */
+ if (pr->flags.bm_check) {
+ acpi_set_register(ACPI_BITREG_ARB_DISABLE, 0,
+ ACPI_MTX_DO_NOT_LOCK);
+ }
+
+ outb(pic2_mask,0xA1); /* restore mask */
+ outb(pic1_mask,0x21);
+
+ local_irq_restore(flags);
+ preempt_enable();
+
cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
}
@@ -324,9 +322,11 @@ static int guess_fsb(void)
static int __init longhaul_get_ranges(void)
{
unsigned long invalue;
- unsigned int multipliers[32]= {
- 50,30,40,100,55,35,45,95,90,70,80,60,120,75,85,65,
- -1,110,120,-1,135,115,125,105,130,150,160,140,-1,155,-1,145 };
+ unsigned int ezra_t_multipliers[32]= {
+ 90, 30, 40, 100, 55, 35, 45, 95,
+ 50, 70, 80, 60, 120, 75, 85, 65,
+ -1, 110, 120, -1, 135, 115, 125, 105,
+ 130, 150, 160, 140, -1, 155, -1, 145 };
unsigned int j, k = 0;
union msr_longhaul longhaul;
unsigned long lo, hi;
@@ -355,13 +355,13 @@ static int __init longhaul_get_ranges(void)
invalue = longhaul.bits.MaxMHzBR;
if (longhaul.bits.MaxMHzBR4)
invalue += 16;
- maxmult=multipliers[invalue];
+ maxmult=ezra_t_multipliers[invalue];
invalue = longhaul.bits.MinMHzBR;
if (longhaul.bits.MinMHzBR4 == 1)
minmult = 30;
else
- minmult = multipliers[invalue];
+ minmult = ezra_t_multipliers[invalue];
fsb = eblcr_fsb_table_v2[longhaul.bits.MaxMHzFSB];
break;
}
@@ -527,6 +527,18 @@ static unsigned int longhaul_get(unsigned int cpu)
return calc_speed(longhaul_get_cpu_mult());
}
+static acpi_status longhaul_walk_callback(acpi_handle obj_handle,
+ u32 nesting_level,
+ void *context, void **return_value)
+{
+ struct acpi_device *d;
+
+ if ( acpi_bus_get_device(obj_handle, &d) ) {
+ return 0;
+ }
+ *return_value = (void *)acpi_driver_data(d);
+ return 1;
+}
static int __init longhaul_cpu_init(struct cpufreq_policy *policy)
{
@@ -534,6 +546,15 @@ static int __init longhaul_cpu_init(struct cpufreq_policy *policy)
char *cpuname=NULL;
int ret;
+ /* Check ACPI support for C3 state */
+ acpi_walk_namespace(ACPI_TYPE_PROCESSOR, ACPI_ROOT_OBJECT, ACPI_UINT32_MAX,
+ &longhaul_walk_callback, NULL, (void *)&pr);
+ if (pr == NULL) goto err_acpi;
+
+ cx = &pr->power.states[ACPI_STATE_C3];
+ if (cx->address == 0 || cx->latency > 1000) goto err_acpi;
+
+ /* Now check what we have on this motherboard */
switch (c->x86_model) {
case 6:
cpu_model = CPU_SAMUEL;
@@ -634,6 +655,10 @@ static int __init longhaul_cpu_init(struct cpufreq_policy *policy)
cpufreq_frequency_table_get_attr(longhaul_table, policy->cpu);
return 0;
+
+err_acpi:
+ printk(KERN_ERR PFX "No ACPI support for CPU frequency changes.\n");
+ return -ENODEV;
}
static int __devexit longhaul_cpu_exit(struct cpufreq_policy *policy)
@@ -666,6 +691,18 @@ static int __init longhaul_init(void)
if (c->x86_vendor != X86_VENDOR_CENTAUR || c->x86 != 6)
return -ENODEV;
+#ifdef CONFIG_SMP
+ if (num_online_cpus() > 1) {
+ return -ENODEV;
+ printk(KERN_ERR PFX "More than 1 CPU detected, longhaul disabled.\n");
+ }
+#endif
+#ifdef CONFIG_X86_IO_APIC
+ if (cpu_has_apic) {
+ printk(KERN_ERR PFX "APIC detected. Longhaul is currently broken in this configuration.\n");
+ return -ENODEV;
+ }
+#endif
switch (c->x86_model) {
case 6 ... 9:
return cpufreq_register_driver(&longhaul_driver);
@@ -699,6 +736,6 @@ MODULE_AUTHOR ("Dave Jones <davej@codemonkey.org.uk>");
MODULE_DESCRIPTION ("Longhaul driver for VIA Cyrix processors.");
MODULE_LICENSE ("GPL");
-module_init(longhaul_init);
+late_initcall(longhaul_init);
module_exit(longhaul_exit);
diff --git a/arch/ia64/hp/sim/simscsi.c b/arch/ia64/hp/sim/simscsi.c
index a3fe97531134..8a4f0d0d17a3 100644
--- a/arch/ia64/hp/sim/simscsi.c
+++ b/arch/ia64/hp/sim/simscsi.c
@@ -151,7 +151,7 @@ static void
simscsi_sg_readwrite (struct scsi_cmnd *sc, int mode, unsigned long offset)
{
int list_len = sc->use_sg;
- struct scatterlist *sl = (struct scatterlist *)sc->buffer;
+ struct scatterlist *sl = (struct scatterlist *)sc->request_buffer;
struct disk_stat stat;
struct disk_req req;
@@ -244,7 +244,7 @@ static void simscsi_fillresult(struct scsi_cmnd *sc, char *buf, unsigned len)
