Re: [PATCH 0/5] x86-64: Remove syscall instructions at fixedaddresses

[Ingo Molnar]

* Andrew Lutomirski <luto@xxxxxxx> wrote:

> On Sun, May 29, 2011 at 3:19 PM, Ingo Molnar <mingo@xxxxxxx> wrote:
> > Btw., do you know CONFIG_X86_PTDUMP=y and /debug/kernel_page_tables?
> > You could use that to double check that after your patches all
> > executable (and fixed address) pages are removed [or are harmless].
> 
> Done.  Now there's only one user-executable page and it's mostly harmless.

ok. Will test your v3 series.

> Maybe I'll try to get rid of vread_tsc and vread_hpet later on to 
> make it even more harmless.

Yeah, that's a good idea. They need pushing into the INT 0xCC 
do_intcc() handler, that's all that's needed AFAICS - or can you see 
other complications with them?

Thanks,

	Ingo
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