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-rw-r--r--arch/metag/Kconfig4
-rw-r--r--arch/metag/include/asm/Kbuild4
-rw-r--r--arch/metag/include/asm/atomic.h6
-rw-r--r--arch/metag/include/asm/barrier.h21
-rw-r--r--arch/metag/include/asm/bitops.h6
-rw-r--r--arch/metag/include/asm/fixmap.h32
-rw-r--r--arch/metag/include/asm/processor.h2
-rw-r--r--arch/metag/include/asm/smp.h2
-rw-r--r--arch/metag/include/asm/thread_info.h6
-rw-r--r--arch/metag/include/asm/topology.h27
-rw-r--r--arch/metag/include/uapi/asm/Kbuild2
-rw-r--r--arch/metag/include/uapi/asm/resource.h7
-rw-r--r--arch/metag/kernel/dma.c5
-rw-r--r--arch/metag/kernel/ftrace.c5
-rw-r--r--arch/metag/kernel/irq.c22
-rw-r--r--arch/metag/kernel/setup.c4
-rw-r--r--arch/metag/kernel/signal.c48
-rw-r--r--arch/metag/kernel/smp.c15
-rw-r--r--arch/metag/kernel/topology.c1
-rw-r--r--arch/metag/mm/hugetlbpage.c5
-rw-r--r--arch/metag/mm/init.c3
-rw-r--r--arch/metag/mm/numa.c3
22 files changed, 67 insertions, 163 deletions
diff --git a/arch/metag/Kconfig b/arch/metag/Kconfig
index e56abd2c1b4..499b7610eaa 100644
--- a/arch/metag/Kconfig
+++ b/arch/metag/Kconfig
@@ -9,6 +9,7 @@ config METAG
select HAVE_ARCH_TRACEHOOK
select HAVE_C_RECORDMCOUNT
select HAVE_DEBUG_KMEMLEAK
+ select HAVE_DEBUG_STACKOVERFLOW
select HAVE_DYNAMIC_FTRACE
select HAVE_FTRACE_MCOUNT_RECORD
select HAVE_FUNCTION_TRACER
@@ -29,7 +30,6 @@ config METAG
select OF
select OF_EARLY_FLATTREE
select SPARSE_IRQ
- select HAVE_DEBUG_STACKOVERFLOW
config STACKTRACE_SUPPORT
def_bool y
@@ -52,7 +52,7 @@ config GENERIC_HWEIGHT
config GENERIC_CALIBRATE_DELAY
def_bool y
-config NO_IOPORT
+config NO_IOPORT_MAP
def_bool y
source "init/Kconfig"
diff --git a/arch/metag/include/asm/Kbuild b/arch/metag/include/asm/Kbuild
index 84d0c1d6b9b..c29ead89a31 100644
--- a/arch/metag/include/asm/Kbuild
+++ b/arch/metag/include/asm/Kbuild
@@ -13,6 +13,7 @@ generic-y += fb.h
generic-y += fcntl.h
generic-y += futex.h
generic-y += hardirq.h
+generic-y += hash.h
generic-y += hw_irq.h
generic-y += ioctl.h
generic-y += ioctls.h
@@ -23,6 +24,7 @@ generic-y += kmap_types.h
generic-y += kvm_para.h
generic-y += local.h
generic-y += local64.h
+generic-y += mcs_spinlock.h
generic-y += msgbuf.h
generic-y += mutex.h
generic-y += param.h
@@ -30,6 +32,7 @@ generic-y += pci.h
generic-y += percpu.h
generic-y += poll.h
generic-y += posix_types.h
+generic-y += preempt.h
generic-y += scatterlist.h
generic-y += sections.h
generic-y += sembuf.h
@@ -52,4 +55,3 @@ generic-y += unaligned.h
generic-y += user.h
generic-y += vga.h
generic-y += xor.h
-generic-y += preempt.h
diff --git a/arch/metag/include/asm/atomic.h b/arch/metag/include/asm/atomic.h
index 307ecd2bd9a..470e365f04e 100644
--- a/arch/metag/include/asm/atomic.h
+++ b/arch/metag/include/asm/atomic.h
@@ -4,6 +4,7 @@
#include <linux/compiler.h>
#include <linux/types.h>
#include <asm/cmpxchg.h>
+#include <asm/barrier.h>
#if defined(CONFIG_METAG_ATOMICITY_IRQSOFF)
