Merge branch 'next' into for-linus

Prepare first set of updates for 3.10 merge window.

15 files changed, 62 insertions, 159 deletions

diff --git a/arch/frv/Kconfig b/arch/frv/Kconfig
index df2eb4b..2ce731f 100644
--- a/arch/frv/Kconfig
+++ b/arch/frv/Kconfig
@@ -3,17 +3,17 @@ config FRV
 	default y
 	select HAVE_IDE
 	select HAVE_ARCH_TRACEHOOK
-	select HAVE_IRQ_WORK
 	select HAVE_PERF_EVENTS
 	select HAVE_UID16
 	select HAVE_GENERIC_HARDIRQS
+	select VIRT_TO_BUS
 	select GENERIC_IRQ_SHOW
 	select HAVE_DEBUG_BUGVERBOSE
 	select ARCH_HAVE_NMI_SAFE_CMPXCHG
 	select GENERIC_CPU_DEVICES
 	select ARCH_WANT_IPC_PARSE_VERSION
-	select GENERIC_KERNEL_THREAD
-	select GENERIC_KERNEL_EXECVE
+	select OLD_SIGSUSPEND3
+	select OLD_SIGACTION
 
 config ZONE_DMA
 	bool
diff --git a/arch/frv/include/asm/Kbuild b/arch/frv/include/asm/Kbuild
index 4a159da..c5d7670 100644
--- a/arch/frv/include/asm/Kbuild
+++ b/arch/frv/include/asm/Kbuild
@@ -1,3 +1,4 @@
 
 generic-y += clkdev.h
 generic-y += exec.h
+generic-y += trace_clock.h
diff --git a/arch/frv/include/asm/dma-mapping.h b/arch/frv/include/asm/dma-mapping.h
index dfb8110..1746a2b 100644
--- a/arch/frv/include/asm/dma-mapping.h
+++ b/arch/frv/include/asm/dma-mapping.h
@@ -132,4 +132,19 @@ void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
 	flush_write_buffers();
 }
 
+/* Not supported for now */
+static inline int dma_mmap_coherent(struct device *dev,
+				    struct vm_area_struct *vma, void *cpu_addr,
+				    dma_addr_t dma_addr, size_t size)
+{
+	return -EINVAL;
+}
+
+static inline int dma_get_sgtable(struct device *dev, struct sg_table *sgt,
+				  void *cpu_addr, dma_addr_t dma_addr,
+				  size_t size)
+{
+	return -EINVAL;
+}
+
 #endif  /* _ASM_DMA_MAPPING_H */
diff --git a/arch/frv/include/asm/elf.h b/arch/frv/include/asm/elf.h
index 9ccbc80..2bac644 100644
--- a/arch/frv/include/asm/elf.h
+++ b/arch/frv/include/asm/elf.h
@@ -137,7 +137,4 @@ do {											\
 
 #define ELF_PLATFORM  (NULL)
 
-#define SET_PERSONALITY(ex) \
-	set_personality(PER_LINUX | (current->personality & (~PER_MASK)))
-
 #endif
diff --git a/arch/frv/include/asm/signal.h b/arch/frv/include/asm/signal.h
index 599500a..eca0abc 100644
--- a/arch/frv/include/asm/signal.h
+++ b/arch/frv/include/asm/signal.h
@@ -3,11 +3,4 @@
 
 #include <uapi/asm/signal.h>
 
-struct old_sigaction {
-	__sighandler_t sa_handler;
-	old_sigset_t sa_mask;
-	unsigned long sa_flags;
-	__sigrestore_t sa_restorer;
-};
-
 #endif /* _ASM_SIGNAL_H */
diff --git a/arch/frv/include/asm/unistd.h b/arch/frv/include/asm/unistd.h
index 2358634..4cfcc7b 100644
--- a/arch/frv/include/asm/unistd.h
+++ b/arch/frv/include/asm/unistd.h
@@ -27,9 +27,9 @@
 #define __ARCH_WANT_SYS_OLDUMOUNT
 /* #define __ARCH_WANT_SYS_SIGPENDING */
 #define __ARCH_WANT_SYS_SIGPROCMASK
-#define __ARCH_WANT_SYS_RT_SIGACTION
-#define __ARCH_WANT_SYS_RT_SIGSUSPEND
-#define __ARCH_WANT_SYS_EXECVE
+#define __ARCH_WANT_SYS_FORK
+#define __ARCH_WANT_SYS_VFORK
+#define __ARCH_WANT_SYS_CLONE
 
