linux-kernel - [PATCH v8 02/43] kasan: KASAN_VMALLOC depends on KASAN

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Message-Id: <f6161319e205bf6aff30ad4d46c93e66e60bb7ed.1604531793.git.andreyknvl@google.com>
Date:   Thu,  5 Nov 2020 00:18:17 +0100
From:   Andrey Konovalov <andreyknvl@...gle.com>
To:     Catalin Marinas <catalin.marinas@....com>
Cc:     Will Deacon <will.deacon@....com>,
        Vincenzo Frascino <vincenzo.frascino@....com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Andrey Ryabinin <aryabinin@...tuozzo.com>,
        Alexander Potapenko <glider@...gle.com>,
        Marco Elver <elver@...gle.com>,
        Evgenii Stepanov <eugenis@...gle.com>,
        Branislav Rankov <Branislav.Rankov@....com>,
        Kevin Brodsky <kevin.brodsky@....com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        kasan-dev@...glegroups.com, linux-arm-kernel@...ts.infradead.org,
        linux-mm@...ck.org, linux-kernel@...r.kernel.org,
        Andrey Konovalov <andreyknvl@...gle.com>
Subject: [PATCH v8 02/43] kasan: KASAN_VMALLOC depends on KASAN_GENERIC

Currently only generic KASAN mode supports vmalloc, reflect that
in the config.

Signed-off-by: Andrey Konovalov <andreyknvl@...gle.com>
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@....com>
Reviewed-by: Marco Elver <elver@...gle.com>
---
Change-Id: I1889e5b3bed28cc5d607802fb6ae43ba461c0dc1
---
 lib/Kconfig.kasan | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Kconfig.kasan b/lib/Kconfig.kasan
index 542a9c18398e..8f0742a0f23e 100644
--- a/lib/Kconfig.kasan
+++ b/lib/Kconfig.kasan
@@ -155,7 +155,7 @@ config KASAN_SW_TAGS_IDENTIFY
 
 config KASAN_VMALLOC
 	bool "Back mappings in vmalloc space with real shadow memory"
-	depends on HAVE_ARCH_KASAN_VMALLOC
+	depends on KASAN_GENERIC && HAVE_ARCH_KASAN_VMALLOC
 	help
 	  By default, the shadow region for vmalloc space is the read-only
 	  zero page. This means that KASAN cannot detect errors involving
-- 
2.29.1.341.ge80a0c044ae-goog