On Thu, Nov 04, 2021 at 09:26:28AM +0100, Ard Biesheuvel wrote:
> In commit 2214c0e77259 ("parisc: Move thread_info into task struct")
> PA-RISC gained support for THREAD_INFO_IN_TASK while changes were
> already underway to keep the CPU field in thread_info rather than move
> it into task_struct when THREAD_INFO_IN_TASK is enabled. The result is a
> broken build for all PA-RISC configs that enable SMP.
>
> So let's partially revert that commit, and get rid of the ugly hack to
> get at the offset of task_struct::cpu without having to include
> linux/sched.h, and put the CPU field back where it was before.
>
> Reported-by: Guenter Roeck <linux@xxxxxxxxxxxx>
> Fixes: bcf9033e5449 ("sched: move CPU field back into thread_info if THREAD_INFO_IN_TASK=y")
> Signed-off-by: Ard Biesheuvel <ardb@xxxxxxxxxx>
> Signed-off-by: Helge Deller <deller@xxxxxx>
FWIW:
Tested-by: Guenter Roeck <linux@xxxxxxxxxxxx>
Guenter
