---

yaml
---
r: 232930
b: refs/heads/master
c: 872434d
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 15ccb7b429d341605296b6a654b414f2b3ae9fd3
+refs/heads/master: 872434d69c644b8aa5088b835598dc3cd9832aff

trunk/Documentation/sound/alsa/HD-Audio-Models.txt

@@ -296,7 +296,6 @@ Conexant 5066
 =============
   laptop	Basic Laptop config (default)
   hp-laptop	HP laptops, e g G60
-  asus		Asus K52JU, Lenovo G560
   dell-laptop	Dell laptops
   dell-vostro	Dell Vostro
   olpc-xo-1_5	OLPC XO 1.5

trunk/arch/x86/include/asm/smp.h

@@ -40,7 +40,10 @@ DECLARE_EARLY_PER_CPU(u16, x86_cpu_to_apicid);
 DECLARE_EARLY_PER_CPU(u16, x86_bios_cpu_apicid);
 
 /* Static state in head.S used to set up a CPU */
-extern unsigned long stack_start; /* Initial stack pointer address */
+extern struct {
+	void *sp;
+	unsigned short ss;
+} stack_start;
 
 struct smp_ops {
 	void (*smp_prepare_boot_cpu)(void);

trunk/arch/x86/kernel/acpi/sleep.c

@@ -100,7 +100,7 @@ int acpi_save_state_mem(void)
 #else /* CONFIG_64BIT */
 	header->trampoline_segment = setup_trampoline() >> 4;
 #ifdef CONFIG_SMP
-	stack_start = (unsigned long)temp_stack + sizeof(temp_stack);
+	stack_start.sp = temp_stack + sizeof(temp_stack);
 	early_gdt_descr.address =
 			(unsigned long)get_cpu_gdt_table(smp_processor_id());
 	initial_gs = per_cpu_offset(smp_processor_id());

trunk/arch/x86/kernel/cpu/mtrr/main.c

@@ -793,21 +793,13 @@ void set_mtrr_aps_delayed_init(void)
 }
 
 /*
- * Delayed MTRR initialization for all AP's
+ * MTRR initialization for all AP's
  */
 void mtrr_aps_init(void)
 {
 	if (!use_intel())
 		return;
 
-	/*
-	 * Check if someone has requested the delay of AP MTRR initialization,
-	 * by doing set_mtrr_aps_delayed_init(), prior to this point. If not,
-	 * then we are done.
-	 */
-	if (!mtrr_aps_delayed_init)
-		return;
-
 	set_mtrr(~0U, 0, 0, 0);
 	mtrr_aps_delayed_init = false;
 }

trunk/arch/x86/kernel/head_32.S

@@ -85,8 +85,6 @@ RESERVE_BRK(pagetables, INIT_MAP_SIZE)
  */
 __HEAD
 ENTRY(startup_32)
-	movl pa(stack_start),%ecx
-
 	/* test KEEP_SEGMENTS flag to see if the bootloader is asking
 		us to not reload segments */
 	testb $(1<<6), BP_loadflags(%esi)
@@ -101,9 +99,7 @@ ENTRY(startup_32)
 	movl %eax,%es
 	movl %eax,%fs
 	movl %eax,%gs
-	movl %eax,%ss
 2:
-	leal -__PAGE_OFFSET(%ecx),%esp
 
 /*
  * Clear BSS first so that there are no surprises...
@@ -149,6 +145,8 @@ ENTRY(startup_32)
  * _brk_end is set up to point to the first "safe" location.
  * Mappings are created both at virtual address 0 (identity mapping)
  * and PAGE_OFFSET for up to _end.
+ *
+ * Note that the stack is not yet set up!
  */
 #ifdef CONFIG_X86_PAE
 
@@ -284,9 +282,6 @@ ENTRY(startup_32_smp)
 	movl %eax,%es
 	movl %eax,%fs
 	movl %eax,%gs
-	movl pa(stack_start),%ecx
-	movl %eax,%ss
-	leal -__PAGE_OFFSET(%ecx),%esp
 #endif /* CONFIG_SMP */
 default_entry:
 
@@ -352,8 +347,8 @@ default_entry:
 	movl %eax,%cr0		/* ..and set paging (PG) bit */
 	ljmp $__BOOT_CS,$1f	/* Clear prefetch and normalize %eip */
 1:
-	/* Shift the stack pointer to a virtual address */
-	addl $__PAGE_OFFSET, %esp
+	/* Set up the stack pointer */
+	lss stack_start,%esp
 
