On 9 August 2017 at 13:05, Dave Martin <Dave.Martin@xxxxxxx> wrote:
> The existing FPSIMD context switch code contains a couple of
> instances of {set,clear}_ti_thread(task_thread_info(task)). Since
> there are thread flag manipulators that operate directly on
> task_struct, this verbosity isn't strictly needed.
>
> For consistency, this patch simplifies the affected calls. This
> should have no impact on behaviour.
>
> Signed-off-by: Dave Martin <Dave.Martin@xxxxxxx>
Acked-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>
> ---
> arch/arm64/kernel/fpsimd.c | 6 ++----
> 1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c
> index 138fcfa..9c1f268e 100644
> --- a/arch/arm64/kernel/fpsimd.c
> +++ b/arch/arm64/kernel/fpsimd.c
> @@ -159,11 +159,9 @@ void fpsimd_thread_switch(struct task_struct *next)
>
> if (__this_cpu_read(fpsimd_last_state) == st
> && st->cpu == smp_processor_id())
> - clear_ti_thread_flag(task_thread_info(next),
> - TIF_FOREIGN_FPSTATE);
> + clear_tsk_thread_flag(next, TIF_FOREIGN_FPSTATE);
> else
> - set_ti_thread_flag(task_thread_info(next),
> - TIF_FOREIGN_FPSTATE);
> + set_tsk_thread_flag(next, TIF_FOREIGN_FPSTATE);
> }
> }
>
> --
> 2.1.4
>
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