/* The simple UP case. */
@@ -39,11 +40,6 @@
#define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
-#define smp_mb__before_atomic_dec() barrier()
-#define smp_mb__after_atomic_dec() barrier()
-#define smp_mb__before_atomic_inc() barrier()
-#define smp_mb__after_atomic_inc() barrier()
-
#endif
#define atomic_dec_if_positive(v) atomic_sub_if_positive(1, v)
diff --git a/arch/metag/include/asm/barrier.h b/arch/metag/include/asm/barrier.h
index c90bfc6bf64..c7591e80067 100644
--- a/arch/metag/include/asm/barrier.h
+++ b/arch/metag/include/asm/barrier.h
@@ -15,6 +15,7 @@ static inline void wr_fence(void)
volatile int *flushptr = (volatile int *) LINSYSEVENT_WR_FENCE;
barrier();
*flushptr = 0;
+ barrier();
}
#else /* CONFIG_METAG_META21 */
@@ -35,6 +36,7 @@ static inline void wr_fence(void)
*flushptr = 0;
*flushptr = 0;
*flushptr = 0;
+ barrier();
}
#endif /* !CONFIG_METAG_META21 */
@@ -68,6 +70,7 @@ static inline void fence(void)
volatile int *flushptr = (volatile int *) LINSYSEVENT_WR_ATOMIC_UNLOCK;
barrier();
*flushptr = 0;
+ barrier();
}
#define smp_mb() fence()
#define smp_rmb() fence()
@@ -82,4 +85,22 @@ static inline void fence(void)
#define smp_read_barrier_depends() do { } while (0)
#define set_mb(var, value) do { var = value; smp_mb(); } while (0)
+#define smp_store_release(p, v) \
+do { \
+ compiletime_assert_atomic_type(*p); \
+ smp_mb(); \
+ ACCESS_ONCE(*p) = (v); \
+} while (0)
+
+#define smp_load_acquire(p) \
+({ \
+ typeof(*p) ___p1 = ACCESS_ONCE(*p); \
+ compiletime_assert_atomic_type(*p); \
+ smp_mb(); \
+ ___p1; \
+})
+
+#define smp_mb__before_atomic() barrier()
+#define smp_mb__after_atomic() barrier()
+
#endif /* _ASM_METAG_BARRIER_H */
diff --git a/arch/metag/include/asm/bitops.h b/arch/metag/include/asm/bitops.h
index c0d0df0d137..2671134ee74 100644
--- a/arch/metag/include/asm/bitops.h
+++ b/arch/metag/include/asm/bitops.h
@@ -5,12 +5,6 @@
#include <asm/barrier.h>
#include <asm/global_lock.h>
-/*
- * clear_bit() doesn't provide any barrier for the compiler.
- */
-#define smp_mb__before_clear_bit() barrier()
-#define smp_mb__after_clear_bit() barrier()
-
#ifdef CONFIG_SMP
/*
* These functions are the basis of our bit ops.
diff --git a/arch/metag/include/asm/fixmap.h b/arch/metag/include/asm/fixmap.h
index 33312751c92..af621b04173 100644
--- a/arch/metag/include/asm/fixmap.h
+++ b/arch/metag/include/asm/fixmap.h
@@ -51,37 +51,7 @@ enum fixed_addresses {
#define FIXADDR_SIZE (__end_of_fixed_addresses << PAGE_SHIFT)
#define FIXADDR_START ((FIXADDR_TOP - FIXADDR_SIZE) & PMD_MASK)
-#define __fix_to_virt(x) (FIXADDR_TOP - ((x) << PAGE_SHIFT))
-#define __virt_to_fix(x) ((FIXADDR_TOP - ((x)&PAGE_MASK)) >> PAGE_SHIFT)
-
-extern void __this_fixmap_does_not_exist(void);
-/*
- * 'index to address' translation. If anyone tries to use the idx
- * directly without tranlation, we catch the bug with a NULL-deference
- * kernel oops. Illegal ranges of incoming indices are caught too.
