Hi, Glauber
This is interesting facility. :-)
>+#define KVM_HCALL_REGISTER_CLOCK 1
>+
>+union kvm_hv_clock {
>+ struct {
>+ u64 tsc_mult;
>+ u64 now_ns;
>+ /* That's the wall clock, not the water closet */
>+ u64 wc_sec;
>+ u64 wc_nsec;
>+ u64 last_tsc;
>+ /* At first, we could use the tsc value as a marker, but Jeremy
>+ * well noted that it will cause us locking problems in 32-bit
>+ * sys, so we have a special version field */
>+ u32 version;
>+ };
>+ char page_align[PAGE_SIZE];
>+};
>+
Why does kvm_hv_clock need page_align?
And also the kvm_hv_clock is alloced with kvm_vcpu,
so the align is not enough, isn't it?
I thik __atribute__((__aligne__(PAGE_SIZE)))) is better than it.
Best Regards,
Akio Takebe
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