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| author | Julian Wiedmann <jwi@linux.ibm.com> | 2020-06-02 15:26:36 +0300 |
|---|---|---|
| committer | Vasily Gorbik <gor@linux.ibm.com> | 2020-06-18 00:05:05 +0300 |
| commit | c920c545286270302d29fd63c05c3bd84828daee (patch) | |
| tree | a046464a6845636db134cf0ad93462592ced3618 /include/linux/overflow.h | |
| parent | 3d6c6f20d961209972a075ddc50b9a7207e9796e (diff) | |
| download | linux-c920c545286270302d29fd63c05c3bd84828daee.tar.xz | |
s390/qdio: warn about unexpected SLSB states
The way we produce SBALs to the device (first update q->nr_buf_used,
then update the SLSB) should ensure that we never see some of the
SLSB states when scanning the queue for progress.
So make some noise if we do, this implies a bug in our SBAL tracking.
Also tweak the WARN msg to provide more information.
Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Diffstat (limited to 'include/linux/overflow.h')
0 files changed, 0 insertions, 0 deletions