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KVM: make pid available for uevents without debugfs

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Simplify and improve the code so that the PID is always available in
the uevent even when debugfs is not available.

This adds a userspace_pid field to struct kvm, as per Radim's
suggestion, so that the PID can be retrieved on destruction too.

Acked-by: Janosch Frank <frankja@linux.vnet.ibm.com>
Fixes: 286de8f6ac ("KVM: trigger uevents when creating or destroying a VM")
Signed-off-by: Claudio Imbrenda <imbrenda@linux.vnet.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Claudio Imbrenda 2017-07-24 13:40:03 +02:00 • committed by Paolo Bonzini
parent fa19871a16
commit fdeaf7e3eb
2 changed files with 12 additions and 22 deletions
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1
include/linux/kvm_host.h
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@ -445,6 +445,7 @@ struct kvm {
struct kvm_stat_data **debugfs_stat_data;
struct srcu_struct srcu;
struct srcu_struct irq_srcu;
pid_t userspace_pid;
};
#define kvm_err(fmt, ...) \