Chris Clayton wrote: > Hi, > > I'm building kvm-29 on a system that is running linux-2.6.22.1-cfs-v19. When > the modules are built I get warnings about set_64bit: > > CC [M] /home/users/chris/rpm/BUILD/kvm-29/kernel/vmx-debug.o > CC [M] /home/users/chris/rpm/BUILD/kvm-29/kernel/kvm_main.o > CC [M] /home/users/chris/rpm/BUILD/kvm-29/kernel/mmu.o > /home/users/chris/rpm/BUILD/kvm-29/kernel/mmu.c: In function 'set_shadow_pte': > /home/users/chris/rpm/BUILD/kvm-29/kernel/mmu.c:202: warning: implicit > declaration of function 'set_64bit' > CC [M] /home/users/chris/rpm/BUILD/kvm-29/kernel/x86_emulate.o > CC [M] /home/users/chris/rpm/BUILD/kvm-29/kernel/anon_inodes.o > LD [M] /home/users/chris/rpm/BUILD/kvm-29/kernel/kvm.o > LD [M] /home/users/chris/rpm/BUILD/kvm-29/kernel/kvm-intel.o > LD [M] /home/users/chris/rpm/BUILD/kvm-29/kernel/kvm-amd.o > Building modules, stage 2. > MODPOST 3 modules > WARNING: "set_64bit" [/home/users/chris/rpm/BUILD/kvm-29/kernel/kvm.ko] > undefined! > CC /home/users/chris/rpm/BUILD/kvm-29/kernel/kvm-amd.mod.o > CC /home/users/chris/rpm/BUILD/kvm-29/kernel/kvm-intel.mod.o > CC /home/users/chris/rpm/BUILD/kvm-29/kernel/kvm.mod.o > LD [M] /home/users/chris/rpm/BUILD/kvm-29/kernel/kvm-amd.ko > LD [M] /home/users/chris/rpm/BUILD/kvm-29/kernel/kvm-intel.ko > LD [M] /home/users/chris/rpm/BUILD/kvm-29/kernel/kvm.ko > m > Because set_64bit is undefined, kvm.ko (and kvm-intel.ko) can't be loaded. > > I've found the set_64bit in the kernel sources - it's a macro in > asm-i386/cmpxchg.h. The problem is that the macro(and some realted macros and > definitions are guarded by "#ifdef CONFIG_X86_CMPXCHG64". Since that isn't > defined for my kernel, set_64bit is not defined either. >
KVM depends on CONFIG_X86_CMPXCHG64 which also depends on CONFIG_X86_PAE. Regards, Anthony Liguori > If I comment the guarding #ifdef (and its partner #endif) kvm builds fine and > everything seems to work OK.- the modules load and Damn Small Linux and > FreeBSD run fine. > > Any advice would be much appreciated and more than happy to test patches. > > I'm not subscribed, so please cc me. > > Thanks > > ------------------------------------------------------------------------- > This SF.net email is sponsored by DB2 Express > Download DB2 Express C - the FREE version of DB2 express and take > control of your XML. No limits. Just data. Click to get it now. > http://sourceforge.net/powerbar/db2/ > _______________________________________________ > kvm-devel mailing list > kvm-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/kvm-devel > > ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _______________________________________________ kvm-devel mailing list kvm-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/kvm-devel
