diff options
| author | WeiXiong Liao <liaoweixiong@allwinnertech.com> | 2020-03-25 11:55:01 +0300 |
|---|---|---|
| committer | Kees Cook <keescook@chromium.org> | 2020-05-30 20:34:03 +0300 |
| commit | 34327e9fd213414b35eb70aa512c4e39b2095907 (patch) | |
| tree | 3c470eb01537affe06c7b85e127117ab60b15aa6 /include/linux/pstore_zone.h | |
| parent | cc9c4d1b5597167f8e8c92f6b61e1cda6d01884d (diff) | |
| download | linux-34327e9fd213414b35eb70aa512c4e39b2095907.tar.xz | |
pstore/zone,blk: Add ftrace frontend support
Support backend for ftrace. To enable ftrace backend, just make
ftrace_size be greater than 0 and a multiple of 4096.
Signed-off-by: WeiXiong Liao <liaoweixiong@allwinnertech.com>
Link: https://lore.kernel.org/lkml/20200511233229.27745-6-keescook@chromium.org/
Co-developed-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Link: https://lore.kernel.org/lkml/20200512170719.221514-1-colin.king@canonical.com
Signed-off-by: Kees Cook <keescook@chromium.org>
Diffstat (limited to 'include/linux/pstore_zone.h')
| -rw-r--r-- | include/linux/pstore_zone.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/pstore_zone.h b/include/linux/pstore_zone.h index 904ee67f4ba2..6f16b0dd834a 100644 --- a/include/linux/pstore_zone.h +++ b/include/linux/pstore_zone.h @@ -19,6 +19,7 @@ typedef ssize_t (*pstore_zone_write_op)(const char *, size_t, loff_t); * @max_reason: Maximum kmsg dump reason to store. * @pmsg_size: The size of pmsg zone which is the same as @kmsg_size. * @console_size:The size of console zone which is the same as @kmsg_size. + * @ftrace_size:The size of ftrace zone which is the same as @kmsg_size. * @read: The general read operation. Both of the function parameters * @size and @offset are relative value to storage. * On success, the number of bytes should be returned, others @@ -37,6 +38,7 @@ struct pstore_zone_info { int max_reason; unsigned long pmsg_size; unsigned long console_size; + unsigned long ftrace_size; pstore_zone_read_op read; pstore_zone_write_op write; pstore_zone_write_op panic_write; |