lkml.org 
[lkml]   [2018]   [Jan]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC PATCH 00/16] PTI support for x86-32
Hi!

> From: Joerg Roedel <jroedel@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

--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
[unhandled content-type:application/pgp-signature]
\
 
 \ /
  Last update: 2018-01-19 11:56    [W:0.347 / U:1.784 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site