[uml-devel] Fwd: Re: BUG:af_packet fails to TX TSO frames

2017-10-11 Thread Anton Ivanov
And that is the culprit of why GSO does not work with raw sockets. There can be no workaround unfortunately, this simply will need to be enabled in the driver once the kernel is fixed. It should work for older kernels prior to the fix in comit104ba78c9880 too. So from that perspective there is n

[uml-devel] PATCH v7

2017-10-11 Thread anton . ivanov
This is hopefully the final parking position. It has been cleaned up, updated to fit the current netdev warning/info message conventions and no longer hangs if the underlying network hard xmit misbehaves. The issue with raw sockets is a definitive BUG - I have gone through it with a comb several t

[uml-devel] [PATCH 1/2] Epoll based IRQ controller

2017-10-11 Thread anton . ivanov
From: Anton Ivanov 1. Removes the need to walk the IRQ/Device list to determine who triggered the IRQ. 2. Improves scalability (up to several times performance improvement for cases with 10s of devices). 3. Improves UML baseline IO performance for one disk + one NIC use case by up to 10%. 4. Intr