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    SubjectRe: [PATCH 2/3] arm/xen: add support for vm_assist hypercall
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    On 22/06/16 09:03, Juergen Gross wrote:
    > Add support for the Xen HYPERVISOR_vm_assist hypercall.
    >
    > Signed-off-by: Juergen Gross <jgross@suse.com>

    Stefano, could you please comment?


    Juergen

    > ---
    > arch/arm/include/asm/xen/hypercall.h | 1 +
    > arch/arm/xen/enlighten.c | 1 +
    > arch/arm/xen/hypercall.S | 1 +
    > arch/arm64/xen/hypercall.S | 1 +
    > 4 files changed, 4 insertions(+)
    >
    > diff --git a/arch/arm/include/asm/xen/hypercall.h b/arch/arm/include/asm/xen/hypercall.h
    > index b6b962d..9d874db 100644
    > --- a/arch/arm/include/asm/xen/hypercall.h
    > +++ b/arch/arm/include/asm/xen/hypercall.h
    > @@ -52,6 +52,7 @@ int HYPERVISOR_memory_op(unsigned int cmd, void *arg);
    > int HYPERVISOR_physdev_op(int cmd, void *arg);
    > int HYPERVISOR_vcpu_op(int cmd, int vcpuid, void *extra_args);
    > int HYPERVISOR_tmem_op(void *arg);
    > +int HYPERVISOR_vm_assist(unsigned int cmd, unsigned int type);
    > int HYPERVISOR_platform_op_raw(void *arg);
    > static inline int HYPERVISOR_platform_op(struct xen_platform_op *op)
    > {
    > diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c
    > index 71db30c..0f3aa12 100644
    > --- a/arch/arm/xen/enlighten.c
    > +++ b/arch/arm/xen/enlighten.c
    > @@ -389,4 +389,5 @@ EXPORT_SYMBOL_GPL(HYPERVISOR_vcpu_op);
    > EXPORT_SYMBOL_GPL(HYPERVISOR_tmem_op);
    > EXPORT_SYMBOL_GPL(HYPERVISOR_platform_op);
    > EXPORT_SYMBOL_GPL(HYPERVISOR_multicall);
    > +EXPORT_SYMBOL_GPL(HYPERVISOR_vm_assist);
    > EXPORT_SYMBOL_GPL(privcmd_call);
    > diff --git a/arch/arm/xen/hypercall.S b/arch/arm/xen/hypercall.S
    > index 9a36f4f..a648dfc 100644
    > --- a/arch/arm/xen/hypercall.S
    > +++ b/arch/arm/xen/hypercall.S
    > @@ -91,6 +91,7 @@ HYPERCALL3(vcpu_op);
    > HYPERCALL1(tmem_op);
    > HYPERCALL1(platform_op_raw);
    > HYPERCALL2(multicall);
    > +HYPERCALL2(vm_assist);
    >
    > ENTRY(privcmd_call)
    > stmdb sp!, {r4}
    > diff --git a/arch/arm64/xen/hypercall.S b/arch/arm64/xen/hypercall.S
    > index 70df80e..329c802 100644
    > --- a/arch/arm64/xen/hypercall.S
    > +++ b/arch/arm64/xen/hypercall.S
    > @@ -82,6 +82,7 @@ HYPERCALL3(vcpu_op);
    > HYPERCALL1(tmem_op);
    > HYPERCALL1(platform_op_raw);
    > HYPERCALL2(multicall);
    > +HYPERCALL2(vm_assist);
    >
    > ENTRY(privcmd_call)
    > mov x16, x0
    >

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