diff options
| author | Dave Airlie <airlied@redhat.com> | 2015-05-20 09:23:53 +0300 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2015-05-20 09:23:53 +0300 |
| commit | bdcddf95e82b1c4e370fc1196b1f4f50f775dab4 (patch) | |
| tree | ef2af2b3faee1f8e8287ca45d265809f56fbd0f6 /Documentation/kasan.txt | |
| parent | 91d9f9856f91c82ac6289a0fff65dd12cfa07e34 (diff) | |
| parent | e26081808edadfd257c6c9d81014e3b25e9a6118 (diff) | |
| download | linux-bdcddf95e82b1c4e370fc1196b1f4f50f775dab4.tar.xz | |
Backmerge v4.1-rc4 into into drm-next
We picked up a silent conflict in amdkfd with drm-fixes and drm-next,
backmerge v4.1-rc5 and fix the conflicts
Signed-off-by: Dave Airlie <airlied@redhat.com>
Conflicts:
drivers/gpu/drm/drm_irq.c
Diffstat (limited to 'Documentation/kasan.txt')
| -rw-r--r-- | Documentation/kasan.txt | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/Documentation/kasan.txt b/Documentation/kasan.txt index 092fc10961fe..4692241789b1 100644 --- a/Documentation/kasan.txt +++ b/Documentation/kasan.txt @@ -9,7 +9,9 @@ a fast and comprehensive solution for finding use-after-free and out-of-bounds bugs. KASan uses compile-time instrumentation for checking every memory access, -therefore you will need a certain version of GCC > 4.9.2 +therefore you will need a gcc version of 4.9.2 or later. KASan could detect out +of bounds accesses to stack or global variables, but only if gcc 5.0 or later was +used to built the kernel. Currently KASan is supported only for x86_64 architecture and requires that the kernel be built with the SLUB allocator. @@ -23,8 +25,8 @@ To enable KASAN configure kernel with: and choose between CONFIG_KASAN_OUTLINE and CONFIG_KASAN_INLINE. Outline/inline is compiler instrumentation types. The former produces smaller binary the -latter is 1.1 - 2 times faster. Inline instrumentation requires GCC 5.0 or -latter. +latter is 1.1 - 2 times faster. Inline instrumentation requires a gcc version +of 5.0 or later. Currently KASAN works only with the SLUB memory allocator. For better bug detection and nicer report, enable CONFIG_STACKTRACE and put |