Input: elan_i2c - export the device id whitelist

[mirror_ubuntu-bionic-kernel.git] / include / linux / u64_stats_sync.h

diff --git a/include/linux/u64_stats_sync.h b/include/linux/u64_stats_sync.h
index 5bdbd9f49395f883ca2dc5aa0d7bbde11f379063..07ee0f84a46caa9e2b1c446f96009f63b3b99f50 100644 (file)
--- a/include/linux/u64_stats_sync.h
+++ b/include/linux/u64_stats_sync.h
@@ -90,6 +90,28 @@ static inline void u64_stats_update_end(struct u64_stats_sync *syncp)
 #endif
 }
 
+static inline unsigned long
+u64_stats_update_begin_irqsave(struct u64_stats_sync *syncp)
+{
+       unsigned long flags = 0;
+
+#if BITS_PER_LONG==32 && defined(CONFIG_SMP)
+       local_irq_save(flags);
+       write_seqcount_begin(&syncp->seq);
+#endif
+       return flags;
+}
+
+static inline void
+u64_stats_update_end_irqrestore(struct u64_stats_sync *syncp,
+                               unsigned long flags)
+{
+#if BITS_PER_LONG==32 && defined(CONFIG_SMP)
+       write_seqcount_end(&syncp->seq);
+       local_irq_restore(flags);
+#endif
+}
+
 static inline void u64_stats_update_begin_raw(struct u64_stats_sync *syncp)
 {
 #if BITS_PER_LONG==32 && defined(CONFIG_SMP)