 /*
  * Initialize eflags.  Some BIOS's leave bits like NT set.  This would
@@ -365,7 +360,9 @@ default_entry:
 
 #ifdef CONFIG_SMP
 	cmpb $0, ready
-	jnz checkCPUtype
+	jz  1f				/* Initial CPU cleans BSS */
+	jmp checkCPUtype
+1:
 #endif /* CONFIG_SMP */
 
 /*
@@ -473,7 +470,14 @@ is386:	movl $2,%ecx		# set MP
 
 	cld			# gcc2 wants the direction flag cleared at all times
 	pushl $0		# fake return address for unwinder
+#ifdef CONFIG_SMP
+	movb ready, %cl
 	movb $1, ready
+	cmpb $0,%cl		# the first CPU calls start_kernel
+	je   1f
+	movl (stack_start), %esp
+1:
+#endif /* CONFIG_SMP */
 	jmp *(initial_code)
 
 /*
@@ -666,15 +670,15 @@ ENTRY(initial_page_table)
 #endif
 
 .data
-.balign 4
 ENTRY(stack_start)
 	.long init_thread_union+THREAD_SIZE
+	.long __BOOT_DS
+
+ready:	.byte 0
 
 early_recursion_flag:
 	.long 0
 
-ready:	.byte 0
-
 int_msg:
 	.asciz "Unknown interrupt or fault at: %p %p %p\n"
 

trunk/arch/x86/kernel/smpboot.c

@@ -638,7 +638,7 @@ wakeup_secondary_cpu_via_init(int phys_apicid, unsigned long start_eip)
 	 * target processor state.
 	 */
 	startup_ipi_hook(phys_apicid, (unsigned long) start_secondary,
-			 stack_start);
+			 (unsigned long)stack_start.sp);
 
 	/*
 	 * Run STARTUP IPI loop.
@@ -785,7 +785,7 @@ static int __cpuinit do_boot_cpu(int apicid, int cpu)
 #endif
 	early_gdt_descr.address = (unsigned long)get_cpu_gdt_table(cpu);
 	initial_code = (unsigned long)start_secondary;
-	stack_start  = c_idle.idle->thread.sp;
+	stack_start.sp = (void *) c_idle.idle->thread.sp;
 
 	/* start_ip had better be page-aligned! */
 	start_ip = setup_trampoline();

trunk/arch/x86/mm/pageattr.c

@@ -256,6 +256,7 @@ static inline pgprot_t static_protections(pgprot_t prot, unsigned long address,
 				   unsigned long pfn)
 {
 	pgprot_t forbidden = __pgprot(0);
+	pgprot_t required = __pgprot(0);
 
 	/*
 	 * The BIOS area between 640k and 1Mb needs to be executable for
@@ -281,6 +282,12 @@ static inline pgprot_t static_protections(pgprot_t prot, unsigned long address,
 	if (within(pfn, __pa((unsigned long)__start_rodata) >> PAGE_SHIFT,
 		   __pa((unsigned long)__end_rodata) >> PAGE_SHIFT))
 		pgprot_val(forbidden) |= _PAGE_RW;
+	/*
+	 * .data and .bss should always be writable.
+	 */
+	if (within(address, (unsigned long)_sdata, (unsigned long)_edata) ||
+	    within(address, (unsigned long)__bss_start, (unsigned long)__bss_stop))
+		pgprot_val(required) |= _PAGE_RW;
 
 #if defined(CONFIG_X86_64) && defined(CONFIG_DEBUG_RODATA)
 	/*
@@ -320,6 +327,7 @@ static inline pgprot_t static_protections(pgprot_t prot, unsigned long address,
 #endif
 
 	prot = __pgprot(pgprot_val(prot) & ~pgprot_val(forbidden));
+	prot = __pgprot(pgprot_val(prot) | pgprot_val(required));
 
 	return prot;
 }

trunk/include/asm-generic/vmlinux.lds.h

@@ -124,8 +124,7 @@
 #endif
 
 #ifdef CONFIG_EVENT_TRACING
-#define FTRACE_EVENTS()	. = ALIGN(8);					\
-			VMLINUX_SYMBOL(__start_ftrace_events) = .;	\
+#define FTRACE_EVENTS()	VMLINUX_SYMBOL(__start_ftrace_events) = .;	\
 			*(_ftrace_events)				\
 			VMLINUX_SYMBOL(__stop_ftrace_events) = .;
 #else
@@ -141,8 +140,7 @@
 #endif
 
