diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 177cdaf835644fdf613dbafd203a8e2dcf0e08d3..b122adc8bdbb593b09218c3d334394064de3fd72 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -24,6 +24,7 @@ config MIPS
select GENERIC_IRQ_PROBE
select GENERIC_IRQ_SHOW
select HAVE_ARCH_JUMP_LABEL
+ select IRQ_FORCED_THREADING
menu "Machine selection"
@@ -722,6 +723,7 @@ config CAVIUM_OCTEON_SIMULATOR
select SYS_SUPPORTS_HIGHMEM
select SYS_SUPPORTS_HOTPLUG_CPU
select SYS_HAS_CPU_CAVIUM_OCTEON
+ select HOLES_IN_ZONE
help
The Octeon simulator is software performance model of the Cavium
Octeon Processor. It supports simulating Octeon processors on x86
@@ -744,6 +746,7 @@ config CAVIUM_OCTEON_REFERENCE_BOARD
select ZONE_DMA32
select USB_ARCH_HAS_OHCI
select USB_ARCH_HAS_EHCI
+ select HOLES_IN_ZONE
help
This option supports all of the Octeon reference boards from Cavium
Networks. It builds a kernel that dynamically determines the Octeon
@@ -973,6 +976,9 @@ config ISA_DMA_API
config GENERIC_GPIO
bool
+config HOLES_IN_ZONE
+ bool
+
#
# Endianess selection. Sufficiently obscure so many users don't know what to
# answer,so we try hard to limit the available choices. Also the use of a
diff --git a/arch/mips/alchemy/common/platform.c b/arch/mips/alchemy/common/platform.c
index 3b2c18b14341c22c10af18699bc36b844466ea9a..f72c48d4804c30989e78324639ec516f6d1aea75 100644
--- a/arch/mips/alchemy/common/platform.c
+++ b/arch/mips/alchemy/common/platform.c
@@ -492,7 +492,7 @@ static void __init alchemy_setup_macs(int ctype)
memcpy(au1xxx_eth0_platform_data.mac, ethaddr, 6);
ret = platform_device_register(&au1xxx_eth0_device);
- if (!ret)
+ if (ret)
printk(KERN_INFO "Alchemy: failed to register MAC0\n");
diff --git a/arch/mips/alchemy/common/power.c b/arch/mips/alchemy/common/power.c
index 647e518c90bc4bf239a0f3499822edd58616ec3c..b86324a42601105f7b540d25c3b89c1245b69b5e 100644
--- a/arch/mips/alchemy/common/power.c
+++ b/arch/mips/alchemy/common/power.c
@@ -158,15 +158,21 @@ static void restore_core_regs(void)
void au_sleep(void)
{
- int cpuid = alchemy_get_cputype();
- if (cpuid != ALCHEMY_CPU_UNKNOWN) {
- save_core_regs();
- if (cpuid <= ALCHEMY_CPU_AU1500)
- alchemy_sleep_au1000();
- else if (cpuid <= ALCHEMY_CPU_AU1200)
- alchemy_sleep_au1550();
- restore_core_regs();
+ save_core_regs();
+
+ switch (alchemy_get_cputype()) {
+ case ALCHEMY_CPU_AU1000:
+ case ALCHEMY_CPU_AU1500:
+ case ALCHEMY_CPU_AU1100:
+ alchemy_sleep_au1000();
+ break;
+ case ALCHEMY_CPU_AU1550:
+ case ALCHEMY_CPU_AU1200:
+ alchemy_sleep_au1550();
+ break;
}
+
+ restore_core_regs();
}
#endif /* CONFIG_PM */
diff --git a/arch/mips/alchemy/devboards/bcsr.c b/arch/mips/alchemy/devboards/bcsr.c
index 596ad00e7f05f7bd0c6dc41b663ed2694fdc263d..463d2c4d9441f9592ce6abf85d27b1e8c38694af 100644
--- a/arch/mips/alchemy/devboards/bcsr.c
+++ b/arch/mips/alchemy/devboards/bcsr.c
@@ -89,8 +89,12 @@ static void bcsr_csc_handler(unsigned int irq, struct irq_desc *d)
{
unsigned short bisr = __raw_readw(bcsr_virt + BCSR_REG_INTSTAT);
+ disable_irq_nosync(irq);
+
for ( ; bisr; bisr &= bisr - 1)
generic_handle_irq(bcsr_csc_base + __ffs(bisr));
+
+ enable_irq(irq);
}
/* NOTE: both the enable and mask bits must be cleared, otherwise the
diff --git a/arch/mips/alchemy/devboards/db1200/setup.c b/arch/mips/alchemy/devboards/db1200/setup.c
index 1dac4f27d33452e7c572b06f4000bd6a44de232b..4a8980027ecf83538229e71ea67fe3c27c2a4517 100644
--- a/arch/mips/alchemy/devboards/db1200/setup.c
+++ b/arch/mips/alchemy/devboards/db1200/setup.c
@@ -23,13 +23,6 @@ void __init board_setup(void)
unsigned long freq0, clksrc, div, pfc;
unsigned short whoami;
- /* Set Config[OD] (disable overlapping bus transaction):
- * This gets rid of a _lot_ of spurious interrupts (especially
- * wrt. IDE); but incurs ~10% performance hit in some
- * cpu-bound applications.
