On 03/12/2014 12:41 PM, Linus Torvalds wrote:
>
> So my reaction was "don't do that".
>
> But people pointing out that we can't do what x86-64 does made me
> think: we could avoid the whole "nasty code for a legacy case" by
> making it the *non*-legacy case. We could get rid of the fixmap
> HPET/VVAR entirely - on x86-64 (which can use those addresses) a
> PC-relative addressing is probably actually better anyway, so mapping
> them together with the vdso code shouldn't hurt.
>
How would that deal with the legacy vsyscall case for x86-64? Just rely
on the "legacy vsyscall emulation" (which seems to have its own class of
problems...)?
-hpa
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
