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[46.53.177.92]) by smtp.gmail.com with ESMTPSA id u3-v6sm173918edo.44.2018.08.27.16.15.32 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 27 Aug 2018 16:15:33 -0700 (PDT) From: Alexey Dobriyan To: akpm@linux-foundation.org Cc: linux-kernel@vger.kernel.org, Alexey Dobriyan Subject: [PATCH 02/13] proc: apply seq_puts() whenever possible Date: Tue, 28 Aug 2018 02:14:52 +0300 Message-Id: <20180827231503.26899-2-adobriyan@gmail.com> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20180827231503.26899-1-adobriyan@gmail.com> References: <20180827231503.26899-1-adobriyan@gmail.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org seq_puts() is faster than seq_printf() because it doesn't search for format specifiers. Signed-off-by: Alexey Dobriyan --- fs/proc/array.c | 16 ++++++++-------- fs/proc/base.c | 2 +- 2 files changed, 9 insertions(+), 9 deletions(-) diff --git a/fs/proc/array.c b/fs/proc/array.c index 0ceb3b6b37e7..5016e03a4dba 100644 --- a/fs/proc/array.c +++ b/fs/proc/array.c @@ -343,28 +343,28 @@ static inline void task_seccomp(struct seq_file *m, struct task_struct *p) #ifdef CONFIG_SECCOMP seq_put_decimal_ull(m, "\nSeccomp:\t", p->seccomp.mode); #endif - seq_printf(m, "\nSpeculation_Store_Bypass:\t"); + seq_puts(m, "\nSpeculation_Store_Bypass:\t"); switch (arch_prctl_spec_ctrl_get(p, PR_SPEC_STORE_BYPASS)) { case -EINVAL: - seq_printf(m, "unknown"); + seq_puts(m, "unknown"); break; case PR_SPEC_NOT_AFFECTED: - seq_printf(m, "not vulnerable"); + seq_puts(m, "not vulnerable"); break; case PR_SPEC_PRCTL | PR_SPEC_FORCE_DISABLE: - seq_printf(m, "thread force mitigated"); + seq_puts(m, "thread force mitigated"); break; case PR_SPEC_PRCTL | PR_SPEC_DISABLE: - seq_printf(m, "thread mitigated"); + seq_puts(m, "thread mitigated"); break; case PR_SPEC_PRCTL | PR_SPEC_ENABLE: - seq_printf(m, "thread vulnerable"); + seq_puts(m, "thread vulnerable"); break; case PR_SPEC_DISABLE: - seq_printf(m, "globally mitigated"); + seq_puts(m, "globally mitigated"); break; default: - seq_printf(m, "vulnerable"); + seq_puts(m, "vulnerable"); break; } seq_putc(m, '\n'); diff --git a/fs/proc/base.c b/fs/proc/base.c index ccf86f16d9f0..f96babf3cffc 100644 --- a/fs/proc/base.c +++ b/fs/proc/base.c @@ -442,7 +442,7 @@ static int proc_pid_schedstat(struct seq_file *m, struct pid_namespace *ns, struct pid *pid, struct task_struct *task) { if (unlikely(!sched_info_on())) - seq_printf(m, "0 0 0\n"); + seq_puts(m, "0 0 0\n"); else seq_printf(m, "%llu %llu %lu\n", (unsigned long long)task->se.sum_exec_runtime, -- 2.16.4