Merge pull request #20 from HomuHomu/android-3.0-v2.2

linux-3.0.29　ほか

Makefile

@@ -371,6 +371,8 @@ KBUILD_CFLAGS   := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \
 		   -Wno-format-security \
 		   -fno-delete-null-pointer-checks \
                    -marm -mtune=cortex-a9 -mfpu=neon -march=armv7-a \
+                   -fgraphite-identity -floop-block -ftree-loop-linear \
+                   -floop-strip-mine -ftree-loop-distribution \
                    -fmodulo-sched -fmodulo-sched-allow-regmoves
 KBUILD_AFLAGS_KERNEL :=
 KBUILD_CFLAGS_KERNEL :=

arch/arm/configs/u1_sc02c_aosp_defconfig

@@ -790,18 +790,18 @@ CONFIG_IP_MULTIPLE_TABLES=y
 # CONFIG_IP_ROUTE_MULTIPATH is not set
 # CONFIG_IP_ROUTE_VERBOSE is not set
 # CONFIG_IP_PNP is not set
-CONFIG_NET_IPIP=y
+# CONFIG_NET_IPIP is not set
 # CONFIG_NET_IPGRE_DEMUX is not set
 # CONFIG_IP_MROUTE is not set
 # CONFIG_ARPD is not set
 # CONFIG_SYN_COOKIES is not set
-CONFIG_INET_AH=y
+# CONFIG_INET_AH is not set
 CONFIG_INET_ESP=y
 # CONFIG_INET_IPCOMP is not set
 # CONFIG_INET_XFRM_TUNNEL is not set
 CONFIG_INET_TUNNEL=y
 CONFIG_INET_XFRM_MODE_TRANSPORT=y
-CONFIG_INET_XFRM_MODE_TUNNEL=y
+# CONFIG_INET_XFRM_MODE_TUNNEL is not set
 # CONFIG_INET_XFRM_MODE_BEET is not set
 # CONFIG_INET_LRO is not set
 CONFIG_INET_DIAG=y
@@ -882,7 +882,7 @@ CONFIG_NETFILTER_XT_CONNMARK=y
 CONFIG_NETFILTER_XT_TARGET_CLASSIFY=y
 CONFIG_NETFILTER_XT_TARGET_CONNMARK=y
 # CONFIG_NETFILTER_XT_TARGET_CT is not set
-CONFIG_NETFILTER_XT_TARGET_DSCP=y
+# CONFIG_NETFILTER_XT_TARGET_DSCP is not set
 # CONFIG_NETFILTER_XT_TARGET_HL is not set
 # CONFIG_NETFILTER_XT_TARGET_IDLETIMER is not set
 CONFIG_NETFILTER_XT_TARGET_MARK=y
@@ -893,7 +893,7 @@ CONFIG_NETFILTER_XT_TARGET_NFQUEUE=y
 # CONFIG_NETFILTER_XT_TARGET_TEE is not set
 CONFIG_NETFILTER_XT_TARGET_TPROXY=y
 CONFIG_NETFILTER_XT_TARGET_TRACE=y
-CONFIG_NETFILTER_XT_TARGET_TCPMSS=y
+# CONFIG_NETFILTER_XT_TARGET_TCPMSS is not set
 # CONFIG_NETFILTER_XT_TARGET_TCPOPTSTRIP is not set
 
