On Thu, Oct 15, 2020 at 02:50:02AM +0000, Suravee Suthikulpanit wrote: > Certain device drivers allocate IO queues on a per-cpu basis. > On AMD EPYC platform, which can support up-to 256 cpu threads, > this can exceed the current MAX_IRQ_PER_TABLE limit of 256, > and result in the error message: > > AMD-Vi: Failed to allocate IRTE > > This has been observed with certain NVME devices. > > AMD IOMMU hardware can actually support upto 512 interrupt > remapping table entries. Therefore, update the driver to > match the hardware limit. > > Please note that this also increases the size of interrupt remapping > table to 8KB per device when using the 128-bit IRTE format. > > Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpa...@amd.com> > --- > drivers/iommu/amd/amd_iommu_types.h | 6 +++++- > 1 file changed, 5 insertions(+), 1 deletion(-)
Applied for 5.10, thanks.
