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-rw-r--r--arch/powerpc/platforms/82xx/pq2ads-pci-pic.c10
-rw-r--r--arch/powerpc/platforms/85xx/socrates_fpga_pic.c34
-rw-r--r--arch/powerpc/platforms/86xx/Kconfig12
-rw-r--r--arch/powerpc/platforms/86xx/gef_gpio.c10
-rw-r--r--arch/powerpc/platforms/86xx/gef_pic.c20
-rw-r--r--arch/powerpc/platforms/86xx/gef_ppc9a.c12
-rw-r--r--arch/powerpc/platforms/86xx/gef_sbc310.c12
-rw-r--r--arch/powerpc/platforms/86xx/gef_sbc610.c12
-rw-r--r--arch/powerpc/platforms/Kconfig.cputype10
-rw-r--r--arch/powerpc/platforms/iseries/exception.S25
-rw-r--r--arch/powerpc/platforms/pseries/hotplug-cpu.c42
-rw-r--r--arch/powerpc/platforms/pseries/offline_states.h23
-rw-r--r--arch/powerpc/platforms/pseries/plpar_wrappers.h4
-rw-r--r--arch/powerpc/platforms/pseries/xics.c7
14 files changed, 130 insertions, 103 deletions
diff --git a/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c b/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c
index 9d962d7c72c..d4a09f8705b 100644
--- a/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c
+++ b/arch/powerpc/platforms/82xx/pq2ads-pci-pic.c
@@ -24,7 +24,7 @@
#include "pq2.h"
-static DEFINE_SPINLOCK(pci_pic_lock);
+static DEFINE_RAW_SPINLOCK(pci_pic_lock);
struct pq2ads_pci_pic {
struct device_node *node;
@@ -45,12 +45,12 @@ static void pq2ads_pci_mask_irq(unsigned int virq)
if (irq != -1) {
unsigned long flags;
- spin_lock_irqsave(&pci_pic_lock, flags);
+ raw_spin_lock_irqsave(&pci_pic_lock, flags);
setbits32(&priv->regs->mask, 1 << irq);
mb();
- spin_unlock_irqrestore(&pci_pic_lock, flags);
+ raw_spin_unlock_irqrestore(&pci_pic_lock, flags);
}
}
@@ -62,9 +62,9 @@ static void pq2ads_pci_unmask_irq(unsigned int virq)
if (irq != -1) {
unsigned long flags;
- spin_lock_irqsave(&pci_pic_lock, flags);
+ raw_spin_lock_irqsave(&pci_pic_lock, flags);
clrbits32(&priv->regs->mask, 1 << irq);
- spin_unlock_irqrestore(&pci_pic_lock, flags);
+ raw_spin_unlock_irqrestore(&pci_pic_lock, flags);
}
}
diff --git a/arch/powerpc/platforms/85xx/socrates_fpga_pic.c b/arch/powerpc/platforms/85xx/socrates_fpga_pic.c
index 42e87f08aa0..d48527ffc42 100644
--- a/arch/powerpc/platforms/85xx/socrates_fpga_pic.c
+++ b/arch/powerpc/platforms/85xx/socrates_fpga_pic.c
@@ -50,7 +50,7 @@ static struct socrates_fpga_irq_info fpga_irqs[SOCRATES_FPGA_NUM_IRQS] = {
#define socrates_fpga_irq_to_hw(virq) ((unsigned int)irq_map[virq].hwirq)
-static DEFINE_SPINLOCK(socrates_fpga_pic_lock);
+static DEFINE_RAW_SPINLOCK(socrates_fpga_pic_lock);
static void __iomem *socrates_fpga_pic_iobase;
static struct irq_host *socrates_fpga_pic_irq_host;
@@ -80,9 +80,9 @@ static inline unsigned int socrates_fpga_pic_get_irq(unsigned int irq)
if (i == 3)
return NO_IRQ;
- spin_lock_irqsave(&socrates_fpga_pic_lock, flags);
+ raw_spin_lock_irqsave(&socrates_fpga_pic_lock, flags);
cause = socrates_fpga_pic_read(FPGA_PIC_IRQMASK(i));
- spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags);
+ raw_spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags);
