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authorAlexandre Ghiti <alexandre.ghiti@canonical.com>2022-02-25 13:39:51 +0100
committerPalmer Dabbelt <palmer@rivosinc.com>2022-03-04 00:32:41 +0100
commitc648c4bb7d02ceb53ee40172fdc4433b37cee9c6 (patch)
treee67d89772dabc9fb768684f51f3a796a88cc8a25 /arch/riscv/mm/Makefile
parentriscv: Fix DEBUG_VIRTUAL false warnings (diff)
downloadlinux-c648c4bb7d02ceb53ee40172fdc4433b37cee9c6.tar.xz
linux-c648c4bb7d02ceb53ee40172fdc4433b37cee9c6.zip
riscv: Fix config KASAN && DEBUG_VIRTUAL
__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> Fixes: 8ad8b72721d0 (riscv: Add KASAN support) Cc: stable@vger.kernel.org Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to '')
-rw-r--r--arch/riscv/mm/Makefile3
1 files changed, 3 insertions, 0 deletions
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