if (scatterlen == 0)
memcpy(sc->request_buffer, buf, len);
- else for (slp = (struct scatterlist *)sc->buffer; scatterlen-- > 0 && len > 0; slp++) {
+ else for (slp = (struct scatterlist *)sc->request_buffer; scatterlen-- > 0 && len > 0; slp++) {
unsigned thislen = min(len, slp->length);
memcpy(page_address(slp->page) + slp->offset, buf, thislen);
diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c
index e4bfa9dafbce..bb8770a177b5 100644
--- a/arch/ia64/kernel/efi.c
+++ b/arch/ia64/kernel/efi.c
@@ -632,7 +632,7 @@ kern_memory_descriptor (unsigned long phys_addr)
if (phys_addr - md->start < (md->num_pages << EFI_PAGE_SHIFT))
return md;
}
- return 0;
+ return NULL;
}
static efi_memory_desc_t *
@@ -652,7 +652,7 @@ efi_memory_descriptor (unsigned long phys_addr)
if (phys_addr - md->phys_addr < (md->num_pages << EFI_PAGE_SHIFT))
return md;
}
- return 0;
+ return NULL;
}
u32
@@ -923,7 +923,7 @@ find_memmap_space (void)
void
efi_memmap_init(unsigned long *s, unsigned long *e)
{
- struct kern_memdesc *k, *prev = 0;
+ struct kern_memdesc *k, *prev = NULL;
u64 contig_low=0, contig_high=0;
u64 as, ae, lim;
void *efi_map_start, *efi_map_end, *p, *q;
diff --git a/arch/ia64/kernel/head.S b/arch/ia64/kernel/head.S
index 561b8f1d3bc7..29236f0c62b5 100644
--- a/arch/ia64/kernel/head.S
+++ b/arch/ia64/kernel/head.S
@@ -853,7 +853,6 @@ END(__ia64_init_fpu)
*/
GLOBAL_ENTRY(ia64_switch_mode_phys)
{
- alloc r2=ar.pfs,0,0,0,0
rsm psr.i | psr.ic // disable interrupts and interrupt collection
mov r15=ip
}
@@ -902,7 +901,6 @@ END(ia64_switch_mode_phys)
*/
GLOBAL_ENTRY(ia64_switch_mode_virt)
{
- alloc r2=ar.pfs,0,0,0,0
rsm psr.i | psr.ic // disable interrupts and interrupt collection
mov r15=ip
}
diff --git a/arch/ia64/kernel/ia64_ksyms.c b/arch/ia64/kernel/ia64_ksyms.c
index b7cf651ceb14..3ead20fb6f4b 100644
--- a/arch/ia64/kernel/ia64_ksyms.c
+++ b/arch/ia64/kernel/ia64_ksyms.c
@@ -62,7 +62,7 @@ EXPORT_SYMBOL(__udivdi3);
EXPORT_SYMBOL(__moddi3);
EXPORT_SYMBOL(__umoddi3);
-#if defined(CONFIG_MD_RAID5) || defined(CONFIG_MD_RAID5_MODULE)
+#if defined(CONFIG_MD_RAID456) || defined(CONFIG_MD_RAID456_MODULE)
extern void xor_ia64_2(void);
extern void xor_ia64_3(void);
extern void xor_ia64_4(void);
diff --git a/arch/ia64/kernel/pal.S b/arch/ia64/kernel/pal.S
index 5018c7f2e7a8..ebaf1e685f5e 100644
--- a/arch/ia64/kernel/pal.S
+++ b/arch/ia64/kernel/pal.S
@@ -217,12 +217,7 @@ GLOBAL_ENTRY(ia64_pal_call_phys_stacked)
.body
;;
ld8 loc2 = [loc2] // loc2 <- entry point
- mov out0 = in0 // first argument
- mov out1 = in1 // copy arg2
- mov out2 = in2 // copy arg3
- mov out3 = in3 // copy arg3
- ;;
- mov loc3 = psr // save psr
+ mov loc3 = psr // save psr
;;
mov loc4=ar.rsc // save RSE configuration
dep.z loc2=loc2,0,61 // convert pal entry point to physical
@@ -236,18 +231,23 @@ GLOBAL_ENTRY(ia64_pal_call_phys_stacked)
;;
andcm r16=loc3,r16 // removes bits to clear from psr
br.call.sptk.many rp=ia64_switch_mode_phys
-.ret6:
+
+ mov out0 = in0 // first argument
+ mov out1 = in1 // copy arg2
+ mov out2 = in2 // copy arg3
+ mov out3 = in3 // copy arg3
mov loc5 = r19
mov loc6 = r20
+
br.call.sptk.many rp=b7 // now make the call
-.ret7:
+
mov ar.rsc=0 // put RSE in enforced lazy, LE mode
mov r16=loc3 // r16= original psr
mov r19=loc5
mov r20=loc6
br.call.sptk.many rp=ia64_switch_mode_virt // return to virtual mode
-.ret8: mov psr.l = loc3 // restore init PSR
+ mov psr.l = loc3 // restore init PSR
mov ar.pfs = loc1
mov rp = loc0
;;
diff --git a/arch/ia64/kernel/palinfo.c b/arch/ia64/kernel/palinfo.c
index ab5b52413e91..0b546e2b36ac 100644
--- a/arch/ia64/kernel/palinfo.c
+++ b/arch/ia64/kernel/palinfo.c
@@ -566,29 +566,23 @@ version_info(char *page)
pal_version_u_t min_ver, cur_ver;
char *p = page;
- /* The PAL_VERSION call is advertised as being able to support
- * both physical and virtual mode calls. This seems to be a documentation
- * bug rather than firmware bug. In fact, it does only support physical mode.
