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[V2,4/5] mm: Make DEBUG_WX depdendent on GENERIC_PTDUMP

Message ID 20250217042220.32920-5-anshuman.khandual@arm.com (mailing list archive)
State Handled Elsewhere
Headers show
Series mm: Rework generic PTDUMP configs | expand

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Commit Message

Anshuman Khandual Feb. 17, 2025, 4:22 a.m. UTC 
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@linux-foundation.org>
Cc: linux-mm@kvack.org
Cc: linux-kernel@vger.kernel.org
Reviewed-by: Steven Price <steven.price@arm.com>
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
---
 mm/Kconfig.debug | 1 +
 1 file changed, 1 insertion(+)
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Patch

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