Hi! > From: Joerg Roedel <jroe...@suse.de> > > Hi, > > here is my current WIP code to enable PTI on x86-32. It is > still in a pretty early state, but it successfully boots my > KVM guest with PAE and with legacy paging. The existing PTI > code for x86-64 already prepares a lot of the stuff needed > for 32 bit too, thanks for that to all the people involved > in its development :)
Thanks for doing the work.
I tried applying it on top of -next, and that did not succeed. Let me
try Linus tree...
> The code has not run on bare-metal yet, I'll test that in
> the next days once I setup a 32 bit box again. I also havn't
> tested Wine and DosEMU yet, so this might also be broken.
Um. Ok, testing is something I can do. At least I have excuse to power
on T40p.
Ok... Testing is something I can do... If I can get it to compile.
CC arch/x86/mm/dump_pagetables.o
arch/x86/mm/dump_pagetables.c: In function
‘ptdump_walk_user_pgd_level_checkwx’:
arch/x86/mm/dump_pagetables.c:546:26: error: ‘init_top_pgt’
undeclared (first use in this function)
pgd_t *pgd = (pgd_t *) &init_top_pgt;
^
arch/x86/mm/dump_pagetables.c:546:26:
note: each undeclared identifier is reported only once for each
function it appears in
scripts/Makefile.build:316: recipe for target
'arch/x86/mm/dump_pagetables.o' failed
make[2]: *** [arch/x86/mm/dump_pagetables.o] Error 1
scripts/Makefile.build:575: recipe for target 'arch/x86/mm' failed
make[1]: *** [arch/x86/mm] Error 2
make[1]: *** Waiting for unfinished jobs....
CC arch/x86/platform/intel/iosf_mbi.o
Ok, I guess I can disable some config option...
Pavel
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