Linux-libre 4.7.1-gnupck-4.7.1-gnu

20 files changed, 73 insertions, 49 deletions

diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index b534ebab3..e109ee95e 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -18,6 +18,7 @@ config IA64
 	select ACPI_SYSTEM_POWER_STATES_SUPPORT if ACPI
 	select ARCH_MIGHT_HAVE_ACPI_PDC if ACPI
 	select HAVE_UNSTABLE_SCHED_CLOCK
+	select HAVE_EXIT_THREAD
 	select HAVE_IDE
 	select HAVE_OPROFILE
 	select HAVE_KPROBES
@@ -44,7 +45,7 @@ config IA64
 	select GENERIC_SMP_IDLE_THREAD
 	select ARCH_INIT_TASK
 	select ARCH_TASK_STRUCT_ALLOCATOR
-	select ARCH_THREAD_INFO_ALLOCATOR
+	select ARCH_THREAD_STACK_ALLOCATOR
 	select ARCH_CLOCKSOURCE_DATA
 	select GENERIC_TIME_VSYSCALL_OLD
 	select SYSCTL_ARCH_UNALIGN_NO_WARN
diff --git a/arch/ia64/Makefile b/arch/ia64/Makefile
index 970d0bd99..c100d780f 100644
--- a/arch/ia64/Makefile
+++ b/arch/ia64/Makefile
@@ -95,8 +95,8 @@ define archhelp
   echo '* unwcheck	- Check vmlinux for invalid unwind info'
 endef
 
-archprepare: make_nr_irqs_h FORCE
-PHONY += make_nr_irqs_h FORCE
+archprepare: make_nr_irqs_h
+PHONY += make_nr_irqs_h
 
-make_nr_irqs_h: FORCE
+make_nr_irqs_h:
 	$(Q)$(MAKE) $(build)=arch/ia64/kernel include/generated/nr-irqs.h
diff --git a/arch/ia64/hp/sim/simserial.c b/arch/ia64/hp/sim/simserial.c
index e70cadec7..21fd50def 100644
--- a/arch/ia64/hp/sim/simserial.c
+++ b/arch/ia64/hp/sim/simserial.c
@@ -300,7 +300,7 @@ static int rs_ioctl(struct tty_struct *tty, unsigned int cmd, unsigned long arg)
 	if ((cmd != TIOCGSERIAL) && (cmd != TIOCSSERIAL) &&
 	    (cmd != TIOCSERCONFIG) && (cmd != TIOCSERGSTRUCT) &&
 	    (cmd != TIOCMIWAIT)) {
-		if (tty->flags & (1 << TTY_IO_ERROR))
+		if (tty_io_error(tty))
 		    return -EIO;
 	}
 
diff --git a/arch/ia64/include/asm/iommu.h b/arch/ia64/include/asm/iommu.h
index 105c93b00..1d1212901 100644
--- a/arch/ia64/include/asm/iommu.h
+++ b/arch/ia64/include/asm/iommu.h
@@ -1,7 +1,6 @@
 #ifndef _ASM_IA64_IOMMU_H
 #define _ASM_IA64_IOMMU_H 1
 
-#define cpu_has_x2apic 0
 /* 10 seconds */
 #define DMAR_OPERATION_TIMEOUT (((cycles_t) local_cpu_data->itc_freq)*10)
 
diff --git a/arch/ia64/include/asm/rwsem.h b/arch/ia64/include/asm/rwsem.h
index ce112472b..8b23e070b 100644
--- a/arch/ia64/include/asm/rwsem.h
+++ b/arch/ia64/include/asm/rwsem.h
@@ -49,8 +49,8 @@ __down_read (struct rw_semaphore *sem)
 /*
  * lock for writing
  */
-static inline void
-__down_write (struct rw_semaphore *sem)
+static inline long
+___down_write (struct rw_semaphore *sem)
 {
 	long old, new;
 
@@ -59,10 +59,26 @@ __down_write (struct rw_semaphore *sem)
 		new = old + RWSEM_ACTIVE_WRITE_BIAS;
 	} while (cmpxchg_acq(&sem->count, old, new) != old);
 
-	if (old != 0)
+	return old;
+}
+
+static inline void
+__down_write (struct rw_semaphore *sem)
+{
+	if (___down_write(sem))
 		rwsem_down_write_failed(sem);
 }
 
