Linux-libre 4.7.1-gnupck-4.7.1-gnu

16 files changed, 70 insertions, 68 deletions

diff --git a/arch/tile/Kconfig b/arch/tile/Kconfig
index 81719302b..4820a0283 100644
--- a/arch/tile/Kconfig
+++ b/arch/tile/Kconfig
@@ -3,47 +3,38 @@
 
 config TILE
 	def_bool y
-	select HAVE_PERF_EVENTS
-	select USE_PMC if PERF_EVENTS
-	select HAVE_DMA_API_DEBUG
-	select HAVE_KVM if !TILEGX
-	select GENERIC_FIND_FIRST_BIT
-	select SYSCTL_EXCEPTION_TRACE
-	select CC_OPTIMIZE_FOR_SIZE
-	select HAVE_DEBUG_KMEMLEAK
-	select GENERIC_IRQ_PROBE
-	select GENERIC_PENDING_IRQ if SMP
-	select GENERIC_IRQ_SHOW
-	select HAVE_DEBUG_BUGVERBOSE
-	select VIRT_TO_BUS
-	select SYS_HYPERVISOR
+	select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
 	select ARCH_HAS_DEBUG_STRICT_USER_COPY_CHECKS
 	select ARCH_HAS_DEVMEM_IS_ALLOWED
 	select ARCH_HAVE_NMI_SAFE_CMPXCHG
-	select GENERIC_CLOCKEVENTS
-	select MODULES_USE_ELF_RELA
-	select HAVE_ARCH_TRACEHOOK
-	select HAVE_SYSCALL_TRACEPOINTS
-	select USER_STACKTRACE_SUPPORT
-	select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
-	select HAVE_DEBUG_STACKOVERFLOW
 	select ARCH_WANT_FRAME_POINTERS
-	select HAVE_CONTEXT_TRACKING
+	select CC_OPTIMIZE_FOR_SIZE
 	select EDAC_SUPPORT
+	select GENERIC_CLOCKEVENTS
+	select GENERIC_FIND_FIRST_BIT
+	select GENERIC_IRQ_PROBE
+	select GENERIC_IRQ_SHOW
+	select GENERIC_PENDING_IRQ if SMP
 	select GENERIC_STRNCPY_FROM_USER
 	select GENERIC_STRNLEN_USER
 	select HAVE_ARCH_SECCOMP_FILTER
-
-# FIXME: investigate whether we need/want these options.
-#	select HAVE_IOREMAP_PROT
-#	select HAVE_OPTPROBES
-#	select HAVE_REGS_AND_STACK_ACCESS_API
-#	select HAVE_HW_BREAKPOINT
-#	select PERF_EVENTS
-#	select HAVE_USER_RETURN_NOTIFIER
-#	config NO_BOOTMEM
-#	config ARCH_SUPPORTS_DEBUG_PAGEALLOC
-#	config HUGETLB_PAGE_SIZE_VARIABLE
+	select HAVE_ARCH_TRACEHOOK
+	select HAVE_CONTEXT_TRACKING
+	select HAVE_DEBUG_BUGVERBOSE
+	select HAVE_DEBUG_KMEMLEAK
+	select HAVE_DEBUG_STACKOVERFLOW
+	select HAVE_DMA_API_DEBUG
+	select HAVE_EXIT_THREAD
+	select HAVE_KVM if !TILEGX
+	select HAVE_NMI if USE_PMC
+	select HAVE_PERF_EVENTS
+	select HAVE_SYSCALL_TRACEPOINTS
+	select MODULES_USE_ELF_RELA
+	select SYSCTL_EXCEPTION_TRACE
+	select SYS_HYPERVISOR
+	select USER_STACKTRACE_SUPPORT
+	select USE_PMC if PERF_EVENTS
+	select VIRT_TO_BUS
 