 /*
  * "Conditional" syscalls
diff --git a/arch/frv/include/uapi/asm/socket.h b/arch/frv/include/uapi/asm/socket.h
index a5b1d7d..595391f 100644
--- a/arch/frv/include/uapi/asm/socket.h
+++ b/arch/frv/include/uapi/asm/socket.h
@@ -22,7 +22,7 @@
 #define SO_PRIORITY	12
 #define SO_LINGER	13
 #define SO_BSDCOMPAT	14
-/* To add :#define SO_REUSEPORT 15 */
+#define SO_REUSEPORT	15
 #define SO_PASSCRED	16
 #define SO_PEERCRED	17
 #define SO_RCVLOWAT	18
@@ -40,6 +40,7 @@
 /* Socket filtering */
 #define SO_ATTACH_FILTER        26
 #define SO_DETACH_FILTER        27
+#define SO_GET_FILTER		SO_ATTACH_FILTER
 
 #define SO_PEERNAME             28
 #define SO_TIMESTAMP		29
@@ -69,5 +70,7 @@
 /* Instruct lower device to use last 4-bytes of skb data as FCS */
 #define SO_NOFCS		43
 
+#define SO_LOCK_FILTER		44
+
 #endif /* _ASM_SOCKET_H */
 
diff --git a/arch/frv/kernel/process.c b/arch/frv/kernel/process.c
index 7e33215..23916b2 100644
--- a/arch/frv/kernel/process.c
+++ b/arch/frv/kernel/process.c
@@ -139,42 +139,12 @@ inline unsigned long user_stack(const struct pt_regs *regs)
 	return user_mode(regs) ? regs->sp : 0;
 }
 
-asmlinkage int sys_fork(void)
-{
-#ifndef CONFIG_MMU
-	/* fork almost works, enough to trick you into looking elsewhere:-( */
-	return -EINVAL;
-#else
-	return do_fork(SIGCHLD, user_stack(__frame), __frame, 0, NULL, NULL);
-#endif
-}
-
-asmlinkage int sys_vfork(void)
-{
-	return do_fork(CLONE_VFORK | CLONE_VM | SIGCHLD, user_stack(__frame), __frame, 0,
-		       NULL, NULL);
-}
-
-/*****************************************************************************/
-/*
- * clone a process
- * - tlsptr is retrieved by copy_thread()
- */
-asmlinkage int sys_clone(unsigned long clone_flags, unsigned long newsp,
-			 int __user *parent_tidptr, int __user *child_tidptr,
-			 int __user *tlsptr)
-{
-	if (!newsp)
-		newsp = user_stack(__frame);
-	return do_fork(clone_flags, newsp, __frame, 0, parent_tidptr, child_tidptr);
-} /* end sys_clone() */
-
 /*
  * set up the kernel stack and exception frames for a new process
  */
 int copy_thread(unsigned long clone_flags,
 		unsigned long usp, unsigned long arg,
-		struct task_struct *p, struct pt_regs *regs)
+		struct task_struct *p)
 {
 	struct pt_regs *childregs;
 
@@ -182,9 +152,7 @@ int copy_thread(unsigned long clone_flags,
 		(task_stack_page(p) + THREAD_SIZE - FRV_FRAME0_SIZE);
 
 	/* set up the userspace frame (the only place that the USP is stored) */
-	*childregs = *__kernel_frame0_ptr;
-
-	p->set_child_tid = p->clear_child_tid = NULL;
+	*childregs = *current_pt_regs();
 
 	p->thread.frame	 = childregs;
 	p->thread.curr	 = p;
@@ -193,18 +161,15 @@ int copy_thread(unsigned long clone_flags,
 	p->thread.lr	 = 0;
 	p->thread.frame0 = childregs;
 
