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SubjectRe: [PATCH] x86/entry: Improve system call entry comments
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On 03/08/16 02:30, Ingo Molnar wrote:
>>>> + *
>>>> + * This is considered a slow path. It is not used by modern libc
>>>> + * implementations on modern hardware except during process startup.
>>>> + *
>>
>> Sadly I believe Android still uses int $0x80 in the upstream version.
>
> I don't see how that fact conflicts with my statement: on 64-bit kernels INT $0x80
> will (of course) work, but will land on another entry point: entry_INT80_compat(),
> not entry_INT80_32().
>
> On 32-bit kernels the INT $0x80 entry point is entry_INT80_32().
>

It doesn't. I was referring to the above quote. Trying to fix that.

-hpa


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