Re: [PATCH] MIPS: BPF: Disable JIT on R3000 (MIPS-I)

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On Mon, 2015-10-05 at 11:24 +0200, Ralf Baechle wrote:
> On Sat, Sep 05, 2015 at 08:29:28PM +0100, Ben Hutchings wrote:
> 
> > The JIT does not include the load delay slots required by MIPS-I
> > processors.
> 
> See 0c5d187828588dd1b36cb93b4481a8db467ef3e8 (MIPS: BPF: Fix load delay
> slots.) for a proper fix.

How about all the inlined loads (emit_load, emit_load_byte,
emit_half_load)?

> I'm wondering, how did you find this issue, are you scanning the code
> for broken instruction sequences?

No, I was already looking at the BPF JIT implementation for some other
reason.

Ben.

-- 
Ben Hutchings
compatible: Gracefully accepts erroneous data from any source

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