-	if (unlikely(!regs)) {
+	if (unlikely(p->flags & PF_KTHREAD)) {
 		childregs->gr9 = usp; /* function */
 		childregs->gr8 = arg;
 		p->thread.pc = (unsigned long) ret_from_kernel_thread;
 		save_user_regs(p->thread.user);
 		return 0;
 	}
-
-	/* set up the userspace frame (the only place that the USP is stored) */
-	*childregs = *regs;
-
-	childregs->sp		= usp;
+	if (usp)
+		childregs->sp = usp;
 	childregs->next_frame	= NULL;
 
 	p->thread.pc = (unsigned long) ret_from_fork;
diff --git a/arch/frv/kernel/setup.c b/arch/frv/kernel/setup.c
index b8993c8..a513647 100644
--- a/arch/frv/kernel/setup.c
+++ b/arch/frv/kernel/setup.c
@@ -804,9 +804,9 @@ void __init setup_arch(char **cmdline_p)
 
 	BUG_ON(memory_start == memory_end);
 
-	init_mm.start_code = (unsigned long) &_stext;
-	init_mm.end_code = (unsigned long) &_etext;
-	init_mm.end_data = (unsigned long) &_edata;
+	init_mm.start_code = (unsigned long) _stext;
+	init_mm.end_code = (unsigned long) _etext;
+	init_mm.end_data = (unsigned long) _edata;
 #if 0 /* DAVIDM - don't set brk just incase someone decides to use it */
 	init_mm.brk = (unsigned long) &_end;
 #else
@@ -814,10 +814,8 @@ void __init setup_arch(char **cmdline_p)
 #endif
 
 #ifdef DEBUG
-	printk("KERNEL -> TEXT=0x%06x-0x%06x DATA=0x%06x-0x%06x BSS=0x%06x-0x%06x\n",
-	       (int) &_stext, (int) &_etext,
-	       (int) &_sdata, (int) &_edata,
-	       (int) &_sbss, (int) &_ebss);
+	printk("KERNEL -> TEXT=0x%p-0x%p DATA=0x%p-0x%p BSS=0x%p-0x%p\n",
+	       _stext, _etext, _sdata, _edata, __bss_start, __bss_stop);
 #endif
 
 #ifdef CONFIG_VT
@@ -854,7 +852,7 @@ void __init setup_arch(char **cmdline_p)
 /*
  *
  */
-static int __devinit setup_arch_serial(void)
+static int setup_arch_serial(void)
 {
 	/* register those serial ports that are available */
 #ifndef CONFIG_GDBSTUB_UART0
diff --git a/arch/frv/kernel/signal.c b/arch/frv/kernel/signal.c
index 535810a..d822700 100644
--- a/arch/frv/kernel/signal.c
+++ b/arch/frv/kernel/signal.c
@@ -33,55 +33,6 @@ struct fdpic_func_descriptor {
 };
 
 /*
- * Atomically swap in the new signal mask, and wait for a signal.
- */
-asmlinkage int sys_sigsuspend(int history0, int history1, old_sigset_t mask)
-{
-	sigset_t blocked;
-	siginitset(&blocked, mask);
-	return sigsuspend(&blocked);
-}
-
-asmlinkage int sys_sigaction(int sig,
-			     const struct old_sigaction __user *act,
-			     struct old_sigaction __user *oact)
-{
-	struct k_sigaction new_ka, old_ka;
-	int ret;
-
-	if (act) {
-		old_sigset_t mask;
-		if (!access_ok(VERIFY_READ, act, sizeof(*act)) ||
-		    __get_user(new_ka.sa.sa_handler, &act->sa_handler) ||
-		    __get_user(new_ka.sa.sa_restorer, &act->sa_restorer) ||
-		    __get_user(new_ka.sa.sa_flags, &act->sa_flags) ||
-		    __get_user(mask, &act->sa_mask))
-			return -EFAULT;
-		siginitset(&new_ka.sa.sa_mask, mask);
-	}
-
-	ret = do_sigaction(sig, act ? &new_ka : NULL, oact ? &old_ka : NULL);
-
-	if (!ret && oact) {
-		if (!access_ok(VERIFY_WRITE, oact, sizeof(*oact)) ||
-		    __put_user(old_ka.sa.sa_handler, &oact->sa_handler) ||
-		    __put_user(old_ka.sa.sa_restorer, &oact->sa_restorer) ||
-		    __put_user(old_ka.sa.sa_flags, &oact->sa_flags) ||
-		    __put_user(old_ka.sa.sa_mask.sig[0], &oact->sa_mask))
-			return -EFAULT;
-	}
-
-	return ret;
-}
-
-asmlinkage
-int sys_sigaltstack(const stack_t __user *uss, stack_t __user *uoss)
-{
-	return do_sigaltstack(uss, uoss, __frame->sp);
-}
-
-
-/*
  * Do a signal return; undo the signal stack.
  */
 
