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Date:   Wed, 5 Apr 2023 04:48:46 -0700
From:   Dan Li <ashimida.1990@gmail.com>
To:     Peter Zijlstra <peterz@infradead.org>
Cc:     Aaron Tomlin <atomlin@redhat.com>,
        Alexander Potapenko <glider@google.com>,
        Alexander Shishkin <alexander.shishkin@linux.intel.com>,
        Alexandru Elisei <alexandru.elisei@arm.com>,
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Subject: Re: [RFC/RFT,V2] CFI: Add support for gcc CFI in aarch64
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On 03/27, Peter Zijlstra wrote:
> On Sat, Mar 25, 2023 at 01:54:16AM -0700, Dan Li wrote:
> 
> > In the compiler part[4], most of the content is the same as Sami's
> > implementation[3], except for some minor differences, mainly including:
> > 
> > 1. The function typeid is calculated differently and it is difficult
> > to be consistent.
> 
> This means there is an effective ABI break between the compilers, which
> is sad :-( Is there really nothing to be done about this?

Hi Peter,

I'm not so sure right now. According to Sami's tip, I need to learn more about
related patches. I'll make it ABI compatible in the next version if possible :)

Thanks,
Dan