Commit 9cf5b54f authored Oct 31, 2017 by Dave Martin Committed by Will Deacon Nov 03, 2017

arm64: fpsimd: Simplify uses of {set,clear}_ti_thread_flag()



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@arm.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Will Deacon <will.deacon@arm.com>

parent 38b9aeb3

arch/arm64/kernel/fpsimd.c

+2 −4

Original line number	Diff line number	Diff line
		@@ -160,11 +160,9 @@ 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);
		}
		}