Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Received-SPF: Pass (protection.outlook.com: domain of amd.com designates
 165.204.84.17 as permitted sender) receiver=protection.outlook.com;
 client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C
Subject: [PATCH v5 2/8] x86/resctrl: Simplify rftype flag definitions
From:   Babu Moger <babu.moger@amd.com>
To:     <corbet@lwn.net>, <reinette.chatre@intel.com>,
        <tglx@linutronix.de>, <mingo@redhat.com>, <bp@alien8.de>
CC:     <fenghua.yu@intel.com>, <dave.hansen@linux.intel.com>,
        <x86@kernel.org>, <hpa@zytor.com>, <paulmck@kernel.org>,
        <akpm@linux-foundation.org>, <quic_neeraju@quicinc.com>,
        <rdunlap@infradead.org>, <damien.lemoal@opensource.wdc.com>,
        <songmuchun@bytedance.com>, <peterz@infradead.org>,
        <jpoimboe@kernel.org>, <pbonzini@redhat.com>, <babu.moger@amd.com>,
        <chang.seok.bae@intel.com>, <pawan.kumar.gupta@linux.intel.com>,
        <jmattson@google.com>, <daniel.sneddon@linux.intel.com>,
        <sandipan.das@amd.com>, <tony.luck@intel.com>,
        <james.morse@arm.com>, <linux-doc@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>, <bagasdotme@gmail.com>,
        <eranian@google.com>, <christophe.leroy@csgroup.eu>,
        <pawan.kumar.gupta@linux.intel.com>, <jarkko@kernel.org>,
        <adrian.hunter@intel.com>, <quic_jiles@quicinc.com>,
        <peternewman@google.com>, <babu.moger@amd.com>
Date:   Thu, 1 Jun 2023 14:01:04 -0500
Message-ID: <168564606414.527584.9565322327658331140.stgit@bmoger-ubuntu>
In-Reply-To: <168564586603.527584.10518315376465080920.stgit@bmoger-ubuntu>
References: <168564586603.527584.10518315376465080920.stgit@bmoger-ubuntu>
User-Agent: StGit/1.1.dev103+g5369f4c
MIME-Version: 1.0
Content-Type: text/plain; charset="utf-8"
Content-Transfer-Encoding: quoted-printable
X-MS-Exchange-CrossTenant-OriginalArrivalTime: 01 Jun 2023 19:01:09.2943
 (UTC)
X-MS-Exchange-CrossTenant-Network-Message-Id: 7cab67f2-1f71-4b8d-fc38-08db62d28f84
X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d
X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d;Ip=[165.204.84.17];Helo=[SATLEXMB04.amd.com]
X-MS-Exchange-CrossTenant-AuthSource: BN8NAM11FT086.eop-nam11.prod.protection.outlook.com
X-MS-Exchange-CrossTenant-AuthAs: Anonymous
X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem
X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN0PR12MB6149
X-Spam-Status: No, score=-1.1 required=5.0 tests=BAYES_00,DKIM_SIGNED,
        DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FORGED_SPF_HELO,
        RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_NONE,
        T_SCC_BODY_TEXT_LINE autolearn=no autolearn_force=no version=3.4.6
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on
        lindbergh.monkeyblade.net
Precedence: bulk
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

The rftype flags are bitmaps used for adding files under resctrl=0A=
filesystem. Some of these bitmaps have one extra level of indirection=0A=
which is not necessary.=0A=
=0A=
Make them all direct definition to be consistent and easier to read.=0A=
=0A=
Signed-off-by: Babu Moger <babu.moger@amd.com>=0A=
---=0A=
 arch/x86/kernel/cpu/resctrl/internal.h |    9 +++------=0A=
 arch/x86/kernel/cpu/resctrl/rdtgroup.c |    6 +++++-=0A=
 2 files changed, 8 insertions(+), 7 deletions(-)=0A=
=0A=
diff --git a/arch/x86/kernel/cpu/resctrl/internal.h b/arch/x86/kernel/cpu/r=
esctrl/internal.h=0A=
index 85ceaf9a31ac..62767774810d 100644=0A=
--- a/arch/x86/kernel/cpu/resctrl/internal.h=0A=
+++ b/arch/x86/kernel/cpu/resctrl/internal.h=0A=
@@ -243,12 +243,9 @@ struct rdtgroup {=0A=
  */=0A=
 #define RFTYPE_INFO			BIT(0)=0A=
 #define RFTYPE_BASE			BIT(1)=0A=
-#define RF_CTRLSHIFT			4=0A=
-#define RF_MONSHIFT			5=0A=
-#define RF_TOPSHIFT			6=0A=
-#define RFTYPE_CTRL			BIT(RF_CTRLSHIFT)=0A=
-#define RFTYPE_MON			BIT(RF_MONSHIFT)=0A=
-#define RFTYPE_TOP			BIT(RF_TOPSHIFT)=0A=
+#define RFTYPE_CTRL			BIT(4)=0A=
+#define RFTYPE_MON			BIT(5)=0A=
+#define RFTYPE_TOP			BIT(6)=0A=
 #define RFTYPE_RES_CACHE		BIT(8)=0A=
 #define RFTYPE_RES_MB			BIT(9)=0A=
 #define RF_CTRL_INFO			(RFTYPE_INFO | RFTYPE_CTRL)=0A=
diff --git a/arch/x86/kernel/cpu/resctrl/rdtgroup.c b/arch/x86/kernel/cpu/r=
esctrl/rdtgroup.c=0A=
index 504137a5d31f..181612d2c84b 100644=0A=
--- a/arch/x86/kernel/cpu/resctrl/rdtgroup.c=0A=
+++ b/arch/x86/kernel/cpu/resctrl/rdtgroup.c=0A=
@@ -3220,7 +3220,11 @@ static int mkdir_rdt_prepare(struct kernfs_node *par=
ent_kn,=0A=
 		goto out_destroy;=0A=
 	}=0A=
 =0A=
-	files =3D RFTYPE_BASE | BIT(RF_CTRLSHIFT + rtype);=0A=
+	if (rtype =3D=3D RDTCTRL_GROUP)=0A=
+		files =3D RFTYPE_BASE | RFTYPE_CTRL;=0A=
+	else=0A=
+		files =3D RFTYPE_BASE | RFTYPE_MON;=0A=
+=0A=
 	ret =3D rdtgroup_add_files(kn, files);=0A=
 	if (ret) {=0A=
 		rdt_last_cmd_puts("kernfs fill error\n");=0A=
=0A=