+ mm-make-debug_wx-depdendent-on-generic_ptdump.patch added to mm-unstable branch

[Andrew Morton <akpm@linux-foundation.org>]

The patch titled
     Subject: mm: make DEBUG_WX depdendent on GENERIC_PTDUMP
has been added to the -mm mm-unstable branch.  Its filename is
     mm-make-debug_wx-depdendent-on-generic_ptdump.patch

This patch will shortly appear at
     https://git.kernel.org/pub/scm/linux/kernel/git/akpm/25-new.git/tree/patches/mm-make-debug_wx-depdendent-on-generic_ptdump.patch

This patch will later appear in the mm-unstable branch at
    git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm

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------------------------------------------------------
From: Anshuman Khandual <anshuman.khandual@arm.com>
Subject: mm: make DEBUG_WX depdendent on GENERIC_PTDUMP
Date: Mon, 17 Feb 2025 09:52:19 +0530

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.

Link: https://lkml.kernel.org/r/20250217042220.32920-5-anshuman.khandual@arm.com
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: Steven Price <steven.price@arm.com>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Christophe Leroy <christophe.leroy@csgroup.eu>
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Madhavan Srinivasan <maddy@linux.ibm.com>
Cc: Marc Zyngier <maz@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Michael Ellerman <mpe@ellerman.id.au>
Cc: Nicholas Piggin <npiggin@gmail.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Will Deacon <will@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/Kconfig.debug |    1 +
 1 file changed, 1 insertion(+)

--- a/mm/Kconfig.debug~mm-make-debug_wx-depdendent-on-generic_ptdump
+++ a/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
_

Patches currently in -mm which might be from anshuman.khandual@arm.com are

configs-drop-generic_ptdump-from-debugconfig.patch
arch-powerpc-drop-generic_ptdump-from-mpc885_ads_defconfig.patch
docs-arm64-drop-ptdump-config-options-from-ptdumprst.patch
mm-make-debug_wx-depdendent-on-generic_ptdump.patch
mm-rename-generic_ptdump-and-ptdump_core.patch