]> www.infradead.org Git - users/willy/linux.git/commitdiff
fs/: remove caller signal_pending branch predictions
authorDavidlohr Bueso <dave@stgolabs.net>
Wed, 5 Dec 2018 00:14:26 +0000 (11:14 +1100)
committerStephen Rothwell <sfr@canb.auug.org.au>
Mon, 10 Dec 2018 08:29:18 +0000 (19:29 +1100)
This is already done for us internally by the signal machinery.

Link: http://lkml.kernel.org/r/20181116002713.8474-7-dave@stgolabs.net
Signed-off-by: Davidlohr Bueso <dave@stgolabs.net>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
fs/afs/fs_probe.c
fs/afs/vl_probe.c
fs/buffer.c
fs/exec.c
fs/orangefs/orangefs-bufmap.c

index fde6b4d4121e38532ea9ade21feb40b0a2bd09c6..3a9eaec06756998875f94a474bd6a75cb1ef5cf3 100644 (file)
@@ -247,7 +247,7 @@ int afs_wait_for_fs_probes(struct afs_server_list *slist, unsigned long untried)
                        }
                }
 
-               if (!still_probing || unlikely(signal_pending(current)))
+               if (!still_probing || signal_pending(current))
                        goto stop;
                schedule();
        }
index f0b032976487cd5bde632b171ebaf858eb11a52c..f402ee8171a1d7cda8b8da05253408003c7f29f7 100644 (file)
@@ -248,7 +248,7 @@ int afs_wait_for_vl_probes(struct afs_vlserver_list *vllist,
                        }
                }
 
-               if (!still_probing || unlikely(signal_pending(current)))
+               if (!still_probing || signal_pending(current))
                        goto stop;
                schedule();
        }
index 401fb477015d241003237dc4897ef02da37433dc..803f9d75162c9026f4dd72c4ea94985382f42dfd 100644 (file)
@@ -2397,7 +2397,7 @@ static int cont_expand_zero(struct file *file, struct address_space *mapping,
 
                balance_dirty_pages_ratelimited(mapping);
 
-               if (unlikely(fatal_signal_pending(current))) {
+               if (fatal_signal_pending(current))) {
                        err = -EINTR;
                        goto out;
                }
index ea7d439cf79efe95b9132185ae417b1b9d08efe9..44320d893f1a38db0a37364a997c81b714cbebe6 100644 (file)
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1087,7 +1087,7 @@ static int de_thread(struct task_struct *tsk)
                __set_current_state(TASK_KILLABLE);
                spin_unlock_irq(lock);
                schedule();
-               if (unlikely(__fatal_signal_pending(tsk)))
+               if (__fatal_signal_pending(tsk))
                        goto killed;
                spin_lock_irq(lock);
        }
@@ -1115,7 +1115,7 @@ static int de_thread(struct task_struct *tsk)
                        write_unlock_irq(&tasklist_lock);
                        cgroup_threadgroup_change_end(tsk);
                        schedule();
-                       if (unlikely(__fatal_signal_pending(tsk)))
+                       if (__fatal_signal_pending(tsk))
                                goto killed;
                }
 
index c4e98c9c16217b85c6b97afc8e829130205cfede..443bcd8c3c1991d2d9160ef3a94622b283e8b349 100644 (file)
@@ -105,7 +105,7 @@ static int wait_for_free(struct slot_map *m)
                        left = t;
                else
                        left = t + (left - n);
-               if (unlikely(signal_pending(current)))
+               if (signal_pending(current))
                        left = -EINTR;
        } while (left > 0);