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authorJulian Wiedmann <jwi@linux.ibm.com>2020-06-16 15:13:00 +0300
committerHeiko Carstens <hca@linux.ibm.com>2020-07-20 11:55:26 +0300
commita709423f7a3a452e5fa7442425817c1bdccd7926 (patch)
tree88a7a830f87b34335fa01ad4de1becb48a3398cb /drivers/s390/Makefile
parent2bbf282a5e8e7e6b36586718b484a36117b6b8a0 (diff)
downloadlinux-a709423f7a3a452e5fa7442425817c1bdccd7926.tar.xz
s390/qdio: remove internal polling in non-thinint path
For non-thinint devices in LPAR, qdio polls an idle Input Queue for a little while to catch more work. But platform support for thinints has been around practically _forever_ by now, so this micro-optimization is seeing 0 actual use. Remove it to reduce the overall complexity of the hot path. In the meantime we also grew support for driver-level polling (eg. NAPI in qeth), so it's quite questionable how useful this would actually be on current kernels. Signed-off-by: Julian Wiedmann <jwi@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Diffstat (limited to 'drivers/s390/Makefile')
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