On Tue, Apr 13, 2021 at 04:09:48PM +0200, Vitaly Kuznetsov wrote:
> Siddharth Chandrasekaran writes:
> > Hyper-V supports the use of XMM registers to perform fast hypercalls.
> > This allows guests to take advantage of the improved performance of the
> > fast hypercall interface even though a hype
Siddharth Chandrasekaran writes:
> Hyper-V supports the use of XMM registers to perform fast hypercalls.
> This allows guests to take advantage of the improved performance of the
> fast hypercall interface even though a hypercall may require more than
> (the current maximum of) two input register
On Mon, Apr 12, 2021 at 08:13:19PM +, Wei Liu wrote:
> On Mon, Apr 12, 2021 at 07:00:16PM +0200, Siddharth Chandrasekaran wrote:
> > +
> > +static inline void kvm_hv_hypercall_read_xmm(struct kvm_hv_hcall *hc)
>
> Do you really need inline here? The compiler should be smart enough to
> inline
On Mon, Apr 12, 2021 at 07:00:16PM +0200, Siddharth Chandrasekaran wrote:
> +
> +static inline void kvm_hv_hypercall_read_xmm(struct kvm_hv_hcall *hc)
Do you really need inline here? The compiler should be smart enough to
inline this function if necessary.
> +{
> + int reg;
> +
> + kvm_fp
Hyper-V supports the use of XMM registers to perform fast hypercalls.
This allows guests to take advantage of the improved performance of the
fast hypercall interface even though a hypercall may require more than
(the current maximum of) two input registers.
The XMM fast hypercall interface uses s
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