On Tue, Mar 15, 2016 at 12:19 PM, Alexey Kardashevskiy <aik@xxxxxxxxx> wrote: > This reverts commit 85743f1eb34548ba4b056d2f184a3d107a3b8917. > > Without this revert, POWER "pseries" KVM guests with a VF passed to a guest > using VFIO fail to bring the driver up: > > mlx4_core: Mellanox ConnectX core driver v2.2-1 (Feb, 2014) > mlx4_core: Initializing 0000:00:00.0 > mlx4_core 0000:00:00.0: enabling device (0000 -> 0002) > mlx4_core 0000:00:00.0: Detected virtual function - running in slave mode > mlx4_core 0000:00:00.0: Sending reset > mlx4_core 0000:00:00.0: Sending vhcr0 > mlx4_core 0000:00:00.0: HCA minimum page size:512 > mlx4_core 0000:00:00.0: UAR size:4096 != kernel PAGE_SIZE of 65536 > mlx4_core 0000:00:00.0: Failed to obtain slave caps > Both host and guest use 64K system pages. > > How to fix this properly? Thanks. The commit message says: "[..] Regarding backward compatibility in SR-IOV, if hypervisor has this new code, the virtual OS must be updated. [...]" Or. -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
