diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/arm/memory.rst | 12 | ||||
| -rw-r--r-- | Documentation/dev-tools/kasan.rst | 4 | ||||
| -rw-r--r-- | Documentation/features/debug/KASAN/arch-support.txt | 2 |
3 files changed, 14 insertions, 4 deletions
diff --git a/Documentation/arm/memory.rst b/Documentation/arm/memory.rst index 0521b4ce5c96..0cb1e2938823 100644 --- a/Documentation/arm/memory.rst +++ b/Documentation/arm/memory.rst @@ -45,9 +45,14 @@ fffe8000 fffeffff DTCM mapping area for platforms with fffe0000 fffe7fff ITCM mapping area for platforms with ITCM mounted inside the CPU. -ffc00000 ffefffff Fixmap mapping region. Addresses provided +ffc80000 ffefffff Fixmap mapping region. Addresses provided by fix_to_virt() will be located here. +ffc00000 ffc7ffff Guard region + +ff800000 ffbfffff Permanent, fixed read-only mapping of the + firmware provided DT blob + fee00000 feffffff Mapping of PCI I/O space. This is a static mapping within the vmalloc space. @@ -72,6 +77,11 @@ MODULES_VADDR MODULES_END-1 Kernel module space Kernel modules inserted via insmod are placed here using dynamic mappings. +TASK_SIZE MODULES_VADDR-1 KASAn shadow memory when KASan is in use. + The range from MODULES_VADDR to the top + of the memory is shadowed here with 1 bit + per byte of memory. + 00001000 TASK_SIZE-1 User space mappings Per-thread mappings are placed here via the mmap() system call. diff --git a/Documentation/dev-tools/kasan.rst b/Documentation/dev-tools/kasan.rst index 6b752a45a936..748149bca8d8 100644 --- a/Documentation/dev-tools/kasan.rst +++ b/Documentation/dev-tools/kasan.rst @@ -18,8 +18,8 @@ out-of-bounds accesses for global variables is only supported since Clang 11. Tag-based KASAN is only supported in Clang. -Currently generic KASAN is supported for the x86_64, arm64, xtensa, s390 and -riscv architectures, and tag-based KASAN is supported only for arm64. +Currently generic KASAN is supported for the x86_64, arm, arm64, xtensa, s390 +and riscv architectures, and tag-based KASAN is supported only for arm64. Usage ----- diff --git a/Documentation/features/debug/KASAN/arch-support.txt b/Documentation/features/debug/KASAN/arch-support.txt index c3fe9b266e7b..b2288dc14b72 100644 --- a/Documentation/features/debug/KASAN/arch-support.txt +++ b/Documentation/features/debug/KASAN/arch-support.txt @@ -8,7 +8,7 @@ ----------------------- | alpha: | TODO | | arc: | TODO | - | arm: | TODO | + | arm: | ok | | arm64: | ok | | c6x: | TODO | | csky: | TODO | |