- */
- set_c0_config(1 << 19);
-
bcsr_init(DB1200_BCSR_PHYS_ADDR,
DB1200_BCSR_PHYS_ADDR + DB1200_BCSR_HEXLED_OFS);
diff --git a/arch/mips/ar7/irq.c b/arch/mips/ar7/irq.c
index 03db3daadbd8f95524783ae7c802e9524e9fb346..88c4babfdb5d491dd151906f20d3c5df068f946c 100644
--- a/arch/mips/ar7/irq.c
+++ b/arch/mips/ar7/irq.c
@@ -98,7 +98,8 @@ static struct irq_chip ar7_sec_irq_type = {
static struct irqaction ar7_cascade_action = {
.handler = no_action,
- .name = "AR7 cascade interrupt"
+ .name = "AR7 cascade interrupt",
+ .flags = IRQF_NO_THREAD,
};
static void __init ar7_irq_init(int base)
diff --git a/arch/mips/bcm63xx/irq.c b/arch/mips/bcm63xx/irq.c
index cea6021cb8d7a3172976bd1a8c7b378b41331c93..162e11b4ed755f7e227d4cfc485d40170716abdf 100644
--- a/arch/mips/bcm63xx/irq.c
+++ b/arch/mips/bcm63xx/irq.c
@@ -222,6 +222,7 @@ static struct irq_chip bcm63xx_external_irq_chip = {
static struct irqaction cpu_ip2_cascade_action = {
.handler = no_action,
.name = "cascade_ip2",
+ .flags = IRQF_NO_THREAD,
};
void __init arch_init_irq(void)
diff --git a/arch/mips/cobalt/irq.c b/arch/mips/cobalt/irq.c
index cb9bf820fe53b4640a7b72264be61deacf998fa7..965c777d356132df575aa6f42534a58b17443415 100644
--- a/arch/mips/cobalt/irq.c
+++ b/arch/mips/cobalt/irq.c
@@ -48,6 +48,7 @@ asmlinkage void plat_irq_dispatch(void)
static struct irqaction cascade = {
.handler = no_action,
.name = "cascade",
+ .flags = IRQF_NO_THREAD,
};
void __init arch_init_irq(void)
diff --git a/arch/mips/dec/setup.c b/arch/mips/dec/setup.c
index fa45e924be05b9e40cf9d23b5a6a866034dfb8f3..f7b7ba6d5c45f589951f301bca6f29bc1e8bacba 100644
--- a/arch/mips/dec/setup.c
+++ b/arch/mips/dec/setup.c
@@ -101,20 +101,24 @@ int cpu_fpu_mask = DEC_CPU_IRQ_MASK(DEC_CPU_INR_FPU);
static struct irqaction ioirq = {
.handler = no_action,
.name = "cascade",
+ .flags = IRQF_NO_THREAD,
};
static struct irqaction fpuirq = {
.handler = no_action,
.name = "fpu",
+ .flags = IRQF_NO_THREAD,
};
static struct irqaction busirq = {
.flags = IRQF_DISABLED,
.name = "bus error",
+ .flags = IRQF_NO_THREAD,
};
static struct irqaction haltirq = {
.handler = dec_intr_halt,
.name = "halt",
+ .flags = IRQF_NO_THREAD,
};
diff --git a/arch/mips/emma/markeins/irq.c b/arch/mips/emma/markeins/irq.c
index 3dbd7a5a6ad33f5ab8335c0c45d84f235adb9d01..7798887a1288a7fc529e29d536287536a6dd628b 100644
--- a/arch/mips/emma/markeins/irq.c
+++ b/arch/mips/emma/markeins/irq.c
@@ -169,7 +169,7 @@ void emma2rh_gpio_irq_init(void)
static struct irqaction irq_cascade = {
.handler = no_action,
- .flags = 0,
+ .flags = IRQF_NO_THREAD,
.name = "cascade",
.dev_id = NULL,
.next = NULL,
diff --git a/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h b/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h
index 0d5a42b5f47abb4091d3257270b72f80ed1fe3ce..a58addb98cfd7f9b3d94d1f5bd165675f2ea3232 100644
--- a/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h
+++ b/arch/mips/include/asm/mach-cavium-octeon/cpu-feature-overrides.h
@@ -54,7 +54,6 @@
#define cpu_has_mips_r2_exec_hazard 0
#define cpu_has_dsp 0
#define cpu_has_mipsmt 0
-#define cpu_has_userlocal 0
#define cpu_has_vint 0
#define cpu_has_veic 0
#define cpu_hwrena_impl_bits 0xc0000000
diff --git a/arch/mips/include/asm/mach-powertv/dma-coherence.h b/arch/mips/include/asm/mach-powertv/dma-coherence.h
index 62c094085947db735ba4e2390094db048d1fee3b..35371641575d3b86c85ac913095b0e6d06f8775d 100644
--- a/arch/mips/include/asm/mach-powertv/dma-coherence.h
+++ b/arch/mips/include/asm/mach-powertv/dma-coherence.h
@@ -13,7 +13,6 @@
#define __ASM_MACH_POWERTV_DMA_COHERENCE_H
#include <linux/sched.h>
-#include <linux/version.h>
#include <linux/device.h>
#include <asm/mach-powertv/asic.h>
diff --git a/arch/mips/include/asm/stackframe.h b/arch/mips/include/asm/stackframe.h
index b4ba2449444b33101c33d4e9d7fd17b968db8466..cb41af5f3406cbddc91e23633463fe6a3b65e769 100644
--- a/arch/mips/include/asm/stackframe.h
+++ b/arch/mips/include/asm/stackframe.h
@@ -195,9 +195,9 @@
* to cover the pipeline delay.
