---

yaml --- r: 119357 b: refs/heads/master c: 59da213 h: refs/heads/master i: 119355: 77e73eb v: v3
git-mirror · Nov 27, 2008 · 96e30e2 · 96e30e2
1 parent fdef07b
commit 96e30e2
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Showing 94 changed files with 763 additions and 767 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 95c5e1f1e6e1788cc8b9acbe9379ae395ef64958
+refs/heads/master: 59da21398e680e8100625d689c8bebee6a139e93
diff --git a/trunk/Documentation/input/input-programming.txt b/trunk/Documentation/input/input-programming.txt
@@ -20,11 +20,10 @@ pressed or released a BUTTON_IRQ happens. The driver could look like:
 
 static struct input_dev *button_dev;
 
-static irqreturn_t button_interrupt(int irq, void *dummy)
+static void button_interrupt(int irq, void *dummy, struct pt_regs *fp)
 {
 	input_report_key(button_dev, BTN_0, inb(BUTTON_PORT) & 1);
 	input_sync(button_dev);
-	return IRQ_HANDLED;
 }
 
 static int __init button_init(void)

diff --git a/trunk/arch/Kconfig b/trunk/arch/Kconfig
@@ -79,6 +79,8 @@ config HAVE_KRETPROBES
 #	task_pt_regs()		in asm/processor.h or asm/ptrace.h
 #	arch_has_single_step()	if there is hardware single-step support
 #	arch_has_block_step()	if there is hardware block-step support
+#	arch_ptrace()		and not #define __ARCH_SYS_PTRACE
+#	compat_arch_ptrace()	and #define __ARCH_WANT_COMPAT_SYS_PTRACE
 #	asm/syscall.h		supplying asm-generic/syscall.h interface
 #	linux/regset.h		user_regset interfaces
 #	CORE_DUMP_USE_REGSET	#define'd in linux/elf.h

diff --git a/trunk/arch/alpha/kernel/pci.c b/trunk/arch/alpha/kernel/pci.c
@@ -338,7 +338,7 @@ common_swizzle(struct pci_dev *dev, u8 *pinp)
 	return PCI_SLOT(dev->devfn);
 }
 
-void
+void __devinit
 pcibios_resource_to_bus(struct pci_dev *dev, struct pci_bus_region *region,
 			 struct resource *res)
 {

diff --git a/trunk/arch/alpha/kernel/smp.c b/trunk/arch/alpha/kernel/smp.c
@@ -121,7 +121,7 @@ wait_boot_cpu_to_stop(int cpuid)
 /*
  * Where secondaries begin a life of C.
  */
-void __cpuinit
+void __init
 smp_callin(void)
 {
 	int cpuid = hard_smp_processor_id();
@@ -198,7 +198,7 @@ wait_for_txrdy (unsigned long cpumask)
  * Send a message to a secondary's console.  "START" is one such
  * interesting message.  ;-)
  */
-static void __cpuinit
+static void __init
 send_secondary_console_msg(char *str, int cpuid)
 {
 	struct percpu_struct *cpu;
@@ -289,7 +289,7 @@ recv_secondary_console_msg(void)
 /*
  * Convince the console to have a secondary cpu begin execution.
  */
-static int __cpuinit
+static int __init
 secondary_cpu_start(int cpuid, struct task_struct *idle)
 {
 	struct percpu_struct *cpu;

diff --git a/trunk/arch/alpha/kernel/traps.c b/trunk/arch/alpha/kernel/traps.c
@@ -31,7 +31,7 @@
 
 static int opDEC_fix;
 
-static void __cpuinit
+static void __init
 opDEC_check(void)
 {
 	__asm__ __volatile__ (
@@ -1072,7 +1072,7 @@ do_entUnaUser(void __user * va, unsigned long opcode,
 	return;
 }
 
-void __cpuinit
+void __init
 trap_init(void)
 {
 	/* Tell PAL-code what global pointer we want in the kernel.  */

diff --git a/trunk/arch/ia64/include/asm/ptrace.h b/trunk/arch/ia64/include/asm/ptrace.h
@@ -325,6 +325,8 @@ static inline unsigned long user_stack_pointer(struct pt_regs *regs)
   #define arch_has_block_step()   (1)
   extern void user_enable_block_step(struct task_struct *);
 
