Re: Re: linux/vt.h

[Jorge Almeida <jjalmeida@gmail.com>]

On Sat, Oct 3, 2015 at 9:42 AM, Laurent Bercot <ska-dietlibc@skarnet.org> wrote:
> On 03/10/2015 15:01, Jorge Almeida wrote:
>>
>> Good question. Conventional wisdom states that one must keep the
>> headers glibc was compiled against, not the headers of the current
>> kernel, but the why is never explained.
>
>
>  AIUI, it's a question of ABI. Your applications are linked against
> the libc, not against the kernel: it's important for applications
> and the libc to have the same definitions, else there's no guarantee
> they'll work together. Whereas the kernel/userspace ABI is supposed
> to be stable, so it's not supposed to matter if the current kernel
> has different headers than the ones the libc was compiled against.
>  Other people will correct me if I'm wrong.
>
Hi Laurent

I understand that part. Stability of the ABI is a big deal for Linus,
if I understand correctly. But one reads about "sanitized headers",
and it's the "sanitized" vs. headers pure and simple that I don't
understand.

Jorge