*/
.set mips32
- mfc0 v1, CP0_TCSTATUS
+ mfc0 k0, CP0_TCSTATUS
.set mips0
- LONG_S v1, PT_TCSTATUS(sp)
+ LONG_S k0, PT_TCSTATUS(sp)
#endif /* CONFIG_MIPS_MT_SMTC */
LONG_S $4, PT_R4(sp)
LONG_S $5, PT_R5(sp)
diff --git a/arch/mips/jz4740/gpio.c b/arch/mips/jz4740/gpio.c
index 73031f7fc827e70c42ba99562897874b060605c5..4397972949fa315e6796b828d65778394fd21451 100644
--- a/arch/mips/jz4740/gpio.c
+++ b/arch/mips/jz4740/gpio.c
@@ -18,7 +18,7 @@
#include <linux/init.h>
#include <linux/spinlock.h>
-#include <linux/sysdev.h>
+#include <linux/syscore_ops.h>
#include <linux/io.h>
#include <linux/gpio.h>
#include <linux/delay.h>
@@ -86,7 +86,6 @@ struct jz_gpio_chip {
spinlock_t lock;
struct gpio_chip gpio_chip;
- struct sys_device sysdev;
};
static struct jz_gpio_chip jz4740_gpio_chips[];
@@ -459,49 +458,47 @@ static struct jz_gpio_chip jz4740_gpio_chips[] = {
JZ4740_GPIO_CHIP(D),
};
-static inline struct jz_gpio_chip *sysdev_to_chip(struct sys_device *dev)
+static void jz4740_gpio_suspend_chip(struct jz_gpio_chip *chip)
{
- return container_of(dev, struct jz_gpio_chip, sysdev);
+ chip->suspend_mask = readl(chip->base + JZ_REG_GPIO_MASK);
+ writel(~(chip->wakeup), chip->base + JZ_REG_GPIO_MASK_SET);
+ writel(chip->wakeup, chip->base + JZ_REG_GPIO_MASK_CLEAR);
}
-static int jz4740_gpio_suspend(struct sys_device *dev, pm_message_t state)
+static int jz4740_gpio_suspend(void)
{
- struct jz_gpio_chip *chip = sysdev_to_chip(dev);
+ int i;
- chip->suspend_mask = readl(chip->base + JZ_REG_GPIO_MASK);
- writel(~(chip->wakeup), chip->base + JZ_REG_GPIO_MASK_SET);
- writel(chip->wakeup, chip->base + JZ_REG_GPIO_MASK_CLEAR);
+ for (i = 0; i < ARRAY_SIZE(jz4740_gpio_chips); i++)
+ jz4740_gpio_suspend_chip(&jz4740_gpio_chips[i]);
return 0;
}
-static int jz4740_gpio_resume(struct sys_device *dev)
+static void jz4740_gpio_resume_chip(struct jz_gpio_chip *chip)
{
- struct jz_gpio_chip *chip = sysdev_to_chip(dev);
uint32_t mask = chip->suspend_mask;
writel(~mask, chip->base + JZ_REG_GPIO_MASK_CLEAR);
writel(mask, chip->base + JZ_REG_GPIO_MASK_SET);
+}
- return 0;
+static void jz4740_gpio_resume(void)
+{
+ int i;
+
+ for (i = ARRAY_SIZE(jz4740_gpio_chips) - 1; i >= 0 ; i--)
+ jz4740_gpio_resume_chip(&jz4740_gpio_chips[i]);
}
-static struct sysdev_class jz4740_gpio_sysdev_class = {
- .name = "gpio",
+static struct syscore_ops jz4740_gpio_syscore_ops = {
.suspend = jz4740_gpio_suspend,
.resume = jz4740_gpio_resume,
};
-static int jz4740_gpio_chip_init(struct jz_gpio_chip *chip, unsigned int id)
+static void jz4740_gpio_chip_init(struct jz_gpio_chip *chip, unsigned int id)
{
- int ret, irq;
-
- chip->sysdev.id = id;
- chip->sysdev.cls = &jz4740_gpio_sysdev_class;
- ret = sysdev_register(&chip->sysdev);
-
- if (ret)
- return ret;
+ int irq;
spin_lock_init(&chip->lock);
@@ -519,22 +516,17 @@ static int jz4740_gpio_chip_init(struct jz_gpio_chip *chip, unsigned int id)
irq_set_chip_and_handler(irq, &jz_gpio_irq_chip,
handle_level_irq);
}
-
- return 0;
}
static int __init jz4740_gpio_init(void)
{
unsigned int i;
- int ret;
-
- ret = sysdev_class_register(&jz4740_gpio_sysdev_class);
- if (ret)
- return ret;
for (i = 0; i < ARRAY_SIZE(jz4740_gpio_chips); ++i)
jz4740_gpio_chip_init(&jz4740_gpio_chips[i], i);
+ register_syscore_ops(&jz4740_gpio_syscore_ops);
+
printk(KERN_INFO "JZ4740 GPIO initialized\n");
return 0;
diff --git a/arch/mips/kernel/ftrace.c b/arch/mips/kernel/ftrace.c
index feb8021a305f49a4e6f366183e27626316398ed3..6a2d758dd8e9ed0b4a0afb043d2972869620834c 100644
--- a/arch/mips/kernel/ftrace.c
+++ b/arch/mips/kernel/ftrace.c
@@ -19,6 +19,26 @@
#include <asm-generic/sections.h>
+#if defined(KBUILD_MCOUNT_RA_ADDRESS) && defined(CONFIG_32BIT)
+#define MCOUNT_OFFSET_INSNS 5
+#else
+#define MCOUNT_OFFSET_INSNS 4
+#endif
+
+/*
+ * Check if the address is in kernel space
+ *
+ * Clone core_kernel_text() from kernel/extable.c, but doesn't call
+ * init_kernel_text() for Ftrace doesn't trace functions in init sections.
+ */
+static inline int in_kernel_space(unsigned long ip)
+{
+ if (ip >= (unsigned long)_stext &&
+ ip <= (unsigned long)_etext)
+ return 1;
+ return 0;
+}
+
#ifdef CONFIG_DYNAMIC_FTRACE
#define JAL 0x0c000000 /* jump & link: ip --> ra, jump to target */
@@ -54,20 +74,6 @@ static inline void ftrace_dyn_arch_init_insns(void)
#endif
}
-/*
- * Check if the address is in kernel space
- *
- * Clone core_kernel_text() from kernel/extable.c, but doesn't call
- * init_kernel_text() for Ftrace doesn't trace functions in init sections.