 #ifdef CONFIG_FTRACE_SYSCALLS
-#define TRACE_SYSCALLS() . = ALIGN(8);					\
-			 VMLINUX_SYMBOL(__start_syscalls_metadata) = .;	\
+#define TRACE_SYSCALLS() VMLINUX_SYMBOL(__start_syscalls_metadata) = .;	\
 			 *(__syscalls_metadata)				\
 			 VMLINUX_SYMBOL(__stop_syscalls_metadata) = .;
 #else
@@ -167,16 +165,24 @@
 	CPU_KEEP(exit.data)						\
 	MEM_KEEP(init.data)						\
 	MEM_KEEP(exit.data)						\
-	STRUCT_ALIGN();							\
+	. = ALIGN(32);							\
+	VMLINUX_SYMBOL(__start___tracepoints) = .;			\
 	*(__tracepoints)						\
+	VMLINUX_SYMBOL(__stop___tracepoints) = .;			\
 	/* implement dynamic printk debug */				\
 	. = ALIGN(8);							\
 	VMLINUX_SYMBOL(__start___verbose) = .;                          \
 	*(__verbose)                                                    \
 	VMLINUX_SYMBOL(__stop___verbose) = .;				\
 	LIKELY_PROFILE()		       				\
 	BRANCH_PROFILE()						\
-	TRACE_PRINTKS()
+	TRACE_PRINTKS()							\
+									\
+	STRUCT_ALIGN();							\
+	FTRACE_EVENTS()							\
+									\
+	STRUCT_ALIGN();							\
+	TRACE_SYSCALLS()
 
 /*
  * Data section helpers
@@ -214,10 +220,6 @@
 		VMLINUX_SYMBOL(__start_rodata) = .;			\
 		*(.rodata) *(.rodata.*)					\
 		*(__vermagic)		/* Kernel version magic */	\
-		. = ALIGN(8);						\
-		VMLINUX_SYMBOL(__start___tracepoints_ptrs) = .;		\
-		*(__tracepoints_ptrs)	/* Tracepoints: pointer array */\
-		VMLINUX_SYMBOL(__stop___tracepoints_ptrs) = .;		\
 		*(__markers_strings)	/* Markers: strings */		\
 		*(__tracepoints_strings)/* Tracepoints: strings */	\
 	}								\
@@ -480,8 +482,6 @@
 	KERNEL_CTORS()							\
 	*(.init.rodata)							\
 	MCOUNT_REC()							\
-	FTRACE_EVENTS()							\
-	TRACE_SYSCALLS()						\
 	DEV_DISCARD(init.rodata)					\
 	CPU_DISCARD(init.rodata)					\
 	MEM_DISCARD(init.rodata)					\

trunk/include/linux/irq.h

@@ -74,7 +74,8 @@ typedef	void (*irq_flow_handler_t)(unsigned int irq,
 
 #define IRQF_MODIFY_MASK	\
 	(IRQ_TYPE_SENSE_MASK | IRQ_NOPROBE | IRQ_NOREQUEST | \
-	 IRQ_NOAUTOEN | IRQ_MOVE_PCNTXT | IRQ_LEVEL)
+	 IRQ_NOAUTOEN | IRQ_MOVE_PCNTXT | IRQ_LEVEL | IRQ_NO_BALANCING | \
+	 IRQ_PER_CPU)
 
 #ifdef CONFIG_IRQ_PER_CPU
 # define CHECK_IRQ_PER_CPU(var) ((var) & IRQ_PER_CPU)

trunk/include/linux/module.h

@@ -377,7 +377,7 @@ struct module
 	   keeping pointers to this stuff */
 	char *args;
 #ifdef CONFIG_TRACEPOINTS
-	struct tracepoint * const *tracepoints_ptrs;
+	struct tracepoint *tracepoints;
 	unsigned int num_tracepoints;
 #endif
 #ifdef HAVE_JUMP_LABEL
@@ -389,7 +389,7 @@ struct module
 	unsigned int num_trace_bprintk_fmt;
 #endif
 #ifdef CONFIG_EVENT_TRACING
-	struct ftrace_event_call **trace_events;
+	struct ftrace_event_call *trace_events;
 	unsigned int num_trace_events;
 #endif
 #ifdef CONFIG_FTRACE_MCOUNT_RECORD

trunk/include/linux/syscalls.h

@@ -125,37 +125,39 @@ extern struct trace_event_functions enter_syscall_print_funcs;
 extern struct trace_event_functions exit_syscall_print_funcs;
 
