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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 <f.fainelli@gmail.com>
This commit is contained in:
Florian Fainelli 2022-07-07 15:06:21 -07:00
parent 3899f68b54
commit e7ec2d7399
1 changed files with 8 additions and 0 deletions
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8
config/Config-kernel.in
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@ -414,6 +414,14 @@ config KERNEL_DEBUG_LL
help help
ARM low level debugging. 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 config KERNEL_DYNAMIC_DEBUG
bool "Compile the kernel with dynamic printk" bool "Compile the kernel with dynamic printk"
select KERNEL_DEBUG_FS select KERNEL_DEBUG_FS