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vmbus: change to per channel tasklet

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Make the event handling tasklet per channel rather than per-cpu.
This allows for better fairness when getting lots of data on the same
cpu.

Signed-off-by: Stephen Hemminger <sthemmin@microsoft.com>
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Stephen Hemminger 2017-02-11 23:02:20 -07:00 • committed by Greg Kroah-Hartman
parent 37cdd991fa
commit 631e63a9f3
7 changed files with 64 additions and 96 deletions
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3
include/linux/hyperv.h
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@ -35,7 +35,7 @@
#include <linux/completion.h>
#include <linux/device.h>
#include <linux/mod_devicetable.h>
#include <linux/interrupt.h>
#define MAX_PAGE_BUFFER_COUNT 32
#define MAX_MULTIPAGE_BUFFER_COUNT 32 /* 128K */
@ -743,6 +743,7 @@ struct vmbus_channel {
struct vmbus_close_msg close_msg;
/* Channel callback's invoked in softirq context */
struct tasklet_struct callback_event;
void (*onchannel_callback)(void *context);
void *channel_callback_context;