diff options
Diffstat (limited to 'arch/arm64/kernel/fpsimd.c')
| -rw-r--r-- | arch/arm64/kernel/fpsimd.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c index 12e1c96..9d85373 100644 --- a/arch/arm64/kernel/fpsimd.c +++ b/arch/arm64/kernel/fpsimd.c @@ -618,10 +618,8 @@ int sve_set_vector_length(struct task_struct *task, task->thread.sve_vl = vl; out: - if (flags & PR_SVE_VL_INHERIT) - set_tsk_thread_flag(task, TIF_SVE_VL_INHERIT); - else - clear_tsk_thread_flag(task, TIF_SVE_VL_INHERIT); + update_tsk_thread_flag(task, TIF_SVE_VL_INHERIT, + flags & PR_SVE_VL_INHERIT); return 0; } @@ -910,12 +908,12 @@ void fpsimd_thread_switch(struct task_struct *next) * the TIF_FOREIGN_FPSTATE flag so the state will be loaded * upon the next return to userland. */ - if (__this_cpu_read(fpsimd_last_state.st) == - &next->thread.uw.fpsimd_state - && next->thread.fpsimd_cpu == smp_processor_id()) - clear_tsk_thread_flag(next, TIF_FOREIGN_FPSTATE); - else - set_tsk_thread_flag(next, TIF_FOREIGN_FPSTATE); + bool wrong_task = __this_cpu_read(fpsimd_last_state.st) != + &next->thread.uw.fpsimd_state; + bool wrong_cpu = next->thread.fpsimd_cpu != smp_processor_id(); + + update_tsk_thread_flag(next, TIF_FOREIGN_FPSTATE, + wrong_task || wrong_cpu); } } |
