On Thu, 03 Jul 2008 11:00:35 -0700 Jeremy Fitzhardinge <jeremy@xxxxxxxx> wrote: > Andrew Morton wrote: > > On Thu, 3 Jul 2008 17:59:43 +0530 Kamalesh Babulal <kamalesh@xxxxxxxxxxxxxxxxxx> wrote: > > > > > >> Hi Andrew, > >> > >> 2.6.26-rc8-mm1 kernel build fails on the x86 > >> > >> CC arch/x86/kernel/paravirt.o > >> arch/x86/kernel/paravirt.c:383: error: _____ptep_modify_prot_start___ undeclared here (not in a function) > >> > > Where did all those _____underlines___ come from? gcc idiocy - emitting non-ascii characters from a programming tool. Their survival rate through downstream handling is about 2%. LANG=C helps. > >> make[1]: *** [arch/x86/kernel/paravirt.o] Error 1 > >> make: *** [arch/x86/kernel] Error 2 > >> > >> linux-next patches has the changes to the adds the function > >> __ptep_modify_prot_start as inline, the patch s390-build-fixes.patch > >> is coverting it into macro. Reverting the s390-build-fixes.patch > >> fixes the build failure. > >> > > > > grump. Who did all this stuff? > > > > I dunno. I'll drop s390-build-fixes.patch, add some ccs and stomp off. > > > > > > From: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> > > > > In file included from include/asm/pgtable.h:1087, > > from include/linux/mm.h:39, > > from arch/s390/mm/hugetlbpage.c:8: > > include/asm-generic/pgtable.h: In function '__ptep_modify_prot_start': > > include/asm-generic/pgtable.h:209: error: dereferencing pointer to incomplete type > > > > We can't turn them into macros because we're expecting to be able to > take the address of __ptep_modify_prot_start/commit. What type is not > defined on s390 at that point? Would simply adding an extra include to > arch/s390/mm/hugetlbpage.c fix the problem? > > In the worst case we could push __ptep_modify_proc_start/commit out of > line somewhere appropriate, but that's a bit sad given how simple they are. I think the s390 guys just fixed the original build error. -- To unsubscribe from this list: send the line "unsubscribe kernel-testers" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html