diff options
| author | Jan Kiszka <jan.kiszka@siemens.com> | 2010-03-01 18:17:20 +0100 |
|---|---|---|
| committer | Marcelo Tosatti <mtosatti@redhat.com> | 2010-03-01 14:30:09 -0300 |
| commit | a4f9b864e44c179fb1af7d9d486089ca5b0562b5 (patch) | |
| tree | 04466bbc0178a6d4a12e938d290692b3bdeca366 /kvm-all.c | |
| parent | 9fe0069fdb55e0ac31b24a3bb18250588d975bd7 (diff) | |
qemu-kvm: Add KVM_CAP_X86_ROBUST_SINGLESTEP-awareness
This add-on patch to recent guest debugging refactorings adds the
requested awareness for KVM_CAP_X86_ROBUST_SINGLESTEP to both the
upstream as well as qemu-kvm's own code. Fortunately, code sharing
increased once again.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Diffstat (limited to 'kvm-all.c')
| -rw-r--r-- | kvm-all.c | 12 |
1 files changed, 12 insertions, 0 deletions
@@ -65,6 +65,7 @@ struct KVMState int broken_set_mem_region; int migration_log; int vcpu_events; + int robust_singlestep; #ifdef KVM_CAP_SET_GUEST_DEBUG struct kvm_sw_breakpoint_head kvm_sw_breakpoints; #endif @@ -673,6 +674,12 @@ int kvm_init(int smp_cpus) s->vcpu_events = kvm_check_extension(s, KVM_CAP_VCPU_EVENTS); #endif + s->robust_singlestep = 0; +#ifdef KVM_CAP_X86_ROBUST_SINGLESTEP + s->robust_singlestep = + kvm_check_extension(s, KVM_CAP_X86_ROBUST_SINGLESTEP); +#endif + ret = kvm_arch_init(s, smp_cpus); if (ret < 0) goto err; @@ -933,6 +940,11 @@ int kvm_has_vcpu_events(void) return kvm_state->vcpu_events; } +int kvm_has_robust_singlestep(void) +{ + return kvm_state->robust_singlestep; +} + void kvm_setup_guest_memory(void *start, size_t size) { if (!kvm_has_sync_mmu()) { |