 #
@@ -919,7 +919,7 @@ CONFIG_NETFILTER_XT_MATCH_LENGTH=y
 CONFIG_NETFILTER_XT_MATCH_LIMIT=y
 CONFIG_NETFILTER_XT_MATCH_MAC=y
 CONFIG_NETFILTER_XT_MATCH_MARK=y
-CONFIG_NETFILTER_XT_MATCH_MULTIPORT=y
+# CONFIG_NETFILTER_XT_MATCH_MULTIPORT is not set
 # CONFIG_NETFILTER_XT_MATCH_OSF is not set
 # CONFIG_NETFILTER_XT_MATCH_OWNER is not set
 CONFIG_NETFILTER_XT_MATCH_POLICY=y
@@ -936,7 +936,7 @@ CONFIG_NETFILTER_XT_MATCH_SOCKET=y
 CONFIG_NETFILTER_XT_MATCH_STATE=y
 CONFIG_NETFILTER_XT_MATCH_STATISTIC=y
 CONFIG_NETFILTER_XT_MATCH_STRING=y
-CONFIG_NETFILTER_XT_MATCH_TCPMSS=y
+# CONFIG_NETFILTER_XT_MATCH_TCPMSS is not set
 CONFIG_NETFILTER_XT_MATCH_TIME=y
 CONFIG_NETFILTER_XT_MATCH_U32=y
 # CONFIG_IP_SET is not set
@@ -1010,9 +1010,7 @@ CONFIG_IP6_NF_RAW=y
 # CONFIG_RDS is not set
 # CONFIG_TIPC is not set
 # CONFIG_ATM is not set
-CONFIG_L2TP=y
-# CONFIG_L2TP_DEBUGFS is not set
-# CONFIG_L2TP_V3 is not set
+# CONFIG_L2TP is not set
 # CONFIG_BRIDGE is not set
 # CONFIG_NET_DSA is not set
 # CONFIG_VLAN_8021Q is not set
@@ -1086,7 +1084,7 @@ CONFIG_NET_ACT_MIRRED=y
 # CONFIG_NET_CLS_IND is not set
 CONFIG_NET_SCH_FIFO=y
 # CONFIG_DCB is not set
-# CONFIG_DNS_RESOLVER is not set
+CONFIG_DNS_RESOLVER=y
 # CONFIG_BATMAN_ADV is not set
 CONFIG_RPS=y
 CONFIG_RFS_ACCEL=y
@@ -1387,7 +1385,6 @@ CONFIG_PPP_DEFLATE=y
 CONFIG_PPP_BSDCOMP=y
 CONFIG_PPP_MPPE=y
 # CONFIG_PPPOE is not set
-CONFIG_PPPOL2TP=y
 CONFIG_PPPOLAC=y
 CONFIG_PPPOPNS=y
 # CONFIG_SLIP is not set
@@ -2620,7 +2617,9 @@ CONFIG_ACCESSORY=y
 #
 # File systems
 #
-# CONFIG_EXT2_FS is not set
+CONFIG_EXT2_FS=y
+# CONFIG_EXT2_FS_XATTR is not set
+# CONFIG_EXT2_FS_XIP is not set
 # CONFIG_EXT3_FS is not set
 CONFIG_EXT4_FS=y
 CONFIG_EXT4_USE_FOR_EXT23=y
@@ -2709,12 +2708,15 @@ CONFIG_NETWORK_FILESYSTEMS=y
 # CONFIG_NFSD is not set
 # CONFIG_CEPH_FS is not set
 CONFIG_CIFS=m
-# CONFIG_CIFS_STATS is not set
-# CONFIG_CIFS_WEAK_PW_HASH is not set
+CONFIG_CIFS_STATS=y
+CONFIG_CIFS_STATS2=y
+CONFIG_CIFS_WEAK_PW_HASH=y
 # CONFIG_CIFS_UPCALL is not set
-# CONFIG_CIFS_XATTR is not set
+CONFIG_CIFS_XATTR=y
+CONFIG_CIFS_POSIX=y
 # CONFIG_CIFS_DEBUG2 is not set
-# CONFIG_CIFS_DFS_UPCALL is not set
+CONFIG_CIFS_DFS_UPCALL=y
+# CONFIG_CIFS_ACL is not set
 # CONFIG_NCP_FS is not set
 # CONFIG_CODA_FS is not set
 # CONFIG_AFS_FS is not set

arch/arm/mm/proc-v7.S

@@ -460,6 +460,18 @@ __v7_setup:
 	ldr	r6, =NMRR			@ NMRR
 	mcr	p15, 0, r5, c10, c2, 0		@ write PRRR
 	mcr	p15, 0, r6, c10, c2, 1		@ write NMRR
+#endif
+#ifndef CONFIG_ARM_THUMBEE
+	mrc	p15, 0, r0, c0, c1, 0		@ read ID_PFR0 for ThumbEE
+	and	r0, r0, #(0xf << 12)		@ ThumbEE enabled field
+	teq	r0, #(1 << 12)			@ check if ThumbEE is present
+	bne	1f
+	mov	r5, #0
+	mcr	p14, 6, r5, c1, c0, 0		@ Initialize TEEHBR to 0
+	mrc	p14, 6, r0, c0, c0, 0		@ load TEECR
+	orr	r0, r0, #1			@ set the 1st bit in order to
+	mcr	p14, 6, r0, c0, c0, 0		@ stop userspace TEEHBR access
+1:
 #endif
 	adr	r5, v7_crval
 	ldmia	r5, {r5, r6}

arch/ia64/include/asm/futex.h

@@ -107,15 +107,16 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
 		return -EFAULT;
 