for (i = SOCRATES_FPGA_NUM_IRQS - 1; i >= 0; i--) {
if (cause >> (i + 16))
break;
@@ -116,12 +116,12 @@ static void socrates_fpga_pic_ack(unsigned int virq)
hwirq = socrates_fpga_irq_to_hw(virq);
irq_line = fpga_irqs[hwirq].irq_line;
- spin_lock_irqsave(&socrates_fpga_pic_lock, flags);
+ raw_spin_lock_irqsave(&socrates_fpga_pic_lock, flags);
mask = socrates_fpga_pic_read(FPGA_PIC_IRQMASK(irq_line))
& SOCRATES_FPGA_IRQ_MASK;
mask |= (1 << (hwirq + 16));
socrates_fpga_pic_write(FPGA_PIC_IRQMASK(irq_line), mask);
- spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags);
+ raw_spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags);
}
static void socrates_fpga_pic_mask(unsigned int virq)
@@ -134,12 +134,12 @@ static void socrates_fpga_pic_mask(unsigned int virq)
hwirq = socrates_fpga_irq_to_hw(virq);
irq_line = fpga_irqs[hwirq].irq_line;
- spin_lock_irqsave(&socrates_fpga_pic_lock, flags);
+ raw_spin_lock_irqsave(&socrates_fpga_pic_lock, flags);
mask = socrates_fpga_pic_read(FPGA_PIC_IRQMASK(irq_line))
& SOCRATES_FPGA_IRQ_MASK;
mask &= ~(1 << hwirq);
socrates_fpga_pic_write(FPGA_PIC_IRQMASK(irq_line), mask);
- spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags);
+ raw_spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags);
}
static void socrates_fpga_pic_mask_ack(unsigned int virq)
@@ -152,13 +152,13 @@ static void socrates_fpga_pic_mask_ack(unsigned int virq)
hwirq = socrates_fpga_irq_to_hw(virq);
irq_line = fpga_irqs[hwirq].irq_line;
- spin_lock_irqsave(&socrates_fpga_pic_lock, flags);
+ raw_spin_lock_irqsave(&socrates_fpga_pic_lock, flags);
mask = socrates_fpga_pic_read(FPGA_PIC_IRQMASK(irq_line))
& SOCRATES_FPGA_IRQ_MASK;
mask &= ~(1 << hwirq);
mask |= (1 << (hwirq + 16));
socrates_fpga_pic_write(FPGA_PIC_IRQMASK(irq_line), mask);
- spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags);
+ raw_spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags);
}
static void socrates_fpga_pic_unmask(unsigned int virq)
@@ -171,12 +171,12 @@ static void socrates_fpga_pic_unmask(unsigned int virq)
hwirq = socrates_fpga_irq_to_hw(virq);
irq_line = fpga_irqs[hwirq].irq_line;
- spin_lock_irqsave(&socrates_fpga_pic_lock, flags);
+ raw_spin_lock_irqsave(&socrates_fpga_pic_lock, flags);
mask = socrates_fpga_pic_read(FPGA_PIC_IRQMASK(irq_line))
& SOCRATES_FPGA_IRQ_MASK;
mask |= (1 << hwirq);
socrates_fpga_pic_write(FPGA_PIC_IRQMASK(irq_line), mask);
- spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags);
+ raw_spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags);
}
static void socrates_fpga_pic_eoi(unsigned int virq)
@@ -189,12 +189,12 @@ static void socrates_fpga_pic_eoi(unsigned int virq)
hwirq = socrates_fpga_irq_to_hw(virq);
irq_line = fpga_irqs[hwirq].irq_line;
- spin_lock_irqsave(&socrates_fpga_pic_lock, flags);
+ raw_spin_lock_irqsave(&socrates_fpga_pic_lock, flags);
mask = socrates_fpga_pic_read(FPGA_PIC_IRQMASK(irq_line))
& SOCRATES_FPGA_IRQ_MASK;
mask |= (1 << (hwirq + 16));
socrates_fpga_pic_write(FPGA_PIC_IRQMASK(irq_line), mask);
- spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags);
+ raw_spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags);
}
static int socrates_fpga_pic_set_type(unsigned int virq,
@@ -220,14 +220,14 @@ static int socrates_fpga_pic_set_type(unsigned int virq,
default:
return -EINVAL;
}
- spin_lock_irqsave(&socrates_fpga_pic_lock, flags);
+ raw_spin_lock_irqsave(&socrates_fpga_pic_lock, flags);
mask = socrates_fpga_pic_read(FPGA_PIC_IRQCFG);
if (polarity)
mask |= (1 << hwirq);
else
mask &= ~(1 << hwirq);
socrates_fpga_pic_write(FPGA_PIC_IRQCFG, mask);
- spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags);
+ raw_spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags);
return 0;
}
@@ -314,14 +314,14 @@ void socrates_fpga_pic_init(struct device_node *pic)
socrates_fpga_pic_iobase = of_iomap(pic, 0);
- spin_lock_irqsave(&socrates_fpga_pic_lock, flags);
+ raw_spin_lock_irqsave(&socrates_fpga_pic_lock, flags);
socrates_fpga_pic_write(FPGA_PIC_IRQMASK(0),
SOCRATES_FPGA_IRQ_MASK << 16);
socrates_fpga_pic_write(FPGA_PIC_IRQMASK(1),
SOCRATES_FPGA_IRQ_MASK << 16);
socrates_fpga_pic_write(FPGA_PIC_IRQMASK(2),
SOCRATES_FPGA_IRQ_MASK << 16);
- spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags);
+ raw_spin_unlock_irqrestore(&socrates_fpga_pic_lock, flags);
pr_info("FPGA PIC: Setting up Socrates FPGA PIC\n");
}
diff --git a/arch/powerpc/platforms/86xx/Kconfig b/arch/powerpc/platforms/86xx/Kconfig
index 2bbfd530d6d..fbe9f362142 100644
--- a/arch/powerpc/platforms/86xx/Kconfig
+++ b/arch/powerpc/platforms/86xx/Kconfig
@@ -33,32 +33,32 @@ config MPC8610_HPCD
This option enables support for the MPC8610 HPCD board.
config GEF_PPC9A
- bool "GE Fanuc PPC9A"
+ bool "GE PPC9A"
select DEFAULT_UIMAGE
select MMIO_NVRAM
select GENERIC_GPIO
select ARCH_REQUIRE_GPIOLIB
help
- This option enables support for GE Fanuc's PPC9A.
+ This option enables support for the GE PPC9A.
config GEF_SBC310
- bool "GE Fanuc SBC310"
+ bool "GE SBC310"
select DEFAULT_UIMAGE
select MMIO_NVRAM
select GENERIC_GPIO
select ARCH_REQUIRE_GPIOLIB
help
- This option enables support for GE Fanuc's SBC310.
+ This option enables support for the GE SBC310.
config GEF_SBC610
- bool "GE Fanuc SBC610"
+ bool "GE SBC610"
select DEFAULT_UIMAGE
select MMIO_NVRAM
select GENERIC_GPIO
select ARCH_REQUIRE_GPIOLIB
select HAS_RAPIDIO
help
- This option enables support for GE Fanuc's SBC610.
+ This option enables support for the GE SBC610.
endif
diff --git a/arch/powerpc/platforms/86xx/gef_gpio.c b/arch/powerpc/platforms/86xx/gef_gpio.c
index b2ea8875adb..11f7b2b6f49 100644
--- a/arch/powerpc/platforms/86xx/gef_gpio.c
+++ b/arch/powerpc/platforms/86xx/gef_gpio.c
@@ -1,9 +1,9 @@
/*
- * Driver for GE Fanuc's FPGA based GPIO pins
+ * Driver for GE FPGA based GPIO
*
- * Author: Martyn Welch <martyn.welch@gefanuc.com>
+ * Author: Martyn Welch <martyn.welch@ge.com>
*
- * 2008 (c) GE Fanuc Intelligent Platforms Embedded Systems, Inc.
+ * 2008 (c) GE Intelligent Platforms Embedded Systems, Inc.
