linux-kernel - [RFC PATCH 29/38] arm_mpam: resctrl: Call resctrl_init() on platforms that can support resctrl

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Message-Id: <20251205215901.17772-30-james.morse@arm.com>
Date: Fri,  5 Dec 2025 21:58:52 +0000
From: James Morse <james.morse@....com>
To: linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Cc: James Morse <james.morse@....com>,
	D Scott Phillips OS <scott@...amperecomputing.com>,
	carl@...amperecomputing.com,
	lcherian@...vell.com,
	bobo.shaobowang@...wei.com,
	tan.shaopeng@...itsu.com,
	baolin.wang@...ux.alibaba.com,
	Jamie Iles <quic_jiles@...cinc.com>,
	Xin Hao <xhao@...ux.alibaba.com>,
	peternewman@...gle.com,
	dfustini@...libre.com,
	amitsinght@...vell.com,
	David Hildenbrand <david@...nel.org>,
	Dave Martin <dave.martin@....com>,
	Koba Ko <kobak@...dia.com>,
	Shanker Donthineni <sdonthineni@...dia.com>,
	fenghuay@...dia.com,
	baisheng.gao@...soc.com,
	Jonathan Cameron <jonathan.cameron@...wei.com>,
	Gavin Shan <gshan@...hat.com>,
	Ben Horgan <ben.horgan@....com>,
	rohit.mathew@....com,
	reinette.chatre@...el.com,
	Punit Agrawal <punit.agrawal@....qualcomm.com>
Subject: [RFC PATCH 29/38] arm_mpam: resctrl: Call resctrl_init() on platforms that can support resctrl

Now that MPAM links against resctrl, call resctrl_init() to register
the filesystem and setup resctrl's strutures.

Signed-off-by: James Morse <james.morse@....com>
---
 drivers/resctrl/mpam_resctrl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/resctrl/mpam_resctrl.c b/drivers/resctrl/mpam_resctrl.c
index 00455de3efe9..eb3caee45470 100644
--- a/drivers/resctrl/mpam_resctrl.c
+++ b/drivers/resctrl/mpam_resctrl.c
@@ -1768,7 +1768,7 @@ int mpam_resctrl_setup(void)
 			pr_warn("Number of PMG is not a power of 2! resctrl may misbehave");
 		}
 
-		/* TODO: call resctrl_init() */
+		err = resctrl_init();
 	}
 
 	return err;
-- 
2.39.5