| Message ID | 20170413124126.301CF6E664@localhost.localdomain (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
Hi Christophe,
[auto build test ERROR on powerpc/next]
[also build test ERROR on v4.11-rc6 next-20170413]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
url: https://github.com/0day-ci/linux/commits/Christophe-Leroy/powerpc-mm-Fix-missing-page-attributes-in-page-table-dump/20170414-013347
base: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git next
config: powerpc-allyesconfig (attached as .config)
compiler: powerpc64-linux-gnu-gcc (Debian 6.1.1-9) 6.1.1 20160705
reproduce:
wget https://raw.githubusercontent.com/01org/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
make.cross ARCH=powerpc
All errors (new ones prefixed by >>):
>> arch/powerpc/mm/dump_linuxpagetables.c:212:11: error: '_PAGE_SHARED' undeclared here (not in a function)
.mask = _PAGE_SHARED,
^~~~~~~~~~~~
vim +/_PAGE_SHARED +212 arch/powerpc/mm/dump_linuxpagetables.c
206 }, {
207 #endif
208 .mask = _PAGE_SPECIAL,
209 .val = _PAGE_SPECIAL,
210 .set = "special",
211 }, {
> 212 .mask = _PAGE_SHARED,
213 .val = _PAGE_SHARED,
214 .set = "shared",
215 }
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all Intel Corporation
diff --git a/arch/powerpc/mm/dump_linuxpagetables.c b/arch/powerpc/mm/dump_linuxpagetables.c index 05109d7fa027..22d2433333f5 100644 --- a/arch/powerpc/mm/dump_linuxpagetables.c +++ b/arch/powerpc/mm/dump_linuxpagetables.c @@ -119,8 +119,13 @@ static const struct flag_info flag_array[] = { .set = "user", .clear = " ", }, { +#if _PAGE_RO == 0 .mask = _PAGE_RW, .val = _PAGE_RW, +#else + .mask = _PAGE_RO, + .val = 0, +#endif .set = "rw", .clear = "ro", }, { @@ -207,6 +212,10 @@ static const struct flag_info flag_array[] = { .mask = _PAGE_SPECIAL, .val = _PAGE_SPECIAL, .set = "special", + }, { + .mask = _PAGE_SHARED, + .val = _PAGE_SHARED, + .set = "shared", } };
On some targets, _PAGE_RW is 0 and this is _PAGE_RO which is used. There is also _PAGE_SHARED that is missing Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr> --- arch/powerpc/mm/dump_linuxpagetables.c | 9 +++++++++ 1 file changed, 9 insertions(+)