mirror of https://gitee.com/openkylin/linux.git
c633544a61
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> |
||
|---|---|---|
| .. | ||
| Makefile | ||
| checksum.S | ||
| memcopy.S | ||
| memset.S | ||
| pci-auto.c | ||
| strncpy_user.S | ||
| strnlen_user.S | ||
| usercopy.S | ||