+#define __ARCH_WANT_COMPAT_SYS_PTRACE
+
 #endif /* !__KERNEL__ */
 
 /* pt_all_user_regs is used for PTRACE_GETREGS PTRACE_SETREGS */

diff --git a/trunk/arch/ia64/sn/kernel/io_init.c b/trunk/arch/ia64/sn/kernel/io_init.c
@@ -292,7 +292,7 @@ EXPORT_SYMBOL(sn_io_slot_fixup);
  * sn_pci_controller_fixup() - This routine sets up a bus's resources
  *			       consistent with the Linux PCI abstraction layer.
  */
-static void __init
+static void
 sn_pci_controller_fixup(int segment, int busnum, struct pci_bus *bus)
 {
 	s64 status = 0;

diff --git a/trunk/arch/m32r/kernel/head.S b/trunk/arch/m32r/kernel/head.S
@@ -23,7 +23,7 @@ __INITDATA
 /*
  * References to members of the boot_cpu_data structure.
  */
-.section .text.head, "ax"
+	.text
 	.global	start_kernel
 	.global __bss_start
 	.global _end
@@ -133,6 +133,7 @@ loop1:
 /*
  * AP startup routine
  */
+	.text
 	.global	eit_vector
 ENTRY(startup_AP)
 ;; setup EVB
@@ -229,7 +230,6 @@ ENTRY(startup_AP)
 	nop
 #endif  /* CONFIG_SMP */
 
-	.text
 ENTRY(stack_start)
 	.long	init_thread_union+8192
 	.long	__KERNEL_DS

diff --git a/trunk/arch/m32r/kernel/vmlinux.lds.S b/trunk/arch/m32r/kernel/vmlinux.lds.S
@@ -27,7 +27,6 @@ SECTIONS
   _text = .;			/* Text and read-only data */
   .boot : { *(.boot) } = 0
   .text : {
-	*(.text.head)
 	TEXT_TEXT
 	SCHED_TEXT
 	LOCK_TEXT

diff --git a/trunk/arch/mips/include/asm/bug.h b/trunk/arch/mips/include/asm/bug.h
@@ -7,31 +7,20 @@
 
 #include <asm/break.h>
 
-static inline void __noreturn BUG(void)
-{
-	__asm__ __volatile__("break %0" : : "i" (BRK_BUG));
-	/* Fool GCC into thinking the function doesn't return. */
-	while (1)
-		;
-}
+#define BUG()								\
+do {									\
+	__asm__ __volatile__("break %0" : : "i" (BRK_BUG));		\
+} while (0)
 
 #define HAVE_ARCH_BUG
 
 #if (_MIPS_ISA > _MIPS_ISA_MIPS1)
 
-static inline void  __BUG_ON(unsigned long condition)
-{
-	if (__builtin_constant_p(condition)) {
-		if (condition)
-			BUG();
-		else
-			return;
-	}
-	__asm__ __volatile__("tne $0, %0, %1"
-			     : : "r" (condition), "i" (BRK_BUG));
-}
-
-#define BUG_ON(C) __BUG_ON((unsigned long)(C))
+#define BUG_ON(condition)						\
+do {									\
+	__asm__ __volatile__("tne $0, %0, %1"				\
+			     : : "r" (condition), "i" (BRK_BUG));	\
+} while (0)
 
 #define HAVE_ARCH_BUG_ON
 

diff --git a/trunk/arch/mips/include/asm/ptrace.h b/trunk/arch/mips/include/asm/ptrace.h
@@ -9,6 +9,10 @@
 #ifndef _ASM_PTRACE_H
 #define _ASM_PTRACE_H
 
+#ifdef CONFIG_64BIT
+#define __ARCH_WANT_COMPAT_SYS_PTRACE
+#endif
+
 /* 0 - 31 are integer registers, 32 - 63 are fp registers.  */
 #define FPR_BASE	32
 #define PC		64

diff --git a/trunk/arch/parisc/include/asm/ptrace.h b/trunk/arch/parisc/include/asm/ptrace.h
@@ -47,6 +47,8 @@ struct pt_regs {
 
