Re: [PATCH bpf] selftests: bpf: add zero extend checks for ALU32 and/or/xor

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On Thu, 23 May 2019 at 16:31, Jiong Wang <jiong.wang@xxxxxxxxxxxxx> wrote:
>
>
> > On 23 May 2019, at 15:02, Daniel Borkmann <daniel@xxxxxxxxxxxxx> wrote:
> >
> > On 05/23/2019 08:38 AM, Y Song wrote:
> >> On Wed, May 22, 2019 at 1:46 PM Björn Töpel <bjorn.topel@xxxxxxxxx> wrote:
> >>> On Wed, 22 May 2019 at 20:13, Y Song <ys114321@xxxxxxxxx> wrote:
> >>>> On Wed, May 22, 2019 at 2:25 AM Björn Töpel <bjorn.topel@xxxxxxxxx> wrote:
> >>>>>
> >>>>> Add three tests to test_verifier/basic_instr that make sure that the
> >>>>> high 32-bits of the destination register is cleared after an ALU32
> >>>>> and/or/xor.
> >>>>>
> >>>>> Signed-off-by: Björn Töpel <bjorn.topel@xxxxxxxxx>
> >>>>
> >>>> I think the patch intends for bpf-next, right? The patch itself looks
> >>>> good to me.
> >>>> Acked-by: Yonghong Song <yhs@xxxxxx>
> >>>
> >>> Thank you. Actually, it was intended for the bpf tree, as a test
> >>> follow up for this [1] fix.
> >> Then maybe you want to add a Fixes tag and resubmit?
> >
> > Why would the test case need a fixes tag? It's common practice that we have
> > BPF fixes that we queue to bpf tree along with kselftest test cases related
> > to them. Therefore, applied as well, thanks for following up!
> >
> > Björn, in my email from the fix, I mentioned we should have test snippets
> > ideally for all of the alu32 insns to not miss something falling through the
> > cracks when JITs get added or changed. If you have some cycles to add the
> > remaining missing ones, that would be much appreciated.
>
> Björn,
>
>   If you don’t have time, I can take this alu32 test case follow up as well.
>

Jiong, that would be great. Thank you. I'd guess it would take much
longer for me to do it (gmail.com time vs intel.com time ;-)).


Björn

> Regards,
> Jiong
>
> >
> > Thanks,
> > Daniel
>




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