Author: sephe
Date: Tue Apr 26 04:48:57 2016
New Revision: 298613
URL: https://svnweb.freebsd.org/changeset/base/298613
Log:
hyperv/stor: Remove the useless hs_open_multi_channel
This fixes the sub-channel offer race after Hyper-V device probe/attach
is moved to vmbus SYSINIT/attach.
MFC after: 1 week
Sponsored by: Microsoft OSTC
Modified:
head/sys/dev/hyperv/storvsc/hv_storvsc_drv_freebsd.c
Modified: head/sys/dev/hyperv/storvsc/hv_storvsc_drv_freebsd.c
==============================================================================
--- head/sys/dev/hyperv/storvsc/hv_storvsc_drv_freebsd.c Tue Apr 26
04:40:59 2016 (r298612)
+++ head/sys/dev/hyperv/storvsc/hv_storvsc_drv_freebsd.c Tue Apr 26
04:48:57 2016 (r298613)
@@ -140,7 +140,6 @@ struct storvsc_softc {
uint32_t hs_num_out_reqs;
boolean_t hs_destroy;
boolean_t hs_drain_notify;
- boolean_t hs_open_multi_channel;
struct sema hs_drain_sema;
struct hv_storvsc_request hs_init_req;
struct hv_storvsc_request hs_reset_req;
@@ -336,9 +335,6 @@ storvsc_handle_sc_creation(void *context
if (sc == NULL)
return;
- if (FALSE == sc->hs_open_multi_channel)
- return;
-
memset(&props, 0, sizeof(props));
ret = hv_vmbus_channel_open(new_channel,
@@ -417,8 +413,6 @@ storvsc_send_multichannel_request(struct
return;
}
- sc->hs_open_multi_channel = TRUE;
-
if (bootverbose)
printf("Storvsc create multi-channel success!\n");
}
@@ -1034,7 +1028,6 @@ storvsc_attach(device_t dev)
sc->hs_destroy = FALSE;
sc->hs_drain_notify = FALSE;
- sc->hs_open_multi_channel = FALSE;
sema_init(&sc->hs_drain_sema, 0, "Store Drain Sema");
ret = hv_storvsc_connect_vsp(hv_dev);
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