Re: [RFC 03/33] KVM: x86: hyper-v: Introduce XMM output support

2023-11-08 Thread Alexander Graf
On 08.11.23 13:11, Vitaly Kuznetsov wrote: Alexander Graf writes: On 08.11.23 12:17, Nicolas Saenz Julienne wrote: Prepare infrastructure to be able to return data through the XMM registers when Hyper-V hypercalls are issues in fast mode. The XMM registers are exposed to user-space through K

Re: [RFC 03/33] KVM: x86: hyper-v: Introduce XMM output support

2023-11-08 Thread Vitaly Kuznetsov
Alexander Graf writes: > On 08.11.23 12:17, Nicolas Saenz Julienne wrote: >> Prepare infrastructure to be able to return data through the XMM >> registers when Hyper-V hypercalls are issues in fast mode. The XMM >> registers are exposed to user-space through KVM_EXIT_HYPERV_HCALL and >> restored

Re: [RFC 03/33] KVM: x86: hyper-v: Introduce XMM output support

2023-11-08 Thread Alexander Graf
On 08.11.23 12:17, Nicolas Saenz Julienne wrote: Prepare infrastructure to be able to return data through the XMM registers when Hyper-V hypercalls are issues in fast mode. The XMM registers are exposed to user-space through KVM_EXIT_HYPERV_HCALL and restored on successful hypercall completion.

[RFC 03/33] KVM: x86: hyper-v: Introduce XMM output support

2023-11-08 Thread Nicolas Saenz Julienne
Prepare infrastructure to be able to return data through the XMM registers when Hyper-V hypercalls are issues in fast mode. The XMM registers are exposed to user-space through KVM_EXIT_HYPERV_HCALL and restored on successful hypercall completion. Signed-off-by: Nicolas Saenz Julienne --- arch/x8