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authorEric Farman <farman@linux.ibm.com>2022-08-11 20:20:54 +0300
committerHeiko Carstens <hca@linux.ibm.com>2023-01-09 16:34:09 +0300
commitb5a73e8eb225e3103a030c518375b4b2d0c66ccd (patch)
tree88e9721c5850a8c8bb616241e5c7d89bf12612d1 /tools/perf/scripts/python
parent1b676fe3d9d3f262bc26bb18dc1b1ac66c83c2a0 (diff)
downloadlinux-b5a73e8eb225e3103a030c518375b4b2d0c66ccd.tar.xz
vfio/ccw: don't group contiguous pages on 2K IDAWs
The vfio_pin_pages() interface allows contiguous pages to be pinned as a single request, which is great for the 4K pages that are normally processed. Old IDA formats operate on 2K chunks, which makes this logic more difficult. Since these formats are rare, let's just invoke the page pinning one-at-a-time, instead of trying to group them. We can rework this code at a later date if needed. Signed-off-by: Eric Farman <farman@linux.ibm.com> Reviewed-by: Matthew Rosato <mjrosato@linux.ibm.com> Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
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