diff mbox series

[-fixes,4/4] riscv: Fix config KASAN && DEBUG_VIRTUAL

Message ID 20220218133513.1762929-5-alexandre.ghiti@canonical.com (mailing list archive)
State New, archived
Headers show
Series Fixes KASAN and other along the way | expand

Commit Message

Alexandre Ghiti Feb. 18, 2022, 1:35 p.m. UTC 
__virt_to_phys function is called very early in the boot process (ie
kasan_early_init) so it should not be instrumented by KASAN otherwise it
bugs.

Fix this by declaring phys_addr.c as non-kasan instrumentable.

Signed-off-by: Alexandre Ghiti <alexandre.ghiti@canonical.com>
---
 arch/riscv/mm/Makefile | 3 +++
 1 file changed, 3 insertions(+)
diff mbox series

Patch

diff --git a/arch/riscv/mm/Makefile b/arch/riscv/mm/Makefile
index 7ebaef10ea1b..ac7a25298a04 100644
--- a/arch/riscv/mm/Makefile
+++ b/arch/riscv/mm/Makefile
@@ -24,6 +24,9 @@  obj-$(CONFIG_KASAN)   += kasan_init.o
 ifdef CONFIG_KASAN
 KASAN_SANITIZE_kasan_init.o := n
 KASAN_SANITIZE_init.o := n
+ifdef CONFIG_DEBUG_VIRTUAL
+KASAN_SANITIZE_physaddr.o := n
+endif
 endif
 
 obj-$(CONFIG_DEBUG_VIRTUAL) += physaddr.o