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authorWanpeng Li <[email protected]>2018-04-27 00:55:03 +0000
committerPaolo Bonzini <[email protected]>2018-05-11 09:21:10 +0000
commitddc9cfb79c1096a0855839631c091aa7e9602052 (patch)
tree4560f59a7292b1bcd4808778bb1f884be2850ee5 /drivers/gpu/drm/amd/amdgpu/amdgpu_object.c
parentLinux 4.17-rc4 (diff)
downloadkernel-ddc9cfb79c1096a0855839631c091aa7e9602052.tar.gz
kernel-ddc9cfb79c1096a0855839631c091aa7e9602052.zip
KVM: Extend MAX_IRQ_ROUTES to 4096 for all archs
Our virtual machines make use of device assignment by configuring 12 NVMe disks for high I/O performance. Each NVMe device has 129 MSI-X Table entries: Capabilities: [50] MSI-X: Enable+ Count=129 Masked-Vector table: BAR=0 offset=00002000 The windows virtual machines fail to boot since they will map the number of MSI-table entries that the NVMe hardware reported to the bus to msi routing table, this will exceed the 1024. This patch extends MAX_IRQ_ROUTES to 4096 for all archs, in the future this might be extended again if needed. Reviewed-by: Cornelia Huck <[email protected]> Cc: Paolo Bonzini <[email protected]> Cc: Radim KrÄmář <[email protected]> Cc: Cornelia Huck <[email protected]> Cc: Christian Borntraeger <[email protected]> Signed-off-by: Wanpeng Li <[email protected]> Signed-off-by: Tonny Lu <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_object.c')
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