 config MMU
 	def_bool y
@@ -130,17 +121,17 @@ config HVC_TILE
 # 64-bit TILE-Gx toolchain, so force CONFIG_TILEGX on.
 config TILEGX
 	def_bool ARCH != "tilepro"
-	select SPARSE_IRQ
+	select ARCH_SUPPORTS_ATOMIC_RMW
 	select GENERIC_IRQ_LEGACY_ALLOC_HWIRQ
-	select HAVE_FUNCTION_TRACER
-	select HAVE_FUNCTION_GRAPH_TRACER
+	select HAVE_ARCH_JUMP_LABEL
+	select HAVE_ARCH_KGDB
 	select HAVE_DYNAMIC_FTRACE
 	select HAVE_FTRACE_MCOUNT_RECORD
+	select HAVE_FUNCTION_GRAPH_TRACER
+	select HAVE_FUNCTION_TRACER
 	select HAVE_KPROBES
 	select HAVE_KRETPROBES
-	select HAVE_ARCH_KGDB
-	select ARCH_SUPPORTS_ATOMIC_RMW
-	select HAVE_ARCH_JUMP_LABEL
+	select SPARSE_IRQ
 
 config TILEPRO
 	def_bool !TILEGX
diff --git a/arch/tile/configs/tilegx_defconfig b/arch/tile/configs/tilegx_defconfig
index 3f3dfb8b1..fd122ef45 100644
--- a/arch/tile/configs/tilegx_defconfig
+++ b/arch/tile/configs/tilegx_defconfig
@@ -16,7 +16,6 @@ CONFIG_CGROUP_DEBUG=y
 CONFIG_CGROUP_DEVICE=y
 CONFIG_CPUSETS=y
 CONFIG_CGROUP_CPUACCT=y
-CONFIG_RESOURCE_COUNTERS=y
 CONFIG_CGROUP_SCHED=y
 CONFIG_RT_GROUP_SCHED=y
 CONFIG_BLK_CGROUP=y
@@ -89,7 +88,6 @@ CONFIG_TCP_CONG_YEAH=m
 CONFIG_TCP_CONG_ILLINOIS=m
 CONFIG_TCP_MD5SIG=y
 CONFIG_IPV6=y
-CONFIG_IPV6_PRIVACY=y
 CONFIG_IPV6_ROUTER_PREF=y
 CONFIG_IPV6_ROUTE_INFO=y
 CONFIG_IPV6_OPTIMISTIC_DAD=y
@@ -221,8 +219,7 @@ CONFIG_NETCONSOLE_DYNAMIC=y
 CONFIG_TUN=y
 CONFIG_VETH=m
 CONFIG_NET_DSA_MV88E6060=y
-CONFIG_NET_DSA_MV88E6131=y
-CONFIG_NET_DSA_MV88E6123=y
+CONFIG_NET_DSA_MV88E6XXX=y
 CONFIG_SKY2=y
 CONFIG_PTP_1588_CLOCK_TILEGX=y
 # CONFIG_WLAN is not set
diff --git a/arch/tile/configs/tilepro_defconfig b/arch/tile/configs/tilepro_defconfig
index ef9e27eb2..eb6a55944 100644
--- a/arch/tile/configs/tilepro_defconfig
+++ b/arch/tile/configs/tilepro_defconfig
@@ -15,7 +15,6 @@ CONFIG_CGROUP_DEBUG=y
 CONFIG_CGROUP_DEVICE=y
 CONFIG_CPUSETS=y
 CONFIG_CGROUP_CPUACCT=y
-CONFIG_RESOURCE_COUNTERS=y
 CONFIG_CGROUP_SCHED=y
 CONFIG_RT_GROUP_SCHED=y
 CONFIG_BLK_CGROUP=y
@@ -85,7 +84,6 @@ CONFIG_TCP_CONG_YEAH=m
 CONFIG_TCP_CONG_ILLINOIS=m
 CONFIG_TCP_MD5SIG=y
 CONFIG_IPV6=y
-CONFIG_IPV6_PRIVACY=y
 CONFIG_IPV6_ROUTER_PREF=y
 CONFIG_IPV6_ROUTE_INFO=y
 CONFIG_IPV6_OPTIMISTIC_DAD=y
@@ -340,8 +338,7 @@ CONFIG_NETCONSOLE_DYNAMIC=y
 CONFIG_TUN=y
 CONFIG_VETH=m
 CONFIG_NET_DSA_MV88E6060=y
-CONFIG_NET_DSA_MV88E6131=y
-CONFIG_NET_DSA_MV88E6123=y
+CONFIG_NET_DSA_MV88E6XXX=y
 # CONFIG_NET_VENDOR_3COM is not set
 CONFIG_E1000E=y
 # CONFIG_WLAN is not set
diff --git a/arch/tile/gxio/mpipe.c b/arch/tile/gxio/mpipe.c
index f102048d9..34de300ab 100644
--- a/arch/tile/gxio/mpipe.c
+++ b/arch/tile/gxio/mpipe.c
@@ -122,7 +122,7 @@ size_t gxio_mpipe_calc_buffer_stack_bytes(unsigned long buffers)
 {
 	const int BUFFERS_PER_LINE = 12;
 