+static inline int
+__down_write_killable (struct rw_semaphore *sem)
+{
+	if (___down_write(sem))
+		if (IS_ERR(rwsem_down_write_failed_killable(sem)))
+			return -EINTR;
+
+	return 0;
+}
+
 /*
  * unlock after reading
  */
diff --git a/arch/ia64/include/asm/sn/ioc3.h b/arch/ia64/include/asm/sn/ioc3.h
index 95ed6cc83..6eaa3cc1e 100644
--- a/arch/ia64/include/asm/sn/ioc3.h
+++ b/arch/ia64/include/asm/sn/ioc3.h
@@ -131,7 +131,7 @@ struct ioc3 {
 #define SSCR_PAUSE_STATE	0x40000000	/* set when PAUSE takes effect*/
 #define SSCR_RESET		0x80000000	/* reset DMA channels */
 
-/* all producer/comsumer pointers are the same bitfield */
+/* all producer/consumer pointers are the same bitfield */
 #define PROD_CONS_PTR_4K	0x00000ff8	/* for 4K buffers */
 #define PROD_CONS_PTR_1K	0x000003f8	/* for 1K buffers */
 #define PROD_CONS_PTR_OFF	3
diff --git a/arch/ia64/include/asm/sn/shubio.h b/arch/ia64/include/asm/sn/shubio.h
index ecb8a4947..8a1ec139f 100644
--- a/arch/ia64/include/asm/sn/shubio.h
+++ b/arch/ia64/include/asm/sn/shubio.h
@@ -1385,7 +1385,7 @@ typedef union ii_ibcr_u {
  * respones are captured until IXSS[VALID] is cleared by setting the    *
  * appropriate bit in IECLR. Every time a spurious read response is     *
  * detected, the SPUR_RD bit of the PRB corresponding to the incoming   *
- * message's SIDN field is set. This always happens, regarless of       *
+ * message's SIDN field is set. This always happens, regardless of       *
  * whether a header is captured. The programmer should check            *
  * IXSM[SIDN] to determine which widget sent the spurious response,     *
  * because there may be more than one SPUR_RD bit set in the PRB        *
@@ -2997,7 +2997,7 @@ typedef union ii_ippr_u {
 /*
  * Values for field imsgtype
  */
-#define IIO_ICRB_IMSGT_XTALK    0	/* Incoming Meessage from Xtalk */
+#define IIO_ICRB_IMSGT_XTALK    0	/* Incoming message from Xtalk */
 #define IIO_ICRB_IMSGT_BTE      1	/* Incoming message from BTE    */
 #define IIO_ICRB_IMSGT_SN1NET   2	/* Incoming message from SN1 net */
 #define IIO_ICRB_IMSGT_CRB      3	/* Incoming message from CRB ???  */
diff --git a/arch/ia64/include/asm/thread_info.h b/arch/ia64/include/asm/thread_info.h
index aa995b67c..d1212b84f 100644
--- a/arch/ia64/include/asm/thread_info.h
+++ b/arch/ia64/include/asm/thread_info.h
@@ -48,15 +48,15 @@ struct thread_info {
 #ifndef ASM_OFFSETS_C
 /* how to get the thread information struct from C */
 #define current_thread_info()	((struct thread_info *) ((char *) current + IA64_TASK_SIZE))
-#define alloc_thread_info_node(tsk, node)	\
-		((struct thread_info *) ((char *) (tsk) + IA64_TASK_SIZE))
+#define alloc_thread_stack_node(tsk, node)	\
+		((unsigned long *) ((char *) (tsk) + IA64_TASK_SIZE))
 #define task_thread_info(tsk)	((struct thread_info *) ((char *) (tsk) + IA64_TASK_SIZE))
 #else
 #define current_thread_info()	((struct thread_info *) 0)
-#define alloc_thread_info_node(tsk, node)	((struct thread_info *) 0)
+#define alloc_thread_stack_node(tsk, node)	((unsigned long *) 0)
 #define task_thread_info(tsk)	((struct thread_info *) 0)
 #endif
-#define free_thread_info(ti)	/* nothing */
+#define free_thread_stack(ti)	/* nothing */
 #define task_stack_page(tsk)	((void *)(tsk))
 