*
* This file is licensed under the terms of the GNU General Public License
* version 2. This program is licensed "as is" without any warranty of any
@@ -164,6 +164,6 @@ static int __init gef_gpio_init(void)
};
arch_initcall(gef_gpio_init);
-MODULE_DESCRIPTION("GE Fanuc I/O FPGA GPIO driver");
-MODULE_AUTHOR("Martyn Welch <martyn.welch@gefanuc.com");
+MODULE_DESCRIPTION("GE I/O FPGA GPIO driver");
+MODULE_AUTHOR("Martyn Welch <martyn.welch@ge.com");
MODULE_LICENSE("GPL");
diff --git a/arch/powerpc/platforms/86xx/gef_pic.c b/arch/powerpc/platforms/86xx/gef_pic.c
index 0110a8736d3..6df9e2561c0 100644
--- a/arch/powerpc/platforms/86xx/gef_pic.c
+++ b/arch/powerpc/platforms/86xx/gef_pic.c
@@ -1,9 +1,9 @@
/*
- * Interrupt handling for GE Fanuc's FPGA based PIC
+ * Interrupt handling for GE FPGA based PIC
*
- * Author: Martyn Welch <martyn.welch@gefanuc.com>
+ * Author: Martyn Welch <martyn.welch@ge.com>
*
- * 2008 (c) GE Fanuc Intelligent Platforms Embedded Systems, Inc.
+ * 2008 (c) GE Intelligent Platforms Embedded Systems, Inc.
*
* This file is licensed under the terms of the GNU General Public License
* version 2. This program is licensed "as is" without any warranty of any
@@ -49,7 +49,7 @@
#define gef_irq_to_hw(virq) ((unsigned int)irq_map[virq].hwirq)
-static DEFINE_SPINLOCK(gef_pic_lock);
+static DEFINE_RAW_SPINLOCK(gef_pic_lock);
static void __iomem *gef_pic_irq_reg_base;
static struct irq_host *gef_pic_irq_host;
@@ -118,11 +118,11 @@ static void gef_pic_mask(unsigned int virq)
hwirq = gef_irq_to_hw(virq);
- spin_lock_irqsave(&gef_pic_lock, flags);
+ raw_spin_lock_irqsave(&gef_pic_lock, flags);
mask = in_be32(gef_pic_irq_reg_base + GEF_PIC_INTR_MASK(0));
mask &= ~(1 << hwirq);
out_be32(gef_pic_irq_reg_base + GEF_PIC_INTR_MASK(0), mask);
- spin_unlock_irqrestore(&gef_pic_lock, flags);
+ raw_spin_unlock_irqrestore(&gef_pic_lock, flags);
}
static void gef_pic_mask_ack(unsigned int virq)
@@ -141,11 +141,11 @@ static void gef_pic_unmask(unsigned int virq)
hwirq = gef_irq_to_hw(virq);
- spin_lock_irqsave(&gef_pic_lock, flags);
+ raw_spin_lock_irqsave(&gef_pic_lock, flags);
mask = in_be32(gef_pic_irq_reg_base + GEF_PIC_INTR_MASK(0));
mask |= (1 << hwirq);
out_be32(gef_pic_irq_reg_base + GEF_PIC_INTR_MASK(0), mask);
- spin_unlock_irqrestore(&gef_pic_lock, flags);
+ raw_spin_unlock_irqrestore(&gef_pic_lock, flags);
}
static struct irq_chip gef_pic_chip = {
@@ -199,7 +199,7 @@ void __init gef_pic_init(struct device_node *np)
/* Map the devices registers into memory */
gef_pic_irq_reg_base = of_iomap(np, 0);
- spin_lock_irqsave(&gef_pic_lock, flags);
+ raw_spin_lock_irqsave(&gef_pic_lock, flags);
/* Initialise everything as masked. */
out_be32(gef_pic_irq_reg_base + GEF_PIC_CPU0_INTR_MASK, 0);
@@ -208,7 +208,7 @@ void __init gef_pic_init(struct device_node *np)
out_be32(gef_pic_irq_reg_base + GEF_PIC_CPU0_MCP_MASK, 0);
out_be32(gef_pic_irq_reg_base + GEF_PIC_CPU1_MCP_MASK, 0);
- spin_unlock_irqrestore(&gef_pic_lock, flags);
+ raw_spin_unlock_irqrestore(&gef_pic_lock, flags);
/* Map controller */
gef_pic_cascade_irq = irq_of_parse_and_map(np, 0);
diff --git a/arch/powerpc/platforms/86xx/gef_ppc9a.c b/arch/powerpc/platforms/86xx/gef_ppc9a.c
index a792e5d8581..60ce07e3910 100644
--- a/arch/powerpc/platforms/86xx/gef_ppc9a.c
+++ b/arch/powerpc/platforms/86xx/gef_ppc9a.c
@@ -1,9 +1,9 @@
/*
- * GE Fanuc PPC9A board support
+ * GE PPC9A board support
*
- * Author: Martyn Welch <martyn.welch@gefanuc.com>
+ * Author: Martyn Welch <martyn.welch@ge.com>
*
- * Copyright 2008 GE Fanuc Intelligent Platforms Embedded Systems, Inc.