 #define task_regs(task) ((struct pt_regs *) ((char *)(task) + TASK_REGS))
 
+#define __ARCH_WANT_COMPAT_SYS_PTRACE
+
 struct task_struct;
 #define arch_has_single_step()	1
 void user_disable_single_step(struct task_struct *task);

diff --git a/trunk/arch/powerpc/include/asm/mmu-hash64.h b/trunk/arch/powerpc/include/asm/mmu-hash64.h
@@ -280,6 +280,7 @@ extern int hash_huge_page(struct mm_struct *mm, unsigned long access,
 extern int htab_bolt_mapping(unsigned long vstart, unsigned long vend,
 			     unsigned long pstart, unsigned long prot,
 			     int psize, int ssize);
+extern void set_huge_psize(int psize);
 extern void add_gpage(unsigned long addr, unsigned long page_size,
 			  unsigned long number_of_pages);
 extern void demote_segment_4k(struct mm_struct *mm, unsigned long addr);

diff --git a/trunk/arch/powerpc/include/asm/ptrace.h b/trunk/arch/powerpc/include/asm/ptrace.h
@@ -55,6 +55,8 @@ struct pt_regs {
 
 #ifdef __powerpc64__
 
+#define __ARCH_WANT_COMPAT_SYS_PTRACE
+
 #define STACK_FRAME_OVERHEAD	112	/* size of minimum stack frame */
 #define STACK_FRAME_LR_SAVE	2	/* Location of LR in stack frame */
 #define STACK_FRAME_REGS_MARKER	ASM_CONST(0x7265677368657265)

diff --git a/trunk/arch/powerpc/mm/hugetlbpage.c b/trunk/arch/powerpc/mm/hugetlbpage.c
@@ -677,7 +677,7 @@ int hash_huge_page(struct mm_struct *mm, unsigned long access,
 	return err;
 }
 
-static void __init set_huge_psize(int psize)
+void set_huge_psize(int psize)
 {
 	/* Check that it is a page size supported by the hardware and
 	 * that it fits within pagetable limits. */

diff --git a/trunk/arch/s390/include/asm/ptrace.h b/trunk/arch/s390/include/asm/ptrace.h
@@ -321,8 +321,8 @@ struct pt_regs
 	psw_t psw;
 	unsigned long gprs[NUM_GPRS];
 	unsigned long orig_gpr2;
+	unsigned short svcnr;
 	unsigned short ilc;
-	unsigned short trap;
 };
 #endif
 
@@ -486,6 +486,8 @@ struct task_struct;
 extern void user_enable_single_step(struct task_struct *);
 extern void user_disable_single_step(struct task_struct *);
 
+#define __ARCH_WANT_COMPAT_SYS_PTRACE
+
 #define user_mode(regs) (((regs)->psw.mask & PSW_MASK_PSTATE) != 0)
 #define instruction_pointer(regs) ((regs)->psw.addr & PSW_ADDR_INSN)
 #define user_stack_pointer(regs)((regs)->gprs[15])

diff --git a/trunk/arch/s390/include/asm/syscall.h b/trunk/arch/s390/include/asm/syscall.h
@@ -17,9 +17,7 @@
 static inline long syscall_get_nr(struct task_struct *task,
 				  struct pt_regs *regs)
 {
-	if (regs->trap != __LC_SVC_OLD_PSW)
-		return -1;
-	return regs->gprs[2];
+	return regs->svcnr ? regs->svcnr : -1;
 }
 