 #define SYSCALL_TRACE_ENTER_EVENT(sname)				\
-	static struct syscall_metadata __syscall_meta_##sname;		\
+	static struct syscall_metadata					\
+	__attribute__((__aligned__(4))) __syscall_meta_##sname;		\
 	static struct ftrace_event_call __used				\
+	  __attribute__((__aligned__(4)))				\
+	  __attribute__((section("_ftrace_events")))			\
 	  event_enter_##sname = {					\
 		.name                   = "sys_enter"#sname,		\
 		.class			= &event_class_syscall_enter,	\
 		.event.funcs            = &enter_syscall_print_funcs,	\
 		.data			= (void *)&__syscall_meta_##sname,\
 	};								\
-	static struct ftrace_event_call __used				\
-	  __attribute__((section("_ftrace_events")))			\
-	 *__event_enter_##sname = &event_enter_##sname;			\
 	__TRACE_EVENT_FLAGS(enter_##sname, TRACE_EVENT_FL_CAP_ANY)
 
 #define SYSCALL_TRACE_EXIT_EVENT(sname)					\
-	static struct syscall_metadata __syscall_meta_##sname;		\
+	static struct syscall_metadata					\
+	__attribute__((__aligned__(4))) __syscall_meta_##sname;		\
 	static struct ftrace_event_call __used				\
+	  __attribute__((__aligned__(4)))				\
+	  __attribute__((section("_ftrace_events")))			\
 	  event_exit_##sname = {					\
 		.name                   = "sys_exit"#sname,		\
 		.class			= &event_class_syscall_exit,	\
 		.event.funcs		= &exit_syscall_print_funcs,	\
 		.data			= (void *)&__syscall_meta_##sname,\
 	};								\
-	static struct ftrace_event_call __used				\
-	  __attribute__((section("_ftrace_events")))			\
-	*__event_exit_##sname = &event_exit_##sname;			\
 	__TRACE_EVENT_FLAGS(exit_##sname, TRACE_EVENT_FL_CAP_ANY)
 
 #define SYSCALL_METADATA(sname, nb)				\
 	SYSCALL_TRACE_ENTER_EVENT(sname);			\
 	SYSCALL_TRACE_EXIT_EVENT(sname);			\
 	static struct syscall_metadata __used			\
+	  __attribute__((__aligned__(4)))			\
+	  __attribute__((section("__syscalls_metadata")))	\
 	  __syscall_meta_##sname = {				\
 		.name 		= "sys"#sname,			\
 		.nb_args 	= nb,				\
@@ -164,25 +166,21 @@ extern struct trace_event_functions exit_syscall_print_funcs;
 		.enter_event	= &event_enter_##sname,		\
 		.exit_event	= &event_exit_##sname,		\
 		.enter_fields	= LIST_HEAD_INIT(__syscall_meta_##sname.enter_fields), \
-	};							\
-	static struct syscall_metadata __used			\
-	  __attribute__((section("__syscalls_metadata")))	\
-	 *__p_syscall_meta_##sname = &__syscall_meta_##sname;
+	};
 
 #define SYSCALL_DEFINE0(sname)					\
 	SYSCALL_TRACE_ENTER_EVENT(_##sname);			\
 	SYSCALL_TRACE_EXIT_EVENT(_##sname);			\
 	static struct syscall_metadata __used			\
+	  __attribute__((__aligned__(4)))			\
+	  __attribute__((section("__syscalls_metadata")))	\
 	  __syscall_meta__##sname = {				\
 		.name 		= "sys_"#sname,			\
 		.nb_args 	= 0,				\
 		.enter_event	= &event_enter__##sname,	\
 		.exit_event	= &event_exit__##sname,		\
 		.enter_fields	= LIST_HEAD_INIT(__syscall_meta__##sname.enter_fields), \
 	};							\
-	static struct syscall_metadata __used			\
-	  __attribute__((section("__syscalls_metadata")))	\
-	 *__p_syscall_meta_##sname = &__syscall_meta__##sname;	\
 	asmlinkage long sys_##sname(void)
 #else
 #define SYSCALL_DEFINE0(name)	   asmlinkage long sys_##name(void)