---

yaml
---
r: 946
b: refs/heads/master
c: 4f7a181
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 3b9fa0931dd86a1fe5507311ee8031650f5d0e8c
+refs/heads/master: 4f7a18124c1a44858fb74a1c4234015009952959

trunk/arch/arm/kernel/head.S

@@ -19,6 +19,7 @@
 #include <asm/procinfo.h>
 #include <asm/ptrace.h>
 #include <asm/constants.h>
+#include <asm/thread_info.h>
 #include <asm/system.h>
 
 #define PROCINFO_MMUFLAGS	8
@@ -131,7 +132,7 @@ __switch_data:
 	.long	processor_id			@ r4
 	.long	__machine_arch_type		@ r5
 	.long	cr_alignment			@ r6
-	.long	init_thread_union+8192		@ sp
+	.long	init_thread_union + THREAD_START_SP @ sp
 
 /*
  * The following fragment of code is executed with the MMU on, and uses

trunk/arch/arm/kernel/process.c

@@ -256,8 +256,6 @@ static unsigned long *thread_info_head;
 static unsigned int nr_thread_info;
 
 #define EXTRA_TASK_STRUCT	4
-#define ll_alloc_task_struct() ((struct thread_info *) __get_free_pages(GFP_KERNEL,1))
-#define ll_free_task_struct(p) free_pages((unsigned long)(p),1)
 
 struct thread_info *alloc_thread_info(struct task_struct *task)
 {
@@ -274,17 +272,16 @@ struct thread_info *alloc_thread_info(struct task_struct *task)
 	}
 
 	if (!thread)
-		thread = ll_alloc_task_struct();
+		thread = (struct thread_info *)
+			   __get_free_pages(GFP_KERNEL, THREAD_SIZE_ORDER);
 
-#ifdef CONFIG_MAGIC_SYSRQ
+#ifdef CONFIG_DEBUG_STACK_USAGE
 	/*
 	 * The stack must be cleared if you want SYSRQ-T to
 	 * give sensible stack usage information
 	 */
-	if (thread) {
-		char *p = (char *)thread;
-		memzero(p+KERNEL_STACK_SIZE, KERNEL_STACK_SIZE);
-	}
+	if (thread)
+		memzero(thread, THREAD_SIZE);
 #endif
 	return thread;
 }
@@ -297,7 +294,7 @@ void free_thread_info(struct thread_info *thread)
 		thread_info_head = p;
 		nr_thread_info += 1;
 	} else
-		ll_free_task_struct(thread);
+		free_pages((unsigned long)thread, THREAD_SIZE_ORDER);
 }
 
 /*
@@ -350,7 +347,7 @@ copy_thread(int nr, unsigned long clone_flags, unsigned long stack_start,
 	struct thread_info *thread = p->thread_info;
 	struct pt_regs *childregs;
 
-	childregs = ((struct pt_regs *)((unsigned long)thread + THREAD_SIZE - 8)) - 1;
+	childregs = ((struct pt_regs *)((unsigned long)thread + THREAD_START_SP)) - 1;
 	*childregs = *regs;
 	childregs->ARM_r0 = 0;
 	childregs->ARM_sp = stack_start;
@@ -447,15 +444,17 @@ EXPORT_SYMBOL(kernel_thread);
 unsigned long get_wchan(struct task_struct *p)
 {
 	unsigned long fp, lr;
-	unsigned long stack_page;
+	unsigned long stack_start, stack_end;
 	int count = 0;
 	if (!p || p == current || p->state == TASK_RUNNING)
 		return 0;
 
-	stack_page = 4096 + (unsigned long)p->thread_info;
+	stack_start = (unsigned long)(p->thread_info + 1);
+	stack_end = ((unsigned long)p->thread_info) + THREAD_SIZE;
+
 	fp = thread_saved_fp(p);
 	do {
-		if (fp < stack_page || fp > 4092+stack_page)
+		if (fp < stack_start || fp > stack_end)
 			return 0;
 		lr = pc_pointer (((unsigned long *)fp)[-1]);
 		if (!in_sched_functions(lr))

trunk/arch/arm/kernel/sys_arm.c

@@ -302,7 +302,7 @@ long execve(const char *filename, char **argv, char **envp)
 		"b	ret_to_user"
 		:
 		: "r" (current_thread_info()),
-		  "Ir" (THREAD_SIZE - 8 - sizeof(regs)),
+		  "Ir" (THREAD_START_SP - sizeof(regs)),
 		  "r" (&regs),
 		  "Ir" (sizeof(regs))
 		: "r0", "r1", "r2", "r3", "ip", "memory");