 static inline void syscall_rollback(struct task_struct *task,
@@ -52,18 +50,20 @@ static inline void syscall_get_arguments(struct task_struct *task,
 					 unsigned int i, unsigned int n,
 					 unsigned long *args)
 {
+	unsigned long mask = -1UL;
+
 	BUG_ON(i + n > 6);
 #ifdef CONFIG_COMPAT
-	if (test_tsk_thread_flag(task, TIF_31BIT)) {
-		if (i + n == 6)
-			args[--n] = (u32) regs->args[0];
-		while (n-- > 0)
-			args[n] = (u32) regs->gprs[2 + i + n];
-	}
+	if (test_tsk_thread_flag(task, TIF_31BIT))
+		mask = 0xffffffff;
 #endif
 	if (i + n == 6)
-		args[--n] = regs->args[0];
-	memcpy(args, &regs->gprs[2 + i], n * sizeof(args[0]));
+		args[--n] = regs->args[0] & mask;
+	while (n-- > 0)
+		if (i + n > 0)
+			args[n] = regs->gprs[2 + i + n] & mask;
+	if (i == 0)
+		args[0] = regs->orig_gpr2 & mask;
 }
 
 static inline void syscall_set_arguments(struct task_struct *task,
@@ -74,7 +74,11 @@ static inline void syscall_set_arguments(struct task_struct *task,
 	BUG_ON(i + n > 6);
 	if (i + n == 6)
 		regs->args[0] = args[--n];
-	memcpy(&regs->gprs[2 + i], args, n * sizeof(args[0]));
+	while (n-- > 0)
+		if (i + n > 0)
+			regs->gprs[2 + i + n] = args[n];
+	if (i == 0)
+		regs->orig_gpr2 = args[0];
 }
 
 #endif	/* _ASM_SYSCALL_H */
diff --git a/trunk/arch/s390/kernel/asm-offsets.c b/trunk/arch/s390/kernel/asm-offsets.c
@@ -32,7 +32,7 @@ int main(void)
 	DEFINE(__PT_GPRS, offsetof(struct pt_regs, gprs));
 	DEFINE(__PT_ORIG_GPR2, offsetof(struct pt_regs, orig_gpr2));
 	DEFINE(__PT_ILC, offsetof(struct pt_regs, ilc));
-	DEFINE(__PT_TRAP, offsetof(struct pt_regs, trap));
+	DEFINE(__PT_SVCNR, offsetof(struct pt_regs, svcnr));
 	DEFINE(__PT_SIZE, sizeof(struct pt_regs));
 	BLANK();
 	DEFINE(__SF_BACKCHAIN, offsetof(struct stack_frame, back_chain));

diff --git a/trunk/arch/s390/kernel/compat_signal.c b/trunk/arch/s390/kernel/compat_signal.c
@@ -340,7 +340,7 @@ static int restore_sigregs32(struct pt_regs *regs,_sigregs32 __user *sregs)
 		return err;
 
 	restore_fp_regs(&current->thread.fp_regs);
-	regs->trap = -1;	/* disable syscall checks */
+	regs->svcnr = 0;	/* disable syscall checks */
 	return 0;
 }
 

diff --git a/trunk/arch/s390/kernel/entry.S b/trunk/arch/s390/kernel/entry.S
@@ -46,7 +46,7 @@ SP_R14	     =	STACK_FRAME_OVERHEAD + __PT_GPRS + 56
 SP_R15	     =	STACK_FRAME_OVERHEAD + __PT_GPRS + 60
 SP_ORIG_R2   =	STACK_FRAME_OVERHEAD + __PT_ORIG_GPR2
 SP_ILC	     =	STACK_FRAME_OVERHEAD + __PT_ILC
-SP_TRAP      =	STACK_FRAME_OVERHEAD + __PT_TRAP
+SP_SVCNR     =	STACK_FRAME_OVERHEAD + __PT_SVCNR
 SP_SIZE      =	STACK_FRAME_OVERHEAD + __PT_SIZE
 
