firmware/br-ext-chip-allwinner/board/v83x/kernel/patches/00000-arch_arm_kernel_traps...

25 lines
750 B
Diff

diff -drupN a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
--- a/arch/arm/kernel/traps.c 2018-08-06 17:23:04.000000000 +0300
+++ b/arch/arm/kernel/traps.c 2022-06-12 05:28:14.000000000 +0300
@@ -95,7 +95,7 @@ void dump_backtrace_stm(u32 *stack, u32
printk("%s\n", str);
}
-#ifndef CONFIG_ARM_UNWIND
+#if !defined(CONFIG_ARM_UNWIND)
/*
* Stack pointers should always be within the kernels view of
* physical memory. If it is not there, then we can't dump
@@ -103,9 +103,11 @@ void dump_backtrace_stm(u32 *stack, u32
*/
static int verify_stack(unsigned long sp)
{
+#if !defined(CONFIG_VMAP_STACK)
if (sp < PAGE_OFFSET ||
(sp > (unsigned long)high_memory && high_memory != NULL))
return -EFAULT;
+#endif
return 0;
}