Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
profiling: Remove create_prof_cpu_mask().
create_prof_cpu_mask() is no longer used after commit 1f44a225777e ("s390:
convert interrupt handling to use generic hardirq").
Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
authored by
Tetsuo Handa
and committed by
Linus Torvalds
2e5449f4
8a5c3ef7
-48
-5
include/linux/profile.h
-5
include/linux/profile.h
···
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struct notifier_block;
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#if defined(CONFIG_PROFILING) && defined(CONFIG_PROC_FS)
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-
void create_prof_cpu_mask(void);
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int create_proc_profile(void);
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#else
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static inline void create_prof_cpu_mask(void)
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{
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}
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static inline int create_proc_profile(void)
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{
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return 0;
-43
kernel/profile.c
-43
kernel/profile.c
···
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#include <linux/seq_file.h>
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#include <linux/uaccess.h>
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static int prof_cpu_mask_proc_show(struct seq_file *m, void *v)
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{
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seq_printf(m, "%*pb\n", cpumask_pr_args(prof_cpu_mask));
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return 0;
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}
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static int prof_cpu_mask_proc_open(struct inode *inode, struct file *file)
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{
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return single_open(file, prof_cpu_mask_proc_show, NULL);
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}
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static ssize_t prof_cpu_mask_proc_write(struct file *file,
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const char __user *buffer, size_t count, loff_t *pos)
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{
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cpumask_var_t new_value;
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int err;
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if (!zalloc_cpumask_var(&new_value, GFP_KERNEL))
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return -ENOMEM;
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err = cpumask_parse_user(buffer, count, new_value);
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if (!err) {
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cpumask_copy(prof_cpu_mask, new_value);
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err = count;
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}
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free_cpumask_var(new_value);
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return err;
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}
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static const struct proc_ops prof_cpu_mask_proc_ops = {
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.proc_open = prof_cpu_mask_proc_open,
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.proc_read = seq_read,
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.proc_lseek = seq_lseek,
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.proc_release = single_release,
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.proc_write = prof_cpu_mask_proc_write,
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};
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void create_prof_cpu_mask(void)
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{
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/* create /proc/irq/prof_cpu_mask */
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proc_create("irq/prof_cpu_mask", 0600, NULL, &prof_cpu_mask_proc_ops);
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}
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/*
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* This function accesses profiling information. The returned data is
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* binary: the sampling step and the actual contents of the profile