Pull acpica into release branch

[pandora-kernel.git] / arch / sparc64 / kernel / ptrace.c

diff --git a/arch/sparc64/kernel/ptrace.c b/arch/sparc64/kernel/ptrace.c
index 3e4077c..d31975e 100644 (file)
--- a/arch/sparc64/kernel/ptrace.c
+++ b/arch/sparc64/kernel/ptrace.c
@@ -124,6 +124,9 @@ void flush_ptrace_access(struct vm_area_struct *vma, struct page *page,
 {
        BUG_ON(len > PAGE_SIZE);
 
+       if (tlb_type == hypervisor)
+               return;
+
 #ifdef DCACHE_ALIASING_POSSIBLE
        /* If bit 13 of the kernel address we used to access the
         * user page is the same as the virtual address that page
@@ -241,6 +244,13 @@ asmlinkage void do_ptrace(struct pt_regs *regs)
        }
 
        switch(request) {
+       case PTRACE_PEEKUSR:
+               if (addr != 0)
+                       pt_error_return(regs, EIO);
+               else
+                       pt_succ_return(regs, 0);
+               goto out_tsk;
+
        case PTRACE_PEEKTEXT: /* read word at location addr. */ 
        case PTRACE_PEEKDATA: {
                unsigned long tmp64;
@@ -296,7 +306,7 @@ asmlinkage void do_ptrace(struct pt_regs *regs)
        case PTRACE_GETREGS: {
                struct pt_regs32 __user *pregs =
                        (struct pt_regs32 __user *) addr;
-               struct pt_regs *cregs = child->thread_info->kregs;
+               struct pt_regs *cregs = task_pt_regs(child);
                int rval;
 
                if (__put_user(tstate_to_psr(cregs->tstate), (&pregs->psr)) ||
@@ -320,7 +330,7 @@ asmlinkage void do_ptrace(struct pt_regs *regs)
 
        case PTRACE_GETREGS64: {
                struct pt_regs __user *pregs = (struct pt_regs __user *) addr;
-               struct pt_regs *cregs = child->thread_info->kregs;
+               struct pt_regs *cregs = task_pt_regs(child);
                unsigned long tpc = cregs->tpc;
                int rval;
 
@@ -348,7 +358,7 @@ asmlinkage void do_ptrace(struct pt_regs *regs)
        case PTRACE_SETREGS: {
                struct pt_regs32 __user *pregs =
                        (struct pt_regs32 __user *) addr;
-               struct pt_regs *cregs = child->thread_info->kregs;
+               struct pt_regs *cregs = task_pt_regs(child);
                unsigned int psr, pc, npc, y;
                int i;
 
@@ -381,7 +391,7 @@ asmlinkage void do_ptrace(struct pt_regs *regs)
 
        case PTRACE_SETREGS64: {
                struct pt_regs __user *pregs = (struct pt_regs __user *) addr;
-               struct pt_regs *cregs = child->thread_info->kregs;
+               struct pt_regs *cregs = task_pt_regs(child);
                unsigned long tstate, tpc, tnpc, y;
                int i;
 
@@ -562,8 +572,8 @@ asmlinkage void do_ptrace(struct pt_regs *regs)
 #ifdef DEBUG_PTRACE
                printk("CONT: %s [%d]: set exit_code = %x %lx %lx\n", child->comm,
                        child->pid, child->exit_code,
-                       child->thread_info->kregs->tpc,
-                       child->thread_info->kregs->tnpc);
+                       task_pt_regs(child)->tpc,
+                       task_pt_regs(child)->tnpc);
                       
 #endif
                wake_up_process(child);
@@ -599,6 +609,22 @@ asmlinkage void do_ptrace(struct pt_regs *regs)
 
        /* PTRACE_DUMPCORE unsupported... */
 
+       case PTRACE_GETEVENTMSG: {
+               int err;
+
+               if (test_thread_flag(TIF_32BIT))
+                       err = put_user(child->ptrace_message,
+                                      (unsigned int __user *) data);
+               else
+                       err = put_user(child->ptrace_message,
+                                      (unsigned long __user *) data);
+               if (err)
+                       pt_error_return(regs, -err);
+               else
+                       pt_succ_return(regs, 0);
+               break;
+       }
+
        default: {
                int err = ptrace_request(child, request, addr, data);
                if (err)
@@ -627,7 +653,7 @@ asmlinkage void syscall_trace(struct pt_regs *regs, int syscall_exit_p)
                if (unlikely(tstate & (TSTATE_XCARRY | TSTATE_ICARRY)))
                        result = AUDITSC_FAILURE;
 
-               audit_syscall_exit(current, result, regs->u_regs[UREG_I0]);
+               audit_syscall_exit(result, regs->u_regs[UREG_I0]);
        }
 
        if (!(current->ptrace & PT_PTRACED))
@@ -651,8 +677,7 @@ asmlinkage void syscall_trace(struct pt_regs *regs, int syscall_exit_p)
 
 out:
        if (unlikely(current->audit_context) && !syscall_exit_p)
-               audit_syscall_entry(current,
-                                   (test_thread_flag(TIF_32BIT) ?
+               audit_syscall_entry((test_thread_flag(TIF_32BIT) ?
                                     AUDIT_ARCH_SPARC :
                                     AUDIT_ARCH_SPARC64),
                                    regs->u_regs[UREG_G1],