Merge tag 'sound-5.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai...

[linux-2.6-microblaze.git] / arch / arm / kernel / unwind.c

diff --git a/arch/arm/kernel/unwind.c b/arch/arm/kernel/unwind.c
index d2bd0df..59fdf25 100644 (file)
--- a/arch/arm/kernel/unwind.c
+++ b/arch/arm/kernel/unwind.c
@@ -18,9 +18,6 @@
 #warning Your compiler does not have EABI support.
 #warning    ARM unwind is known to compile only with EABI compilers.
 #warning    Change compiler or disable ARM_UNWIND option.
-#elif (__GNUC__ == 4 && __GNUC_MINOR__ <= 2) && !defined(__clang__)
-#warning Your compiler is too buggy; it is known to not compile ARM unwind support.
-#warning    Change compiler or disable ARM_UNWIND option.
 #endif
 #endif /* __CHECKER__ */
 
@@ -236,7 +233,11 @@ static int unwind_pop_register(struct unwind_ctrl_block *ctrl,
                if (*vsp >= (unsigned long *)ctrl->sp_high)
                        return -URC_FAILURE;
 
-       ctrl->vrs[reg] = *(*vsp)++;
+       /* Use READ_ONCE_NOCHECK here to avoid this memory access
+        * from being tracked by KASAN.
+        */
+       ctrl->vrs[reg] = READ_ONCE_NOCHECK(*(*vsp));
+       (*vsp)++;
        return URC_OK;
 }