-	/* Count the number of cachlines. */
+	/* Count the number of cachelines. */
 	unsigned long lines =
 		(buffers + BUFFERS_PER_LINE - 1) / BUFFERS_PER_LINE;
 
diff --git a/arch/tile/include/asm/atomic_64.h b/arch/tile/include/asm/atomic_64.h
index 51cabc26e..b0531a623 100644
--- a/arch/tile/include/asm/atomic_64.h
+++ b/arch/tile/include/asm/atomic_64.h
@@ -37,12 +37,25 @@ static inline void atomic_add(int i, atomic_t *v)
 	__insn_fetchadd4((void *)&v->counter, i);
 }
 
+/*
+ * Note a subtlety of the locking here.  We are required to provide a
+ * full memory barrier before and after the operation.  However, we
+ * only provide an explicit mb before the operation.  After the
+ * operation, we use barrier() to get a full mb for free, because:
+ *
+ * (1) The barrier directive to the compiler prohibits any instructions
+ * being statically hoisted before the barrier;
+ * (2) the microarchitecture will not issue any further instructions
+ * until the fetchadd result is available for the "+ i" add instruction;
+ * (3) the smb_mb before the fetchadd ensures that no other memory
+ * operations are in flight at this point.
+ */
 static inline int atomic_add_return(int i, atomic_t *v)
 {
 	int val;
 	smp_mb();  /* barrier for proper semantics */
 	val = __insn_fetchadd4((void *)&v->counter, i) + i;
-	barrier();  /* the "+ i" above will wait on memory */
+	barrier();  /* equivalent to smp_mb(); see block comment above */
 	return val;
 }
 
@@ -95,7 +108,7 @@ static inline long atomic64_add_return(long i, atomic64_t *v)
 	int val;
 	smp_mb();  /* barrier for proper semantics */
 	val = __insn_fetchadd((void *)&v->counter, i) + i;
-	barrier();  /* the "+ i" above will wait on memory */
+	barrier();  /* equivalent to smp_mb; see atomic_add_return() */
 	return val;
 }
 
diff --git a/arch/tile/include/asm/pgtable.h b/arch/tile/include/asm/pgtable.h
index 96cecf555..2a26cc4fe 100644
--- a/arch/tile/include/asm/pgtable.h
+++ b/arch/tile/include/asm/pgtable.h
@@ -487,7 +487,6 @@ static inline pmd_t pmd_modify(pmd_t pmd, pgprot_t newprot)
 }
 
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
-#define has_transparent_hugepage() 1
 #define pmd_trans_huge pmd_huge_page
 #endif /* CONFIG_TRANSPARENT_HUGEPAGE */
 
diff --git a/arch/tile/include/asm/thread_info.h b/arch/tile/include/asm/thread_info.h
index 4b7cef9e9..c1467ac59 100644
--- a/arch/tile/include/asm/thread_info.h
+++ b/arch/tile/include/asm/thread_info.h
@@ -78,7 +78,7 @@ struct thread_info {
 
 #ifndef __ASSEMBLY__
 
-void arch_release_thread_info(struct thread_info *info);
+void arch_release_thread_stack(unsigned long *stack);
 
