upgrade to linux 2.6.10-1.12_FC2

[linux-2.6.git] / arch / x86_64 / kernel / ptrace.c

diff --git a/arch/x86_64/kernel/ptrace.c b/arch/x86_64/kernel/ptrace.c
index 54353e5..98f9c2e 100644 (file)
--- a/arch/x86_64/kernel/ptrace.c
+++ b/arch/x86_64/kernel/ptrace.c
@@ -325,6 +325,8 @@ asmlinkage long sys_ptrace(long request, long pid, unsigned long addr, long data
                        ret = 0;
                        break;
                case offsetof(struct user, u_debugreg[7]):
+                       /* See arch/i386/kernel/ptrace.c for an explanation of
+                        * this awkward check.*/
                                  data &= ~DR_CONTROL_RESERVED;
                                  for(i=0; i<4; i++)
                                          if ((0x5454 >> ((data >> (16 + 4*i)) & 0xf)) & 1)