> On Oct 17, 2019, at 12:29 PM, Oliver O'Halloran wrote:
>
>
> The ABI (v1 and v2) uses r2 as a pointer to the "table of contents"
> which is used to look up the addresses of global symbols. TOCs are
> specific to the current unit of execution and the vmlinux and each
> module has its own TOC
On Thu, Oct 17, 2019 at 1:01 PM Yi Li wrote:
>
> Hi,
*snip*
> The kernel module can be insert correctly, and we mount a tmpfs, then umount.
> Kernel panic when doing umount:
> "
> [ 148.569777] umount /home/adam/test 0x0
> [ 148.608227] umount2 returned 0
> [ 148.608268] Unable to handle kern
