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authorLijian.Zhang <Lijian.Zhang@arm.com>2019-08-21 17:51:16 +0800
committerDamjan Marion <dmarion@me.com>2019-09-03 15:55:40 +0000
commitba0da570f264785f6b50eff7829f6653c0924069 (patch)
tree086908ccf181fd345ebaee7c1d92fb6685c83ed7 /build/external
parent017dc45243bad1b3708d0a9b902d23ca47859344 (diff)
tap: fix tap interface not working on Arm issue
The VPP code tries to set all userspace memory in the table via IOCTL to VHOST_SET_MEM_TABLE. But on aarch64, the userspace address range is larger (48 bits) than that on x86 (47 bits). Below is an segment from /proc/[vpp]/maps. fffb41200000-fffb43a00000 rw-s 00000000 00:0e 532232 /anon_hugepage (deleted) Instead of setting all userspace memory space to vhost-net, will only set the address space reserved by pmalloc module during initialization. Type: fix Change-Id: I91cb35e990869b42094cf2cd0512593733d33677 Signed-off-by: Lijian Zhang <Lijian.Zhang@arm.com> Reviewed-by: Steve Capper <Steve.Capper@arm.com>
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