Merge branch 'for-3.5-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj...

[firefly-linux-kernel-4.4.55.git] / arch / arm / kernel / entry-common.S

diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S
index 7bd2d3cb8957d2aeb6ba85baa2a5f6be49c1d3b8..4afed88d250a6f6127a8a42a7a3462394b078bfc 100644 (file)
--- a/arch/arm/kernel/entry-common.S
+++ b/arch/arm/kernel/entry-common.S
@@ -53,9 +53,13 @@ fast_work_pending:
 work_pending:
        tst     r1, #_TIF_NEED_RESCHED
        bne     work_resched
-       tst     r1, #_TIF_SIGPENDING|_TIF_NOTIFY_RESUME
-       beq     no_work_pending
+       /*
+        * TIF_SIGPENDING or TIF_NOTIFY_RESUME must've been set if we got here
+        */
+       ldr     r2, [sp, #S_PSR]
        mov     r0, sp                          @ 'regs'
+       tst     r2, #15                         @ are we returning to user mode?
+       bne     no_work_pending                 @ no?  just leave, then...
        mov     r2, why                         @ 'syscall'
        tst     r1, #_TIF_SIGPENDING            @ delivering a signal?
        movne   why, #0                         @ prevent further restarts