From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dave.Martin@arm.com (Dave Martin) Date: Fri, 4 May 2018 17:05:23 +0100 Subject: [PATCH v5 02/14] arm64: Use update{,_tsk}_thread_flag() In-Reply-To: <1525449935-31424-1-git-send-email-Dave.Martin@arm.com> References: <1525449935-31424-1-git-send-email-Dave.Martin@arm.com> Message-ID: <1525449935-31424-3-git-send-email-Dave.Martin@arm.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org This patch uses the new update_thread_flag() helpers to simplify a couple of if () set; else clear; constructs. No functional change. Signed-off-by: Dave Martin Cc: Catalin Marinas Cc: Will Deacon --- arch/arm64/kernel/fpsimd.c | 19 +++++++------------ 1 file changed, 7 insertions(+), 12 deletions(-) diff --git a/arch/arm64/kernel/fpsimd.c b/arch/arm64/kernel/fpsimd.c index 87a3536..0c4e7e0 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; } @@ -902,7 +900,7 @@ void fpsimd_thread_switch(struct task_struct *next) if (current->mm) task_fpsimd_save(); - if (next->mm) { + if (next->mm) /* * If we are switching to a task whose most recent userland * FPSIMD state is already in the registers of *this* cpu, @@ -910,13 +908,10 @@ 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); - } + update_tsk_thread_flag(next, TIF_FOREIGN_FPSTATE, + __this_cpu_read(fpsimd_last_state.st) != + &next->thread.uw.fpsimd_state || + next->thread.fpsimd_cpu != smp_processor_id()); } void fpsimd_flush_thread(void) -- 2.1.4