ACPI: DPTF: Add PCH FIVR participant driver

[linux-2.6-microblaze.git] / kernel / events / callchain.c

diff --git a/kernel/events/callchain.c b/kernel/events/callchain.c
index c6ce894..58cbe35 100644 (file)
--- a/kernel/events/callchain.c
+++ b/kernel/events/callchain.c
@@ -217,10 +217,9 @@ get_perf_callchain(struct pt_regs *regs, u32 init_nr, bool kernel, bool user,
                        if (add_mark)
                                perf_callchain_store_context(&ctx, PERF_CONTEXT_USER);
 
-                       fs = get_fs();
-                       set_fs(USER_DS);
+                       fs = force_uaccess_begin();
                        perf_callchain_user(&ctx, regs);
-                       set_fs(fs);
+                       force_uaccess_end(fs);
                }
        }