On Sat, Aug 15, 2020 at 11:13:36AM +0200, Ingo Molnar wrote:
>
> * Yazen Ghannam wrote:
>
> > + /* Read D18F1x208 (System Fabric ID Mask 0). */
> > + if (amd_df_indirect_read(nid, 1, 0x208, umc, ))
> > + goto out_err;
> > +
> > + /* Determine if system is a legacy Data
* Yazen Ghannam wrote:
> + /* Read D18F1x208 (System Fabric ID Mask 0). */
> + if (amd_df_indirect_read(nid, 1, 0x208, umc, ))
> + goto out_err;
> +
> + /* Determine if system is a legacy Data Fabric type. */
> + legacy_df = !(tmp & 0xFF);
1)
I see this pattern in
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