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author | Eric Farman <farman@linux.ibm.com> | 2019-05-15 01:42:43 +0200 |
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committer | Cornelia Huck <cohuck@redhat.com> | 2019-06-03 12:02:55 +0200 |
commit | 4e31d6aecfbbe63cf09b8fe48572d20d2062c406 (patch) | |
tree | b94b89dd94a3baf03007a75e187bd0cd17573a41 /drivers/s390/cio/chp.h | |
parent | s390/cio: Update SCSW if it points to the end of the chain (diff) | |
download | linux-dev-4e31d6aecfbbe63cf09b8fe48572d20d2062c406.tar.xz linux-dev-4e31d6aecfbbe63cf09b8fe48572d20d2062c406.zip |
s390/cio: Set vfio-ccw FSM state before ioeventfd
Otherwise, the guest can believe it's okay to start another I/O
and bump into the non-idle state. This results in a cc=2 (with
the asynchronous CSCH/HSCH code) returned to the guest, which is
unfortunate since everything is otherwise working normally.
Signed-off-by: Eric Farman <farman@linux.ibm.com>
Reviewed-by: Pierre Morel <pmorel@linux.ibm.com>
Message-Id: <20190514234248.36203-3-farman@linux.ibm.com>
Reviewed-by: Farhan Ali <alifm@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Diffstat (limited to 'drivers/s390/cio/chp.h')
0 files changed, 0 insertions, 0 deletions