trunk/arch/arm/kernel/traps.c

@@ -218,7 +218,8 @@ NORET_TYPE void die(const char *str, struct pt_regs *regs, int err)
 		tsk->comm, tsk->pid, tsk->thread_info + 1);
 
 	if (!user_mode(regs) || in_interrupt()) {
-		dump_mem("Stack: ", regs->ARM_sp, 8192+(unsigned long)tsk->thread_info);
+		dump_mem("Stack: ", regs->ARM_sp,
+			 THREAD_SIZE + (unsigned long)tsk->thread_info);
 		dump_backtrace(regs, tsk);
 		dump_instr(regs);
 	}

trunk/arch/arm/kernel/vmlinux.lds.S

@@ -5,6 +5,7 @@
 
 #include <asm-generic/vmlinux.lds.h>
 #include <linux/config.h>
+#include <asm/thread_info.h>
 
 OUTPUT_ARCH(arm)
 ENTRY(stext)
@@ -103,7 +104,7 @@ SECTIONS
 	__data_loc = ALIGN(4);		/* location in binary */
 	. = DATAADDR;
 #else
-	. = ALIGN(8192);
+	. = ALIGN(THREAD_SIZE);
 	__data_loc = .;
 #endif
 

trunk/arch/i386/kernel/ptrace.c

@@ -683,18 +683,24 @@ void do_syscall_trace(struct pt_regs *regs, int entryexit)
 	/* do the secure computing check first */
 	secure_computing(regs->orig_eax);
 
-	if (unlikely(current->audit_context) && entryexit)
-		audit_syscall_exit(current, AUDITSC_RESULT(regs->eax), regs->eax);
+	if (unlikely(current->audit_context)) {
+		if (!entryexit)
+			audit_syscall_entry(current, regs->orig_eax,
+					    regs->ebx, regs->ecx,
+					    regs->edx, regs->esi);
+		else
+			audit_syscall_exit(current, regs->eax);
+	}
 
 	if (!(current->ptrace & PT_PTRACED))
-		goto out;
+		return;
 
 	/* Fake a debug trap */
 	if (test_thread_flag(TIF_SINGLESTEP))
 		send_sigtrap(current, regs, 0);
 
 	if (!test_thread_flag(TIF_SYSCALL_TRACE))
-		goto out;
+		return;
 
 	/* the 0x80 provides a way for the tracing parent to distinguish
 	   between a syscall stop and SIGTRAP delivery */
@@ -709,9 +715,4 @@ void do_syscall_trace(struct pt_regs *regs, int entryexit)
 		send_sig(current->exit_code, current, 1);
 		current->exit_code = 0;
 	}
- out:
-	if (unlikely(current->audit_context) && !entryexit)
-		audit_syscall_entry(current, AUDIT_ARCH_I386, regs->orig_eax,
-				    regs->ebx, regs->ecx, regs->edx, regs->esi);
-
 }

trunk/arch/ia64/kernel/ptrace.c

@@ -1596,25 +1596,20 @@ syscall_trace_enter (long arg0, long arg1, long arg2, long arg3,
 		     long arg4, long arg5, long arg6, long arg7,
 		     struct pt_regs regs)
 {
-	if (test_thread_flag(TIF_SYSCALL_TRACE) 
-	    && (current->ptrace & PT_PTRACED))
-		syscall_trace();
+	long syscall;
 
 	if (unlikely(current->audit_context)) {
-		long syscall;
-		int arch;
-
-		if (IS_IA32_PROCESS(&regs)) {
+		if (IS_IA32_PROCESS(&regs))
 			syscall = regs.r1;
-			arch = AUDIT_ARCH_I386;
-		} else {
+		else
 			syscall = regs.r15;
-			arch = AUDIT_ARCH_IA64;
-		}
 
-		audit_syscall_entry(current, arch, syscall, arg0, arg1, arg2, arg3);
+		audit_syscall_entry(current, syscall, arg0, arg1, arg2, arg3);
 	}
 
+	if (test_thread_flag(TIF_SYSCALL_TRACE)
+	    && (current->ptrace & PT_PTRACED))
+		syscall_trace();
 }
 
