Merge tag 'v3.15-rc1' into patchwork

Linux 3.15-rc1

* tag 'v3.15-rc1': (12180 commits)
  Linux 3.15-rc1
  mm: Initialize error in shmem_file_aio_read()
  cifs: Use min_t() when comparing "size_t" and "unsigned long"
  sym53c8xx_2: Set DID_REQUEUE return code when aborting squeue
  powerpc: Don't try to set LPCR unless we're in hypervisor mode
  futex: update documentation for ordering guarantees
  ceph: fix pr_fmt() redefinition
  vti: don't allow to add the same tunnel twice
  gre: don't allow to add the same tunnel twice
  drivers: net: xen-netfront: fix array initialization bug
  missing bits of "splice: fix racy pipe->buffers uses"
  cifs: fix the race in cifs_writev()
  ceph_sync_{,direct_}write: fix an oops on ceph_osdc_new_request() failure
  pktgen: be friendly to LLTX devices
  r8152: check RTL8152_UNPLUG
  net: sun4i-emac: add promiscuous support
  net/apne: replace IS_ERR and PTR_ERR with PTR_ERR_OR_ZERO
  blackfin: cleanup board files
  bf609: clock: drop unused clock bit set/clear functions
  Blackfin: bf537: rename "CONFIG_ADT75"
  ...

1 files changed, 12 insertions, 6 deletions

diff --git a/kernel/module.c b/kernel/module.c
index d24fcf29cb64..11869408f79b 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -640,7 +640,7 @@ static int module_unload_init(struct module *mod)
         INIT_LIST_HEAD(&mod->target_list);
 
         /* Hold reference count during initialization. */
-        __this_cpu_write(mod->refptr->incs, 1);
+        raw_cpu_write(mod->refptr->incs, 1);
 
         return 0;
 }
@@ -1013,9 +1013,11 @@ static size_t module_flags_taint(struct module *mod, char *buf)
                 buf[l++] = 'F';
         if (mod->taints & (1 << TAINT_CRAP))
                 buf[l++] = 'C';
+        if (mod->taints & (1 << TAINT_UNSIGNED_MODULE))
+                buf[l++] = 'E';
         /*
          * TAINT_FORCED_RMMOD: could be added.
-         * TAINT_UNSAFE_SMP, TAINT_MACHINE_CHECK, TAINT_BAD_PAGE don't
+         * TAINT_CPU_OUT_OF_SPEC, TAINT_MACHINE_CHECK, TAINT_BAD_PAGE don't
          * apply to modules.
          */
         return l;
@@ -1948,6 +1950,10 @@ static int simplify_symbols(struct module *mod, const struct load_info *info)
 
                 switch (sym[i].st_shndx) {
                 case SHN_COMMON:
+                        /* Ignore common symbols */
+                        if (!strncmp(name, "__gnu_lto", 9))
+                                break;
+
                         /* We compiled with -fno-common.  These are not
                            supposed to happen.  */
                         pr_debug("Common symbol: %s\n", name);
@@ -3214,7 +3220,7 @@ static int load_module(struct load_info *info, const char __user *uargs,
                 pr_notice_once("%s: module verification failed: signature "
                                "and/or  required key missing - tainting "
                                "kernel\n", mod->name);
-                add_taint_module(mod, TAINT_FORCED_MODULE, LOCKDEP_STILL_OK);
+                add_taint_module(mod, TAINT_UNSIGNED_MODULE, LOCKDEP_STILL_OK);
         }
 #endif
 
@@ -3809,12 +3815,12 @@ void print_modules(void)
         list_for_each_entry_rcu(mod, &modules, list) {
                 if (mod->state == MODULE_STATE_UNFORMED)
                         continue;
-                printk(" %s%s", mod->name, module_flags(mod, buf));
+                pr_cont(" %s%s", mod->name, module_flags(mod, buf));
         }
         preempt_enable();
         if (last_unloaded_module[0])
-                printk(" [last unloaded: %s]", last_unloaded_module);
-        printk("\n");
+                pr_cont(" [last unloaded: %s]", last_unloaded_module);
+        pr_cont("\n");
 }
 
 #ifdef CONFIG_MODVERSIONS