 #define __HAVE_THREAD_FUNCTIONS
diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c
index 300dac370..3b7a60e40 100644
--- a/arch/ia64/kernel/efi.c
+++ b/arch/ia64/kernel/efi.c
@@ -531,8 +531,6 @@ efi_init (void)
 	       efi.systab->hdr.revision >> 16,
 	       efi.systab->hdr.revision & 0xffff, vendor);
 
-	set_bit(EFI_SYSTEM_TABLES, &efi.flags);
-
 	palo_phys      = EFI_INVALID_TABLE_ADDR;
 
 	if (efi_config_init(arch_tables) != 0)
@@ -966,7 +964,7 @@ efi_uart_console_only(void)
 /*
  * Look for the first granule aligned memory descriptor memory
  * that is big enough to hold EFI memory map. Make sure this
- * descriptor is atleast granule sized so it does not get trimmed
+ * descriptor is at least granule sized so it does not get trimmed
  */
 struct kern_memdesc *
 find_memmap_space (void)
diff --git a/arch/ia64/kernel/init_task.c b/arch/ia64/kernel/init_task.c
index f9efe9739..0eaa89f3d 100644
--- a/arch/ia64/kernel/init_task.c
+++ b/arch/ia64/kernel/init_task.c
@@ -26,6 +26,7 @@ static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
  * handled. This is done by having a special ".data..init_task" section...
  */
 #define init_thread_info	init_task_mem.s.thread_info
+#define init_stack		init_task_mem.stack
 
 union {
 	struct {
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 2889412e0..07a4e32ae 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -1904,13 +1904,10 @@ static int mca_cpu_callback(struct notifier_block *nfb,
 				      unsigned long action,
 				      void *hcpu)
 {
-	int hotcpu = (unsigned long) hcpu;
-
 	switch (action) {
 	case CPU_ONLINE:
 	case CPU_ONLINE_FROZEN:
-		smp_call_function_single(hotcpu, ia64_mca_cmc_vector_adjust,
-					 NULL, 0);
+		ia64_mca_cmc_vector_adjust(NULL);
 		break;
 	}
 	return NOTIFY_OK;
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index 9cd607b06..2436ad5f9 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -4542,8 +4542,8 @@ pfm_context_unload(pfm_context_t *ctx, void *arg, int count, struct pt_regs *reg
 
 
 /*
- * called only from exit_thread(): task == current
- * we come here only if current has a context attached (loaded or masked)
+ * called only from exit_thread()
+ * we come here only if the task has a context attached (loaded or masked)
  */
 void
 pfm_exit_thread(struct task_struct *task)
diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c
index b51514957..aae6c4dc7 100644
--- a/arch/ia64/kernel/process.c
+++ b/arch/ia64/kernel/process.c
@@ -570,22 +570,22 @@ flush_thread (void)
 }
 
 /*
- * Clean up state associated with current thread.  This is called when
+ * Clean up state associated with a thread.  This is called when
  * the thread calls exit().
  */
 void
-exit_thread (void)
+exit_thread (struct task_struct *tsk)
 {
 
-	ia64_drop_fpu(current);
+	ia64_drop_fpu(tsk);
 #ifdef CONFIG_PERFMON
        /* if needed, stop monitoring and flush state to perfmon context */
-	if (current->thread.pfm_context)
-		pfm_exit_thread(current);
+	if (tsk->thread.pfm_context)
+		pfm_exit_thread(tsk);
 
 	/* free debug register resources */
-	if (current->thread.flags & IA64_THREAD_DBG_VALID)
-		pfm_release_debug_registers(current);
+	if (tsk->thread.flags & IA64_THREAD_DBG_VALID)
+		pfm_release_debug_registers(tsk);
 #endif
 }
 
