diff options
| author | Xiantao Zhang <xiantao.zhang@intel.com> | 2008-11-21 17:16:07 +0800 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2008-12-31 16:54:59 +0200 |
| commit | 9f7d5bb5e2abf5316bb17eb3e7751dbafa09e5cf (patch) | |
| tree | 1d26023244a8882cda214019b59a6a237f707e55 /arch/ia64/kvm/vmm_ivt.S | |
| parent | 5e2be19832ccf93bf731a1758ec9fabf48414584 (diff) | |
KVM: ia64: Add handler for crashed vmm
Since vmm runs in an isolated address space and it is just a copy
of host's kvm-intel module, so once vmm crashes, we just crash all guests
running on it instead of crashing whole kernel.
Signed-off-by: Xiantao Zhang <xiantao.zhang@intel.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/ia64/kvm/vmm_ivt.S')
| -rw-r--r-- | arch/ia64/kvm/vmm_ivt.S | 31 |
1 files changed, 19 insertions, 12 deletions
diff --git a/arch/ia64/kvm/vmm_ivt.S b/arch/ia64/kvm/vmm_ivt.S index c1d7251a148..50b46462853 100644 --- a/arch/ia64/kvm/vmm_ivt.S +++ b/arch/ia64/kvm/vmm_ivt.S @@ -70,14 +70,12 @@ # define PSR_DEFAULT_BITS 0 #endif - #define KVM_FAULT(n) \ kvm_fault_##n:; \ mov r19=n;; \ - br.sptk.many kvm_fault_##n; \ + br.sptk.many kvm_vmm_panic; \ ;; \ - #define KVM_REFLECT(n) \ mov r31=pr; \ mov r19=n; /* prepare to save predicates */ \ @@ -85,17 +83,26 @@ ;; \ tbit.z p6,p7=r29,IA64_PSR_VM_BIT; \ (p7)br.sptk.many kvm_dispatch_reflection; \ - br.sptk.many kvm_panic; \ - + br.sptk.many kvm_vmm_panic; \ -GLOBAL_ENTRY(kvm_panic) - br.sptk.many kvm_panic +GLOBAL_ENTRY(kvm_vmm_panic) + KVM_SAVE_MIN_WITH_COVER_R19 + alloc r14=ar.pfs,0,0,1,0 + mov out0=r15 + adds r3=8,r2 // set up second base pointer ;; -END(kvm_panic) - - - - + ssm psr.ic + ;; + srlz.i // guarantee that interruption collection is on + ;; + //(p15) ssm psr.i // restore psr.i + addl r14=@gprel(ia64_leave_hypervisor),gp + ;; + KVM_SAVE_REST + mov rp=r14 + ;; + br.call.sptk.many b6=vmm_panic_handler; +END(kvm_vmm_panic) .section .text.ivt,"ax" |