- */
-static inline unsigned long fix_to_virt(const unsigned int idx)
-{
- /*
- * this branch gets completely eliminated after inlining,
- * except when someone tries to use fixaddr indices in an
- * illegal way. (such as mixing up address types or using
- * out-of-range indices).
- *
- * If it doesn't get removed, the linker will complain
- * loudly with a reasonably clear error message..
- */
- if (idx >= __end_of_fixed_addresses)
- __this_fixmap_does_not_exist();
-
- return __fix_to_virt(idx);
-}
-
-static inline unsigned long virt_to_fix(const unsigned long vaddr)
-{
- BUG_ON(vaddr >= FIXADDR_TOP || vaddr < FIXADDR_START);
- return __virt_to_fix(vaddr);
-}
+#include <asm-generic/fixmap.h>
#define kmap_get_fixmap_pte(vaddr) \
pte_offset_kernel( \
diff --git a/arch/metag/include/asm/processor.h b/arch/metag/include/asm/processor.h
index f16477d1f57..a8a37477c66 100644
--- a/arch/metag/include/asm/processor.h
+++ b/arch/metag/include/asm/processor.h
@@ -22,6 +22,8 @@
/* Add an extra page of padding at the top of the stack for the guard page. */
#define STACK_TOP (TASK_SIZE - PAGE_SIZE)
#define STACK_TOP_MAX STACK_TOP
+/* Maximum virtual space for stack */
+#define STACK_SIZE_MAX (CONFIG_MAX_STACK_SIZE_MB*1024*1024)
/* This decides where the kernel will search for a free chunk of vm
* space during mmap's.
diff --git a/arch/metag/include/asm/smp.h b/arch/metag/include/asm/smp.h
index e0373f81a11..1d7e770f7a5 100644
--- a/arch/metag/include/asm/smp.h
+++ b/arch/metag/include/asm/smp.h
@@ -7,13 +7,11 @@
enum ipi_msg_type {
IPI_CALL_FUNC,
- IPI_CALL_FUNC_SINGLE,
IPI_RESCHEDULE,
};
extern void arch_send_call_function_single_ipi(int cpu);
extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
-#define arch_send_call_function_ipi_mask arch_send_call_function_ipi_mask
asmlinkage void secondary_start_kernel(void);
diff --git a/arch/metag/include/asm/thread_info.h b/arch/metag/include/asm/thread_info.h
index b19e9c588a1..47711336119 100644
--- a/arch/metag/include/asm/thread_info.h
+++ b/arch/metag/include/asm/thread_info.h
@@ -117,10 +117,8 @@ static inline int kstack_end(void *addr)
#define TIF_SECCOMP 5 /* secure computing */
#define TIF_RESTORE_SIGMASK 6 /* restore signal mask in do_signal() */
#define TIF_NOTIFY_RESUME 7 /* callback before returning to user */
-#define TIF_POLLING_NRFLAG 8 /* true if poll_idle() is polling
- TIF_NEED_RESCHED */
-#define TIF_MEMDIE 9 /* is terminating due to OOM killer */
-#define TIF_SYSCALL_TRACEPOINT 10 /* syscall tracepoint instrumentation */
+#define TIF_MEMDIE 8 /* is terminating due to OOM killer */
+#define TIF_SYSCALL_TRACEPOINT 9 /* syscall tracepoint instrumentation */
#define _TIF_SYSCALL_TRACE (1<<TIF_SYSCALL_TRACE)
diff --git a/arch/metag/include/asm/topology.h b/arch/metag/include/asm/topology.h
index 8e9c0b3b969..e95f874ded1 100644
--- a/arch/metag/include/asm/topology.h
+++ b/arch/metag/include/asm/topology.h
@@ -3,33 +3,6 @@
#ifdef CONFIG_NUMA
-/* sched_domains SD_NODE_INIT for Meta machines */
-#define SD_NODE_INIT (struct sched_domain) { \
- .parent = NULL, \
- .child = NULL, \
- .groups = NULL, \
