linux-kernel - [PATCH 2/4] mm: Make DEBUG_WX depdendent on GENERIC

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Message-Id: <20250213040934.3245750-3-anshuman.khandual@arm.com>
Date: Thu, 13 Feb 2025 09:39:32 +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>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: [PATCH 2/4] mm: Make DEBUG_WX depdendent on GENERIC_PTDUMP

DEBUG_WX selects PTDUMP_CORE without even ensuring that the given platform
implements GENERIC_PTDUMP. This problem has been latent until now, as all
the platforms subscribing ARCH_HAS_DEBUG_WX also subscribe GENERIC_PTDUMP.

Cc: Andrew Morton <akpm@...ux-foundation.org>
Cc: linux-mm@...ck.org
Cc: linux-kernel@...r.kernel.org
Signed-off-by: Anshuman Khandual <anshuman.khandual@....com>
---
 mm/Kconfig.debug | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mm/Kconfig.debug b/mm/Kconfig.debug
index 41a58536531d..a51a1149909a 100644
--- a/mm/Kconfig.debug
+++ b/mm/Kconfig.debug
@@ -186,6 +186,7 @@ config ARCH_HAS_DEBUG_WX
 config DEBUG_WX
 	bool "Warn on W+X mappings at boot"
 	depends on ARCH_HAS_DEBUG_WX
+	depends on GENERIC_PTDUMP
 	depends on MMU
 	select PTDUMP_CORE
 	help
-- 
2.25.1