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authorFlorian Fainelli <f.fainelli@gmail.com>2017-09-08 16:15:31 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2017-09-08 18:26:49 -0700
commite4dace3615526fd66c86dd535ee4bc9e8c706e37 (patch)
tree48e3720ba8cebfba4d4c3ed753025a1854b9a758 /lib/Kconfig.debug
parent9888a588ea96ba2804f955bbc2667346719da887 (diff)
downloadlinux-e4dace3615526fd66c86dd535ee4bc9e8c706e37.tar.bz2
lib: add test module for CONFIG_DEBUG_VIRTUAL
Add a test module that allows testing that CONFIG_DEBUG_VIRTUAL works correctly, at least that it can catch invalid calls to virt_to_phys() against the non-linear kernel virtual address map. Link: http://lkml.kernel.org/r/20170808164035.26725-1-f.fainelli@gmail.com Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Cc: "Luis R. Rodriguez" <mcgrof@kernel.org> Cc: Kees Cook <keescook@chromium.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'lib/Kconfig.debug')
-rw-r--r--lib/Kconfig.debug11
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
index 7396f5044397..b19c491cbc4e 100644
--- a/lib/Kconfig.debug
+++ b/lib/Kconfig.debug
@@ -1930,6 +1930,17 @@ config TEST_KMOD
If unsure, say N.
+config TEST_DEBUG_VIRTUAL
+ tristate "Test CONFIG_DEBUG_VIRTUAL feature"
+ depends on DEBUG_VIRTUAL
+ help
+ Test the kernel's ability to detect incorrect calls to
+ virt_to_phys() done against the non-linear part of the
+ kernel's virtual address map.
+
+ If unsure, say N.
+
+
source "samples/Kconfig"
source "lib/Kconfig.kgdb"