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KVM: MMU: fix kvm_mmu_pagetable_walk tracepoint
The P bit of page fault error code is missed in this tracepoint, fix it by passing the full error code Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.com> Signed-off-by: Avi Kivity <avi@redhat.com>
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@ -54,8 +54,8 @@
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*/
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TRACE_EVENT(
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kvm_mmu_pagetable_walk,
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TP_PROTO(u64 addr, int write_fault, int user_fault, int fetch_fault),
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TP_ARGS(addr, write_fault, user_fault, fetch_fault),
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TP_PROTO(u64 addr, u32 pferr),
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TP_ARGS(addr, pferr),
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TP_STRUCT__entry(
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__field(__u64, addr)
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@ -64,8 +64,7 @@ TRACE_EVENT(
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TP_fast_assign(
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__entry->addr = addr;
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__entry->pferr = (!!write_fault << 1) | (!!user_fault << 2)
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| (!!fetch_fault << 4);
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__entry->pferr = pferr;
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),
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TP_printk("addr %llx pferr %x %s", __entry->addr, __entry->pferr,
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@ -154,8 +154,7 @@ static int FNAME(walk_addr_generic)(struct guest_walker *walker,
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const int fetch_fault = access & PFERR_FETCH_MASK;
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u16 errcode = 0;
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trace_kvm_mmu_pagetable_walk(addr, write_fault, user_fault,
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fetch_fault);
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trace_kvm_mmu_pagetable_walk(addr, access);
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retry_walk:
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eperm = false;
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walker->level = mmu->root_level;
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