From e7ec2d73996b336eb5d7e6fc0f4607589b07a09e Mon Sep 17 00:00:00 2001 From: Florian Fainelli Date: Thu, 7 Jul 2022 15:06:21 -0700 Subject: [PATCH] kernel: add KERNEL_DEBUG_VIRTUAL This option allows turning on CONFIG_DEBUG_VIRTUAL which is useful to debug incorrect uses of the virtual to physical and physical to virtual translations functions. Signed-off-by: Florian Fainelli --- config/Config-kernel.in | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/config/Config-kernel.in b/config/Config-kernel.in index 7cd7906dc9..f1ee919ee3 100644 --- a/config/Config-kernel.in +++ b/config/Config-kernel.in @@ -414,6 +414,14 @@ config KERNEL_DEBUG_LL help ARM low level debugging. +config KERNEL_DEBUG_VIRTUAL + bool "Compile the kernel with VM translations debugging" + select KERNEL_DEBUG_KERNEL + default n + help + Enable checks sanity checks to catch invalid uses of + virt_to_phys()/phys_to_virt() against the non-linear address space. + config KERNEL_DYNAMIC_DEBUG bool "Compile the kernel with dynamic printk" select KERNEL_DEBUG_FS