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authorTejun Heo <tj@kernel.org>2010-02-16 15:20:26 +0000
committerDavid S. Miller <davem@davemloft.net>2010-02-16 23:05:38 -0800
commit7d720c3e4f0c4fc152a6bf17e24244a3c85412d2 (patch)
tree36e037187ce79acb211702bea22e99c625787757 /include/net/ip.h
parent2bb4646fce8d09916b351d1a62f98db7cec6fc41 (diff)
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percpu: add __percpu sparse annotations to net
Add __percpu sparse annotations to net. These annotations are to make sparse consider percpu variables to be in a different address space and warn if accessed without going through percpu accessors. This patch doesn't affect normal builds. The macro and type tricks around snmp stats make things a bit interesting. DEFINE/DECLARE_SNMP_STAT() macros mark the target field as __percpu and SNMP_UPD_PO_STATS() macro is updated accordingly. All snmp_mib_*() users which used to cast the argument to (void **) are updated to cast it to (void __percpu **). Signed-off-by: Tejun Heo <tj@kernel.org> Acked-by: David S. Miller <davem@davemloft.net> Cc: Patrick McHardy <kaber@trash.net> Cc: Arnaldo Carvalho de Melo <acme@ghostprotocols.net> Cc: Vlad Yasevich <vladislav.yasevich@hp.com> Cc: netdev@vger.kernel.org Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/ip.h')
-rw-r--r--include/net/ip.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/include/net/ip.h b/include/net/ip.h
index 7bc47873e3f..503994a38ed 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -174,9 +174,9 @@ extern struct ipv4_config ipv4_config;
#define NET_ADD_STATS_BH(net, field, adnd) SNMP_ADD_STATS_BH((net)->mib.net_statistics, field, adnd)
#define NET_ADD_STATS_USER(net, field, adnd) SNMP_ADD_STATS_USER((net)->mib.net_statistics, field, adnd)
-extern unsigned long snmp_fold_field(void *mib[], int offt);
-extern int snmp_mib_init(void *ptr[2], size_t mibsize);
-extern void snmp_mib_free(void *ptr[2]);
+extern unsigned long snmp_fold_field(void __percpu *mib[], int offt);
+extern int snmp_mib_init(void __percpu *ptr[2], size_t mibsize);
+extern void snmp_mib_free(void __percpu *ptr[2]);
extern struct local_ports {
seqlock_t lock;