Re: [PATCH v3 bpf-next 9/9] bpf: precise scalar_value tracking

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Sat, Jun 15, 2019 at 12:13 PM Alexei Starovoitov <ast@xxxxxxxxxx> wrote:
>
> Introduce precision tracking logic that
> helps cilium programs the most:
>                   old clang  old clang    new clang  new clang
>                           with all patches         with all patches
> bpf_lb-DLB_L3.o      1838     2283         1923       1863
> bpf_lb-DLB_L4.o      3218     2657         3077       2468
> bpf_lb-DUNKNOWN.o    1064     545          1062       544
> bpf_lxc-DDROP_ALL.o  26935    23045        166729     22629
> bpf_lxc-DUNKNOWN.o   34439    35240        174607     28805
> bpf_netdev.o         9721     8753         8407       6801
> bpf_overlay.o        6184     7901         5420       4754
> bpf_lxc_jit.o        39389    50925        39389      50925
>

<snip>

>
> It doesn't support bpf2bpf calls yet and enabled for root only.
>
> Signed-off-by: Alexei Starovoitov <ast@xxxxxxxxxx>
> ---

Looks good!

Acked-by: Andrii Nakryiko <andriin@xxxxxx>


>  include/linux/bpf_verifier.h |  18 ++
>  kernel/bpf/verifier.c        | 491 ++++++++++++++++++++++++++++++++++-
>  2 files changed, 498 insertions(+), 11 deletions(-)
>

<snip>



[Index of Archives]     [Linux Samsung SoC]     [Linux Rockchip SoC]     [Linux Actions SoC]     [Linux for Synopsys ARC Processors]     [Linux NFS]     [Linux NILFS]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]


  Powered by Linux