On 17.01.2013, at 12:11, Bhushan Bharat-R65777 wrote: > > >> -----Original Message----- >> From: Paul Mackerras [mailto:paulus@xxxxxxxxx] >> Sent: Thursday, January 17, 2013 12:53 PM >> To: Bhushan Bharat-R65777 >> Cc: kvm-ppc@xxxxxxxxxxxxxxx; kvm@xxxxxxxxxxxxxxx; agraf@xxxxxxx; Bhushan Bharat- >> R65777 >> Subject: Re: [PATCH 5/8] KVM: PPC: debug stub interface parameter defined >> >> On Wed, Jan 16, 2013 at 01:54:42PM +0530, Bharat Bhushan wrote: >>> This patch defines the interface parameter for KVM_SET_GUEST_DEBUG >>> ioctl support. Follow up patches will use this for setting up hardware >>> breakpoints, watchpoints and software breakpoints. >> >> [snip] >> >>> diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c index >>> 453a10f..7d5a51c 100644 >>> --- a/arch/powerpc/kvm/booke.c >>> +++ b/arch/powerpc/kvm/booke.c >>> @@ -1483,6 +1483,12 @@ int kvm_vcpu_ioctl_set_one_reg(struct kvm_vcpu *vcpu, >> struct kvm_one_reg *reg) >>> return r; >>> } >>> >>> +int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu, >>> + struct kvm_guest_debug *dbg) >>> +{ >>> + return -EINVAL; >>> +} >>> + >>> int kvm_arch_vcpu_ioctl_get_fpu(struct kvm_vcpu *vcpu, struct kvm_fpu >>> *fpu) { >>> return -ENOTSUPP; >>> diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c >>> index 934413c..4c94ca9 100644 >>> --- a/arch/powerpc/kvm/powerpc.c >>> +++ b/arch/powerpc/kvm/powerpc.c >>> @@ -532,12 +532,6 @@ void kvm_arch_vcpu_put(struct kvm_vcpu *vcpu) >>> #endif } >>> >>> -int kvm_arch_vcpu_ioctl_set_guest_debug(struct kvm_vcpu *vcpu, >>> - struct kvm_guest_debug *dbg) >>> -{ >>> - return -EINVAL; >>> -} >>> - >> >> This will break the build for non-book E machines, since >> kvm_arch_vcpu_ioctl_set_guest_debug() is referenced from generic code. >> You need to add it to arch/powerpc/kvm/book3s.c as well. > > right, I will correct this. Would the implementation actually be different on booke vs book3s? My feeling is that powerpc.c is actually the right place for this. Alex -- 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