Re: [PATCH v5 8/9] x86-64: Emulate legacy vsyscalls

From: Ingo Molnar
Date: Mon Jun 06 2011 - 03:39:30 EST



* Andrew Lutomirski <luto@xxxxxxx> wrote:

> > We could even 'tie down' the actual assembly by moving this all
> > to a .S - this way we protect against GCC accidentally generating
> > something dangerous in there. I suggested that before.
>
> I have no problem with that suggestion, except that once the
> current series makes it into -tip I intend to move vread_tsc and
> vread_hpet to the vDSO. So leaving them alone for now saves work,
> and they'll be more maintainable later if they're written in C.

Sure, if they move to the vDSO real soon then moving them to assembly
becomes moot.

Thanks,

Ingo
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