These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / misc / sgi-gru / grumain.c

diff --git a/kernel/drivers/misc/sgi-gru/grumain.c b/kernel/drivers/misc/sgi-gru/grumain.c
index ae16c8c..1525870 100644 (file)
--- a/kernel/drivers/misc/sgi-gru/grumain.c
+++ b/kernel/drivers/misc/sgi-gru/grumain.c
@@ -930,6 +930,7 @@ int gru_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
 {
        struct gru_thread_state *gts;
        unsigned long paddr, vaddr;
+       unsigned long expires;
 
        vaddr = (unsigned long)vmf->virtual_address;
        gru_dbg(grudev, "vma %p, vaddr 0x%lx (0x%lx)\n",
@@ -954,7 +955,8 @@ again:
                        mutex_unlock(&gts->ts_ctxlock);
                        set_current_state(TASK_INTERRUPTIBLE);
                        schedule_timeout(GRU_ASSIGN_DELAY);  /* true hack ZZZ */
-                       if (gts->ts_steal_jiffies + GRU_STEAL_DELAY < jiffies)
+                       expires = gts->ts_steal_jiffies + GRU_STEAL_DELAY;
+                       if (time_before(expires, jiffies))
                                gru_steal_context(gts);
                        goto again;
                }