@@ -173,7 +124,7 @@ asmlinkage int sys_rt_sigreturn(void)
 	if (restore_sigcontext(&frame->uc.uc_mcontext, &gr8))
 		goto badframe;
 
-	if (do_sigaltstack(&frame->uc.uc_stack, NULL, __frame->sp) == -EFAULT)
+	if (restore_altstack(&frame->uc.uc_stack))
 		goto badframe;
 
 	return gr8;
@@ -345,9 +296,7 @@ static int setup_rt_frame(int sig, struct k_sigaction *ka, siginfo_t *info,
 	/* Create the ucontext.  */
 	if (__put_user(0, &frame->uc.uc_flags) ||
 	    __put_user(NULL, &frame->uc.uc_link) ||
-	    __put_user((void __user *)current->sas_ss_sp, &frame->uc.uc_stack.ss_sp) ||
-	    __put_user(sas_ss_flags(__frame->sp), &frame->uc.uc_stack.ss_flags) ||
-	    __put_user(current->sas_ss_size, &frame->uc.uc_stack.ss_size))
+	    __save_altstack(&frame->uc.uc_stack, __frame->sp))
 		goto give_sigsegv;
 
 	if (setup_sigcontext(&frame->uc.uc_mcontext, set->sig[0]))
diff --git a/arch/frv/mb93090-mb00/pci-frv.h b/arch/frv/mb93090-mb00/pci-frv.h
index 089eeba..76c4e73 100644
--- a/arch/frv/mb93090-mb00/pci-frv.h
+++ b/arch/frv/mb93090-mb00/pci-frv.h
@@ -31,7 +31,6 @@ void pcibios_resource_survey(void);
 /* pci-vdk.c */
 
 extern int __nongpreldata pcibios_last_bus;
-extern struct pci_bus *__nongpreldata pci_root_bus;
 extern struct pci_ops *__nongpreldata pci_root_ops;
 
 /* pci-irq.c */
diff --git a/arch/frv/mb93090-mb00/pci-vdk.c b/arch/frv/mb93090-mb00/pci-vdk.c
index 71e9bcf..0aa35f0 100644
--- a/arch/frv/mb93090-mb00/pci-vdk.c
+++ b/arch/frv/mb93090-mb00/pci-vdk.c
@@ -26,7 +26,6 @@
 unsigned int __nongpreldata pci_probe = 1;
 
 int  __nongpreldata pcibios_last_bus = -1;
-struct pci_bus *__nongpreldata pci_root_bus;
 struct pci_ops *__nongpreldata pci_root_ops;
 
 /*
@@ -268,7 +267,7 @@ static void __init pci_fixup_umc_ide(struct pci_dev *d)
 		d->resource[i].flags |= PCI_BASE_ADDRESS_SPACE_IO;
 }
 
-static void __devinit pci_fixup_ide_bases(struct pci_dev *d)
+static void pci_fixup_ide_bases(struct pci_dev *d)
 {
 	int i;
 
@@ -287,7 +286,7 @@ static void __devinit pci_fixup_ide_bases(struct pci_dev *d)
 	}
 }
 
-static void __devinit pci_fixup_ide_trash(struct pci_dev *d)
+static void pci_fixup_ide_trash(struct pci_dev *d)
 {
 	int i;
 
@@ -300,7 +299,7 @@ static void __devinit pci_fixup_ide_trash(struct pci_dev *d)
 		d->resource[i].start = d->resource[i].end = d->resource[i].flags = 0;
 }
 
