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authorVineeth Vijayan <vneethv@linux.ibm.com>2021-06-29 09:38:22 +0200
committerHeiko Carstens <hca@linux.ibm.com>2021-12-06 14:42:24 +0100
commita84d1c5006b56166dac477e922643ede01cdbb92 (patch)
tree0daff9dacc91786c9c17442677fdb02872b35657 /certs
parents390/crypto: add SIMD implementation for ChaCha20 (diff)
downloadlinux-a84d1c5006b56166dac477e922643ede01cdbb92.tar.xz
linux-a84d1c5006b56166dac477e922643ede01cdbb92.zip
s390/cio: remove uevent suppress from cio driver
commit fa1a8c23eb7d ("s390: cio: Delay uevents for subchannels") introduced suppression of uevents for a subchannel until after it is clear that the subchannel would not be unregistered again immediately. This was done to avoid uevents being generated for I/O subchannels with no valid device, which can happen on LPAR. However, this also has some drawbacks: All subchannel drivers need to manually remove the uevent suppression and generate an ADD uevent as soon as they are sure that the subchannel will stay around. This misses out on all uevents that are not the initial ADD uevent that would be generated while uevents are suppressed; for example, all subchannels were missing the BIND uevent. As uevents being generated even for I/O subchannels without an operational device turned out to be not as bad as missing uevents and complicating the code flow, let's remove uevent suppression for subchannels. Signed-off-by: Vineeth Vijayan <vneethv@linux.ibm.com> [cohuck@redhat.com: modified changelog] Reviewed-by: Cornelia Huck <cohuck@redhat.com> Reviewed-by: Peter Oberparleiter <oberpar@linux.ibm.com> Link: https://lore.kernel.org/r/20211122103756.352463-2-vneethv@linux.ibm.com Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
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