[PATCH v2 1/6] kasan: Document support on 32-bit powerpc
From: Paul Mackerras <hidden>
Date: 2022-05-18 10:11:55
Subsystem:
documentation, the rest · Maintainers:
Jonathan Corbet, Linus Torvalds
From: Daniel Axtens <redacted> KASAN is supported on 32-bit powerpc and the docs should reflect this. Suggested-by: Christophe Leroy <redacted> Reviewed-by: Christophe Leroy <redacted> Signed-off-by: Daniel Axtens <redacted> Signed-off-by: Paul Mackerras <redacted> --- Documentation/powerpc/kasan.txt | 12 ++++++++++++ 1 file changed, 12 insertions(+) create mode 100644 Documentation/powerpc/kasan.txt
diff --git a/Documentation/powerpc/kasan.txt b/Documentation/powerpc/kasan.txt
new file mode 100644
index 000000000000..26bb0e8bb18c
--- /dev/null
+++ b/Documentation/powerpc/kasan.txt@@ -0,0 +1,12 @@ +KASAN is supported on powerpc on 32-bit only. + +32 bit support +============== + +KASAN is supported on both hash and nohash MMUs on 32-bit. + +The shadow area sits at the top of the kernel virtual memory space above the +fixmap area and occupies one eighth of the total kernel virtual memory space. + +Instrumentation of the vmalloc area is optional, unless built with modules, +in which case it is required.
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2.35.3