- * So now the code reflects this fact and the pal_version() has been updated
- * accordingly.
- */
- if (ia64_pal_version(&min_ver, &cur_ver) != 0) return 0;
+ if (ia64_pal_version(&min_ver, &cur_ver) != 0)
+ return 0;
p += sprintf(p,
"PAL_vendor : 0x%02x (min=0x%02x)\n"
- "PAL_A : %x.%x.%x (min=%x.%x.%x)\n"
- "PAL_B : %x.%x.%x (min=%x.%x.%x)\n",
- cur_ver.pal_version_s.pv_pal_vendor, min_ver.pal_version_s.pv_pal_vendor,
-
- cur_ver.pal_version_s.pv_pal_a_model>>4,
- cur_ver.pal_version_s.pv_pal_a_model&0xf, cur_ver.pal_version_s.pv_pal_a_rev,
- min_ver.pal_version_s.pv_pal_a_model>>4,
- min_ver.pal_version_s.pv_pal_a_model&0xf, min_ver.pal_version_s.pv_pal_a_rev,
-
- cur_ver.pal_version_s.pv_pal_b_model>>4,
- cur_ver.pal_version_s.pv_pal_b_model&0xf, cur_ver.pal_version_s.pv_pal_b_rev,
- min_ver.pal_version_s.pv_pal_b_model>>4,
- min_ver.pal_version_s.pv_pal_b_model&0xf, min_ver.pal_version_s.pv_pal_b_rev);
+ "PAL_A : %02x.%02x (min=%02x.%02x)\n"
+ "PAL_B : %02x.%02x (min=%02x.%02x)\n",
+ cur_ver.pal_version_s.pv_pal_vendor,
+ min_ver.pal_version_s.pv_pal_vendor,
+ cur_ver.pal_version_s.pv_pal_a_model,
+ cur_ver.pal_version_s.pv_pal_a_rev,
+ min_ver.pal_version_s.pv_pal_a_model,
+ min_ver.pal_version_s.pv_pal_a_rev,
+ cur_ver.pal_version_s.pv_pal_b_model,
+ cur_ver.pal_version_s.pv_pal_b_rev,
+ min_ver.pal_version_s.pv_pal_b_model,
+ min_ver.pal_version_s.pv_pal_b_rev);
return p - page;
}
diff --git a/arch/ia64/kernel/uncached.c b/arch/ia64/kernel/uncached.c
index 5f03b9e524dd..4c73a6763669 100644
--- a/arch/ia64/kernel/uncached.c
+++ b/arch/ia64/kernel/uncached.c
@@ -32,32 +32,38 @@
extern void __init efi_memmap_walk_uc(efi_freemem_callback_t, void *);
-#define MAX_UNCACHED_GRANULES 5
-static int allocated_granules;
+struct uncached_pool {
+ struct gen_pool *pool;
+ struct mutex add_chunk_mutex; /* serialize adding a converted chunk */
+ int nchunks_added; /* #of converted chunks added to pool */
+ atomic_t status; /* smp called function's return status*/
+};
+
+#define MAX_CONVERTED_CHUNKS_PER_NODE 2
-struct gen_pool *uncached_pool[MAX_NUMNODES];
+struct uncached_pool uncached_pools[MAX_NUMNODES];
static void uncached_ipi_visibility(void *data)
{
int status;
+ struct uncached_pool *uc_pool = (struct uncached_pool *)data;
status = ia64_pal_prefetch_visibility(PAL_VISIBILITY_PHYSICAL);
if ((status != PAL_VISIBILITY_OK) &&
(status != PAL_VISIBILITY_OK_REMOTE_NEEDED))
- printk(KERN_DEBUG "pal_prefetch_visibility() returns %i on "
- "CPU %i\n", status, raw_smp_processor_id());
+ atomic_inc(&uc_pool->status);
}
static void uncached_ipi_mc_drain(void *data)
{
int status;
+ struct uncached_pool *uc_pool = (struct uncached_pool *)data;
status = ia64_pal_mc_drain();
- if (status)
- printk(KERN_WARNING "ia64_pal_mc_drain() failed with %i on "
- "CPU %i\n", status, raw_smp_processor_id());
+ if (status != PAL_STATUS_SUCCESS)
+ atomic_inc(&uc_pool->status);
}
@@ -70,21 +76,34 @@ static void uncached_ipi_mc_drain(void *data)
* This is accomplished by first allocating a granule of cached memory pages
* and then converting them to uncached memory pages.