 	{
-		register unsigned long r8 __asm ("r8") = 0;
+		register unsigned long r8 __asm ("r8");
 		unsigned long prev;
 		__asm__ __volatile__(
 			"	mf;;					\n"
-			"	mov ar.ccv=%3;;				\n"
-			"[1:]	cmpxchg4.acq %0=[%1],%2,ar.ccv		\n"
+			"	mov %0=r0				\n"
+			"	mov ar.ccv=%4;;				\n"
+			"[1:]	cmpxchg4.acq %1=[%2],%3,ar.ccv		\n"
 			"	.xdata4 \"__ex_table\", 1b-., 2f-.	\n"
 			"[2:]"
-			: "=r" (prev)
+			: "=r" (r8), "=r" (prev)
 			: "r" (uaddr), "r" (newval),
 			  "rO" ((long) (unsigned) oldval)
 			: "memory");

arch/s390/Kconfig

@@ -89,7 +89,6 @@ config S390
 	select HAVE_GET_USER_PAGES_FAST
 	select HAVE_ARCH_MUTEX_CPU_RELAX
 	select HAVE_ARCH_JUMP_LABEL if !MARCH_G5
-	select HAVE_RCU_TABLE_FREE if SMP
 	select ARCH_INLINE_SPIN_TRYLOCK
 	select ARCH_INLINE_SPIN_TRYLOCK_BH
 	select ARCH_INLINE_SPIN_LOCK

arch/s390/include/asm/pgalloc.h

@@ -22,10 +22,7 @@ void crst_table_free(struct mm_struct *, unsigned long *);
 
 unsigned long *page_table_alloc(struct mm_struct *);
 void page_table_free(struct mm_struct *, unsigned long *);
-#ifdef CONFIG_HAVE_RCU_TABLE_FREE
 void page_table_free_rcu(struct mmu_gather *, unsigned long *);
-void __tlb_remove_table(void *_table);
-#endif
 
 static inline void clear_table(unsigned long *s, unsigned long val, size_t n)
 {

arch/s390/include/asm/tlb.h

@@ -30,14 +30,10 @@
 
 struct mmu_gather {
 	struct mm_struct *mm;
-#ifdef CONFIG_HAVE_RCU_TABLE_FREE
 	struct mmu_table_batch *batch;
-#endif
 	unsigned int fullmm;
-	unsigned int need_flush;
 };
 
-#ifdef CONFIG_HAVE_RCU_TABLE_FREE
 struct mmu_table_batch {
 	struct rcu_head		rcu;
 	unsigned int		nr;
@@ -49,37 +45,27 @@ struct mmu_table_batch {
 
 extern void tlb_table_flush(struct mmu_gather *tlb);
 extern void tlb_remove_table(struct mmu_gather *tlb, void *table);
-#endif
 
 static inline void tlb_gather_mmu(struct mmu_gather *tlb,
 				  struct mm_struct *mm,
 				  unsigned int full_mm_flush)
 {
 	tlb->mm = mm;
 	tlb->fullmm = full_mm_flush;
-	tlb->need_flush = 0;
-#ifdef CONFIG_HAVE_RCU_TABLE_FREE
 	tlb->batch = NULL;
-#endif
 	if (tlb->fullmm)
 		__tlb_flush_mm(mm);
 }
 
 static inline void tlb_flush_mmu(struct mmu_gather *tlb)
 {
-	if (!tlb->need_flush)
-		return;
-	tlb->need_flush = 0;
-	__tlb_flush_mm(tlb->mm);
-#ifdef CONFIG_HAVE_RCU_TABLE_FREE
 	tlb_table_flush(tlb);
-#endif
 }
 
 static inline void tlb_finish_mmu(struct mmu_gather *tlb,
 				  unsigned long start, unsigned long end)
 {
-	tlb_flush_mmu(tlb);
+	tlb_table_flush(tlb);
 }
 
 /*
@@ -105,10 +91,8 @@ static inline void tlb_remove_page(struct mmu_gather *tlb, struct page *page)
 static inline void pte_free_tlb(struct mmu_gather *tlb, pgtable_t pte,
 				unsigned long address)
 {
-#ifdef CONFIG_HAVE_RCU_TABLE_FREE
 	if (!tlb->fullmm)
 		return page_table_free_rcu(tlb, (unsigned long *) pte);
-#endif
 	page_table_free(tlb->mm, (unsigned long *) pte);
 }
 
@@ -125,10 +109,8 @@ static inline void pmd_free_tlb(struct mmu_gather *tlb, pmd_t *pmd,
 #ifdef __s390x__
 	if (tlb->mm->context.asce_limit <= (1UL << 31))
 		return;
-#ifdef CONFIG_HAVE_RCU_TABLE_FREE
 	if (!tlb->fullmm)
 		return tlb_remove_table(tlb, pmd);
-#endif
 	crst_table_free(tlb->mm, (unsigned long *) pmd);
 #endif
 }
@@ -146,10 +128,8 @@ static inline void pud_free_tlb(struct mmu_gather *tlb, pud_t *pud,
 #ifdef __s390x__
 	if (tlb->mm->context.asce_limit <= (1UL << 42))
 		return;
-#ifdef CONFIG_HAVE_RCU_TABLE_FREE
 	if (!tlb->fullmm)
 		return tlb_remove_table(tlb, pud);
-#endif
 	crst_table_free(tlb->mm, (unsigned long *) pud);
 #endif
 }

arch/s390/mm/pgtable.c

@@ -243,8 +243,6 @@ void page_table_free(struct mm_struct *mm, unsigned long *table)
 	}
 }
 
