diff options
| -rw-r--r-- | arch/x86/include/uapi/asm/hyperv.h | 2 | ||||
| -rw-r--r-- | drivers/hv/connection.c | 11 |
2 files changed, 11 insertions, 2 deletions
diff --git a/arch/x86/include/uapi/asm/hyperv.h b/arch/x86/include/uapi/asm/hyperv.h index 90c458e66e13..ce6068dbcfbc 100644 --- a/arch/x86/include/uapi/asm/hyperv.h +++ b/arch/x86/include/uapi/asm/hyperv.h @@ -225,6 +225,8 @@ #define HV_STATUS_INVALID_HYPERCALL_CODE 2 #define HV_STATUS_INVALID_HYPERCALL_INPUT 3 #define HV_STATUS_INVALID_ALIGNMENT 4 +#define HV_STATUS_INSUFFICIENT_MEMORY 11 +#define HV_STATUS_INVALID_CONNECTION_ID 18 #define HV_STATUS_INSUFFICIENT_BUFFERS 19 typedef struct _HV_REFERENCE_TSC_PAGE { diff --git a/drivers/hv/connection.c b/drivers/hv/connection.c index c4acd1ce7c0c..af2388fdc6b9 100644 --- a/drivers/hv/connection.c +++ b/drivers/hv/connection.c @@ -440,9 +440,16 @@ int vmbus_post_msg(void *buffer, size_t buflen) ret = hv_post_message(conn_id, 1, buffer, buflen); switch (ret) { + case HV_STATUS_INVALID_CONNECTION_ID: + /* + * We could get this if we send messages too + * frequently. + */ + ret = -EAGAIN; + break; + case HV_STATUS_INSUFFICIENT_MEMORY: case HV_STATUS_INSUFFICIENT_BUFFERS: ret = -ENOMEM; - case -ENOMEM: break; case HV_STATUS_SUCCESS: return ret; @@ -452,7 +459,7 @@ int vmbus_post_msg(void *buffer, size_t buflen) } retries++; - msleep(100); + msleep(1000); } return ret; } |
