Merge branch 'for-linus2' of git://git.kernel.org/pub/scm/linux/kernel/git/vegard/kmemcheck

* 'for-linus2' of git://git.kernel.org/pub/scm/linux/kernel/git/vegard/kmemcheck: (39 commits)
  signal: fix __send_signal() false positive kmemcheck warning
  fs: fix do_mount_root() false positive kmemcheck warning
  fs: introduce __getname_gfp()
  trace: annotate bitfields in struct ring_buffer_event
  net: annotate struct sock bitfield
  c2port: annotate bitfield for kmemcheck
  net: annotate inet_timewait_sock bitfields
  ieee1394/csr1212: fix false positive kmemcheck report
  ieee1394: annotate bitfield
  net: annotate bitfields in struct inet_sock
  net: use kmemcheck bitfields API for skbuff
  kmemcheck: introduce bitfield API
  kmemcheck: add opcode self-testing at boot
  x86: unify pte_hidden
  x86: make _PAGE_HIDDEN conditional
  kmemcheck: make kconfig accessible for other architectures
  kmemcheck: enable in the x86 Kconfig
  kmemcheck: add hooks for the page allocator
  kmemcheck: add hooks for page- and sg-dma-mappings
  kmemcheck: don't track page tables
  ...

3 files changed, 16 insertions, 5 deletions

diff --git a/include/net/inet_sock.h b/include/net/inet_sock.h
index 20a6957af870..47004f35cc7e 100644
--- a/include/net/inet_sock.h
+++ b/include/net/inet_sock.h
@@ -17,6 +17,7 @@
 #define _INET_SOCK_H
 
 
+#include <linux/kmemcheck.h>
 #include <linux/string.h>
 #include <linux/types.h>
 #include <linux/jhash.h>
@@ -66,14 +67,16 @@ struct inet_request_sock {
         __be32                  loc_addr;
         __be32                  rmt_addr;
         __be16                  rmt_port;
-        u16                     snd_wscale : 4, 
-                                rcv_wscale : 4, 
+        kmemcheck_bitfield_begin(flags);
+        u16                     snd_wscale : 4,
+                                rcv_wscale : 4,
                                 tstamp_ok  : 1,
                                 sack_ok    : 1,
                                 wscale_ok  : 1,
                                 ecn_ok     : 1,
                                 acked      : 1,
                                 no_srccheck: 1;
+        kmemcheck_bitfield_end(flags);
         struct ip_options       *opt;
 };
 
@@ -199,9 +202,12 @@ static inline int inet_sk_ehashfn(const struct sock *sk)
 static inline struct request_sock *inet_reqsk_alloc(struct request_sock_ops *ops)
 {
         struct request_sock *req = reqsk_alloc(ops);
+        struct inet_request_sock *ireq = inet_rsk(req);
 
-        if (req != NULL)
-                inet_rsk(req)->opt = NULL;
+        if (req != NULL) {
+                kmemcheck_annotate_bitfield(ireq, flags);
+                ireq->opt = NULL;
+        }
 
         return req;
 }
diff --git a/include/net/inet_timewait_sock.h b/include/net/inet_timewait_sock.h
index 4b8ece22b8e9..b63b80fac567 100644
--- a/include/net/inet_timewait_sock.h
+++ b/include/net/inet_timewait_sock.h
@@ -16,6 +16,7 @@
 #define _INET_TIMEWAIT_SOCK_
 
 
+#include <linux/kmemcheck.h>
 #include <linux/list.h>
 #include <linux/module.h>
 #include <linux/timer.h>
@@ -127,10 +128,12 @@ struct inet_timewait_sock {
         __be32                  tw_rcv_saddr;
         __be16                  tw_dport;
         __u16                   tw_num;
+        kmemcheck_bitfield_begin(flags);
         /* And these are ours. */
         __u8                    tw_ipv6only:1,
                                 tw_transparent:1;
-        /* 15 bits hole, try to pack */
+        /* 14 bits hole, try to pack */
+        kmemcheck_bitfield_end(flags);
         __u16                   tw_ipv6_offset;
         unsigned long           tw_ttd;
         struct inet_bind_bucket *tw_tb;
diff --git a/include/net/sock.h b/include/net/sock.h
index 010e14a93c92..95bd3fd75f94 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -218,9 +218,11 @@ struct sock {
 #define sk_hash                 __sk_common.skc_hash
 #define sk_prot                 __sk_common.skc_prot
 #define sk_net                  __sk_common.skc_net
+        kmemcheck_bitfield_begin(flags);
         unsigned char           sk_shutdown : 2,
                                 sk_no_check : 2,
                                 sk_userlocks : 4;
+        kmemcheck_bitfield_end(flags);
         unsigned char           sk_protocol;
         unsigned short          sk_type;
         int                     sk_rcvbuf;