linux-kernel - [PATCH RFC v2 09/17] RISC-V: QoS: expose implementation to resctrl

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Message-Id: <20260128-ssqosid-cbqri-v2-9-dca586b091b9@kernel.org>
Date: Wed, 28 Jan 2026 12:27:30 -0800
From: Drew Fustini <fustini@...nel.org>
To: Paul Walmsley <pjw@...nel.org>, Palmer Dabbelt <palmer@...belt.com>, 
 Albert Ou <aou@...s.berkeley.edu>, Alexandre Ghiti <alex@...ti.fr>, 
 Radim Krčmář <rkrcmar@...tanamicro.com>, 
 Samuel Holland <samuel.holland@...ive.com>, 
 Adrien Ricciardi <aricciardi@...libre.com>, 
 Nicolas Pitre <npitre@...libre.com>, 
 Kornel Dulęba <mindal@...ihalf.com>, 
 Atish Patra <atish.patra@...ux.dev>, 
 Atish Kumar Patra <atishp@...osinc.com>, 
 Vasudevan Srinivasan <vasu@...osinc.com>, Ved Shanbhogue <ved@...osinc.com>, 
 yunhui cui <cuiyunhui@...edance.com>, Chen Pei <cp0613@...ux.alibaba.com>, 
 Liu Zhiwei <zhiwei_liu@...ux.alibaba.com>, Weiwei Li <liwei1518@...il.com>, 
 guo.wenjia23@....com.cn, liu.qingtao2@....com.cn, 
 Reinette Chatre <reinette.chatre@...el.com>, 
 Tony Luck <tony.luck@...el.com>, Babu Moger <babu.moger@....com>, 
 Peter Newman <peternewman@...gle.com>, Fenghua Yu <fenghua.yu@...el.com>, 
 James Morse <james.morse@....com>, Ben Horgan <ben.horgan@....com>, 
 Dave Martin <Dave.Martin@....com>, Drew Fustini <fustini@...nel.org>, 
 linux-kernel@...r.kernel.org, linux-riscv@...ts.infradead.org, 
 x86@...nel.org, Rob Herring <robh@...nel.org>, 
 "Rafael J. Wysocki" <rafael@...nel.org>, Len Brown <lenb@...nel.org>, 
 Robert Moore <robert.moore@...el.com>, Sunil V L <sunilvl@...tanamicro.com>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>
Cc: Paul Walmsley <paul.walmsley@...ive.com>, linux-acpi@...r.kernel.org, 
 acpica-devel@...ts.linux.dev, devicetree@...r.kernel.org
Subject: [PATCH RFC v2 09/17] RISC-V: QoS: expose implementation to resctrl

The generic resctrl header include/linux/resctrl.h includes
linux/riscv_qos.h when CONFIG_ARCH_HAS_CPU_RESCTRL is set.

Co-developed-by: Adrien Ricciardi <aricciardi@...libre.com>
Signed-off-by: Adrien Ricciardi <aricciardi@...libre.com>
Signed-off-by: Drew Fustini <fustini@...nel.org>
---
 MAINTAINERS                      | 1 +
 arch/riscv/include/asm/resctrl.h | 2 ++
 2 files changed, 3 insertions(+)

diff --git a/MAINTAINERS b/MAINTAINERS
index 31e536304972..96ead357a634 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -22510,6 +22510,7 @@ M:	Drew Fustini <fustini@...nel.org>
 L:	linux-riscv@...ts.infradead.org
 S:	Supported
 F:	arch/riscv/include/asm/qos.h
+F:	arch/riscv/include/asm/resctrl.h
 F:	arch/riscv/kernel/qos/
 F:	include/linux/riscv_qos.h

diff --git a/arch/riscv/include/asm/resctrl.h b/arch/riscv/include/asm/resctrl.h
new file mode 100644
index 000000000000..7d247d87dab9
--- /dev/null
+++ b/arch/riscv/include/asm/resctrl.h
@@ -0,0 +1,2 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+#include <linux/riscv_qos.h>

-- 
2.43.0