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060287b8 AV |
1 | /* |
2 | * Copyright 2012 Google, Inc. | |
3 | * | |
4 | * This software is licensed under the terms of the GNU General Public | |
5 | * License version 2, as published by the Free Software Foundation, and | |
6 | * may be copied, distributed, and modified under those terms. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, | |
9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
11 | * GNU General Public License for more details. | |
12 | */ | |
13 | ||
14 | #include <linux/kernel.h> | |
15 | #include <linux/compiler.h> | |
16 | #include <linux/irqflags.h> | |
17 | #include <linux/percpu.h> | |
18 | #include <linux/smp.h> | |
19 | #include <linux/atomic.h> | |
20 | #include <asm/barrier.h> | |
21 | #include "internal.h" | |
22 | ||
23 | void notrace pstore_ftrace_call(unsigned long ip, unsigned long parent_ip) | |
24 | { | |
25 | struct pstore_ftrace_record rec = {}; | |
26 | ||
27 | if (unlikely(oops_in_progress)) | |
28 | return; | |
29 | ||
30 | rec.ip = ip; | |
31 | rec.parent_ip = parent_ip; | |
32 | pstore_ftrace_encode_cpu(&rec, raw_smp_processor_id()); | |
33 | psinfo->write_buf(PSTORE_TYPE_FTRACE, 0, NULL, 0, (void *)&rec, | |
34 | sizeof(rec), psinfo); | |
35 | } |