From 6e47dd3e2938f41d75045bbcb64aa9df3a463b2a Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Sat, 11 Feb 2017 23:02:23 -0700 Subject: vmbus: expose hv_begin/end_read In order to implement NAPI in netvsc, the driver needs access to control host interrupt mask. Signed-off-by: Stephen Hemminger Signed-off-by: K. Y. Srinivasan Signed-off-by: Greg Kroah-Hartman --- drivers/hv/ring_buffer.c | 20 -------------------- 1 file changed, 20 deletions(-) (limited to 'drivers/hv/ring_buffer.c') diff --git a/drivers/hv/ring_buffer.c b/drivers/hv/ring_buffer.c index 1a1e70a45146..75c9eefd55b5 100644 --- a/drivers/hv/ring_buffer.c +++ b/drivers/hv/ring_buffer.c @@ -32,26 +32,6 @@ #include "hyperv_vmbus.h" -void hv_begin_read(struct hv_ring_buffer_info *rbi) -{ - rbi->ring_buffer->interrupt_mask = 1; - virt_mb(); -} - -u32 hv_end_read(struct hv_ring_buffer_info *rbi) -{ - - rbi->ring_buffer->interrupt_mask = 0; - virt_mb(); - - /* - * Now check to see if the ring buffer is still empty. - * If it is not, we raced and we need to process new - * incoming messages. - */ - return hv_get_bytes_to_read(rbi); -} - /* * When we write to the ring buffer, check if the host needs to * be signaled. Here is the details of this protocol: -- cgit v1.2.3