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kvm: require KVM_CAP_INTERNAL_ERROR_DATA

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This was introduced in KVM in Linux 2.6.33, we can require it unconditionally.

Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2023-10-17 13:51:30 +02:00
parent cd08948840
commit aacec9aee1
1 changed files with 6 additions and 7 deletions
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13
accel/kvm/kvm-all.c
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@ -111,6 +111,7 @@ static const KVMCapabilityInfo kvm_required_capabilites[] = {
KVM_CAP_INFO(USER_MEMORY),
KVM_CAP_INFO(DESTROY_MEMORY_REGION_WORKS),
KVM_CAP_INFO(JOIN_MEMORY_REGIONS_WORKS),
KVM_CAP_INFO(INTERNAL_ERROR_DATA),
KVM_CAP_LAST_INFO
};
@ -2794,16 +2795,14 @@ static void kvm_handle_io(uint16_t port, MemTxAttrs attrs, void *data, int direc
static int kvm_handle_internal_error(CPUState *cpu, struct kvm_run *run)
{
int i;
fprintf(stderr, "KVM internal error. Suberror: %d\n",
run->internal.suberror);
if (kvm_check_extension(kvm_state, KVM_CAP_INTERNAL_ERROR_DATA)) {
int i;
for (i = 0; i < run->internal.ndata; ++i) {
fprintf(stderr, "extra data[%d]: 0x%016"PRIx64"\n",
i, (uint64_t)run->internal.data[i]);
}
for (i = 0; i < run->internal.ndata; ++i) {
fprintf(stderr, "extra data[%d]: 0x%016"PRIx64"\n",
i, (uint64_t)run->internal.data[i]);
}
if (run->internal.suberror == KVM_INTERNAL_ERROR_EMULATION) {
fprintf(stderr, "emulation failure\n");