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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-03-08 06:25:37 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-03-08 06:25:37 +0300 |
| commit | b5dd0c658c31b469ccff1b637e5124851e7a4a1c (patch) | |
| tree | dc0b31a5aa62bb4e1fa653a4f176c2faae51f9e0 /lib/Kconfig.ubsan | |
| parent | 610cd4eadec4f97acd25d3108b0e50d1362b3319 (diff) | |
| parent | fe0436e10c8845aed24cad3a1c719efcd6e583eb (diff) | |
| download | linux-b5dd0c658c31b469ccff1b637e5124851e7a4a1c.tar.xz | |
Merge branch 'akpm' (patches from Andrew)
Merge more updates from Andrew Morton:
- some of the rest of MM
- various misc things
- dynamic-debug updates
- checkpatch
- some epoll speedups
- autofs
- rapidio
- lib/, lib/lzo/ updates
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (83 commits)
samples/mic/mpssd/mpssd.h: remove duplicate header
kernel/fork.c: remove duplicated include
include/linux/relay.h: fix percpu annotation in struct rchan
arch/nios2/mm/fault.c: remove duplicate include
unicore32: stop printing the virtual memory layout
MAINTAINERS: fix GTA02 entry and mark as orphan
mm: create the new vm_fault_t type
arm, s390, unicore32: remove oneliner wrappers for memblock_alloc()
arch: simplify several early memory allocations
openrisc: simplify pte_alloc_one_kernel()
sh: prefer memblock APIs returning virtual address
microblaze: prefer memblock API returning virtual address
powerpc: prefer memblock APIs returning virtual address
lib/lzo: separate lzo-rle from lzo
lib/lzo: implement run-length encoding
lib/lzo: fast 8-byte copy on arm64
lib/lzo: 64-bit CTZ on arm64
lib/lzo: tidy-up ifdefs
ipc/sem.c: replace kvmalloc/memset with kvzalloc and use struct_size
ipc: annotate implicit fall through
...
Diffstat (limited to 'lib/Kconfig.ubsan')
| -rw-r--r-- | lib/Kconfig.ubsan | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/lib/Kconfig.ubsan b/lib/Kconfig.ubsan index 98fa559ebd80..a2ae4a8e4fa6 100644 --- a/lib/Kconfig.ubsan +++ b/lib/Kconfig.ubsan @@ -27,15 +27,19 @@ config UBSAN_SANITIZE_ALL Enabling this option will get kernel image size increased significantly. -config UBSAN_ALIGNMENT - bool "Enable checking of pointers alignment" +config UBSAN_NO_ALIGNMENT + bool "Disable checking of pointers alignment" depends on UBSAN - default y if !HAVE_EFFICIENT_UNALIGNED_ACCESS + default y if HAVE_EFFICIENT_UNALIGNED_ACCESS help - This option enables detection of unaligned memory accesses. - Enabling this option on architectures that support unaligned + This option disables the check of unaligned memory accesses. + This option should be used when building allmodconfig. + Disabling this option on architectures that support unaligned accesses may produce a lot of false positives. +config UBSAN_ALIGNMENT + def_bool !UBSAN_NO_ALIGNMENT + config TEST_UBSAN tristate "Module for testing for undefined behavior detection" depends on m && UBSAN |