Willy,
On Sun, Nov 4, 2018 at 11:03 PM kernel test robot <[email protected]> wrote:
>
> commit: 0e9446c35a80931044b6d8d2d74a9cabd248539f ("xarray: Add range store
> functionality")
...
> [ 11.880031] WARNING: CPU: 0 PID: 1 at include/linux/xarray.h:54
> xa_mk_value+0x7/0x10
> [ 11.881944] EIP: xa_mk_value+0x7/0x10
> [ 11.883565] Call Trace:
> [ 11.883565] __check_store_range+0xe/0x171
> [ 11.883565] check_store_range+0x5d/0x87
If I read this right, it's simply this case:
__check_store_range(xa, UINT_MAX + i, UINT_MAX + j);
which turns into negative values on a 32-bit machine, and then
xa_mk_value() warns.
Should that part of the test be surrounded by #ifdef CONFIG_64BIT? Or
did you _want_ the warnings?
Linus