Re: [net-next 1/8] tcp: Copy straggler unaligned data for TCP Rx. zerocopy.

2020-11-12 Thread kernel test robot
Hi Arjun, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on net-next/master] url: https://github.com/0day-ci/linux/commits/Arjun-Roy/Perf-optimizations-for-TCP-Recv-Zerocopy/20201113-030506 base: https://git.kernel.org/pub/scm/linux/kernel/git/davem/net-nex

[net-next 1/8] tcp: Copy straggler unaligned data for TCP Rx. zerocopy.

2020-11-12 Thread Arjun Roy
From: Arjun Roy When TCP receive zerocopy does not successfully map the entire requested space, it outputs a 'hint' that the caller should recvmsg(). Augment zerocopy to accept a user buffer that it tries to copy this hint into - if it is possible to copy the entire hint, it will do so. This eli