- .min_interval = 8, \
- .max_interval = 32, \
- .busy_factor = 32, \
- .imbalance_pct = 125, \
- .cache_nice_tries = 2, \
- .busy_idx = 3, \
- .idle_idx = 2, \
- .newidle_idx = 0, \
- .wake_idx = 0, \
- .forkexec_idx = 0, \
- .flags = SD_LOAD_BALANCE \
- | SD_BALANCE_FORK \
- | SD_BALANCE_EXEC \
- | SD_BALANCE_NEWIDLE \
- | SD_SERIALIZE, \
- .last_balance = jiffies, \
- .balance_interval = 1, \
- .nr_balance_failed = 0, \
- .max_newidle_lb_cost = 0, \
- .next_decay_max_lb_cost = jiffies, \
-}
-
#define cpu_to_node(cpu) ((void)(cpu), 0)
#define parent_node(node) ((void)(node), 0)
diff --git a/arch/metag/include/uapi/asm/Kbuild b/arch/metag/include/uapi/asm/Kbuild
index 84e09feb4d5..ab78be2b6eb 100644
--- a/arch/metag/include/uapi/asm/Kbuild
+++ b/arch/metag/include/uapi/asm/Kbuild
@@ -4,11 +4,11 @@ include include/uapi/asm-generic/Kbuild.asm
header-y += byteorder.h
header-y += ech.h
header-y += ptrace.h
-header-y += resource.h
header-y += sigcontext.h
header-y += siginfo.h
header-y += swab.h
header-y += unistd.h
generic-y += mman.h
+generic-y += resource.h
generic-y += setup.h
diff --git a/arch/metag/include/uapi/asm/resource.h b/arch/metag/include/uapi/asm/resource.h
deleted file mode 100644
index 526d23cc305..00000000000
--- a/arch/metag/include/uapi/asm/resource.h
+++ /dev/null
@@ -1,7 +0,0 @@
-#ifndef _UAPI_METAG_RESOURCE_H
-#define _UAPI_METAG_RESOURCE_H
-
-#define _STK_LIM_MAX (1 << 28)
-#include <asm-generic/resource.h>
-
-#endif /* _UAPI_METAG_RESOURCE_H */
diff --git a/arch/metag/kernel/dma.c b/arch/metag/kernel/dma.c
index db589ad5dbc..c700d625067 100644
--- a/arch/metag/kernel/dma.c
+++ b/arch/metag/kernel/dma.c
@@ -399,11 +399,6 @@ static int __init dma_alloc_init(void)
pgd = pgd_offset(&init_mm, CONSISTENT_START);
pud = pud_alloc(&init_mm, pgd, CONSISTENT_START);
pmd = pmd_alloc(&init_mm, pud, CONSISTENT_START);
- if (!pmd) {
- pr_err("%s: no pmd tables\n", __func__);
- ret = -ENOMEM;
- break;
- }
WARN_ON(!pmd_none(*pmd));
pte = pte_alloc_kernel(pmd, CONSISTENT_START);
diff --git a/arch/metag/kernel/ftrace.c b/arch/metag/kernel/ftrace.c
index a774f321643..ed1d685157c 100644
--- a/arch/metag/kernel/ftrace.c
+++ b/arch/metag/kernel/ftrace.c
@@ -117,10 +117,7 @@ int ftrace_make_call(struct dyn_ftrace *rec, unsigned long addr)
}
/* run from kstop_machine */
-int __init ftrace_dyn_arch_init(void *data)
+int __init ftrace_dyn_arch_init(void)
{
- /* The return code is returned via data */
- writel(0, data);
-
return 0;
}
diff --git a/arch/metag/kernel/irq.c b/arch/metag/kernel/irq.c
index 3b4b7f6c095..5385dd1216b 100644
--- a/arch/metag/kernel/irq.c
+++ b/arch/metag/kernel/irq.c
@@ -261,18 +261,6 @@ int __init arch_probe_nr_irqs(void)
}
#ifdef CONFIG_HOTPLUG_CPU
-static void route_irq(struct irq_data *data, unsigned int irq, unsigned int cpu)
-{
- struct irq_desc *desc = irq_to_desc(irq);
- struct irq_chip *chip = irq_data_get_irq_chip(data);
- unsigned long flags;
-
- raw_spin_lock_irqsave(&desc->lock, flags);
- if (chip->irq_set_affinity)
- chip->irq_set_affinity(data, cpumask_of(cpu), false);
- raw_spin_unlock_irqrestore(&desc->lock, flags);
-}
-
/*
