Commit 08b55775 authored by Alexey Dobriyan's avatar Alexey Dobriyan Committed by Linus Torvalds
Browse files

proc: use seq_puts() everywhere 

seq_printf() without format specifiers == faster seq_puts()

Link: http://lkml.kernel.org/r/20190114200545.GC9680@avx2


Signed-off-by: default avatarAlexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 5713f35c

fs/proc/array.c

+8 −8
Original line number Diff line number Diff line
@@ -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');

fs/proc/base.c

+1 −1
Original line number Diff line number Diff line
@@ -456,7 +456,7 @@ 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,

fs/proc/task_nommu.c

+1 −1
Original line number Diff line number Diff line
@@ -178,7 +178,7 @@ static int nommu_vma_show(struct seq_file *m, struct vm_area_struct *vma) 
		seq_file_path(m, file, "");

	} else if (mm && is_stack(vma)) {

		seq_pad(m, ' ');

		seq_printf(m, "[stack]");

		seq_puts(m, "[stack]");

	}



	seq_putc(m, '\n');