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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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70fce7d225
Implement ->read_iter so that the Android bionic test suite can use this random proc file for its splice test case. Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
33 lines
740 B
C
33 lines
740 B
C
// SPDX-License-Identifier: GPL-2.0
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#include <linux/cpufreq.h>
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#include <linux/fs.h>
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#include <linux/init.h>
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#include <linux/proc_fs.h>
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#include <linux/seq_file.h>
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__weak void arch_freq_prepare_all(void)
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{
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}
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extern const struct seq_operations cpuinfo_op;
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static int cpuinfo_open(struct inode *inode, struct file *file)
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{
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arch_freq_prepare_all();
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return seq_open(file, &cpuinfo_op);
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}
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static const struct proc_ops cpuinfo_proc_ops = {
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.proc_flags = PROC_ENTRY_PERMANENT,
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.proc_open = cpuinfo_open,
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.proc_read_iter = seq_read_iter,
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.proc_lseek = seq_lseek,
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.proc_release = seq_release,
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};
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static int __init proc_cpuinfo_init(void)
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{
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proc_create("cpuinfo", 0, NULL, &cpuinfo_proc_ops);
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return 0;
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}
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fs_initcall(proc_cpuinfo_init);
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