Re: kismet: WARNING: unmet direct dependencies detected for HUGETLBFS when selected by PPC_8xx

[Christophe Leroy]

Le 05/02/2025 à 03:39, Miaohe Lin a écrit :
> On 2025/1/24 6:24, kernel test robot wrote:
> > tree:   https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fgit.kernel.org%2Fpub%2Fscm%2Flinux%2Fkernel%2Fgit%2Ftorvalds%2Flinux.git&data=05%7C02%7Cchristophe.leroy%40csgroup.eu%7C9284805dd2a148bd1d7e08dd458e511f%7C8b87af7d86474dc78df45f69a2011bb5%7C0%7C0%7C638743199757464439%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=LU9lidWjjJE3vf0TPBp1wIvUFpjnpPKq2zQVxu4Ru%2F0%3D&reserved=0 master
> > head:   d0d106a2bd21499901299160744e5fe9f4c83ddb
> > commit: f8142cf94d4737ea0c3baffb3b9bad8addcb9b6b hugetlb: make hugetlb depends on SYSFS or SYSCTL
> > date:   2 years, 4 months ago
> > config: powerpc-kismet-CONFIG_HUGETLBFS-CONFIG_PPC_8xx-0-0 (https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdownload.01.org%2F0day-ci%2Farchive%2F20250124%2F202501240611.LDmD2nkj-lkp%40intel.com%2Fconfig&data=05%7C02%7Cchristophe.leroy%40csgroup.eu%7C9284805dd2a148bd1d7e08dd458e511f%7C8b87af7d86474dc78df45f69a2011bb5%7C0%7C0%7C638743199757478112%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=9%2B4B2T41tw4xvlAkYIeOEhK9PrH17GM7KrhEOyKDxMM%3D&reserved=0)
> > reproduce: (https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fdownload.01.org%2F0day-ci%2Farchive%2F20250124%2F202501240611.LDmD2nkj-lkp%40intel.com%2Freproduce&data=05%7C02%7Cchristophe.leroy%40csgroup.eu%7C9284805dd2a148bd1d7e08dd458e511f%7C8b87af7d86474dc78df45f69a2011bb5%7C0%7C0%7C638743199757485680%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=SDjSwdEccwtqN8L4VzuYnAhq3nchpJdBi%2FaJGloeZ40%3D&reserved=0)
> >
> > If you fix the issue in a separate patch/commit (i.e. not just a new version of
> > the same patch/commit), kindly add following tags
> > | Reported-by: kernel test robot <lkp@xxxxxxxxx>
> > | Closes: https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flore.kernel.org%2Foe-kbuild-all%2F202501240611.LDmD2nkj-lkp%40intel.com%2F&data=05%7C02%7Cchristophe.leroy%40csgroup.eu%7C9284805dd2a148bd1d7e08dd458e511f%7C8b87af7d86474dc78df45f69a2011bb5%7C0%7C0%7C638743199757493154%7CUnknown%7CTWFpbGZsb3d8eyJFbXB0eU1hcGkiOnRydWUsIlYiOiIwLjAuMDAwMCIsIlAiOiJXaW4zMiIsIkFOIjoiTWFpbCIsIldUIjoyfQ%3D%3D%7C0%7C%7C%7C&sdata=DdGGMh1x6g6a%2F7hcgqmSBASk14QpA4%2F%2FmI2ztozklts%3D&reserved=0
>
> Thanks for report. Sorry for late respond. I was on my Spring Festival vacation.
>
> > kismet warnings: (new ones prefixed by >>)
> > > > kismet: WARNING: unmet direct dependencies detected for HUGETLBFS when selected by PPC_8xx
> >     WARNING: unmet direct dependencies detected for HUGETLBFS
> >       Depends on [n]: (X86 || IA64 || SPARC64 || ARCH_SUPPORTS_HUGETLBFS [=y] || BROKEN [=n]) && (SYSFS [=n] || SYSCTL [=n])
> >       Selected by [y]:
> >       - PPC_8xx [=y] && <choice>
>
> I am a bit confused. HUGETLBFS depends on SYSFS or SYSCTL. How can it be selected while SYSFS [=n] || SYSCTL [=n]?
> Or am I miss something?

CONFIG_HUGETLBFS is selected by CONFIG_PPC_8xx, see commit 34536d780683 
("powerpc/8xx: Add a function to early map kernel via huge pages")

Christophe