Messages in this thread | | | Date | Tue, 13 Oct 2009 14:28:15 +0200 | From | Ingo Molnar <> | Subject | Re: [PATCH V5] x86: NX protection for kernel data |
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* Siarhei Liakh <sliakh.lkml@gmail.com> wrote:
> >> I like doing this, but... maybe it is useful to have a diff of the > >> pagetable dump (PT_DUMP config option) to show the effect, in the > >> changelog. That'd be like the proof on the pudding... > > > > That's a good suggestion. Siarhei Liakh, mind doing that? > > Here you go: > =============================================== > --- data_nx_pt_before.txt 2009-10-13 07:26:17.000000000 -0400 > +++ data_nx_pt_after.txt 2009-10-13 07:26:46.000000000 -0400 > @@ -2,12 +2,9 @@ > 0x00000000-0xc0000000 3G pmd > ---[ Kernel Mapping ]--- > 0xc0000000-0xc0100000 1M RW GLB x pte > -0xc0100000-0xc048d000 3636K ro GLB x pte > -0xc048d000-0xc04d0000 268K RW GLB x pte > -0xc04d0000-0xc04d2000 8K RW GLB NX pte > -0xc04d2000-0xc04d3000 4K RW GLB x pte > -0xc04d3000-0xc0531000 376K RW GLB NX pte > -0xc0531000-0xc0600000 828K RW GLB x pte > +0xc0100000-0xc0381000 2564K ro GLB x pte > +0xc0381000-0xc048d000 1072K ro GLB NX pte > +0xc048d000-0xc0600000 1484K RW GLB NX pte > 0xc0600000-0xf7800000 882M RW PSE GLB NX pmd > 0xf7800000-0xf79fe000 2040K RW GLB NX pte > 0xf79fe000-0xf7a00000 8K pte > =============================================== > > Would you like me to re-post whole patch with this addition?
Yep, v6 with Arjan's ack (once he sends it) would be handy.
Ingo
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