]> pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - arch/mips/kernel/ptrace.c
Merge master.kernel.org:/pub/scm/linux/kernel/git/davej/agpgart
[linux-2.6-omap-h63xx.git] / arch / mips / kernel / ptrace.c
index f838b36cc765bcbc9ad544701aec14e2ff29c278..9b4733c12395ba59012408249cace1386f30bc84 100644 (file)
@@ -248,10 +248,20 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                        break;
                case FPC_EIR: { /* implementation / version register */
                        unsigned int flags;
+#ifdef CONFIG_MIPS_MT_SMTC
+                       unsigned int irqflags;
+                       unsigned int mtflags;
+#endif /* CONFIG_MIPS_MT_SMTC */
 
                        if (!cpu_has_fpu)
                                break;
 
+#ifdef CONFIG_MIPS_MT_SMTC
+                       /* Read-modify-write of Status must be atomic */
+                       local_irq_save(irqflags);
+                       mtflags = dmt();
+#endif /* CONFIG_MIPS_MT_SMTC */
+
                        preempt_disable();
                        if (cpu_has_mipsmt) {
                                unsigned int vpflags = dvpe();
@@ -266,6 +276,10 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
                                __asm__ __volatile__("cfc1\t%0,$0": "=r" (tmp));
                                write_c0_status(flags);
                        }
+#ifdef CONFIG_MIPS_MT_SMTC
+                       emt(mtflags);
+                       local_irq_restore(irqflags);
+#endif /* CONFIG_MIPS_MT_SMTC */
                        preempt_enable();
                        break;
                }
@@ -469,7 +483,7 @@ static inline int audit_arch(void)
 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]),
+               audit_syscall_exit(AUDITSC_RESULT(regs->regs[2]),
                                   regs->regs[2]);
 
        if (!(current->ptrace & PT_PTRACED))
@@ -493,7 +507,7 @@ asmlinkage void do_syscall_trace(struct pt_regs *regs, int entryexit)
        }
  out:
        if (unlikely(current->audit_context) && !entryexit)
-               audit_syscall_entry(current, audit_arch(), regs->regs[2],
+               audit_syscall_entry(audit_arch(), regs->regs[2],
                                    regs->regs[4], regs->regs[5],
                                    regs->regs[6], regs->regs[7]);
 }