linux-kernel - [PATCH 3/4] mm: Make GENERIC

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Message-Id: <20250213040934.3245750-4-anshuman.khandual@arm.com>
Date: Thu, 13 Feb 2025 09:39:33 +0530
From: Anshuman Khandual <anshuman.khandual@....com>
To: linux-mm@...ck.org
Cc: steven.price@....com,
	christophe.leroy@...roup.eu,
	Anshuman Khandual <anshuman.khandual@....com>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-riscv@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH 3/4] mm: Make GENERIC_PTDUMP dependent on MMU

There is no page table dump without a MMU. Make this dependency at generic
level and drop the same from riscv platform instead.

Cc: Paul Walmsley <paul.walmsley@...ive.com>
Cc: Palmer Dabbelt <palmer@...belt.com>
Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: linux-riscv@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org
Cc: linux-mm@...ck.org
Signed-off-by: Anshuman Khandual <anshuman.khandual@....com>
---
 arch/riscv/Kconfig | 2 +-
 mm/Kconfig.debug   | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 7612c52e9b1e..c4cdba6460b8 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -112,7 +112,7 @@ config RISCV
 	select GENERIC_IRQ_SHOW_LEVEL
 	select GENERIC_LIB_DEVMEM_IS_ALLOWED
 	select GENERIC_PCI_IOMAP
-	select GENERIC_PTDUMP if MMU
+	select GENERIC_PTDUMP
 	select GENERIC_SCHED_CLOCK
 	select GENERIC_SMP_IDLE_THREAD
 	select GENERIC_TIME_VSYSCALL if MMU && 64BIT
diff --git a/mm/Kconfig.debug b/mm/Kconfig.debug
index a51a1149909a..c08406760d29 100644
--- a/mm/Kconfig.debug
+++ b/mm/Kconfig.debug
@@ -214,6 +214,7 @@ config DEBUG_WX
 	  If in doubt, say "Y".
 
 config GENERIC_PTDUMP
+	depends on MMU
 	bool
 
 config PTDUMP_CORE
-- 
2.25.1