Re: [PATCH] arm64: bpf: fix JIT stack setup

From: Z Lim
Date: Tue Nov 10 2015 - 22:11:18 EST

On Tue, Nov 10, 2015 at 11:46 AM, Shi, Yang <yang.shi@xxxxxxxxxx> wrote:
> On 11/9/2015 12:00 PM, Z Lim wrote:
>> How about splitting this into two patches? One for the BPF-related
>> bug, and another for A64 FP-handling.
> I'm not sure if this is a good approach or not. IMHO, they are kind of
> atomic. Without A64 FP-handling, that fix looks incomplete and introduces
> another problem (stack backtrace).

The first, even on its own, doesn't make things worse, only better.
The second, which we agree needs to be fixed also, addresses a different issue.

Either way, please also note that these patches fix the original
implementation. We do want -stable to pick these up.

Suggestions for the diagram:
- As an enhancement, would you mind showing the A64_FP also?
- Please revisit "+64:"
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