-#ifdef CONFIG_HAVE_RCU_TABLE_FREE
-
 static void __page_table_free_rcu(void *table, unsigned bit)
 {
 	struct page *page;
@@ -301,7 +299,66 @@ void __tlb_remove_table(void *_table)
 		free_pages((unsigned long) table, ALLOC_ORDER);
 }
 
-#endif
+static void tlb_remove_table_smp_sync(void *arg)
+{
+	/* Simply deliver the interrupt */
+}
+
+static void tlb_remove_table_one(void *table)
+{
+	/*
+	 * This isn't an RCU grace period and hence the page-tables cannot be
+	 * assumed to be actually RCU-freed.
+	 *
+	 * It is however sufficient for software page-table walkers that rely
+	 * on IRQ disabling. See the comment near struct mmu_table_batch.
+	 */
+	smp_call_function(tlb_remove_table_smp_sync, NULL, 1);
+	__tlb_remove_table(table);
+}
+
+static void tlb_remove_table_rcu(struct rcu_head *head)
+{
+	struct mmu_table_batch *batch;
+	int i;
+
+	batch = container_of(head, struct mmu_table_batch, rcu);
+
+	for (i = 0; i < batch->nr; i++)
+		__tlb_remove_table(batch->tables[i]);
+
+	free_page((unsigned long)batch);
+}
+
+void tlb_table_flush(struct mmu_gather *tlb)
+{
+	struct mmu_table_batch **batch = &tlb->batch;
+
+	if (*batch) {
+		__tlb_flush_mm(tlb->mm);
+		call_rcu_sched(&(*batch)->rcu, tlb_remove_table_rcu);
+		*batch = NULL;
+	}
+}
+
+void tlb_remove_table(struct mmu_gather *tlb, void *table)
+{
+	struct mmu_table_batch **batch = &tlb->batch;
+
+	if (*batch == NULL) {
+		*batch = (struct mmu_table_batch *)
+			__get_free_page(GFP_NOWAIT | __GFP_NOWARN);
+		if (*batch == NULL) {
+			__tlb_flush_mm(tlb->mm);
+			tlb_remove_table_one(table);
+			return;
+		}
+		(*batch)->nr = 0;
+	}
+	(*batch)->tables[(*batch)->nr++] = table;
+	if ((*batch)->nr == MAX_TABLE_BATCH)
+		tlb_table_flush(tlb);
+}
 
 /*
  * switch on pgstes for its userspace process (for kvm)

arch/sparc/kernel/ds.c

@@ -1269,4 +1269,4 @@ static int __init ds_init(void)
 	return vio_register_driver(&ds_driver);
 }
 
-subsys_initcall(ds_init);
+fs_initcall(ds_init);

arch/sparc/kernel/rtrap_64.S

@@ -20,11 +20,6 @@
 
 		.text
 		.align			32
-__handle_softirq:
-		call			do_softirq
-		 nop
-		ba,a,pt			%xcc, __handle_softirq_continue
-		 nop
 __handle_preemption:
 		call			schedule
 		 wrpr			%g0, RTRAP_PSTATE, %pstate
@@ -89,9 +84,7 @@ rtrap:
 		cmp			%l1, 0
 
 		/* mm/ultra.S:xcall_report_regs KNOWS about this load. */
-		bne,pn			%icc, __handle_softirq
 		 ldx			[%sp + PTREGS_OFF + PT_V9_TSTATE], %l1
-__handle_softirq_continue:
 rtrap_xcall:
 		sethi			%hi(0xf << 20), %l4
 		and			%l1, %l4, %l4

drivers/acpi/acpica/acobject.h

@@ -358,6 +358,7 @@ typedef enum {
  */
 struct acpi_object_extra {
 	ACPI_OBJECT_COMMON_HEADER struct acpi_namespace_node *method_REG;	/* _REG method for this region (if any) */
+	struct acpi_namespace_node *scope_node;
 	void *region_context;	/* Region-specific data */
 	u8 *aml_start;
 	u32 aml_length;

drivers/acpi/acpica/dsargs.c

@@ -384,7 +384,7 @@ acpi_status acpi_ds_get_region_arguments(union acpi_operand_object *obj_desc)
 
 	/* Execute the argument AML */
 
-	status = acpi_ds_execute_arguments(node, node->parent,
+	status = acpi_ds_execute_arguments(node, extra_desc->extra.scope_node,
 					   extra_desc->extra.aml_length,
 					   extra_desc->extra.aml_start);
 	if (ACPI_FAILURE(status)) {