*/
-static int uncached_add_chunk(struct gen_pool *pool, int nid)
+static int uncached_add_chunk(struct uncached_pool *uc_pool, int nid)
{
struct page *page;
- int status, i;
+ int status, i, nchunks_added = uc_pool->nchunks_added;
unsigned long c_addr, uc_addr;
- if (allocated_granules >= MAX_UNCACHED_GRANULES)
+ if (mutex_lock_interruptible(&uc_pool->add_chunk_mutex) != 0)
+ return -1; /* interrupted by a signal */
+
+ if (uc_pool->nchunks_added > nchunks_added) {
+ /* someone added a new chunk while we were waiting */
+ mutex_unlock(&uc_pool->add_chunk_mutex);
+ return 0;
+ }
+
+ if (uc_pool->nchunks_added >= MAX_CONVERTED_CHUNKS_PER_NODE) {
+ mutex_unlock(&uc_pool->add_chunk_mutex);
return -1;
+ }
/* attempt to allocate a granule's worth of cached memory pages */
page = alloc_pages_node(nid, GFP_KERNEL | __GFP_ZERO,
IA64_GRANULE_SHIFT-PAGE_SHIFT);
- if (!page)
+ if (!page) {
+ mutex_unlock(&uc_pool->add_chunk_mutex);
return -1;
+ }
/* convert the memory pages from cached to uncached */
@@ -102,11 +121,14 @@ static int uncached_add_chunk(struct gen_pool *pool, int nid)
flush_tlb_kernel_range(uc_addr, uc_adddr + IA64_GRANULE_SIZE);
status = ia64_pal_prefetch_visibility(PAL_VISIBILITY_PHYSICAL);
- if (!status) {
- status = smp_call_function(uncached_ipi_visibility, NULL, 0, 1);
- if (status)
+ if (status == PAL_VISIBILITY_OK_REMOTE_NEEDED) {
+ atomic_set(&uc_pool->status, 0);
+ status = smp_call_function(uncached_ipi_visibility, uc_pool,
+ 0, 1);
+ if (status || atomic_read(&uc_pool->status))
goto failed;
- }
+ } else if (status != PAL_VISIBILITY_OK)
+ goto failed;
preempt_disable();
@@ -120,20 +142,24 @@ static int uncached_add_chunk(struct gen_pool *pool, int nid)
preempt_enable();
- ia64_pal_mc_drain();
- status = smp_call_function(uncached_ipi_mc_drain, NULL, 0, 1);
- if (status)
+ status = ia64_pal_mc_drain();
+ if (status != PAL_STATUS_SUCCESS)
+ goto failed;
+ atomic_set(&uc_pool->status, 0);
+ status = smp_call_function(uncached_ipi_mc_drain, uc_pool, 0, 1);
+ if (status || atomic_read(&uc_pool->status))
goto failed;
/*
* The chunk of memory pages has been converted to uncached so now we
* can add it to the pool.
*/
- status = gen_pool_add(pool, uc_addr, IA64_GRANULE_SIZE, nid);
+ status = gen_pool_add(uc_pool->pool, uc_addr, IA64_GRANULE_SIZE, nid);
if (status)
goto failed;
- allocated_granules++;
+ uc_pool->nchunks_added++;
+ mutex_unlock(&uc_pool->add_chunk_mutex);
return 0;
/* failed to convert or add the chunk so give it back to the kernel */
@@ -142,6 +168,7 @@ failed:
ClearPageUncached(&page[i]);
free_pages(c_addr, IA64_GRANULE_SHIFT-PAGE_SHIFT);
+ mutex_unlock(&uc_pool->add_chunk_mutex);
return -1;
}
@@ -158,7 +185,7 @@ failed:
unsigned long uncached_alloc_page(int starting_nid)
{
unsigned long uc_addr;
- struct gen_pool *pool;
+ struct uncached_pool *uc_pool;
int nid;
if (unlikely(starting_nid >= MAX_NUMNODES))
@@ -171,14 +198,14 @@ unsigned long uncached_alloc_page(int starting_nid)
do {
if (!node_online(nid))
continue;
- pool = uncached_pool[nid];
- if (pool == NULL)
+ uc_pool = &uncached_pools[nid];
+ if (uc_pool->pool == NULL)
continue;
do {
- uc_addr = gen_pool_alloc(pool, PAGE_SIZE);
+ uc_addr = gen_pool_alloc(uc_pool->pool, PAGE_SIZE);
if (uc_addr != 0)
return uc_addr;
- } while (uncached_add_chunk(pool, nid) == 0);
+ } while (uncached_add_chunk(uc_pool, nid) == 0);
} while ((nid = (nid + 1) % MAX_NUMNODES) != starting_nid);
@@ -197,7 +224,7 @@ EXPORT_SYMBOL(uncached_alloc_page);
void uncached_free_page(unsigned long uc_addr)
{
int nid = paddr_to_nid(uc_addr - __IA64_UNCACHED_OFFSET);