+ * Copyright 2008 GE Intelligent Platforms Embedded Systems, Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@@ -82,7 +82,7 @@ static void __init gef_ppc9a_setup_arch(void)
}
#endif
- printk(KERN_INFO "GE Fanuc Intelligent Platforms PPC9A 6U VME SBC\n");
+ printk(KERN_INFO "GE Intelligent Platforms PPC9A 6U VME SBC\n");
#ifdef CONFIG_SMP
mpc86xx_smp_init();
@@ -151,7 +151,7 @@ static void gef_ppc9a_show_cpuinfo(struct seq_file *m)
{
uint svid = mfspr(SPRN_SVR);
- seq_printf(m, "Vendor\t\t: GE Fanuc Intelligent Platforms\n");
+ seq_printf(m, "Vendor\t\t: GE Intelligent Platforms\n");
seq_printf(m, "Revision\t: %u%c\n", gef_ppc9a_get_pcb_rev(),
('A' + gef_ppc9a_get_board_rev()));
@@ -235,7 +235,7 @@ static int __init declare_of_platform_devices(void)
machine_device_initcall(gef_ppc9a, declare_of_platform_devices);
define_machine(gef_ppc9a) {
- .name = "GE Fanuc PPC9A",
+ .name = "GE PPC9A",
.probe = gef_ppc9a_probe,
.setup_arch = gef_ppc9a_setup_arch,
.init_IRQ = gef_ppc9a_init_irq,
diff --git a/arch/powerpc/platforms/86xx/gef_sbc310.c b/arch/powerpc/platforms/86xx/gef_sbc310.c
index 6a1a613836c..3ecee25bf3e 100644
--- a/arch/powerpc/platforms/86xx/gef_sbc310.c
+++ b/arch/powerpc/platforms/86xx/gef_sbc310.c
@@ -1,9 +1,9 @@
/*
- * GE Fanuc SBC310 board support
+ * GE SBC310 board support
*
- * Author: Martyn Welch <martyn.welch@gefanuc.com>
+ * Author: Martyn Welch <martyn.welch@ge.com>
*
- * Copyright 2008 GE Fanuc Intelligent Platforms Embedded Systems, Inc.
