diff options
| author | Sukadev Bhattiprolu <sukadev@linux.ibm.com> | 2022-01-21 18:59:20 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2022-01-24 12:05:03 +0000 |
| commit | 48079e7fdd0269d66b1d7d66ae88bd03162464ad (patch) | |
| tree | 726ccdf02ce36ad1a629844187a2f213d6fb46dd /kernel/bpf/arraymap.c | |
| parent | 151b6a5c06b678687f64f2d9a99fd04d5cd32b72 (diff) | |
ibmvnic: don't spin in tasklet
ibmvnic_tasklet() continuously spins waiting for responses to all
capability requests. It does this to avoid encountering an error
during initialization of the vnic. However if there is a bug in the
VIOS and we do not receive a response to one or more queries the
tasklet ends up spinning continuously leading to hard lock ups.
If we fail to receive a message from the VIOS it is reasonable to
timeout the login attempt rather than spin indefinitely in the tasklet.
Fixes: 249168ad07cd ("ibmvnic: Make CRQ interrupt tasklet wait for all capabilities crqs")
Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.ibm.com>
Reviewed-by: Dany Madden <drt@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'kernel/bpf/arraymap.c')
0 files changed, 0 insertions, 0 deletions