* The CPU has been marked offline. Migrate IRQs off this CPU. If
* the affinity settings do not allow other CPUs, force them onto any
@@ -281,10 +269,9 @@ static void route_irq(struct irq_data *data, unsigned int irq, unsigned int cpu)
void migrate_irqs(void)
{
unsigned int i, cpu = smp_processor_id();
- struct irq_desc *desc;
- for_each_irq_desc(i, desc) {
- struct irq_data *data = irq_desc_get_irq_data(desc);
+ for_each_active_irq(i) {
+ struct irq_data *data = irq_get_irq_data(i);
unsigned int newcpu;
if (irqd_is_per_cpu(data))
@@ -300,11 +287,8 @@ void migrate_irqs(void)
i, cpu);
cpumask_setall(data->affinity);
- newcpu = cpumask_any_and(data->affinity,
- cpu_online_mask);
}
-
- route_irq(data, i, newcpu);
+ irq_set_affinity(i, data->affinity);
}
}
#endif /* CONFIG_HOTPLUG_CPU */
diff --git a/arch/metag/kernel/setup.c b/arch/metag/kernel/setup.c
index 129c7cdda1c..31cf53d0eba 100644
--- a/arch/metag/kernel/setup.c
+++ b/arch/metag/kernel/setup.c
@@ -105,10 +105,6 @@
extern char _heap_start[];
-#ifdef CONFIG_METAG_BUILTIN_DTB
-extern u32 __dtb_start[];
-#endif
-
#ifdef CONFIG_DA_CONSOLE
/* Our early channel based console driver */
extern struct console dash_console;
diff --git a/arch/metag/kernel/signal.c b/arch/metag/kernel/signal.c
index 3be61cf0b14..b9e4a82d2bd 100644
--- a/arch/metag/kernel/signal.c
+++ b/arch/metag/kernel/signal.c
@@ -152,18 +152,18 @@ static void __user *get_sigframe(struct k_sigaction *ka, unsigned long sp,
return (void __user *)sp;
}
-static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
- sigset_t *set, struct pt_regs *regs)
+static int setup_rt_frame(struct ksignal *ksig, sigset_t *set,
+ struct pt_regs *regs)
{
struct rt_sigframe __user *frame;
- int err = -EFAULT;
+ int err;
unsigned long code;
- frame = get_sigframe(ka, regs->REG_SP, sizeof(*frame));
+ frame = get_sigframe(&ksig->ka, regs->REG_SP, sizeof(*frame));
if (!access_ok(VERIFY_WRITE, frame, sizeof(*frame)))
- goto out;
+ return -EFAULT;
- err = copy_siginfo_to_user(&frame->info, info);
+ err = copy_siginfo_to_user(&frame->info, &ksig->info);
/* Create the ucontext. */
err |= __put_user(0, &frame->uc.uc_flags);
@@ -174,7 +174,7 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set));
if (err)
- goto out;
+ return -EFAULT;
/* Set up to return from userspace. */
@@ -187,15 +187,15 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
err |= __put_user(code, (unsigned long __user *)(&frame->retcode[1]));
if (err)
- goto out;
+ return -EFAULT;
/* Set up registers for signal handler */
regs->REG_RTP = (unsigned long) frame->retcode;
regs->REG_SP = (unsigned long) frame + sizeof(*frame);
- regs->REG_ARG1 = sig;
+ regs->REG_ARG1 = ksig->sig;
regs->REG_ARG2 = (unsigned long) &frame->info;
regs->REG_ARG3 = (unsigned long) &frame->uc;
- regs->REG_PC = (unsigned long) ka->sa.sa_handler;
+ regs->REG_PC = (unsigned long) ksig->ka.sa.sa_handler;
pr_debug("SIG deliver (%s:%d): sp=%p pc=%08x pr=%08x\n",
current->comm, current->pid, frame, regs->REG_PC,
@@ -205,24 +205,19 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
* effective cache flush - directed rather than 'full flush'.
