bpf, doc: Correct one wrong value in "Register value tracking"
authorWang YanQing <udknight@gmail.com>
Wed, 24 Jan 2018 07:48:26 +0000 (15:48 +0800)
committerDaniel Borkmann <daniel@iogearbox.net>
Wed, 24 Jan 2018 15:43:11 +0000 (16:43 +0100)
commite9dcd80b9d77a92bfae6ce42a451f5c5fd318832
tree1d3e153507734dfd36e70028b631583a175c1db8
parent1fc0bf49e486394bce14e3856813e9442755c23d
bpf, doc: Correct one wrong value in "Register value tracking"

If we then OR this with 0x40, then the value of 6th bit (0th is first bit)
become known, so the right mask is 0xbf instead of 0xcf.

Signed-off-by: Wang YanQing <udknight@gmail.com>
Acked-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Documentation/networking/filter.txt