diff options
author | Jan Kiszka <jan.kiszka@siemens.com> | 2010-03-12 15:20:49 +0100 |
---|---|---|
committer | Marcelo Tosatti <mtosatti@redhat.com> | 2010-03-15 15:18:30 -0300 |
commit | ea3c8e4f0f0dfe2932e96c555a5179ed3ba3d0d3 (patch) | |
tree | 5b982a4b105800261f761c418cdc467bf6f0ae8b /kvm-all.c | |
parent | 8f3071c9719f9701d689980cad77daaebe01e65e (diff) |
KVM: x86: Add debug register saving and restoring
Make use of the new KVM_GET/SET_DEBUGREGS to save/restore the x86 debug
registers.
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 | 11 |
1 files changed, 11 insertions, 0 deletions
@@ -67,6 +67,7 @@ struct KVMState int migration_log; int vcpu_events; int robust_singlestep; + int debugregs; #ifdef KVM_CAP_SET_GUEST_DEBUG struct kvm_sw_breakpoint_head kvm_sw_breakpoints; #endif @@ -676,6 +677,11 @@ int kvm_init(int smp_cpus) kvm_check_extension(s, KVM_CAP_X86_ROBUST_SINGLESTEP); #endif + s->debugregs = 0; +#ifdef KVM_CAP_DEBUGREGS + s->debugregs = kvm_check_extension(s, KVM_CAP_DEBUGREGS); +#endif + ret = kvm_arch_init(s, smp_cpus); if (ret < 0) goto err; @@ -955,6 +961,11 @@ int kvm_has_robust_singlestep(void) return kvm_state->robust_singlestep; } +int kvm_has_debugregs(void) +{ + return kvm_state->debugregs; +} + void kvm_setup_guest_memory(void *start, size_t size) { if (!kvm_has_sync_mmu()) { |