*/
flush_cache_sigtramp(regs->REG_RTP, sizeof(frame->retcode));
-out:
- if (err) {
- force_sigsegv(sig, current);
- return -EFAULT;
- }
+
return 0;
}
-static void handle_signal(unsigned long sig, siginfo_t *info,
- struct k_sigaction *ka, struct pt_regs *regs)
+static void handle_signal(struct ksignal *ksig, struct pt_regs *regs)
{
sigset_t *oldset = sigmask_to_save();
+ int ret;
/* Set up the stack frame */
- if (setup_rt_frame(sig, ka, info, oldset, regs))
- return;
+ ret = setup_rt_frame(ksig, oldset, regs);
- signal_delivered(sig, info, ka, regs, test_thread_flag(TIF_SINGLESTEP));
+ signal_setup_done(ret, ksig, test_thread_flag(TIF_SINGLESTEP));
}
/*
@@ -235,10 +230,8 @@ static void handle_signal(unsigned long sig, siginfo_t *info,
static int do_signal(struct pt_regs *regs, int syscall)
{
unsigned int retval = 0, continue_addr = 0, restart_addr = 0;
- struct k_sigaction ka;
- siginfo_t info;
- int signr;
int restart = 0;
+ struct ksignal ksig;
/*
* By the end of rt_sigreturn the context describes the point that the
@@ -275,7 +268,8 @@ static int do_signal(struct pt_regs *regs, int syscall)
* Get the signal to deliver. When running under ptrace, at this point
* the debugger may change all our registers ...
*/
- signr = get_signal_to_deliver(&info, &ka, regs, NULL);
+ get_signal(&ksig);
+
/*
* Depending on the signal settings we may need to revert the decision
* to restart the system call. But skip this if a debugger has chosen to
@@ -283,19 +277,19 @@ static int do_signal(struct pt_regs *regs, int syscall)
*/
if (regs->REG_PC != restart_addr)
restart = 0;
- if (signr > 0) {
+ if (ksig.sig > 0) {
if (unlikely(restart)) {
if (retval == -ERESTARTNOHAND
|| retval == -ERESTART_RESTARTBLOCK
|| (retval == -ERESTARTSYS
- && !(ka.sa.sa_flags & SA_RESTART))) {
+ && !(ksig.ka.sa.sa_flags & SA_RESTART))) {
regs->REG_RETVAL = -EINTR;
regs->REG_PC = continue_addr;
}
}
/* Whee! Actually deliver the signal. */
- handle_signal(signr, &info, &ka, regs);
+ handle_signal(&ksig, regs);
return 0;
}
diff --git a/arch/metag/kernel/smp.c b/arch/metag/kernel/smp.c
index 7c011314298..f006d2276f4 100644
--- a/arch/metag/kernel/smp.c
+++ b/arch/metag/kernel/smp.c
@@ -68,7 +68,7 @@ static DECLARE_COMPLETION(cpu_running);
/*
* "thread" is assumed to be a valid Meta hardware thread ID.
