linux-kernel - [PATCH 2/2] mm: add MMU dependency for DEBUG

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Message-Id: <4a674ac7863ff39ca91847b10e51209771f99416.1589178399.git.zong.li@sifive.com>
Date:   Mon, 11 May 2020 14:28:20 +0800
From:   Zong Li <zong.li@...ive.com>
To:     akpm@...ux-foundation.org, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org
Cc:     Zong Li <zong.li@...ive.com>, kbuild test robot <lkp@...el.com>
Subject: [PATCH 2/2] mm: add MMU dependency for DEBUG_WX

DEBUG_WX should be enabled on MMU system. It had got build error when
enabling DEBUG_WX on NOMMU.

Signed-off-by: Zong Li <zong.li@...ive.com>
Reported-by: kbuild test robot <lkp@...el.com>
---
 mm/Kconfig.debug | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mm/Kconfig.debug b/mm/Kconfig.debug
index b8cbe035247f..2409f7fc1567 100644
--- a/mm/Kconfig.debug
+++ b/mm/Kconfig.debug
@@ -124,6 +124,7 @@ config ARCH_HAS_DEBUG_WX
 config DEBUG_WX
 	bool "Warn on W+X mappings at boot"
 	depends on ARCH_HAS_DEBUG_WX
+	depends on MMU
 	select PTDUMP_CORE
 	help
 	  Generate a warning if any W+X mappings are found at boot.
-- 
2.26.2