- struct gen_pool *pool = uncached_pool[nid];
+ struct gen_pool *pool = uncached_pools[nid].pool;
if (unlikely(pool == NULL))
return;
@@ -224,7 +251,7 @@ static int __init uncached_build_memmap(unsigned long uc_start,
unsigned long uc_end, void *arg)
{
int nid = paddr_to_nid(uc_start - __IA64_UNCACHED_OFFSET);
- struct gen_pool *pool = uncached_pool[nid];
+ struct gen_pool *pool = uncached_pools[nid].pool;
size_t size = uc_end - uc_start;
touch_softlockup_watchdog();
@@ -242,7 +269,8 @@ static int __init uncached_init(void)
int nid;
for_each_online_node(nid) {
- uncached_pool[nid] = gen_pool_create(PAGE_SHIFT, nid);
+ uncached_pools[nid].pool = gen_pool_create(PAGE_SHIFT, nid);
+ mutex_init(&uncached_pools[nid].add_chunk_mutex);
}
efi_memmap_walk_uc(uncached_build_memmap, NULL);
diff --git a/arch/ia64/lib/Makefile b/arch/ia64/lib/Makefile
index d8536a2c22a9..38fa6e49e791 100644
--- a/arch/ia64/lib/Makefile
+++ b/arch/ia64/lib/Makefile
@@ -14,7 +14,7 @@ lib-y := __divsi3.o __udivsi3.o __modsi3.o __umodsi3.o \
lib-$(CONFIG_ITANIUM) += copy_page.o copy_user.o memcpy.o
lib-$(CONFIG_MCKINLEY) += copy_page_mck.o memcpy_mck.o
lib-$(CONFIG_PERFMON) += carta_random.o
-lib-$(CONFIG_MD_RAID5) += xor.o
+lib-$(CONFIG_MD_RAID456) += xor.o
AFLAGS___divdi3.o =
AFLAGS___udivdi3.o = -DUNSIGNED
diff --git a/arch/ia64/mm/contig.c b/arch/ia64/mm/contig.c
index 2a88cdd6d924..e004143ba86b 100644
--- a/arch/ia64/mm/contig.c
+++ b/arch/ia64/mm/contig.c
@@ -27,6 +27,7 @@
#ifdef CONFIG_VIRTUAL_MEM_MAP
static unsigned long num_dma_physpages;
+static unsigned long max_gap;
#endif
/**
@@ -45,9 +46,15 @@ show_mem (void)
printk("Free swap: %6ldkB\n", nr_swap_pages<<(PAGE_SHIFT-10));
i = max_mapnr;
- while (i-- > 0) {
- if (!pfn_valid(i))
+ for (i = 0; i < max_mapnr; i++) {
+ if (!pfn_valid(i)) {
+#ifdef CONFIG_VIRTUAL_MEM_MAP
+ if (max_gap < LARGE_GAP)
+ continue;
+ i = vmemmap_find_next_valid_pfn(0, i) - 1;
+#endif
continue;
+ }
total++;
if (PageReserved(mem_map+i))
reserved++;
@@ -234,7 +241,6 @@ paging_init (void)
unsigned long zones_size[MAX_NR_ZONES];
#ifdef CONFIG_VIRTUAL_MEM_MAP
unsigned long zholes_size[MAX_NR_ZONES];
- unsigned long max_gap;
#endif
/* initialize mem_map[] */
@@ -266,7 +272,6 @@ paging_init (void)
}
}
- max_gap = 0;
efi_memmap_walk(find_largest_hole, (u64 *)&max_gap);
if (max_gap < LARGE_GAP) {
vmem_map = (struct page *) 0;
@@ -277,7 +282,8 @@ paging_init (void)
/* allocate virtual_mem_map */
- map_size = PAGE_ALIGN(max_low_pfn * sizeof(struct page));
+ map_size = PAGE_ALIGN(ALIGN(max_low_pfn, MAX_ORDER_NR_PAGES) *
+ sizeof(struct page));
vmalloc_end -= map_size;
vmem_map = (struct page *) vmalloc_end;
efi_memmap_walk(create_mem_map_page_table, NULL);
diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c
index 99bd9e30db96..d260bffa01ab 100644
--- a/arch/ia64/mm/discontig.c
+++ b/arch/ia64/mm/discontig.c
@@ -534,68 +534,6 @@ void __cpuinit *per_cpu_init(void)
}
#endif /* CONFIG_SMP */
-#ifdef CONFIG_VIRTUAL_MEM_MAP
-static inline int find_next_valid_pfn_for_pgdat(pg_data_t *pgdat, int i)
-{
- unsigned long end_address, hole_next_pfn;
- unsigned long stop_address;
-
- end_address = (unsigned long) &vmem_map[pgdat->node_start_pfn + i];
- end_address = PAGE_ALIGN(end_address);
-
- stop_address = (unsigned long) &vmem_map[
- pgdat->node_start_pfn + pgdat->node_spanned_pages];
-
- do {
- pgd_t *pgd;
- pud_t *pud;
- pmd_t *pmd;
- pte_t *pte;
-
- pgd = pgd_offset_k(end_address);
- if (pgd_none(*pgd)) {
- end_address += PGDIR_SIZE;
- continue;
- }
-
- pud = pud_offset(pgd, end_address);
- if (pud_none(*pud)) {
