Re: [PATCH v3 0/1] MR4409: wineboot: Compute and write the TSC frequency to registry ~Mhz.

[Rémi Bernon]

Rémi Bernon (@rbernon) commented about programs/wineboot/wineboot.c:
> +    if (ReadFile( handle, buf, sizeof(buf) - 1, &num_read, NULL ) && strcmp( "tsc", buf ))
> +        ret = FALSE;
> +
> +    CloseHandle( handle );
> +    return ret;
> +}
> +
> +static void initialize_qpc_features( struct _KUSER_SHARED_DATA *data, UINT64 *tsc_frequency )
> +{
> +    BOOL has_rdtscp = FALSE;
> +    int regs[4];
> +
> +    data->QpcBypassEnabled = 0;
> +    data->QpcFrequency = TICKSPERSEC;
> +    data->QpcShift = 0;
> +    data->QpcBias = 0;
> I don't think we really need these. At least not in this MR, it was used in an attempt at implementing Qpc bypass, but that ended up complicated.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/4409#note_52517