/* * debugfs file to track time spent in suspend * * Copyright (c) 2011, Google, Inc. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. */ #include #include #include #include #include #include #include "timekeeping_internal.h" #define NUM_BINS 32 static unsigned int sleep_time_bin[NUM_BINS] = {0}; static int tk_debug_show_sleep_time(struct seq_file *s, void *data) { unsigned int bin; seq_puts(s, " time (secs) count\n"); seq_puts(s, "------------------------------\n"); for (bin = 0; bin < 32; bin++) { if (sleep_time_bin[bin] == 0) continue; seq_printf(s, "%10u - %-10u %4u\n", bin ? 1 << (bin - 1) : 0, 1 << bin, sleep_time_bin[bin]); } return 0; } static int tk_debug_sleep_time_open(struct inode *inode, struct file *file) { return single_open(file, tk_debug_show_sleep_time, NULL); } static const struct file_operations tk_debug_sleep_time_fops = { .open = tk_debug_sleep_time_open, .read = seq_read, .llseek = seq_lseek, .release = single_release, }; static int __init tk_debug_sleep_time_init(void) { struct dentry *d; d = debugfs_create_file("sleep_time", 0444, NULL, NULL, &tk_debug_sleep_time_fops); if (!d) { pr_err("Failed to create sleep_time debug file\n"); return -ENOMEM; } return 0; } late_initcall(tk_debug_sleep_time_init); void tk_debug_account_sleep_time(struct timespec64 *t) { /* Cap bin index so we don't overflow the array */ int bin = min(fls(t->tv_sec), NUM_BINS-1); sleep_time_bin[bin]++; pr_info("Suspended for %lld.%03lu seconds\n", (s64)t->tv_sec, t->tv_nsec / NSEC_PER_MSEC); } mp;id=0b529f143e8baad441a5aac9ad55ec2434d8fb46'>commitdiff
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authorHarsh Jain <harsh@chelsio.com>2017-02-01 21:10:28 +0530
committerHerbert Xu <herbert@gondor.apana.org.au>2017-02-03 17:45:48 +0800
commit0b529f143e8baad441a5aac9ad55ec2434d8fb46 (patch)
treefd816e548e12745d4776ad0bd661bec142d3ea06 /include/dt-bindings/media/tvp5150.h
parentc26819900036f5b91608051a0fc7c76f6b4ffc7b (diff)
crypto: algif_aead - Fix kernel panic on list_del
Kernel panics when userspace program try to access AEAD interface. Remove node from Linked List before freeing its memory. Cc: <stable@vger.kernel.org> Signed-off-by: Harsh Jain <harsh@chelsio.com> Reviewed-by: Stephan Müller <smueller@chronox.de> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'include/dt-bindings/media/tvp5150.h')