- end_address += PUD_SIZE;
- continue;
- }
-
- pmd = pmd_offset(pud, end_address);
- if (pmd_none(*pmd)) {
- end_address += PMD_SIZE;
- continue;
- }
-
- pte = pte_offset_kernel(pmd, end_address);
-retry_pte:
- if (pte_none(*pte)) {
- end_address += PAGE_SIZE;
- pte++;
- if ((end_address < stop_address) &&
- (end_address != ALIGN(end_address, 1UL << PMD_SHIFT)))
- goto retry_pte;
- continue;
- }
- /* Found next valid vmem_map page */
- break;
- } while (end_address < stop_address);
-
- end_address = min(end_address, stop_address);
- end_address = end_address - (unsigned long) vmem_map + sizeof(struct page) - 1;
- hole_next_pfn = end_address / sizeof(struct page);
- return hole_next_pfn - pgdat->node_start_pfn;
-}
-#else
-static inline int find_next_valid_pfn_for_pgdat(pg_data_t *pgdat, int i)
-{
- return i + 1;
-}
-#endif
-
/**
* show_mem - give short summary of memory stats
*
@@ -625,7 +563,8 @@ void show_mem(void)
if (pfn_valid(pgdat->node_start_pfn + i))
page = pfn_to_page(pgdat->node_start_pfn + i);
else {
- i = find_next_valid_pfn_for_pgdat(pgdat, i) - 1;
+ i = vmemmap_find_next_valid_pfn(pgdat->node_id,
+ i) - 1;
continue;
}
if (PageReserved(page))
@@ -751,7 +690,8 @@ void __init paging_init(void)
efi_memmap_walk(filter_rsvd_memory, count_node_pages);
#ifdef CONFIG_VIRTUAL_MEM_MAP
- vmalloc_end -= PAGE_ALIGN(max_low_pfn * sizeof(struct page));
+ vmalloc_end -= PAGE_ALIGN(ALIGN(max_low_pfn, MAX_ORDER_NR_PAGES) *
+ sizeof(struct page));
vmem_map = (struct page *) vmalloc_end;
efi_memmap_walk(create_mem_map_page_table, NULL);
printk("Virtual mem_map starts at 0x%p\n", vmem_map);
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index 2f50c064513c..30617ccb4f7e 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -415,6 +415,61 @@ ia64_mmu_init (void *my_cpu_data)
}
#ifdef CONFIG_VIRTUAL_MEM_MAP
+int vmemmap_find_next_valid_pfn(int node, int i)
+{
+ unsigned long end_address, hole_next_pfn;
+ unsigned long stop_address;
+ pg_data_t *pgdat = NODE_DATA(node);
+
+ end_address = (unsigned long) &vmem_map[pgdat->node_start_pfn + i];
+ end_address = PAGE_ALIGN(end_address);
+
+ stop_address = (unsigned long) &vmem_map[
+ pgdat->node_start_pfn + pgdat->node_spanned_pages];
+
+ do {
+ pgd_t *pgd;
+ pud_t *pud;
+ pmd_t *pmd;
+ pte_t *pte;
+
+ pgd = pgd_offset_k(end_address);
+ if (pgd_none(*pgd)) {
+ end_address += PGDIR_SIZE;
+ continue;
+ }
+
+ pud = pud_offset(pgd, end_address);
+ if (pud_none(*pud)) {
+ end_address += PUD_SIZE;
+ continue;
+ }
+
+ pmd = pmd_offset(pud, end_address);
+ if (pmd_none(*pmd)) {
+ end_address += PMD_SIZE;
+ continue;
+ }
+
+ pte = pte_offset_kernel(pmd, end_address);
+retry_pte:
+ if (pte_none(*pte)) {
+ end_address += PAGE_SIZE;
+ pte++;
+ if ((end_address < stop_address) &&
+ (end_address != ALIGN(end_address, 1UL << PMD_SHIFT)))
+ goto retry_pte;
+ continue;
+ }
+ /* Found next valid vmem_map page */
+ break;
+ } while (end_address < stop_address);
+
+ end_address = min(end_address, stop_address);
+ end_address = end_address - (unsigned long) vmem_map + sizeof(struct page) - 1;
+ hole_next_pfn = end_address / sizeof(struct page);
+ return hole_next_pfn - pgdat->node_start_pfn;
+}
int __init
create_mem_map_page_table (u64 start, u64 end, void *arg)
diff --git a/arch/ia64/mm/ioremap.c b/arch/ia64/mm/ioremap.c
index 07bd02b6c372..4280c074d64e 100644
--- a/arch/ia64/mm/ioremap.c
+++ b/arch/ia64/mm/ioremap.c
@@ -32,7 +32,7 @@ ioremap (unsigned long offset, unsigned long size)
*/
attr = kern_mem_attribute(offset, size);
if (attr & EFI_MEMORY_WB)
- return phys_to_virt(offset);