 _TIF_WORK_SVC = (_TIF_SIGPENDING | _TIF_NOTIFY_RESUME | _TIF_NEED_RESCHED | \
@@ -183,11 +183,10 @@ STACK_SIZE  = 1 << STACK_SHIFT
 	.macro	CREATE_STACK_FRAME psworg,savearea
 	s	%r15,BASED(.Lc_spsize)	# make room for registers & psw
 	mvc	SP_PSW(8,%r15),0(%r12)	# move user PSW to stack
-	la	%r12,\psworg
 	st	%r2,SP_ORIG_R2(%r15)	# store original content of gpr 2
-	icm	%r12,12,__LC_SVC_ILC
+	icm	%r12,3,__LC_SVC_ILC
 	stm	%r0,%r11,SP_R0(%r15)	# store gprs %r0-%r11 to kernel stack
-	st	%r12,SP_ILC(%r15)
+	st	%r12,SP_SVCNR(%r15)
 	mvc	SP_R12(16,%r15),\savearea # move %r12-%r15 to stack
 	la	%r12,0
 	st	%r12,__SF_BACKCHAIN(%r15)	# clear back chain
@@ -264,16 +263,17 @@ sysc_update:
 #endif
 sysc_do_svc:
 	l	%r9,__LC_THREAD_INFO	# load pointer to thread_info struct
-	sla	%r7,2			# *4 and test for svc 0
+	ltr	%r7,%r7			# test for svc 0
 	bnz	BASED(sysc_nr_ok)	# svc number > 0
 	# svc 0: system call number in %r1
 	cl	%r1,BASED(.Lnr_syscalls)
 	bnl	BASED(sysc_nr_ok)
 	lr	%r7,%r1 	  # copy svc number to %r7
-	sla	%r7,2		  # *4
 sysc_nr_ok:
 	mvc	SP_ARGS(4,%r15),SP_R7(%r15)
 sysc_do_restart:
+	sth	%r7,SP_SVCNR(%r15)
+	sll	%r7,2		  # svc number *4
 	l	%r8,BASED(.Lsysc_table)
 	tm	__TI_flags+3(%r9),(_TIF_SYSCALL_TRACE|_TIF_SYSCALL_AUDIT)
 	l	%r8,0(%r7,%r8)	  # get system call addr.
@@ -376,7 +376,6 @@ sysc_notify_resume:
 sysc_restart:
 	ni	__TI_flags+3(%r9),255-_TIF_RESTART_SVC # clear TIF_RESTART_SVC
 	l	%r7,SP_R2(%r15) 	# load new svc number
-	sla	%r7,2
 	mvc	SP_R2(4,%r15),SP_ORIG_R2(%r15) # restore first argument
 	lm	%r2,%r6,SP_R2(%r15)	# load svc arguments
 	b	BASED(sysc_do_restart)	# restart svc
@@ -386,7 +385,8 @@ sysc_restart:
 #
 sysc_singlestep:
 	ni	__TI_flags+3(%r9),255-_TIF_SINGLE_STEP # clear TIF_SINGLE_STEP
-	mvi	SP_TRAP+1(%r15),0x28	# set trap indication to pgm check
+	mvi	SP_SVCNR(%r15),0xff	# set trap indication to pgm check
+	mvi	SP_SVCNR+1(%r15),0xff
 	la	%r2,SP_PTREGS(%r15)	# address of register-save area
 	l	%r1,BASED(.Lhandle_per)	# load adr. of per handler
 	la	%r14,BASED(sysc_return)	# load adr. of system return
@@ -407,7 +407,7 @@ sysc_tracesys:
 	bnl	BASED(sysc_tracenogo)
 	l	%r8,BASED(.Lsysc_table)
 	lr	%r7,%r2
-	sll	%r7,2			# *4
+	sll	%r7,2			# svc number *4
 	l	%r8,0(%r7,%r8)
 sysc_tracego:
 	lm	%r3,%r6,SP_R3(%r15)
@@ -586,7 +586,8 @@ pgm_svcper:
 # per was called from kernel, must be kprobes
 #
 kernel_per:
-	mvi	SP_TRAP+1(%r15),0x28	# set trap indication to pgm check
+	mvi	SP_SVCNR(%r15),0xff	# set trap indication to pgm check
+	mvi	SP_SVCNR+1(%r15),0xff
 	la	%r2,SP_PTREGS(%r15)	# address of register-save area
 	l	%r1,BASED(.Lhandle_per)	# load adr. of per handler
 	la	%r14,BASED(sysc_restore)# load adr. of system return