- */
-static inline int in_kernel_space(unsigned long ip)
-{
- if (ip >= (unsigned long)_stext &&
- ip <= (unsigned long)_etext)
- return 1;
- return 0;
-}
-
static int ftrace_modify_code(unsigned long ip, unsigned int new_code)
{
int faulted;
@@ -112,11 +118,6 @@ static int ftrace_modify_code(unsigned long ip, unsigned int new_code)
* 1: offset = 4 instructions
*/
-#if defined(KBUILD_MCOUNT_RA_ADDRESS) && defined(CONFIG_32BIT)
-#define MCOUNT_OFFSET_INSNS 5
-#else
-#define MCOUNT_OFFSET_INSNS 4
-#endif
#define INSN_B_1F (0x10000000 | MCOUNT_OFFSET_INSNS)
int ftrace_make_nop(struct module *mod,
diff --git a/arch/mips/kernel/i8259.c b/arch/mips/kernel/i8259.c
index 5c74eb797f08f1f4a6cc24df2d1c9567e5a198ed..32b397b646ee16074c93cf541b72eee85a4aafa4 100644
--- a/arch/mips/kernel/i8259.c
+++ b/arch/mips/kernel/i8259.c
@@ -229,7 +229,7 @@ static void i8259A_shutdown(void)
*/
if (i8259A_auto_eoi >= 0) {
outb(0xff, PIC_MASTER_IMR); /* mask all of 8259A-1 */
- outb(0xff, PIC_SLAVE_IMR); /* mask all of 8259A-1 */
+ outb(0xff, PIC_SLAVE_IMR); /* mask all of 8259A-2 */
}
}
@@ -295,6 +295,7 @@ static void init_8259A(int auto_eoi)
static struct irqaction irq2 = {
.handler = no_action,
.name = "cascade",
+ .flags = IRQF_NO_THREAD,
};
static struct resource pic1_io_resource = {
diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c
index 876a75cc376f7a8602d231c1c11440be8c88d7ae..922a554cd10802336aa5c23ce030dcbf8432c017 100644
--- a/arch/mips/kernel/linux32.c
+++ b/arch/mips/kernel/linux32.c
@@ -349,3 +349,10 @@ SYSCALL_DEFINE6(32_fanotify_mark, int, fanotify_fd, unsigned int, flags,
return sys_fanotify_mark(fanotify_fd, flags, merge_64(a3, a4),
dfd, pathname);
}
+
+SYSCALL_DEFINE6(32_futex, u32 __user *, uaddr, int, op, u32, val,
+ struct compat_timespec __user *, utime, u32 __user *, uaddr2,
+ u32, val3)
+{
+ return compat_sys_futex(uaddr, op, val, utime, uaddr2, val3);
+}
diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
index f9296e894e465f83cccd9195df9baeb5d43dee17..6de1f598346e3bfd527f1d3cad321160aedb3c02 100644
--- a/arch/mips/kernel/scall64-n32.S
+++ b/arch/mips/kernel/scall64-n32.S
@@ -315,7 +315,7 @@ EXPORT(sysn32_call_table)
PTR sys_fremovexattr
PTR sys_tkill
PTR sys_ni_syscall
- PTR compat_sys_futex
+ PTR sys_32_futex
PTR compat_sys_sched_setaffinity /* 6195 */
PTR compat_sys_sched_getaffinity
PTR sys_cacheflush
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index 4d7c9827706f3d8dc821cfb258a12c22a384ddc2..1d813169e453ea3709b0410521b8526638d96a98 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -441,7 +441,7 @@ sys_call_table:
PTR sys_fremovexattr /* 4235 */
PTR sys_tkill
PTR sys_sendfile64
- PTR compat_sys_futex
+ PTR sys_32_futex
PTR compat_sys_sched_setaffinity
PTR compat_sys_sched_getaffinity /* 4240 */
PTR compat_sys_io_setup
diff --git a/arch/mips/kernel/signal.c b/arch/mips/kernel/signal.c
index dbbe0ce48d89a4957a349febda33d0934c97d9af..f8524003676ac99f06d0ebb297206dfab415edce 100644
--- a/arch/mips/kernel/signal.c
+++ b/arch/mips/kernel/signal.c
@@ -8,6 +8,7 @@
* Copyright (C) 1999, 2000 Silicon Graphics, Inc.
*/
#include <linux/cache.h>
+#include <linux/irqflags.h>
#include <linux/sched.h>
#include <linux/mm.h>
#include <linux/personality.h>
@@ -658,6 +659,8 @@ static void do_signal(struct pt_regs *regs)
asmlinkage void do_notify_resume(struct pt_regs *regs, void *unused,
__u32 thread_info_flags)
{
+ local_irq_enable();
+
/* deal with pending signal delivery */
if (thread_info_flags & (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK))
do_signal(regs);
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index b7517e3abc8527721fdffca5ded64a035d33fddb..cbea618af0b4071feacd04e8abb922f9c0556c09 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -14,6 +14,7 @@
#include <linux/bug.h>
#include <linux/compiler.h>
#include <linux/init.h>
+#include <linux/kernel.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/sched.h>
@@ -364,21 +365,26 @@ static int regs_to_trapnr(struct pt_regs *regs)
return (regs->cp0_cause >> 2) & 0x1f;
}
-static DEFINE_SPINLOCK(die_lock);
+static DEFINE_RAW_SPINLOCK(die_lock);
void __noreturn die(const char *str, struct pt_regs *regs)
{
static int die_counter;
int sig = SIGSEGV;
#ifdef CONFIG_MIPS_MT_SMTC
- unsigned long dvpret = dvpe();
+ unsigned long dvpret;
#endif /* CONFIG_MIPS_MT_SMTC */
+ oops_enter();
+
if (notify_die(DIE_OOPS, str, regs, 0, regs_to_trapnr(regs), SIGSEGV) == NOTIFY_STOP)
sig = 0;
console_verbose();
- spin_lock_irq(&die_lock);
+ raw_spin_lock_irq(&die_lock);
+#ifdef CONFIG_MIPS_MT_SMTC
+ dvpret = dvpe();
+#endif /* CONFIG_MIPS_MT_SMTC */
bust_spinlocks(1);
#ifdef CONFIG_MIPS_MT_SMTC
mips_mt_regdump(dvpret);