+ return (void __iomem *) phys_to_virt(offset);
else if (attr & EFI_MEMORY_UC)
return __ioremap(offset, size);
@@ -43,7 +43,7 @@ ioremap (unsigned long offset, unsigned long size)
gran_base = GRANULEROUNDDOWN(offset);
gran_size = GRANULEROUNDUP(offset + size) - gran_base;
if (efi_mem_attribute(gran_base, gran_size) & EFI_MEMORY_WB)
- return phys_to_virt(offset);
+ return (void __iomem *) phys_to_virt(offset);
return __ioremap(offset, size);
}
@@ -53,7 +53,7 @@ void __iomem *
ioremap_nocache (unsigned long offset, unsigned long size)
{
if (kern_mem_attribute(offset, size) & EFI_MEMORY_WB)
- return 0;
+ return NULL;
return __ioremap(offset, size);
}
diff --git a/arch/ia64/sn/kernel/xpc_main.c b/arch/ia64/sn/kernel/xpc_main.c
index 99b123a6421a..5e8e59efb347 100644
--- a/arch/ia64/sn/kernel/xpc_main.c
+++ b/arch/ia64/sn/kernel/xpc_main.c
@@ -480,7 +480,7 @@ xpc_activating(void *__partid)
partid_t partid = (u64) __partid;
struct xpc_partition *part = &xpc_partitions[partid];
unsigned long irq_flags;
- struct sched_param param = { sched_priority: MAX_RT_PRIO - 1 };
+ struct sched_param param = { .sched_priority = MAX_RT_PRIO - 1 };
int ret;
diff --git a/arch/ia64/sn/pci/tioce_provider.c b/arch/ia64/sn/pci/tioce_provider.c
index 17cd34284886..af7171adcd2c 100644
--- a/arch/ia64/sn/pci/tioce_provider.c
+++ b/arch/ia64/sn/pci/tioce_provider.c
@@ -74,7 +74,7 @@ tioce_mmr_war_pre(struct tioce_kernel *kern, void *mmr_addr)
else
mmr_war_offset = 0x158;
- readq_relaxed((void *)(mmr_base + mmr_war_offset));
+ readq_relaxed((void __iomem *)(mmr_base + mmr_war_offset));
}
}
@@ -92,8 +92,8 @@ tioce_mmr_war_post(struct tioce_kernel *kern, void *mmr_addr)
if (mmr_offset < 0x45000) {
if (mmr_offset == 0x100)
- readq_relaxed((void *)(mmr_base + 0x38));
- readq_relaxed((void *)(mmr_base + 0xb050));
+ readq_relaxed((void __iomem *)(mmr_base + 0x38));
+ readq_relaxed((void __iomem *)(mmr_base + 0xb050));
}
}
diff --git a/arch/powerpc/kernel/rtas.c b/arch/powerpc/kernel/rtas.c
index 14353b8789dd..bfd66d3a035c 100644
--- a/arch/powerpc/kernel/rtas.c
+++ b/arch/powerpc/kernel/rtas.c
@@ -571,6 +571,27 @@ int rtas_set_indicator(int indicator, int index, int new_value)
}
EXPORT_SYMBOL(rtas_set_indicator);
+/*
+ * Ignoring RTAS extended delay
+ */
+int rtas_set_indicator_fast(int indicator, int index, int new_value)
+{
+ int rc;
+ int token = rtas_token("set-indicator");
+
+ if (token == RTAS_UNKNOWN_SERVICE)
+ return -ENOENT;
+
+ rc = rtas_call(token, 3, 1, NULL, indicator, index, new_value);
+
+ WARN_ON(rc == -2 || (rc >= 9900 && rc <= 9905));
+
+ if (rc < 0)
+ return rtas_error_rc(rc);
+
+ return rc;
+}
+
void rtas_restart(char *cmd)
{
if (rtas_flash_term_hook)
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index 6ebeecfd6bcb..1587efc51057 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -213,8 +213,6 @@ static void pseries_lpar_enable_pmcs(void)
{
unsigned long set, reset;
- power4_enable_pmcs();
-
set = 1UL << 63;
reset = 0;
plpar_hcall_norets(H_PERFMON, set, reset);
diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c
index c88ec63129f3..253972e5479f 100644
--- a/arch/powerpc/platforms/pseries/xics.c
+++ b/arch/powerpc/platforms/pseries/xics.c
@@ -447,7 +447,7 @@ void xics_setup_cpu(void)
*
* XXX: undo of teardown on kexec needs this too, as may hotplug
*/
- rtas_set_indicator(GLOBAL_INTERRUPT_QUEUE,
+ rtas_set_indicator_fast(GLOBAL_INTERRUPT_QUEUE,
(1UL << interrupt_server_size) - 1 - default_distrib_server, 1);
}
@@ -776,7 +776,7 @@ void xics_teardown_cpu(int secondary)
* so leave the master cpu in the group.
