[IA64] Missing check for TIF_WORK if trace/audit enabled

It appears that if auditing is enabled, the kernel fails to
check for pending signals before returning to user mode.

Signed-off-by: Jack Steiner <steiner@sgi.com>
Acked-by: Ken Chen <kenneth.w.chen@intel.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>

diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index 27b222c..930fdfc 100644 (file)
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -569,7 +569,9 @@ GLOBAL_ENTRY(ia64_trace_syscall)
 .mem.offset 0,0; st8.spill [r2]=r8             // store return value in slot for r8
 .mem.offset 8,0; st8.spill [r3]=r10            // clear error indication in slot for r10
        br.call.sptk.many rp=syscall_trace_leave // give parent a chance to catch return value
-.ret3: br.cond.sptk .work_pending_syscall_end
+.ret3:
+(pUStk)        cmp.eq.unc p6,p0=r0,r0                  // p6 <- pUStk
+       br.cond.sptk .work_pending_syscall_end
 
 strace_error:
        ld8 r3=[r2]                             // load pt_regs.r8