um: kill HOST_TASK_PID

just provide get_current_pid() to the userland side of things
instead of get_current() + manual poking in its results

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>

1 files changed, 1 insertions, 3 deletions

diff --git a/arch/x86/um/bugs_32.c b/arch/x86/um/bugs_32.c
index a1fba5fb9dbe..17d88cf2c6c4 100644
--- a/arch/x86/um/bugs_32.c
+++ b/arch/x86/um/bugs_32.c
@@ -13,8 +13,6 @@
 static int host_has_cmov = 1;
 static jmp_buf cmov_test_return;
 
-#define TASK_PID(task) *((int *) &(((char *) (task))[HOST_TASK_PID]))
-
 static void cmov_sigill_test_handler(int sig)
 {
         host_has_cmov = 0;
@@ -51,7 +49,7 @@ void arch_examine_signal(int sig, struct uml_pt_regs *regs)
          * This is testing for a cmov (0x0f 0x4x) instruction causing a
          * SIGILL in init.
          */
-        if ((sig != SIGILL) || (TASK_PID(get_current()) != 1))
+        if ((sig != SIGILL) || (get_current_pid() != 1))
                 return;
 
         if (copy_from_user_proc(tmp, (void *) UPT_IP(regs), 2)) {