 /* How to get the thread information struct from C. */
 register unsigned long stack_pointer __asm__("sp");
diff --git a/arch/tile/include/uapi/asm/unistd.h b/arch/tile/include/uapi/asm/unistd.h
index 3866397aa..24e9187e8 100644
--- a/arch/tile/include/uapi/asm/unistd.h
+++ b/arch/tile/include/uapi/asm/unistd.h
@@ -12,6 +12,7 @@
  *   more details.
  */
 
+#define __ARCH_WANT_RENAMEAT
 #if !defined(__LP64__) || defined(__SYSCALL_COMPAT)
 /* Use the flavor of this syscall that matches the 32-bit API better. */
 #define __ARCH_WANT_SYNC_FILE_RANGE2
diff --git a/arch/tile/kernel/pci_gx.c b/arch/tile/kernel/pci_gx.c
index aa2b44cd8..0e7a5d09e 100644
--- a/arch/tile/kernel/pci_gx.c
+++ b/arch/tile/kernel/pci_gx.c
@@ -40,7 +40,7 @@
 #include <arch/sim.h>
 
 /*
- * This file containes the routines to search for PCI buses,
+ * This file contains the routines to search for PCI buses,
  * enumerate the buses, and configure any attached devices.
  */
 
@@ -434,7 +434,7 @@ int __init tile_pci_init(void)
 
 	/*
 	 * Now determine which PCIe ports are configured to operate in RC
-	 * mode. There is a differece in the port configuration capability
+	 * mode. There is a difference in the port configuration capability
 	 * between the Gx36 and Gx72 devices.
 	 *
 	 * The Gx36 has configuration capability for each of the 3 PCIe
diff --git a/arch/tile/kernel/perf_event.c b/arch/tile/kernel/perf_event.c
index 8767060d7..6394c1ccb 100644
--- a/arch/tile/kernel/perf_event.c
+++ b/arch/tile/kernel/perf_event.c
@@ -941,7 +941,7 @@ arch_initcall(init_hw_perf_events);
 /*
  * Tile specific backtracing code for perf_events.
  */
-static inline void perf_callchain(struct perf_callchain_entry *entry,
+static inline void perf_callchain(struct perf_callchain_entry_ctx *entry,
 		    struct pt_regs *regs)
 {
 	struct KBacktraceIterator kbt;
@@ -992,13 +992,13 @@ static inline void perf_callchain(struct perf_callchain_entry *entry,
 	}
 }
 
-void perf_callchain_user(struct perf_callchain_entry *entry,
+void perf_callchain_user(struct perf_callchain_entry_ctx *entry,
 		    struct pt_regs *regs)
 {
 	perf_callchain(entry, regs);
 }
 
-void perf_callchain_kernel(struct perf_callchain_entry *entry,
+void perf_callchain_kernel(struct perf_callchain_entry_ctx *entry,
 		      struct pt_regs *regs)
 {
 	perf_callchain(entry, regs);
diff --git a/arch/tile/kernel/process.c b/arch/tile/kernel/process.c
index b5f30d376..a465d8372 100644
--- a/arch/tile/kernel/process.c
+++ b/arch/tile/kernel/process.c
@@ -73,8 +73,9 @@ void arch_cpu_idle(void)
 /*
  * Release a thread_info structure
  */
-void arch_release_thread_info(struct thread_info *info)
+void arch_release_thread_stack(unsigned long *stack)
 {
+	struct thread_info *info = (void *)stack;
 	struct single_step_state *step_state = info->step_state;
 
 	if (step_state) {
@@ -541,7 +542,7 @@ void flush_thread(void)
 /*
  * Free current thread data structures etc..
  */
-void exit_thread(void)
+void exit_thread(struct task_struct *tsk)
 {
 #ifdef CONFIG_HARDWALL
 	/*
@@ -550,7 +551,7 @@ void exit_thread(void)
 	 * the last reference to a hardwall fd, it would already have
 	 * been released and deactivated at this point.)
 	 */
-	hardwall_deactivate_all(current);
+	hardwall_deactivate_all(tsk);
 #endif
 }
 