diff --git a/arch/ia64/kernel/traps.c b/arch/ia64/kernel/traps.c
index 6f7d4a4dc..77edd68c5 100644
--- a/arch/ia64/kernel/traps.c
+++ b/arch/ia64/kernel/traps.c
@@ -548,6 +548,7 @@ ia64_fault (unsigned long vector, unsigned long isr, unsigned long ifa,
 			return;
 		}
 		switch (vector) {
+		      default:
 		      case 29:
 			siginfo.si_code = TRAP_HWBKPT;
 #ifdef CONFIG_ITANIUM
diff --git a/arch/ia64/kernel/unaligned.c b/arch/ia64/kernel/unaligned.c
index e7ae60883..7f0d31656 100644
--- a/arch/ia64/kernel/unaligned.c
+++ b/arch/ia64/kernel/unaligned.c
@@ -1378,6 +1378,7 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs)
 	 * extract the instruction from the bundle given the slot number
 	 */
 	switch (ipsr->ri) {
+	      default:
 	      case 0: u.l = (bundle[0] >>  5); break;
 	      case 1: u.l = (bundle[0] >> 46) | (bundle[1] << 18); break;
 	      case 2: u.l = (bundle[1] >> 23); break;
diff --git a/arch/ia64/lib/idiv32.S b/arch/ia64/lib/idiv32.S
index 2ac28bf0a..c91b5b012 100644
--- a/arch/ia64/lib/idiv32.S
+++ b/arch/ia64/lib/idiv32.S
@@ -11,7 +11,7 @@
  *
  * For more details on the theory behind these algorithms, see "IA-64
  * and Elementary Functions" by Peter Markstein; HP Professional Books
- * (http://www.hp.com/go/retailbooks/)
+ * (http://www.goodreads.com/book/show/2019887.Ia_64_and_Elementary_Functions)
  */
 
 #include <asm/asmmacro.h>
diff --git a/arch/ia64/lib/idiv64.S b/arch/ia64/lib/idiv64.S
index f69bd2b09..627573c4c 100644
--- a/arch/ia64/lib/idiv64.S
+++ b/arch/ia64/lib/idiv64.S
@@ -11,7 +11,7 @@
  *
  * For more details on the theory behind these algorithms, see "IA-64
  * and Elementary Functions" by Peter Markstein; HP Professional Books
- * (http://www.hp.com/go/retailbooks/)
+ * (http://www.goodreads.com/book/show/2019887.Ia_64_and_Elementary_Functions)
  */
 
 #include <asm/asmmacro.h>
diff --git a/arch/ia64/sn/kernel/io_acpi_init.c b/arch/ia64/sn/kernel/io_acpi_init.c
index 231234c8d..c31fe637b 100644
--- a/arch/ia64/sn/kernel/io_acpi_init.c
+++ b/arch/ia64/sn/kernel/io_acpi_init.c
@@ -426,7 +426,6 @@ sn_acpi_get_pcidev_info(struct pci_dev *dev, struct pcidev_info **pcidev_info,
 void
 sn_acpi_slot_fixup(struct pci_dev *dev)
 {
-	void __iomem *addr;
 	struct pcidev_info *pcidev_info = NULL;
 	struct sn_irq_info *sn_irq_info = NULL;
 	struct resource *res;
diff --git a/arch/ia64/sn/kernel/io_init.c b/arch/ia64/sn/kernel/io_init.c
index c15a41e2d..d63809a6a 100644
--- a/arch/ia64/sn/kernel/io_init.c
+++ b/arch/ia64/sn/kernel/io_init.c
@@ -151,7 +151,7 @@ sn_io_slot_fixup(struct pci_dev *dev)
 {
 	int idx;
 	struct resource *res;
-	unsigned long addr, size;
+	unsigned long size;
 	struct pcidev_info *pcidev_info;
 	struct sn_irq_info *sn_irq_info;
 	int status;
@@ -186,7 +186,7 @@ sn_io_slot_fixup(struct pci_dev *dev)
 			continue;
 
 		res->start = pcidev_info->pdi_pio_mapped_addr[idx];
-		res->end = addr + size;
+		res->end = res->start + size;
 
 		/*
 		 * if it's already in the device structure, remove it before
diff --git a/arch/ia64/sn/kernel/sn2/sn2_smp.c b/arch/ia64/sn/kernel/sn2/sn2_smp.c
index f9c8d9fc5..c98dc965f 100644
--- a/arch/ia64/sn/kernel/sn2/sn2_smp.c
+++ b/arch/ia64/sn/kernel/sn2/sn2_smp.c
@@ -54,7 +54,7 @@ sn2_ptc_deadlock_recovery_core(volatile unsigned long *, unsigned long,
 			       volatile unsigned long *, unsigned long,
 			       volatile unsigned long *, unsigned long);
 void
-sn2_ptc_deadlock_recovery(short *, short, short, int,
+sn2_ptc_deadlock_recovery(nodemask_t, short, short, int,
 			  volatile unsigned long *, unsigned long,
 			  volatile unsigned long *, unsigned long);
 