-static void __devinit  pci_fixup_latency(struct pci_dev *d)
+static void pci_fixup_latency(struct pci_dev *d)
 {
 	/*
 	 *  SiS 5597 and 5598 chipsets require latency timer set to
@@ -416,8 +415,7 @@ int __init pcibios_init(void)
 	printk("PCI: Probing PCI hardware\n");
 	pci_add_resource(&resources, &pci_ioport_resource);
 	pci_add_resource(&resources, &pci_iomem_resource);
-	pci_root_bus = pci_scan_root_bus(NULL, 0, pci_root_ops, NULL,
-					 &resources);
+	pci_scan_root_bus(NULL, 0, pci_root_ops, NULL, &resources);
 
 	pcibios_irq_init();
 	pcibios_fixup_peer_bridges();
diff --git a/arch/frv/mm/elf-fdpic.c b/arch/frv/mm/elf-fdpic.c
index 385fd30..836f147 100644
--- a/arch/frv/mm/elf-fdpic.c
+++ b/arch/frv/mm/elf-fdpic.c
@@ -60,7 +60,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
 				     unsigned long pgoff, unsigned long flags)
 {
 	struct vm_area_struct *vma;
-	unsigned long limit;
+	struct vm_unmapped_area_info info;
 
 	if (len > TASK_SIZE)
 		return -ENOMEM;
@@ -79,39 +79,24 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
 	}
 
 	/* search between the bottom of user VM and the stack grow area */
-	addr = PAGE_SIZE;
-	limit = (current->mm->start_stack - 0x00200000);
-	if (addr + len <= limit) {
-		limit -= len;
-
-		if (addr <= limit) {
-			vma = find_vma(current->mm, PAGE_SIZE);
-			for (; vma; vma = vma->vm_next) {
-				if (addr > limit)
-					break;
-				if (addr + len <= vma->vm_start)
-					goto success;
-				addr = vma->vm_end;
-			}
-		}
-	}
+	info.flags = 0;
+	info.length = len;
+	info.low_limit = PAGE_SIZE;
+	info.high_limit = (current->mm->start_stack - 0x00200000);
+	info.align_mask = 0;
+	info.align_offset = 0;
+	addr = vm_unmapped_area(&info);
+	if (!(addr & ~PAGE_MASK))
+		goto success;
+	VM_BUG_ON(addr != -ENOMEM);
 
 	/* search from just above the WorkRAM area to the top of memory */
-	addr = PAGE_ALIGN(0x80000000);
-	limit = TASK_SIZE - len;
-	if (addr <= limit) {
-		vma = find_vma(current->mm, addr);
-		for (; vma; vma = vma->vm_next) {
-			if (addr > limit)
-				break;
-			if (addr + len <= vma->vm_start)
-				goto success;
-			addr = vma->vm_end;
-		}
-
-		if (!vma && addr <= limit)
-			goto success;
-	}
+	info.low_limit = PAGE_ALIGN(0x80000000);
+	info.high_limit = TASK_SIZE;
+	addr = vm_unmapped_area(&info);
+	if (!(addr & ~PAGE_MASK))
+		goto success;
+	VM_BUG_ON(addr != -ENOMEM);
 
 #if 0
 	printk("[area] l=%lx (ENOMEM) f='%s'\n",
diff --git a/arch/frv/mm/init.c b/arch/frv/mm/init.c
index a19effc..92e97b0 100644
--- a/arch/frv/mm/init.c
+++ b/arch/frv/mm/init.c
@@ -146,7 +146,7 @@ void __init mem_init(void)
 
 #else
 	codek = (_etext - _stext) >> 10;
-	datak = 0; //(_ebss - _sdata) >> 10;
+	datak = 0; //(__bss_stop - _sdata) >> 10;
 #endif
 
 	tmp = nr_free_pages() << PAGE_SHIFT;
diff --git a/arch/frv/mm/pgalloc.c b/arch/frv/mm/pgalloc.c
index 4fb63a3..f6084bc 100644
--- a/arch/frv/mm/pgalloc.c
+++ b/arch/frv/mm/pgalloc.c
@@ -77,7 +77,7 @@ void __set_pmd(pmd_t *pmdptr, unsigned long pmd)
  * checks at dup_mmap(), exec(), and other mmlist addition points
  * could be used. The locking scheme was chosen on the basis of
  * manfred's recommendations and having no core impact whatsoever.
- * -- wli
+ * -- nyc
  */
 DEFINE_SPINLOCK(pgd_lock);
 struct page *pgd_list;