diff options
| author | K. Y. Srinivasan <kys@microsoft.com> | 2011-05-10 14:55:34 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-05-11 20:49:10 (GMT) |
| commit | 53070793e06f3b643196c68585bf14a16c523fd2 (patch) | |
| tree | 87d97f930b1e3d4459399505a44b68fdb2b57b3f | |
| parent | 66a605438146923a048a2ce071831df2a5f64659 (diff) | |
| download | linux-53070793e06f3b643196c68585bf14a16c523fd2.tar.xz | |
Staging: hv: Cleanup ring_buffer.h
Access to these variables is already serialized via a spin lock. Get
rid of the unnecessary volatile qualifier.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: Abhishek Kane <v-abkane@microsoft.com>
Signed-off-by: Hank Janssen <hjanssen@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
| -rw-r--r-- | drivers/staging/hv/ring_buffer.h | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/staging/hv/ring_buffer.h b/drivers/staging/hv/ring_buffer.h index 1bc0b8a..089c536 100644 --- a/drivers/staging/hv/ring_buffer.h +++ b/drivers/staging/hv/ring_buffer.h @@ -30,12 +30,12 @@ struct hv_ring_buffer { /* Offset in bytes from the start of ring data below */ - volatile u32 write_index; + u32 write_index; /* Offset in bytes from the start of ring data below */ - volatile u32 read_index; + u32 read_index; - volatile u32 interrupt_mask; + u32 interrupt_mask; /* Pad it to PAGE_SIZE so that data starts on page boundary */ u8 reserved[4084]; @@ -45,7 +45,6 @@ struct hv_ring_buffer { * vmbus connection also uses this data structure and its data starts * here, we commented out this field. */ - /* volatile u32 InterruptMask; */ /* * Ring data starts here + RingDataStartOffset |