linux_dsm_epyc7002/include/uapi
Michael S. Tsirkin f848a5a8dc KVM: support any-length wildcard ioeventfd
It is sometimes benefitial to ignore IO size, and only match on address.
In hindsight this would have been a better default than matching length
when KVM_IOEVENTFD_FLAG_DATAMATCH is not set, In particular, this kind
of access can be optimized on VMX: there no need to do page lookups.
This can currently be done with many ioeventfds but in a suboptimal way.

However we can't change kernel/userspace ABI without risk of breaking
some applications.
Use len = 0 to mean "ignore length for matching" in a more optimal way.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
2014-04-17 14:01:42 -03:00
..
asm-generic madvise: correct the comment of MADV_DODUMP flag 2014-04-07 16:35:58 -07:00
drm drm/tegra: Changes for v3.15-rc1 2014-04-05 16:13:08 +10:00
linux KVM: support any-length wildcard ioeventfd 2014-04-17 14:01:42 -03:00
mtd UBI: make UBI_IOCVOLCRBLK take a parameter for future usage 2014-03-06 12:04:22 +02:00
rdma
scsi
sound
video
xen
Kbuild