+ * Copyright 2008 GE Intelligent Platforms Embedded Systems, Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@@ -82,7 +82,7 @@ static void __init gef_sbc310_setup_arch(void)
}
#endif
- printk(KERN_INFO "GE Fanuc Intelligent Platforms SBC310 6U VPX SBC\n");
+ printk(KERN_INFO "GE Intelligent Platforms SBC310 6U VPX SBC\n");
#ifdef CONFIG_SMP
mpc86xx_smp_init();
@@ -142,7 +142,7 @@ static void gef_sbc310_show_cpuinfo(struct seq_file *m)
{
uint svid = mfspr(SPRN_SVR);
- seq_printf(m, "Vendor\t\t: GE Fanuc Intelligent Platforms\n");
+ seq_printf(m, "Vendor\t\t: GE Intelligent Platforms\n");
seq_printf(m, "Board ID\t: 0x%2.2x\n", gef_sbc310_get_board_id());
seq_printf(m, "Revision\t: %u%c\n", gef_sbc310_get_pcb_rev(),
@@ -223,7 +223,7 @@ static int __init declare_of_platform_devices(void)
machine_device_initcall(gef_sbc310, declare_of_platform_devices);
define_machine(gef_sbc310) {
- .name = "GE Fanuc SBC310",
+ .name = "GE SBC310",
.probe = gef_sbc310_probe,
.setup_arch = gef_sbc310_setup_arch,
.init_IRQ = gef_sbc310_init_irq,
diff --git a/arch/powerpc/platforms/86xx/gef_sbc610.c b/arch/powerpc/platforms/86xx/gef_sbc610.c
index e10688a0fc4..5090d608d9e 100644
--- a/arch/powerpc/platforms/86xx/gef_sbc610.c
+++ b/arch/powerpc/platforms/86xx/gef_sbc610.c
@@ -1,9 +1,9 @@
/*
- * GE Fanuc SBC610 board support
+ * GE SBC610 board support
*
- * Author: Martyn Welch <martyn.welch@gefanuc.com>
+ * Author: Martyn Welch <martyn.welch@ge.com>
*
- * Copyright 2008 GE Fanuc Intelligent Platforms Embedded Systems, Inc.
+ * Copyright 2008 GE Intelligent Platforms Embedded Systems, Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@@ -82,7 +82,7 @@ static void __init gef_sbc610_setup_arch(void)
}
#endif
- printk(KERN_INFO "GE Fanuc Intelligent Platforms SBC610 6U VPX SBC\n");
+ printk(KERN_INFO "GE Intelligent Platforms SBC610 6U VPX SBC\n");
#ifdef CONFIG_SMP
mpc86xx_smp_init();
@@ -133,7 +133,7 @@ static void gef_sbc610_show_cpuinfo(struct seq_file *m)
{
uint svid = mfspr(SPRN_SVR);
- seq_printf(m, "Vendor\t\t: GE Fanuc Intelligent Platforms\n");
+ seq_printf(m, "Vendor\t\t: GE Intelligent Platforms\n");
seq_printf(m, "Revision\t: %u%c\n", gef_sbc610_get_pcb_rev(),
('A' + gef_sbc610_get_board_rev() - 1));
@@ -212,7 +212,7 @@ static int __init declare_of_platform_devices(void)
machine_device_initcall(gef_sbc610, declare_of_platform_devices);
define_machine(gef_sbc610) {
- .name = "GE Fanuc SBC610",
+ .name = "GE SBC610",
.probe = gef_sbc610_probe,
.setup_arch = gef_sbc610_setup_arch,
.init_IRQ = gef_sbc610_init_irq,
diff --git a/arch/powerpc/platforms/Kconfig.cputype b/arch/powerpc/platforms/Kconfig.cputype
index fa0f690d386..a8aae0b5457 100644
--- a/arch/powerpc/platforms/Kconfig.cputype
+++ b/arch/powerpc/platforms/Kconfig.cputype
@@ -144,6 +144,16 @@ config FSL_EMB_PERFMON
and some e300 cores (c3 and c4). Select this only if your
core supports the Embedded Performance Monitor APU
+config FSL_EMB_PERF_EVENT
+ bool
+ depends on FSL_EMB_PERFMON && PERF_EVENTS && !PPC_PERF_CTRS
