linux/arch/xtensa/lib
Max Filippov c633544a61 xtensa: add support for KASAN
Cover kernel addresses above 0x90000000 by the shadow map. Enable
HAVE_ARCH_KASAN when MMU is enabled. Provide kasan_early_init that fills
shadow map with writable copies of kasan_zero_page. Call
kasan_early_init right after mmu initialization in the setup_arch.
Provide kasan_init that allocates proper shadow map pages from the
memblock and puts these pages into the shadow map for addresses from
VMALLOC area to the end of KSEG. Call kasan_init right after memblock
initialization. Don't use KASAN for the boot code, MMU and KASAN
initialization and page fault handler. Make kernel stack size 4 times
larger when KASAN is enabled to avoid stack overflows.
GCC 7.3, 8 or newer is required to build the xtensa kernel with KASAN.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
2017-12-16 22:37:12 -08:00
..
Makefile [STRING]: Move strcasecmp/strncasecmp to lib/string.c 2007-04-26 01:54:39 -07:00
checksum.S xtensa: clean up fixups in assembly code 2017-12-10 14:48:53 -08:00
memcopy.S xtensa: add support for KASAN 2017-12-16 22:37:12 -08:00
memset.S xtensa: add support for KASAN 2017-12-16 22:37:12 -08:00
pci-auto.c xtensa: clean up custom-controlled debug output 2017-12-16 22:37:08 -08:00
strncpy_user.S xtensa: clean up functions in assembly code 2017-12-10 14:48:54 -08:00
strnlen_user.S xtensa: clean up functions in assembly code 2017-12-10 14:48:54 -08:00
usercopy.S xtensa: clean up functions in assembly code 2017-12-10 14:48:54 -08:00