diff --git a/arch/tile/kernel/setup.c b/arch/tile/kernel/setup.c
index a992238e9..153020abd 100644
--- a/arch/tile/kernel/setup.c
+++ b/arch/tile/kernel/setup.c
@@ -962,9 +962,7 @@ static void __init setup_numa_mapping(void)
 		cpumask_set_cpu(best_cpu, &node_2_cpu_mask[node]);
 		cpu_2_node[best_cpu] = node;
 		cpumask_clear_cpu(best_cpu, &unbound_cpus);
-		node = next_node(node, default_nodes);
-		if (node == MAX_NUMNODES)
-			node = first_node(default_nodes);
+		node = next_node_in(node, default_nodes);
 	}
 
 	/* Print out node assignments and set defaults for disabled cpus */
diff --git a/arch/tile/kernel/unaligned.c b/arch/tile/kernel/unaligned.c
index 0db5f7c9d..9772a3554 100644
--- a/arch/tile/kernel/unaligned.c
+++ b/arch/tile/kernel/unaligned.c
@@ -188,7 +188,7 @@ static void find_regs(tilegx_bundle_bits bundle, uint64_t *rd, uint64_t *ra,
 	 * Parse fault bundle, find potential used registers and mark
 	 * corresponding bits in reg_map and alias_map. These 2 bit maps
 	 * are used to find the scratch registers and determine if there
-	 * is register alais.
+	 * is register alias.
 	 */
 	if (bundle & TILEGX_BUNDLE_MODE_MASK) {  /* Y Mode Bundle. */
 
@@ -1529,7 +1529,7 @@ void do_unaligned(struct pt_regs *regs, int vecnum)
 	}
 
 
-	/* Read the bundle casued the exception! */
+	/* Read the bundle caused the exception! */
 	pc = (tilegx_bundle_bits __user *)(regs->pc);
 	if (get_user(bundle, pc) != 0) {
 		/* Probably never be here since pc is valid user address.*/
diff --git a/arch/tile/mm/hugetlbpage.c b/arch/tile/mm/hugetlbpage.c
index e212c6468..77ceaa343 100644
--- a/arch/tile/mm/hugetlbpage.c
+++ b/arch/tile/mm/hugetlbpage.c
@@ -308,11 +308,16 @@ static bool saw_hugepagesz;
 
 static __init int setup_hugepagesz(char *opt)
 {
+	int rc;
+
 	if (!saw_hugepagesz) {
 		saw_hugepagesz = true;
 		memset(huge_shift, 0, sizeof(huge_shift));
 	}
-	return __setup_hugepagesz(memparse(opt, NULL));
+	rc = __setup_hugepagesz(memparse(opt, NULL));
+	if (rc)
+		hugetlb_bad_size();
+	return rc;
 }
 __setup("hugepagesz=", setup_hugepagesz);
 
diff --git a/arch/tile/mm/init.c b/arch/tile/mm/init.c
index a0582b7f4..adce25462 100644
--- a/arch/tile/mm/init.c
+++ b/arch/tile/mm/init.c
@@ -679,7 +679,7 @@ static void __init init_free_pfn_range(unsigned long start, unsigned long end)
 			 * Hacky direct set to avoid unnecessary
 			 * lock take/release for EVERY page here.
 			 */
-			p->_count.counter = 0;
+			p->_refcount.counter = 0;
 			p->_mapcount.counter = -1;
 		}
 		init_page_count(page);
diff --git a/arch/tile/mm/pgtable.c b/arch/tile/mm/pgtable.c
index 7bf2491a9..c4d5bf841 100644
--- a/arch/tile/mm/pgtable.c
+++ b/arch/tile/mm/pgtable.c
@@ -231,7 +231,7 @@ void pgd_free(struct mm_struct *mm, pgd_t *pgd)
 struct page *pgtable_alloc_one(struct mm_struct *mm, unsigned long address,
 			       int order)
 {
-	gfp_t flags = GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO;
+	gfp_t flags = GFP_KERNEL|__GFP_ZERO;
 	struct page *p;
 	int i;