On 10/5/20 8:03 PM, Martin KaFai Lau wrote:
On Mon, Oct 05, 2020 at 09:58:38AM -0700, Song Liu wrote:
[...]
non-NMI pop(): use _lock(); check per cpu lists first; if all per cpu lists are empty, check extralist; if extralist is empty, return NULL.non-NMI push(): use _lock(); only push to per cpu lists. NMI pop(): use _trylock(); check per cpu lists first; if all per cpu lists are locked or empty, check extralist; if extralist is locked or empty, return NULL. NMI push(): use _trylock(); check per cpu lists first; if all per cpu lists are locked; try push to extralist; if extralist is also locked, keep trying on per cpu lists. Reported-by: Alexei Starovoitov <a...@kernel.org> Signed-off-by: Song Liu <songliubrav...@fb.com> --- Changes v1 => v2: 1. Update commit log. (Daniel)Acked-by: Martin KaFai Lau <ka...@fb.com>
LGTM, applied, thanks!