+ default y
+
+config FSL_EMB_PERF_EVENT_E500
+ bool
+ depends on FSL_EMB_PERF_EVENT && E500
+ default y
+
config 4xx
bool
depends on 40x || 44x
diff --git a/arch/powerpc/platforms/iseries/exception.S b/arch/powerpc/platforms/iseries/exception.S
index 5369653dcf6..fba5bf91507 100644
--- a/arch/powerpc/platforms/iseries/exception.S
+++ b/arch/powerpc/platforms/iseries/exception.S
@@ -43,17 +43,14 @@ system_reset_iSeries:
LOAD_REG_ADDR(r23, alpaca)
li r0,ALPACA_SIZE
sub r23,r13,r23
- divdu r23,r23,r0 /* r23 has cpu number */
- LOAD_REG_ADDR(r13, paca)
- mulli r0,r23,PACA_SIZE
- add r13,r13,r0
- mtspr SPRN_SPRG_PACA,r13 /* Save it away for the future */
- mfmsr r24
- ori r24,r24,MSR_RI
- mtmsrd r24 /* RI on */
- mr r24,r23
+ divdu r24,r23,r0 /* r24 has cpu number */
cmpwi 0,r24,0 /* Are we processor 0? */
bne 1f
+ LOAD_REG_ADDR(r13, boot_paca)
+ mtspr SPRN_SPRG_PACA,r13 /* Save it away for the future */
+ mfmsr r23
+ ori r23,r23,MSR_RI
+ mtmsrd r23 /* RI on */
b .__start_initialization_iSeries /* Start up the first processor */
1: mfspr r4,SPRN_CTRLF
li r5,CTRL_RUNLATCH /* Turn off the run light */
@@ -86,6 +83,16 @@ system_reset_iSeries:
#endif
2:
+ /* Load our paca now that it's been allocated */
+ LOAD_REG_ADDR(r13, paca)
+ ld r13,0(r13)
+ mulli r0,r24,PACA_SIZE
+ add r13,r13,r0
+ mtspr SPRN_SPRG_PACA,r13 /* Save it away for the future */
+ mfmsr r23
+ ori r23,r23,MSR_RI
+ mtmsrd r23 /* RI on */
+
HMT_LOW
#ifdef CONFIG_SMP
lbz r23,PACAPROCSTART(r13) /* Test if this processor
diff --git a/arch/powerpc/platforms/pseries/hotplug-cpu.c b/arch/powerpc/platforms/pseries/hotplug-cpu.c
index d1b124e44d7..a8e1d5d17a2 100644
--- a/arch/powerpc/platforms/pseries/hotplug-cpu.c
+++ b/arch/powerpc/platforms/pseries/hotplug-cpu.c
@@ -122,44 +122,32 @@ static void pseries_mach_cpu_die(void)
if (!get_lppaca()->shared_proc)
get_lppaca()->donate_dedicated_cpu = 1;
- printk(KERN_INFO
- "cpu %u (hwid %u) ceding for offline with hint %d\n",
- cpu, hwcpu, cede_latency_hint);
while (get_preferred_offline_state(cpu) == CPU_STATE_INACTIVE) {
extended_cede_processor(cede_latency_hint);
- printk(KERN_INFO "cpu %u (hwid %u) returned from cede.\n",
- cpu, hwcpu);
- printk(KERN_INFO
- "Decrementer value = %x Timebase value = %llx\n",
- get_dec(), get_tb());
}
- printk(KERN_INFO "cpu %u (hwid %u) got prodded to go online\n",
- cpu, hwcpu);
-
if (!get_lppaca()->shared_proc)
get_lppaca()->donate_dedicated_cpu = 0;
get_lppaca()->idle = 0;
- }
- if (get_preferred_offline_state(cpu) == CPU_STATE_ONLINE) {
- unregister_slb_shadow(hwcpu, __pa(get_slb_shadow()));
+ if (get_preferred_offline_state(cpu) == CPU_STATE_ONLINE) {
+ unregister_slb_shadow(hwcpu, __pa(get_slb_shadow()));
- /*
- * NOTE: Calling start_secondary() here for now to
- * start new context.
- * However, need to do it cleanly by resetting the
- * stack pointer.
- */
- start_secondary();
+ /*
+ * Call to start_secondary_resume() will not return.
+ * Kernel stack will be reset and start_secondary()
+ * will be called to continue the online operation.