@@ -387,7 +393,9 @@ void __noreturn die(const char *str, struct pt_regs *regs)
printk("%s[#%d]:\n", str, ++die_counter);
show_registers(regs);
add_taint(TAINT_DIE);
- spin_unlock_irq(&die_lock);
+ raw_spin_unlock_irq(&die_lock);
+
+ oops_exit();
if (in_interrupt())
panic("Fatal exception in interrupt");
diff --git a/arch/mips/kernel/vpe.c b/arch/mips/kernel/vpe.c
index 2cd50ad0d5c66ec04d4034c6bf81b690dd5cb1a8..3efcb065f78a4fcc9a55a842f7574ceb89d43f7a 100644
--- a/arch/mips/kernel/vpe.c
+++ b/arch/mips/kernel/vpe.c
@@ -192,7 +192,7 @@ static struct tc *get_tc(int index)
}
spin_unlock(&vpecontrol.tc_list_lock);
- return NULL;
+ return res;
}
/* allocate a vpe and associate it with this minor (or index) */
diff --git a/arch/mips/lantiq/irq.c b/arch/mips/lantiq/irq.c
index fc89795cafdb6ad1fecb5274b76f74bc8fd85121..f9737bb3c5ab7442b055a6d0d7aa0e7529b37b6d 100644
--- a/arch/mips/lantiq/irq.c
+++ b/arch/mips/lantiq/irq.c
@@ -123,11 +123,10 @@ void ltq_enable_irq(struct irq_data *d)
static unsigned int ltq_startup_eiu_irq(struct irq_data *d)
{
int i;
- int irq_nr = d->irq - INT_NUM_IRQ0;
ltq_enable_irq(d);
for (i = 0; i < MAX_EIU; i++) {
- if (irq_nr == ltq_eiu_irq[i]) {
+ if (d->irq == ltq_eiu_irq[i]) {
/* low level - we should really handle set_type */
ltq_eiu_w32(ltq_eiu_r32(LTQ_EIU_EXIN_C) |
(0x6 << (i * 4)), LTQ_EIU_EXIN_C);
@@ -147,11 +146,10 @@ static unsigned int ltq_startup_eiu_irq(struct irq_data *d)
static void ltq_shutdown_eiu_irq(struct irq_data *d)
{
int i;
- int irq_nr = d->irq - INT_NUM_IRQ0;
ltq_disable_irq(d);
for (i = 0; i < MAX_EIU; i++) {
- if (irq_nr == ltq_eiu_irq[i]) {
+ if (d->irq == ltq_eiu_irq[i]) {
/* disable */
ltq_eiu_w32(ltq_eiu_r32(LTQ_EIU_EXIN_INEN) & ~(1 << i),
LTQ_EIU_EXIN_INEN);
diff --git a/arch/mips/lantiq/xway/ebu.c b/arch/mips/lantiq/xway/ebu.c
index 66eb52fa50a16d3590131ee098b159acf3e63190..033b3184c7a70d180dbed8950c0d7e4e594317dd 100644
--- a/arch/mips/lantiq/xway/ebu.c
+++ b/arch/mips/lantiq/xway/ebu.c
@@ -10,7 +10,6 @@
#include <linux/kernel.h>
#include <linux/module.h>
-#include <linux/version.h>
#include <linux/ioport.h>
#include <lantiq_soc.h>
diff --git a/arch/mips/lantiq/xway/pmu.c b/arch/mips/lantiq/xway/pmu.c
index 9d69f01e352b7f693f3e47aed0de0839480a1337..39f0d2641cbfece73d507aa01b0d5e888e26b272 100644
--- a/arch/mips/lantiq/xway/pmu.c
+++ b/arch/mips/lantiq/xway/pmu.c
@@ -8,7 +8,6 @@
#include <linux/kernel.h>
#include <linux/module.h>
-#include <linux/version.h>
#include <linux/ioport.h>
#include <lantiq_soc.h>
diff --git a/arch/mips/lasat/interrupt.c b/arch/mips/lasat/interrupt.c
index de4c165515d780571712c81e9e641c9a31728c8c..d608b6ef0edd7712aa9d34c5668d2590a8e3a962 100644
--- a/arch/mips/lasat/interrupt.c
+++ b/arch/mips/lasat/interrupt.c
@@ -105,6 +105,7 @@ asmlinkage void plat_irq_dispatch(void)
static struct irqaction cascade = {
.handler = no_action,
.name = "cascade",
+ .flags = IRQF_NO_THREAD,
};
void __init arch_init_irq(void)
diff --git a/arch/mips/loongson/fuloong-2e/irq.c b/arch/mips/loongson/fuloong-2e/irq.c
index d61a04222b87217563543b8fb1ead4241c3ff859..3cf1fef29f0e76cbdff9828b896b21d5c6b568d4 100644
--- a/arch/mips/loongson/fuloong-2e/irq.c
+++ b/arch/mips/loongson/fuloong-2e/irq.c
@@ -42,6 +42,7 @@ asmlinkage void mach_irq_dispatch(unsigned int pending)
static struct irqaction cascade_irqaction = {
.handler = no_action,
.name = "cascade",
+ .flags = IRQF_NO_THREAD,
};
void __init mach_init_irq(void)
diff --git a/arch/mips/loongson/lemote-2f/irq.c b/arch/mips/loongson/lemote-2f/irq.c
index 081db102bb9835d7c15dd4f71db536e5783c40b8..14b081841b6b0d7ed2117917dc2306cfbf46ce0d 100644
--- a/arch/mips/loongson/lemote-2f/irq.c
+++ b/arch/mips/loongson/lemote-2f/irq.c
@@ -96,12 +96,13 @@ static irqreturn_t ip6_action(int cpl, void *dev_id)
struct irqaction ip6_irqaction = {
.handler = ip6_action,
.name = "cascade",
- .flags = IRQF_SHARED,
+ .flags = IRQF_SHARED | IRQF_NO_THREAD,
};
struct irqaction cascade_irqaction = {
.handler = no_action,
.name = "cascade",
+ .flags = IRQF_NO_THREAD,
};
void __init mach_init_irq(void)
diff --git a/arch/mips/mm/mmap.c b/arch/mips/mm/mmap.c
index 9ff5d0fac556569eb53d6dc85e16925f1b04cb62..302d779d5b0d02b1de195ca87b76f4b8f84bfaa3 100644
--- a/arch/mips/mm/mmap.c
+++ b/arch/mips/mm/mmap.c
@@ -6,6 +6,7 @@
* Copyright (C) 2011 Wind River Systems,
* written by Ralf Baechle <ralf@linux-mips.org>
*/
+#include <linux/compiler.h>
#include <linux/errno.h>
#include <linux/mm.h>
#include <linux/mman.h>
@@ -15,12 +16,11 @@
#include <linux/sched.h>
unsigned long shm_align_mask = PAGE_SIZE - 1; /* Sane caches */
-
EXPORT_SYMBOL(shm_align_mask);
/* gap between mmap and stack */
#define MIN_GAP (128*1024*1024UL)
-#define MAX_GAP ((TASK_SIZE)/6*5)
