RE: [PATCH v5 2/2] x86/resctrl: Remove arch_has_empty_bitmaps

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To: Babu Moger <babu.moger@xxxxxxx>, "corbet@xxxxxxx" <corbet@xxxxxxx>, "Chatre, Reinette" <reinette.chatre@xxxxxxxxx>, "tglx@xxxxxxxxxxxxx" <tglx@xxxxxxxxxxxxx>, "mingo@xxxxxxxxxx" <mingo@xxxxxxxxxx>, "bp@xxxxxxxxx" <bp@xxxxxxxxx>
Subject: RE: [PATCH v5 2/2] x86/resctrl: Remove arch_has_empty_bitmaps
From: "Yu, Fenghua" <fenghua.yu@xxxxxxxxx>
Date: Tue, 27 Sep 2022 23:20:22 +0000
Accept-language: en-US
Cc: "dave.hansen@xxxxxxxxxxxxxxx" <dave.hansen@xxxxxxxxxxxxxxx>, "x86@xxxxxxxxxx" <x86@xxxxxxxxxx>, "hpa@xxxxxxxxx" <hpa@xxxxxxxxx>, "paulmck@xxxxxxxxxx" <paulmck@xxxxxxxxxx>, "akpm@xxxxxxxxxxxxxxxxxxxx" <akpm@xxxxxxxxxxxxxxxxxxxx>, "quic_neeraju@xxxxxxxxxxx" <quic_neeraju@xxxxxxxxxxx>, "rdunlap@xxxxxxxxxxxxx" <rdunlap@xxxxxxxxxxxxx>, "damien.lemoal@xxxxxxxxxxxxxxxxxx" <damien.lemoal@xxxxxxxxxxxxxxxxxx>, "songmuchun@xxxxxxxxxxxxx" <songmuchun@xxxxxxxxxxxxx>, "peterz@xxxxxxxxxxxxx" <peterz@xxxxxxxxxxxxx>, "jpoimboe@xxxxxxxxxx" <jpoimboe@xxxxxxxxxx>, "pbonzini@xxxxxxxxxx" <pbonzini@xxxxxxxxxx>, "Bae, Chang Seok" <chang.seok.bae@xxxxxxxxx>, "pawan.kumar.gupta@xxxxxxxxxxxxxxx" <pawan.kumar.gupta@xxxxxxxxxxxxxxx>, "jmattson@xxxxxxxxxx" <jmattson@xxxxxxxxxx>, "daniel.sneddon@xxxxxxxxxxxxxxx" <daniel.sneddon@xxxxxxxxxxxxxxx>, "sandipan.das@xxxxxxx" <sandipan.das@xxxxxxx>, "Luck, Tony" <tony.luck@xxxxxxxxx>, "james.morse@xxxxxxx" <james.morse@xxxxxxx>, "linux-doc@xxxxxxxxxxxxxxx" <linux-doc@xxxxxxxxxxxxxxx>, "linux-kernel@xxxxxxxxxxxxxxx" <linux-kernel@xxxxxxxxxxxxxxx>, "bagasdotme@xxxxxxxxx" <bagasdotme@xxxxxxxxx>, "Eranian, Stephane" <eranian@xxxxxxxxxx>
Dlp-product: dlpe-windows
Dlp-reaction: no-action
Dlp-version: 11.6.500.17
In-reply-to: <166430979654.372014.615622285687642644.stgit@bmoger-ubuntu>
References: <166430959655.372014.14294247239089851375.stgit@bmoger-ubuntu> <166430979654.372014.615622285687642644.stgit@bmoger-ubuntu>

> The field arch_has_empty_bitmaps is not required anymore. The field
> min_cbm_bits is enough to validate the CBM (capacity bit mask) if the
> architecture can support the zero CBM or not.
> 
> Suggested-by: Reinette Chatre <reinette.chatre@xxxxxxxxx>
> Signed-off-by: Babu Moger <babu.moger@xxxxxxx>
> Reviewed-by: Reinette Chatre <reinette.chatre@xxxxxxxxx>

Reviewed-by: Fenghua Yu <fenghua.yu@xxxxxxxxx>

References:
- [PATCH v5 0/2] x86/resctrl: Fix min_cbm_bits for AMD and code cleanup
  - From: Babu Moger
- [PATCH v5 2/2] x86/resctrl: Remove arch_has_empty_bitmaps
  - From: Babu Moger

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