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| author | WeiXiong Liao <liaoweixiong@allwinnertech.com> | 2020-03-25 16:55:01 +0800 |
|---|---|---|
| committer | Kees Cook <keescook@chromium.org> | 2020-05-30 10:34:03 -0700 |
| commit | 34327e9fd213414b35eb70aa512c4e39b2095907 (patch) | |
| tree | 3c470eb01537affe06c7b85e127117ab60b15aa6 /fs/pstore/Kconfig | |
| parent | cc9c4d1b5597167f8e8c92f6b61e1cda6d01884d (diff) | |
| download | linux-stable-34327e9fd213414b35eb70aa512c4e39b2095907.tar.gz linux-stable-34327e9fd213414b35eb70aa512c4e39b2095907.tar.bz2 linux-stable-34327e9fd213414b35eb70aa512c4e39b2095907.zip | |
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 'fs/pstore/Kconfig')
| -rw-r--r-- | fs/pstore/Kconfig | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/pstore/Kconfig b/fs/pstore/Kconfig index 126aa6c3ecf2..c2237984b407 100644 --- a/fs/pstore/Kconfig +++ b/fs/pstore/Kconfig @@ -248,3 +248,15 @@ config PSTORE_BLK_CONSOLE_SIZE NOTE that, both Kconfig and module parameters can configure pstore/blk, but module parameters have priority over Kconfig. + +config PSTORE_BLK_FTRACE_SIZE + int "Size in Kbytes of ftrace log to store" + depends on PSTORE_BLK + depends on PSTORE_FTRACE + default 64 + help + This just sets size of ftrace log (ftrace_size) for pstore/blk. The + size is in KB and must be a multiple of 4. + + NOTE that, both Kconfig and module parameters can configure + pstore/blk, but module parameters have priority over Kconfig. |