 /* "asmlinkage" so the input arguments are preserved... */
@@ -1625,7 +1620,7 @@ syscall_trace_leave (long arg0, long arg1, long arg2, long arg3,
 		     struct pt_regs regs)
 {
 	if (unlikely(current->audit_context))
-		audit_syscall_exit(current, AUDITSC_RESULT(regs.r10), regs.r8);
+		audit_syscall_exit(current, regs.r8);
 
 	if (test_thread_flag(TIF_SYSCALL_TRACE)
 	    && (current->ptrace & PT_PTRACED))

trunk/arch/mips/kernel/ptrace.c

@@ -301,38 +301,25 @@ asmlinkage int sys_ptrace(long request, long pid, long addr, long data)
 	return ret;
 }
 
-static inline int audit_arch(void)
-{
-#ifdef CONFIG_CPU_LITTLE_ENDIAN
-#ifdef CONFIG_MIPS64
-	if (!(current->thread.mflags & MF_32BIT_REGS))
-		return AUDIT_ARCH_MIPSEL64;
-#endif /* MIPS64 */
-	return AUDIT_ARCH_MIPSEL;
-
-#else /* big endian... */
-#ifdef CONFIG_MIPS64
-	if (!(current->thread.mflags & MF_32BIT_REGS))
-		return AUDIT_ARCH_MIPS64;
-#endif /* MIPS64 */
-	return AUDIT_ARCH_MIPS;
-
-#endif /* endian */
-}
-
 /*
  * Notification of system call entry/exit
  * - triggered by current->work.syscall_trace
  */
 asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit)
 {
-	if (unlikely(current->audit_context) && entryexit)
-		audit_syscall_exit(current, AUDITSC_RESULT(regs->regs[2]), regs->regs[2]);
+	if (unlikely(current->audit_context)) {
+		if (!entryexit)
+			audit_syscall_entry(current, regs->regs[2],
+			                    regs->regs[4], regs->regs[5],
+			                    regs->regs[6], regs->regs[7]);
+		else
+			audit_syscall_exit(current, regs->regs[2]);
+	}
 
 	if (!test_thread_flag(TIF_SYSCALL_TRACE))
-		goto out;
+		return;
 	if (!(current->ptrace & PT_PTRACED))
-		goto out;
+		return;
 
 	/* The 0x80 provides a way for the tracing parent to distinguish
 	   between a syscall stop and SIGTRAP delivery */
@@ -348,9 +335,4 @@ asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit)
 		send_sig(current->exit_code, current, 1);
 		current->exit_code = 0;
 	}
- out:
-	if (unlikely(current->audit_context) && !entryexit)
-		audit_syscall_entry(current, audit_arch(), regs->regs[2],
-				    regs->regs[4], regs->regs[5],
-				    regs->regs[6], regs->regs[7]);
 }

trunk/arch/ppc64/kernel/ptrace.c

@@ -305,27 +305,22 @@ static void do_syscall_trace(void)
 
 void do_syscall_trace_enter(struct pt_regs *regs)
 {
-	if (test_thread_flag(TIF_SYSCALL_TRACE)
-	    && (current->ptrace & PT_PTRACED))
-		do_syscall_trace();
-
 	if (unlikely(current->audit_context))
-		audit_syscall_entry(current,
-				    test_thread_flag(TIF_32BIT)?AUDIT_ARCH_PPC:AUDIT_ARCH_PPC64,
-				    regs->gpr[0],
+		audit_syscall_entry(current, regs->gpr[0],
 				    regs->gpr[3], regs->gpr[4],
 				    regs->gpr[5], regs->gpr[6]);
 
+	if (test_thread_flag(TIF_SYSCALL_TRACE)
+	    && (current->ptrace & PT_PTRACED))
+		do_syscall_trace();
 }
 
 void do_syscall_trace_leave(struct pt_regs *regs)
 {
 	secure_computing(regs->gpr[0]);
 
 	if (unlikely(current->audit_context))
-		audit_syscall_exit(current, 
-				   (regs->ccr&0x1000)?AUDITSC_FAILURE:AUDITSC_SUCCESS,
-				   regs->result);
+		audit_syscall_exit(current, regs->result);
 
 	if ((test_thread_flag(TIF_SYSCALL_TRACE)
 	     || test_thread_flag(TIF_SINGLESTEP))