+#define MAX_GAP ((TASK_SIZE)/6*5)
static int mmap_is_legacy(void)
{
@@ -57,13 +57,13 @@ static inline unsigned long COLOUR_ALIGN_DOWN(unsigned long addr,
return base - off;
}
-#define COLOUR_ALIGN(addr,pgoff) \
+#define COLOUR_ALIGN(addr, pgoff) \
((((addr) + shm_align_mask) & ~shm_align_mask) + \
(((pgoff) << PAGE_SHIFT) & shm_align_mask))
enum mmap_allocation_direction {UP, DOWN};
-static unsigned long arch_get_unmapped_area_foo(struct file *filp,
+static unsigned long arch_get_unmapped_area_common(struct file *filp,
unsigned long addr0, unsigned long len, unsigned long pgoff,
unsigned long flags, enum mmap_allocation_direction dir)
{
@@ -103,16 +103,16 @@ static unsigned long arch_get_unmapped_area_foo(struct file *filp,
vma = find_vma(mm, addr);
if (TASK_SIZE - len >= addr &&
- (!vma || addr + len <= vma->vm_start))
+ (!vma || addr + len <= vma->vm_start))
return addr;
}
if (dir == UP) {
addr = mm->mmap_base;
- if (do_color_align)
- addr = COLOUR_ALIGN(addr, pgoff);
- else
- addr = PAGE_ALIGN(addr);
+ if (do_color_align)
+ addr = COLOUR_ALIGN(addr, pgoff);
+ else
+ addr = PAGE_ALIGN(addr);
for (vma = find_vma(current->mm, addr); ; vma = vma->vm_next) {
/* At this point: (!vma || addr < vma->vm_end). */
@@ -131,28 +131,30 @@ static unsigned long arch_get_unmapped_area_foo(struct file *filp,
mm->free_area_cache = mm->mmap_base;
}
- /* either no address requested or can't fit in requested address hole */
+ /*
+ * either no address requested, or the mapping can't fit into
+ * the requested address hole
+ */
addr = mm->free_area_cache;
- if (do_color_align) {
- unsigned long base =
- COLOUR_ALIGN_DOWN(addr - len, pgoff);
-
+ if (do_color_align) {
+ unsigned long base =
+ COLOUR_ALIGN_DOWN(addr - len, pgoff);
addr = base + len;
- }
+ }
/* make sure it can fit in the remaining address space */
if (likely(addr > len)) {
vma = find_vma(mm, addr - len);
if (!vma || addr <= vma->vm_start) {
- /* remember the address as a hint for next time */
- return mm->free_area_cache = addr-len;
+ /* cache the address as a hint for next time */
+ return mm->free_area_cache = addr - len;
}
}
if (unlikely(mm->mmap_base < len))
goto bottomup;
- addr = mm->mmap_base-len;
+ addr = mm->mmap_base - len;
if (do_color_align)
addr = COLOUR_ALIGN_DOWN(addr, pgoff);
@@ -163,8 +165,8 @@ static unsigned long arch_get_unmapped_area_foo(struct file *filp,
* return with success:
*/
vma = find_vma(mm, addr);
- if (likely(!vma || addr+len <= vma->vm_start)) {
- /* remember the address as a hint for next time */
+ if (likely(!vma || addr + len <= vma->vm_start)) {
+ /* cache the address as a hint for next time */
return mm->free_area_cache = addr;
}
@@ -173,7 +175,7 @@ static unsigned long arch_get_unmapped_area_foo(struct file *filp,
mm->cached_hole_size = vma->vm_start - addr;
/* try just below the current vma->vm_start */
- addr = vma->vm_start-len;
+ addr = vma->vm_start - len;
if (do_color_align)
addr = COLOUR_ALIGN_DOWN(addr, pgoff);
} while (likely(len < vma->vm_start));
@@ -201,7 +203,7 @@ bottomup:
unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr0,
unsigned long len, unsigned long pgoff, unsigned long flags)
{
- return arch_get_unmapped_area_foo(filp,
+ return arch_get_unmapped_area_common(filp,
addr0, len, pgoff, flags, UP);
}
@@ -213,7 +215,7 @@ unsigned long arch_get_unmapped_area_topdown(struct file *filp,
unsigned long addr0, unsigned long len, unsigned long pgoff,
unsigned long flags)
{
- return arch_get_unmapped_area_foo(filp,
+ return arch_get_unmapped_area_common(filp,
addr0, len, pgoff, flags, DOWN);
}
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index b6e1cff5066704de206ed92febcb6e8bb7da49b3..e06370f58ef3b5eee07d527ef8d653179dc60c25 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -1759,14 +1759,13 @@ static void __cpuinit build_r3000_tlb_modify_handler(void)
u32 *p = handle_tlbm;
struct uasm_label *l = labels;
struct uasm_reloc *r = relocs;
- struct work_registers wr;
memset(handle_tlbm, 0, sizeof(handle_tlbm));
memset(labels, 0, sizeof(labels));
memset(relocs, 0, sizeof(relocs));
build_r3000_tlbchange_handler_head(&p, K0, K1);
- build_pte_modifiable(&p, &r, wr.r1, wr.r2, wr.r3, label_nopage_tlbm);
+ build_pte_modifiable(&p, &r, K0, K1, -1, label_nopage_tlbm);
uasm_i_nop(&p); /* load delay */
build_make_write(&p, &r, K0, K1);
build_r3000_pte_reload_tlbwi(&p, K0, K1);
@@ -1963,7 +1962,8 @@ static void __cpuinit build_r4000_tlb_load_handler(void)
uasm_i_andi(&p, wr.r3, wr.r3, 2);
uasm_il_beqz(&p, &r, wr.r3, label_tlbl_goaround2);
}
-
+ if (PM_DEFAULT_MASK == 0)
+ uasm_i_nop(&p);
/*
* We clobbered C0_PAGEMASK, restore it. On the other branch
* it is restored in build_huge_tlb_write_entry.