*/
if (secondary)
- rtas_set_indicator(GLOBAL_INTERRUPT_QUEUE,
+ rtas_set_indicator_fast(GLOBAL_INTERRUPT_QUEUE,
(1UL << interrupt_server_size) - 1 -
default_distrib_server, 0);
}
@@ -793,7 +793,7 @@ void xics_migrate_irqs_away(void)
xics_set_cpu_priority(cpu, 0);
/* remove ourselves from the global interrupt queue */
- status = rtas_set_indicator(GLOBAL_INTERRUPT_QUEUE,
+ status = rtas_set_indicator_fast(GLOBAL_INTERRUPT_QUEUE,
(1UL << interrupt_server_size) - 1 - default_distrib_server, 0);
WARN_ON(status < 0);
diff --git a/arch/sh/kernel/cpu/sh4/sq.c b/arch/sh/kernel/cpu/sh4/sq.c
index 781dbb11c038..b09805f3ee23 100644
--- a/arch/sh/kernel/cpu/sh4/sq.c
+++ b/arch/sh/kernel/cpu/sh4/sq.c
@@ -421,18 +421,22 @@ static struct miscdevice sq_dev = {
static int __init sq_api_init(void)
{
+ int ret;
printk(KERN_NOTICE "sq: Registering store queue API.\n");
-#ifdef CONFIG_PROC_FS
create_proc_read_entry("sq_mapping", 0, 0, sq_mapping_read_proc, 0);
-#endif
- return misc_register(&sq_dev);
+ ret = misc_register(&sq_dev);
+ if (ret)
+ remove_proc_entry("sq_mapping", NULL);
+
+ return ret;
}
static void __exit sq_api_exit(void)
{
misc_deregister(&sq_dev);
+ remove_proc_entry("sq_mapping", NULL);
}
module_init(sq_api_init);
diff --git a/arch/x86_64/kernel/entry.S b/arch/x86_64/kernel/entry.S
index d464dded68c0..6f810424df44 100644
--- a/arch/x86_64/kernel/entry.S
+++ b/arch/x86_64/kernel/entry.S
@@ -513,6 +513,7 @@ END(stub_rt_sigreturn)
swapgs
1: incl %gs:pda_irqcount # RED-PEN should check preempt count
cmoveq %gs:pda_irqstackptr,%rsp
+ push %rbp # backlink for old unwinder
/*
* We entered an interrupt context - irqs are off:
*/
@@ -1139,18 +1140,21 @@ ENTRY(machine_check)
END(machine_check)
#endif
+/* Call softirq on interrupt stack. Interrupts are off. */
ENTRY(call_softirq)
CFI_STARTPROC
- movq %gs:pda_irqstackptr,%rax
- movq %rsp,%rdx
- CFI_DEF_CFA_REGISTER rdx
+ push %rbp
+ CFI_ADJUST_CFA_OFFSET 8
+ CFI_REL_OFFSET rbp,0
+ mov %rsp,%rbp
+ CFI_DEF_CFA_REGISTER rbp
incl %gs:pda_irqcount
- cmove %rax,%rsp
- pushq %rdx
- /*todo CFI_DEF_CFA_EXPRESSION ...*/
+ cmove %gs:pda_irqstackptr,%rsp
+ push %rbp # backlink for old unwinder
call __do_softirq
- popq %rsp
+ leaveq
CFI_DEF_CFA_REGISTER rsp
+ CFI_ADJUST_CFA_OFFSET -8
decl %gs:pda_irqcount
ret
CFI_ENDPROC
diff --git a/arch/x86_64/kernel/pci-nommu.c b/arch/x86_64/kernel/pci-nommu.c
index c4c3cc36ac5b..aad7609d8e92 100644
--- a/arch/x86_64/kernel/pci-nommu.c
+++ b/arch/x86_64/kernel/pci-nommu.c
@@ -92,5 +92,7 @@ void __init no_iommu_init(void)
{
if (dma_ops)
return;
+
+ force_iommu = 0; /* no HW IOMMU */
dma_ops = &nommu_dma_ops;
}
diff --git a/arch/x86_64/kernel/smp.c b/arch/x86_64/kernel/smp.c
index 5a1c0a3bf872..06af6ca60129 100644
--- a/arch/x86_64/kernel/smp.c
+++ b/arch/x86_64/kernel/smp.c
@@ -203,7 +203,7 @@ int __cpuinit init_smp_flush(void)
{
int i;
for_each_cpu_mask(i, cpu_possible_map) {
- spin_lock_init(&per_cpu(flush_state.tlbstate_lock, i));
+ spin_lock_init(&per_cpu(flush_state, i).tlbstate_lock);
}
return 0;
}