@@ -169,7 +169,7 @@ sn2_global_tlb_purge(struct mm_struct *mm, unsigned long start,
 	int use_cpu_ptcga;
 	volatile unsigned long *ptc0, *ptc1;
 	unsigned long itc, itc2, flags, data0 = 0, data1 = 0, rr_value, old_rr = 0;
-	short nasids[MAX_NUMNODES], nix;
+	short nix;
 	nodemask_t nodes_flushed;
 	int active, max_active, deadlock, flush_opt = sn2_flush_opt;
 
@@ -218,9 +218,7 @@ sn2_global_tlb_purge(struct mm_struct *mm, unsigned long start,
 	}
 
 	itc = ia64_get_itc();
-	nix = 0;
-	for_each_node_mask(cnode, nodes_flushed)
-		nasids[nix++] = cnodeid_to_nasid(cnode);
+	nix = nodes_weight(nodes_flushed);
 
 	rr_value = (mm->context << 3) | REGION_NUMBER(start);
 
@@ -270,8 +268,10 @@ sn2_global_tlb_purge(struct mm_struct *mm, unsigned long start,
 			data0 = (data0 & ~SH2_PTC_ADDR_MASK) | (start & SH2_PTC_ADDR_MASK);
 		deadlock = 0;
 		active = 0;
-		for (ibegin = 0, i = 0; i < nix; i++) {
-			nasid = nasids[i];
+		ibegin = 0;
+		i = 0;
+		for_each_node_mask(cnode, nodes_flushed) {
+			nasid = cnodeid_to_nasid(cnode);
 			if (use_cpu_ptcga && unlikely(nasid == mynasid)) {
 				ia64_ptcga(start, nbits << 2);
 				ia64_srlz_i();
@@ -286,13 +286,14 @@ sn2_global_tlb_purge(struct mm_struct *mm, unsigned long start,
 				if ((deadlock = wait_piowc())) {
 					if (flush_opt == 1)
 						goto done;
-					sn2_ptc_deadlock_recovery(nasids, ibegin, i, mynasid, ptc0, data0, ptc1, data1);
+					sn2_ptc_deadlock_recovery(nodes_flushed, ibegin, i, mynasid, ptc0, data0, ptc1, data1);
 					if (reset_max_active_on_deadlock())
 						max_active = 1;
 				}
 				active = 0;
 				ibegin = i + 1;
 			}
+			i++;
 		}
 		start += (1UL << nbits);
 	} while (start < end);
@@ -327,11 +328,12 @@ done:
  */
 
 void
-sn2_ptc_deadlock_recovery(short *nasids, short ib, short ie, int mynasid,
+sn2_ptc_deadlock_recovery(nodemask_t nodes, short ib, short ie, int mynasid,
 			  volatile unsigned long *ptc0, unsigned long data0,
 			  volatile unsigned long *ptc1, unsigned long data1)
 {
 	short nasid, i;
+	int cnode;
 	unsigned long *piows, zeroval, n;
 
 	__this_cpu_inc(ptcstats.deadlocks);
@@ -339,17 +341,26 @@ sn2_ptc_deadlock_recovery(short *nasids, short ib, short ie, int mynasid,
 	piows = (unsigned long *) pda->pio_write_status_addr;
 	zeroval = pda->pio_write_status_val;
 
+	i = 0;
+	for_each_node_mask(cnode, nodes) {
+		if (i < ib)
+			goto next;
+
+		if (i > ie)
+			break;
 
-	for (i=ib; i <= ie; i++) {
-		nasid = nasids[i];
+		nasid = cnodeid_to_nasid(cnode);
 		if (local_node_uses_ptc_ga(is_shub1()) && nasid == mynasid)
-			continue;
+			goto next;
+
 		ptc0 = CHANGE_NASID(nasid, ptc0);
 		if (ptc1)
 			ptc1 = CHANGE_NASID(nasid, ptc1);
 
 		n = sn2_ptc_deadlock_recovery_core(ptc0, data0, ptc1, data1, piows, zeroval);
 		__this_cpu_add(ptcstats.deadlocks2, n);
+next:
+		i++;
 	}
 
 }