Am 08.04.2013 14:19, schrieb Gleb Natapov: > On Tue, Apr 02, 2013 at 04:29:32PM +0300, Gleb Natapov wrote: >>> static void kvm_sw_tlb_put(PowerPCCPU *cpu) >>> { >>> CPUPPCState *env = &cpu->env; >>> diff --git a/target-s390x/cpu.c b/target-s390x/cpu.c >>> index 23fe51f..6321384 100644 >>> --- a/target-s390x/cpu.c >>> +++ b/target-s390x/cpu.c >>> @@ -84,6 +84,10 @@ static void s390_cpu_reset(CPUState *s) >>> * after incrementing the cpu counter */ >>> #if !defined(CONFIG_USER_ONLY) >>> s->halted = 1; >>> + >>> + if (kvm_enabled()) { >>> + kvm_arch_reset_vcpu(s); >> Does this compile with kvm support disabled? >> > Well, it does not: > CC s390x-softmmu/target-s390x/cpu.o > /users/gleb/work/qemu/target-s390x/cpu.c: In function 's390_cpu_reset': > /users/gleb/work/qemu/target-s390x/cpu.c:89:9: error: implicit > declaration of function 'kvm_arch_reset_vcpu' > [-Werror=implicit-function-declaration] > /users/gleb/work/qemu/target-s390x/cpu.c:89:9: error: nested extern > declaration of 'kvm_arch_reset_vcpu' [-Werror=nested-externs] > cc1: all warnings being treated as errors > > I wonder if it is portable between compilers to rely on code in if(0){} to > be dropped in all levels of optimizations. No, we had a previous case where --enable-debug broke if (kvm_enabled()) {...} but regular builds worked. Andreas -- SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer; HRB 16746 AG Nürnberg -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html