diff --git a/arch/mips/mti-malta/malta-int.c b/arch/mips/mti-malta/malta-int.c
index 1d36c511a7a5951c227800f917dd815449baf064..d53ff91b277c8f358a96058ddffada9901345ba1 100644
--- a/arch/mips/mti-malta/malta-int.c
+++ b/arch/mips/mti-malta/malta-int.c
@@ -350,12 +350,14 @@ unsigned int plat_ipi_resched_int_xlate(unsigned int cpu)
static struct irqaction i8259irq = {
.handler = no_action,
- .name = "XT-PIC cascade"
+ .name = "XT-PIC cascade",
+ .flags = IRQF_NO_THREAD,
};
static struct irqaction corehi_irqaction = {
.handler = no_action,
- .name = "CoreHi"
+ .name = "CoreHi",
+ .flags = IRQF_NO_THREAD,
};
static msc_irqmap_t __initdata msc_irqmap[] = {
diff --git a/arch/mips/netlogic/xlr/Makefile b/arch/mips/netlogic/xlr/Makefile
index 9bd3f731f62eb3b52b305e369c3b5ba1065ed9ae..2dca585dd2f7eb71c002dc0942b1e44cec7af173 100644
--- a/arch/mips/netlogic/xlr/Makefile
+++ b/arch/mips/netlogic/xlr/Makefile
@@ -2,4 +2,4 @@ obj-y += setup.o platform.o irq.o setup.o time.o
obj-$(CONFIG_SMP) += smp.o smpboot.o
obj-$(CONFIG_EARLY_PRINTK) += xlr_console.o
-EXTRA_CFLAGS += -Werror
+ccflags-y += -Werror
diff --git a/arch/mips/pci/pci-lantiq.c b/arch/mips/pci/pci-lantiq.c
index 603d7493e9660308cd63e0343c41911a932b5b9c..8656388b34bd4fac95d7dadf6584d9fe6cdbceb6 100644
--- a/arch/mips/pci/pci-lantiq.c
+++ b/arch/mips/pci/pci-lantiq.c
@@ -171,8 +171,13 @@ static int __devinit ltq_pci_startup(struct ltq_pci_data *conf)
u32 temp_buffer;
/* set clock to 33Mhz */
- ltq_cgu_w32(ltq_cgu_r32(LTQ_CGU_IFCCR) & ~0xf00000, LTQ_CGU_IFCCR);
- ltq_cgu_w32(ltq_cgu_r32(LTQ_CGU_IFCCR) | 0x800000, LTQ_CGU_IFCCR);
+ if (ltq_is_ar9()) {
+ ltq_cgu_w32(ltq_cgu_r32(LTQ_CGU_IFCCR) & ~0x1f00000, LTQ_CGU_IFCCR);
+ ltq_cgu_w32(ltq_cgu_r32(LTQ_CGU_IFCCR) | 0xe00000, LTQ_CGU_IFCCR);
+ } else {
+ ltq_cgu_w32(ltq_cgu_r32(LTQ_CGU_IFCCR) & ~0xf00000, LTQ_CGU_IFCCR);
+ ltq_cgu_w32(ltq_cgu_r32(LTQ_CGU_IFCCR) | 0x800000, LTQ_CGU_IFCCR);
+ }
/* external or internal clock ? */
if (conf->clock) {
diff --git a/arch/mips/pci/pci-rc32434.c b/arch/mips/pci/pci-rc32434.c
index 764362ce5e404119b375f327d0c01111ee559383..5f3a69cebad1d51554052bec403279972d5023ee 100644
--- a/arch/mips/pci/pci-rc32434.c
+++ b/arch/mips/pci/pci-rc32434.c
@@ -215,7 +215,7 @@ static int __init rc32434_pci_init(void)
rc32434_pcibridge_init();
io_map_base = ioremap(rc32434_res_pci_io1.start,
- resource_size(&rcrc32434_res_pci_io1));
+ resource_size(&rc32434_res_pci_io1));
if (!io_map_base)
return -ENOMEM;
diff --git a/arch/mips/pmc-sierra/msp71xx/msp_irq.c b/arch/mips/pmc-sierra/msp71xx/msp_irq.c
index 4531c4a514bc499b2dedfbe9bf497149a39947df..d3c3d81757a538ea13ee3ab56942d1aeea00df3c 100644
--- a/arch/mips/pmc-sierra/msp71xx/msp_irq.c
+++ b/arch/mips/pmc-sierra/msp71xx/msp_irq.c
@@ -108,12 +108,14 @@ asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
static struct irqaction cic_cascade_msp = {
.handler = no_action,
- .name = "MSP CIC cascade"
+ .name = "MSP CIC cascade",
+ .flags = IRQF_NO_THREAD,
};
static struct irqaction per_cascade_msp = {
.handler = no_action,
- .name = "MSP PER cascade"
+ .name = "MSP PER cascade",
+ .flags = IRQF_NO_THREAD,
};
void __init arch_init_irq(void)
diff --git a/arch/mips/pnx8550/common/int.c b/arch/mips/pnx8550/common/int.c
index 6b93c81779c1a6166ca0a5ead00f81b1632badd4..1ebe22bdadc87668c35587687434af376876bafc 100644
--- a/arch/mips/pnx8550/common/int.c
+++ b/arch/mips/pnx8550/common/int.c
@@ -167,7 +167,7 @@ static struct irq_chip level_irq_type = {