*/
-int boot_secondary(unsigned int thread, struct task_struct *idle)
+static int boot_secondary(unsigned int thread, struct task_struct *idle)
{
u32 val;
@@ -491,7 +491,7 @@ void arch_send_call_function_ipi_mask(const struct cpumask *mask)
void arch_send_call_function_single_ipi(int cpu)
{
- send_ipi_message(cpumask_of(cpu), IPI_CALL_FUNC_SINGLE);
+ send_ipi_message(cpumask_of(cpu), IPI_CALL_FUNC);
}
void show_ipi_list(struct seq_file *p)
@@ -517,11 +517,10 @@ static DEFINE_SPINLOCK(stop_lock);
*
* Bit 0 - Inter-processor function call
*/
-static int do_IPI(struct pt_regs *regs)
+static int do_IPI(void)
{
unsigned int cpu = smp_processor_id();
struct ipi_data *ipi = &per_cpu(ipi_data, cpu);
- struct pt_regs *old_regs = set_irq_regs(regs);
unsigned long msgs, nextmsg;
int handled = 0;
@@ -546,10 +545,6 @@ static int do_IPI(struct pt_regs *regs)
generic_smp_call_function_interrupt();
break;
- case IPI_CALL_FUNC_SINGLE:
- generic_smp_call_function_single_interrupt();
- break;
-
default:
pr_crit("CPU%u: Unknown IPI message 0x%lx\n",
cpu, nextmsg);
@@ -557,8 +552,6 @@ static int do_IPI(struct pt_regs *regs)
}
}
- set_irq_regs(old_regs);
-
return handled;
}
@@ -624,7 +617,7 @@ static void kick_raise_softirq(cpumask_t callmap, unsigned int irq)
static TBIRES ipi_handler(TBIRES State, int SigNum, int Triggers,
int Inst, PTBI pTBI, int *handled)
{
- *handled = do_IPI((struct pt_regs *)State.Sig.pCtx);
+ *handled = do_IPI();
return State;
}
diff --git a/arch/metag/kernel/topology.c b/arch/metag/kernel/topology.c
index bec3dec4922..4ba595701f7 100644
--- a/arch/metag/kernel/topology.c
+++ b/arch/metag/kernel/topology.c
@@ -19,6 +19,7 @@
DEFINE_PER_CPU(struct cpuinfo_metag, cpu_data);
cpumask_t cpu_core_map[NR_CPUS];
+EXPORT_SYMBOL(cpu_core_map);
static cpumask_t cpu_coregroup_map(unsigned int cpu)
{
diff --git a/arch/metag/mm/hugetlbpage.c b/arch/metag/mm/hugetlbpage.c
index 042431509b5..3c52fa6d0f8 100644
--- a/arch/metag/mm/hugetlbpage.c
+++ b/arch/metag/mm/hugetlbpage.c
@@ -110,11 +110,6 @@ int pud_huge(pud_t pud)
return 0;
}
-int pmd_huge_support(void)
-{
- return 1;
-}
-
struct page *follow_huge_pmd(struct mm_struct *mm, unsigned long address,
pmd_t *pmd, int write)
{
diff --git a/arch/metag/mm/init.c b/arch/metag/mm/init.c
index 3cd6288f65c..11fa51c8961 100644
--- a/arch/metag/mm/init.c
+++ b/arch/metag/mm/init.c
@@ -204,7 +204,8 @@ static void __init do_init_bootmem(void)
start_pfn = memblock_region_memory_base_pfn(reg);
end_pfn = memblock_region_memory_end_pfn(reg);
memblock_set_node(PFN_PHYS(start_pfn),
- PFN_PHYS(end_pfn - start_pfn), 0);
+ PFN_PHYS(end_pfn - start_pfn),
+ &memblock.memory, 0);
}
/* All of system RAM sits in node 0 for the non-NUMA case */
diff --git a/arch/metag/mm/numa.c b/arch/metag/mm/numa.c
index b172aa45fcf..67b46c29507 100644
--- a/arch/metag/mm/numa.c
+++ b/arch/metag/mm/numa.c
@@ -42,7 +42,8 @@ void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end)
memblock_add(start, end - start);
memblock_set_node(PFN_PHYS(start_pfn),
- PFN_PHYS(end_pfn - start_pfn), nid);
+ PFN_PHYS(end_pfn - start_pfn),
+ &memblock.memory, nid);
/* Node-local pgdat */
pgdat_paddr = memblock_alloc_base(sizeof(struct pglist_data),