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KVM: add hypercall nr to kvm_run

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Add the hypercall number to kvm_run and initialize it.  This changes the ABI,
but as this particular ABI was unusable before this no users are affected.

Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Signed-off-by: Avi Kivity <avi@qumranet.com>
This commit is contained in:
Jeff Dike 2007-07-16 15:24:47 -04:00 • committed by Avi Kivity
parent 1c3d14fe0a
commit 519ef35341
2 changed files with 2 additions and 0 deletions
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1
drivers/kvm/kvm_main.c
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@ -1378,6 +1378,7 @@ int kvm_hypercall(struct kvm_vcpu *vcpu, struct kvm_run *run)
} }
switch (nr) { switch (nr) {
default: default:
run->hypercall.nr = nr;
run->hypercall.args[0] = a0; run->hypercall.args[0] = a0;
run->hypercall.args[1] = a1; run->hypercall.args[1] = a1;
run->hypercall.args[2] = a2; run->hypercall.args[2] = a2;

1
include/linux/kvm.h
View file

@ -99,6 +99,7 @@ struct kvm_run {
} mmio; } mmio;
/* KVM_EXIT_HYPERCALL */ /* KVM_EXIT_HYPERCALL */
struct { struct {
__u64 nr;
__u64 args[6]; __u64 args[6];
__u64 ret; __u64 ret;
__u32 longmode; __u32 longmode;