static struct irqaction gic_action = {
.handler = no_action,
- .flags = IRQF_DISABLED,
+ .flags = IRQF_DISABLED | IRQF_NO_THREAD,
.name = "GIC",
};
diff --git a/arch/mips/sgi-ip22/ip22-int.c b/arch/mips/sgi-ip22/ip22-int.c
index b4d08e4d2ea949b6818f8bac47d2f7576d516918..f72c336ea27b3b059ca4c6a169e3b1cefce23d47 100644
--- a/arch/mips/sgi-ip22/ip22-int.c
+++ b/arch/mips/sgi-ip22/ip22-int.c
@@ -155,32 +155,32 @@ static void __irq_entry indy_buserror_irq(void)
static struct irqaction local0_cascade = {
.handler = no_action,
- .flags = IRQF_DISABLED,
+ .flags = IRQF_DISABLED | IRQF_NO_THREAD,
.name = "local0 cascade",
};
static struct irqaction local1_cascade = {
.handler = no_action,
- .flags = IRQF_DISABLED,
+ .flags = IRQF_DISABLED | IRQF_NO_THREAD,
.name = "local1 cascade",
};
static struct irqaction buserr = {
.handler = no_action,
- .flags = IRQF_DISABLED,
+ .flags = IRQF_DISABLED | IRQF_NO_THREAD,
.name = "Bus Error",
};
static struct irqaction map0_cascade = {
.handler = no_action,
- .flags = IRQF_DISABLED,
+ .flags = IRQF_DISABLED | IRQF_NO_THREAD,
.name = "mapable0 cascade",
};
#ifdef USE_LIO3_IRQ
static struct irqaction map1_cascade = {
.handler = no_action,
- .flags = IRQF_DISABLED,
+ .flags = IRQF_DISABLED | IRQF_NO_THREAD,
.name = "mapable1 cascade",
};
#define SGI_INTERRUPTS SGINT_END
diff --git a/arch/mips/sni/rm200.c b/arch/mips/sni/rm200.c
index a7e5a6d917b1572c283903729f7f495f3fb334f0..3ab5b5d25b0acca9aeeb2c3306a38af4b8637d89 100644
--- a/arch/mips/sni/rm200.c
+++ b/arch/mips/sni/rm200.c
@@ -359,6 +359,7 @@ void sni_rm200_init_8259A(void)
static struct irqaction sni_rm200_irq2 = {
.handler = no_action,
.name = "cascade",
+ .flags = IRQF_NO_THREAD,
};
static struct resource sni_rm200_pic1_resource = {
diff --git a/arch/mips/vr41xx/common/irq.c b/arch/mips/vr41xx/common/irq.c
index 70a3b85f37576dcc8ac6ad8f68155c79c5ae747b..fad2bef432cdd94ad509fe2d6b45d74ee36d3661 100644
--- a/arch/mips/vr41xx/common/irq.c
+++ b/arch/mips/vr41xx/common/irq.c
@@ -34,6 +34,7 @@ static irq_cascade_t irq_cascade[NR_IRQS] __cacheline_aligned;
static struct irqaction cascade_irqaction = {
.handler = no_action,
.name = "cascade",
+ .flags = IRQF_NO_THREAD,
};
int cascade_irq(unsigned int irq, int (*get_irq)(unsigned int))
diff --git a/drivers/staging/octeon/ethernet-rx.c b/drivers/staging/octeon/ethernet-rx.c
index 1a7c19ae766f3968f4f9bc9b575eb0785e6c70d4..8b307b428791915799f06298ce746b5ce002ecf5 100644
--- a/drivers/staging/octeon/ethernet-rx.c
+++ b/drivers/staging/octeon/ethernet-rx.c
@@ -411,7 +411,8 @@ static int cvm_oct_napi_poll(struct napi_struct *napi, int budget)
skb->protocol = eth_type_trans(skb, dev);
skb->dev = dev;
- if (unlikely(work->word2.s.not_IP || work->word2.s.IP_exc || work->word2.s.L4_error))
+ if (unlikely(work->word2.s.not_IP || work->word2.s.IP_exc ||
+ work->word2.s.L4_error || !work->word2.s.tcp_or_udp))
skb->ip_summed = CHECKSUM_NONE;
else
skb->ip_summed = CHECKSUM_UNNECESSARY;
diff --git a/drivers/tty/serial/lantiq.c b/drivers/tty/serial/lantiq.c
index 58cf279ed87991a9ad6986c515aaad224165d56c..bc95f52cad8b6fa584d720597918c6311cf5ca26 100644
--- a/drivers/tty/serial/lantiq.c
+++ b/drivers/tty/serial/lantiq.c
@@ -478,8 +478,10 @@ lqasc_set_termios(struct uart_port *port,
spin_unlock_irqrestore(<q_asc_lock, flags);
/* Don't rewrite B0 */
- if (tty_termios_baud_rate(new))
+ if (tty_termios_baud_rate(new))
tty_termios_encode_baud_rate(new, baud, baud);
+
+ uart_update_timeout(port, cflag, baud);
}
static const char*