diff options
| author | James Smart <[email protected]> | 2021-09-21 07:30:08 -0700 |
|---|---|---|
| committer | Martin K. Petersen <[email protected]> | 2021-09-22 00:22:12 -0400 |
| commit | efe1dc571a5b808baa26682eef16561be2e356fd (patch) | |
| tree | 9e48c40426b87794c2cd1834ef8aaa42c062990b /tools/perf/scripts | |
| parent | cbd9a3347c757383f3d2b50cf7cfd03eb479c481 (diff) | |
scsi: lpfc: Fix mailbox command failure during driver initialization
Contention for the mailbox interface may occur during driver initialization
(immediately after a function reset), between mailbox commands initiated
via ioctl (bsg) and those driver requested by the driver.
After setting SLI_ACTIVE flag for a port, there is a window in which the
driver will allow an ioctl to be initiated while the adapter is
initializing and issuing mailbox commands via polling. The polling logic
then gets confused.
Correct by having thread setting SLI_ACTIVE spot an active mailbox command
and allow it complete before proceeding.
Link: https://lore.kernel.org/r/[email protected]
Co-developed-by: Nigel Kirkland <[email protected]>
Signed-off-by: Nigel Kirkland <[email protected]>
Signed-off-by: James Smart <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
Diffstat (limited to 'tools/perf/scripts')
0 files changed, 0 insertions, 0 deletions