Re: [bpf PATCH v2 5/5] bpf, selftests: Add tests to sock_ops for loading sk
From: Song Liu <song@kernel.org>
Date: 2020-07-29 21:37:13
Also in:
bpf
From: Song Liu <song@kernel.org>
Date: 2020-07-29 21:37:13
Also in:
bpf
On Wed, Jul 29, 2020 at 9:26 AM John Fastabend [off-list ref] wrote:
[...]
Notice it takes us an extra four instructions when src reg is the same as dst reg. One to save the reg, two to restore depending on the branch taken and a goto to jump over the second restore. Signed-off-by: John Fastabend <john.fastabend@gmail.com>
Acked-by: Song Liu <redacted> [...]