| Anton Vorontsov | 060287b | 2012-07-09 17:10:41 -0700 | [diff] [blame] | 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 | } |