+ */
+ start_secondary_resume();
+ }
+ }
- } else if (get_preferred_offline_state(cpu) == CPU_STATE_OFFLINE) {
+ /* Requested state is CPU_STATE_OFFLINE at this point */
+ WARN_ON(get_preferred_offline_state(cpu) != CPU_STATE_OFFLINE);
- set_cpu_current_state(cpu, CPU_STATE_OFFLINE);
- unregister_slb_shadow(hard_smp_processor_id(),
- __pa(get_slb_shadow()));
- rtas_stop_self();
- }
+ set_cpu_current_state(cpu, CPU_STATE_OFFLINE);
+ unregister_slb_shadow(hwcpu, __pa(get_slb_shadow()));
+ rtas_stop_self();
/* Should never get here... */
BUG();
diff --git a/arch/powerpc/platforms/pseries/offline_states.h b/arch/powerpc/platforms/pseries/offline_states.h
index 22574e0d9d9..75a6f480d93 100644
--- a/arch/powerpc/platforms/pseries/offline_states.h
+++ b/arch/powerpc/platforms/pseries/offline_states.h
@@ -9,10 +9,31 @@ enum cpu_state_vals {
CPU_MAX_OFFLINE_STATES
};
+#ifdef CONFIG_HOTPLUG_CPU
extern enum cpu_state_vals get_cpu_current_state(int cpu);
extern void set_cpu_current_state(int cpu, enum cpu_state_vals state);
-extern enum cpu_state_vals get_preferred_offline_state(int cpu);
extern void set_preferred_offline_state(int cpu, enum cpu_state_vals state);
extern void set_default_offline_state(int cpu);
+#else
+static inline enum cpu_state_vals get_cpu_current_state(int cpu)
+{
+ return CPU_STATE_ONLINE;
+}
+
+static inline void set_cpu_current_state(int cpu, enum cpu_state_vals state)
+{
+}
+
+static inline void set_preferred_offline_state(int cpu, enum cpu_state_vals state)
+{
+}
+
+static inline void set_default_offline_state(int cpu)
+{
+}
+#endif
+
+extern enum cpu_state_vals get_preferred_offline_state(int cpu);
extern int start_secondary(void);
+extern void start_secondary_resume(void);
#endif
diff --git a/arch/powerpc/platforms/pseries/plpar_wrappers.h b/arch/powerpc/platforms/pseries/plpar_wrappers.h
index 0603c91538a..a05f8d42785 100644
--- a/arch/powerpc/platforms/pseries/plpar_wrappers.h
+++ b/arch/powerpc/platforms/pseries/plpar_wrappers.h
@@ -259,12 +259,12 @@ static inline long plpar_ipi(unsigned long servernum, unsigned long mfrr)
return plpar_hcall_norets(H_IPI, servernum, mfrr);
}
-static inline long plpar_xirr(unsigned long *xirr_ret)
+static inline long plpar_xirr(unsigned long *xirr_ret, unsigned char cppr)
{
long rc;
unsigned long retbuf[PLPAR_HCALL_BUFSIZE];
- rc = plpar_hcall(H_XIRR, retbuf);
+ rc = plpar_hcall(H_XIRR, retbuf, cppr);
*xirr_ret = retbuf[0];
diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c
index 4ca641042ec..1bcedd8b461 100644
--- a/arch/powerpc/platforms/pseries/xics.c
+++ b/arch/powerpc/platforms/pseries/xics.c
@@ -120,12 +120,12 @@ static inline void direct_qirr_info(int n_cpu, u8 value)
/* LPAR low level accessors */
-static inline unsigned int lpar_xirr_info_get(void)
+static inline unsigned int lpar_xirr_info_get(unsigned char cppr)
{
unsigned long lpar_rc;
unsigned long return_value;
- lpar_rc = plpar_xirr(&return_value);
+ lpar_rc = plpar_xirr(&return_value, cppr);
if (lpar_rc != H_SUCCESS)
panic(" bad return code xirr - rc = %lx\n", lpar_rc);
return (unsigned int)return_value;
@@ -331,7 +331,8 @@ static unsigned int xics_get_irq_direct(void)
static unsigned int xics_get_irq_lpar(void)
{
- unsigned int xirr = lpar_xirr_info_get();
+ struct xics_cppr *os_cppr = &__get_cpu_var(xics_cppr);
+ unsigned int xirr = lpar_xirr_info_get(os_cppr->stack[os_cppr->index]);
unsigned int vec = xics_xirr_vector(xirr);
unsigned int irq;
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-03 07:40:40 +0000