Messages in this thread | | | Subject | Re: [PATCH v2 01/29] LoongArch: KVM: Add kvm related header files | From | Tianrui Zhao <> | Date | Fri, 24 Feb 2023 09:27:31 +0800 |
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在 2023年02月21日 12:36, Xi Ruoyao 写道: > On Mon, 2023-02-20 at 14:57 +0800, Tianrui Zhao wrote: > > /* snip */ > >> +/* >> + * for KVM_GET_FPU and KVM_SET_FPU >> + */ >> +struct kvm_fpu { >> + __u32 fcsr; >> + __u32 none; >> + __u64 fcc; /* 8x8 */ >> + struct kvm_fpureg { >> + __u64 val64[4]; //support max 256 bits >> + } fpr[32]; > Do we need __attribute__((__aligned__(16))) for fpureg (like > sc_extcontext in struct sigcontext)?
Thanks, the loongarch_fpu variable is already has FPU_ALIGN feature in the kvm_vcpu_arch structure, so it need not to use __aligned__(16).
Thanks Tianrui Zhao
> >> +}; >> + >> +/* >> + * For LOONGARCH, we use KVM_SET_ONE_REG and KVM_GET_ONE_REG to > ^^^^^^^^^ > LoongArch
Thanks, I will fix it
Thanks Tianrui Zhao
> >> access various >> + * registers. The id field is broken down as follows: >> + * >> + * bits[63..52] - As per linux/kvm.h >> + * bits[51..32] - Must be zero. >> + * bits[31..16] - Register set.
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