trunk/arch/s390/kernel/ptrace.c

@@ -712,13 +712,18 @@ sys_ptrace(long request, long pid, long addr, long data)
 asmlinkage void
 syscall_trace(struct pt_regs *regs, int entryexit)
 {
-	if (unlikely(current->audit_context) && entryexit)
-		audit_syscall_exit(current, AUDITSC_RESULT(regs->gprs[2]), regs->gprs[2]);
-
+	if (unlikely(current->audit_context)) {
+		if (!entryexit)
+			audit_syscall_entry(current, regs->gprs[2],
+					    regs->orig_gpr2, regs->gprs[3],
+					    regs->gprs[4], regs->gprs[5]);
+		else
+			audit_syscall_exit(current, regs->gprs[2]);
+	}
 	if (!test_thread_flag(TIF_SYSCALL_TRACE))
-		goto out;
+		return;
 	if (!(current->ptrace & PT_PTRACED))
-		goto out;
+		return;
 	ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD)
 				 ? 0x80 : 0));
 
@@ -731,10 +736,4 @@ syscall_trace(struct pt_regs *regs, int entryexit)
 		send_sig(current->exit_code, current, 1);
 		current->exit_code = 0;
 	}
- out:
-	if (unlikely(current->audit_context) && !entryexit)
-		audit_syscall_entry(current, 
-				    test_thread_flag(TIF_31BIT)?AUDIT_ARCH_S390:AUDIT_ARCH_S390X,
-				    regs->gprs[2], regs->orig_gpr2, regs->gprs[3],
-				    regs->gprs[4], regs->gprs[5]);
 }

trunk/arch/um/kernel/ptrace.c

@@ -337,18 +337,15 @@ void syscall_trace(union uml_pt_regs *regs, int entryexit)
 
 	if (unlikely(current->audit_context)) {
 		if (!entryexit)
-			audit_syscall_entry(current,
-                                            HOST_AUDIT_ARCH,
-					    UPT_SYSCALL_NR(regs),
-					    UPT_SYSCALL_ARG1(regs),
-					    UPT_SYSCALL_ARG2(regs),
-					    UPT_SYSCALL_ARG3(regs),
-					    UPT_SYSCALL_ARG4(regs));
-		else {
-                        int res = UPT_SYSCALL_RET(regs);
-			audit_syscall_exit(current, AUDITSC_RESULT(res),
-                                           res);
-                }
+			audit_syscall_entry(current, 
+					    UPT_SYSCALL_NR(&regs->regs),
+					    UPT_SYSCALL_ARG1(&regs->regs),
+					    UPT_SYSCALL_ARG2(&regs->regs),
+					    UPT_SYSCALL_ARG3(&regs->regs),
+					    UPT_SYSCALL_ARG4(&regs->regs));
+		else
+			audit_syscall_exit(current, 
+					   UPT_SYSCALL_RET(&regs->regs));
 	}
 
 	/* Fake a debug trap */

trunk/arch/x86_64/kernel/ptrace.c

@@ -635,29 +635,20 @@ asmlinkage void syscall_trace_enter(struct pt_regs *regs)
 	/* do the secure computing check first */
 	secure_computing(regs->orig_rax);
 
+	if (unlikely(current->audit_context))
+		audit_syscall_entry(current, regs->orig_rax,
+				    regs->rdi, regs->rsi,
+				    regs->rdx, regs->r10);
+
 	if (test_thread_flag(TIF_SYSCALL_TRACE)
 	    && (current->ptrace & PT_PTRACED))
 		syscall_trace(regs);
-
-	if (unlikely(current->audit_context)) {
-		if (test_thread_flag(TIF_IA32)) {
-			audit_syscall_entry(current, AUDIT_ARCH_I386,
-					    regs->orig_rax,
-					    regs->rbx, regs->rcx,
-					    regs->rdx, regs->rsi);
-		} else {
-			audit_syscall_entry(current, AUDIT_ARCH_X86_64,
-					    regs->orig_rax,
-					    regs->rdi, regs->rsi,
-					    regs->rdx, regs->r10);
-		}
-	}
 }
 
 asmlinkage void syscall_trace_leave(struct pt_regs *regs)
 {
 	if (unlikely(current->audit_context))
-		audit_syscall_exit(current, AUDITSC_RESULT(regs->rax), regs->rax);
+		audit_syscall_exit(current, regs->rax);
 
 	if ((test_thread_flag(TIF_SYSCALL_TRACE)
 	     || test_thread_flag(TIF_SINGLESTEP))