Re: [PATCH v2 net-next 3/3] ARM: net: bpf_jit_32: supportBPF_S_ANC_SECCOMP_LD_W instruction

From: Xi Wang
Date: Sat Apr 27 2013 - 14:33:09 EST

On Sat, Apr 27, 2013 at 2:27 AM, Daniel Borkmann <dborkman@xxxxxxxxxx> wrote:
> Arent't you doing here a similar thing in terms of getting arch as Eric
> criticized (Nicolas' implementation does not use that part btw.)? Also,
> even if it would be possible here, now your 2 JIT implementations differ
> in behaviour. I think this is unintended.

Eric's comment was about x86, where the audit arch could change on the
fly. For ARM, the audit arch doesn't change---syscall_get_arch()
always returns AUDIT_ARCH_ARM.

> Besides all that, I think I also pointed you to a patch that already made
> it in for ARM, not sure why you keep posting the ARM JIT implementation?

That's why I asked in the other post if you wanted me to rebase
against linux-next or net-next. The ARM part 3/3 is not needed if
rebased against linux-next with Nicolas's patches.

- xi
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