ia64: can't reach do_signal() when returning to kernel mode
authorAl Viro <viro@zeniv.linux.org.uk>
Tue, 1 May 2012 22:37:16 +0000 (18:37 -0400)
committerAl Viro <viro@zeniv.linux.org.uk>
Mon, 1 Oct 2012 13:58:10 +0000 (09:58 -0400)
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
arch/ia64/kernel/signal.c

index a199be1fe619bc12d00a9e87198b6f919a9f2c74..19f89c09d40d756fe52a67978ab228c79e285f2d 100644 (file)
@@ -437,14 +437,6 @@ ia64_do_signal (struct sigscratch *scr, long in_syscall)
        long restart = in_syscall;
        long errno = scr->pt.r8;
 
-       /*
-        * In the ia64_leave_kernel code path, we want the common case to go fast, which
-        * is why we may in certain cases get here from kernel mode. Just return without
-        * doing anything if so.
-        */
-       if (!user_mode(&scr->pt))
-               return;
-
        /*
         * This only loops in the rare cases of handle_signal() failing, in which case we
         * need to push through a forced SIGSEGV.