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authorWeiXiong Liao <liaoweixiong@allwinnertech.com>2020-03-25 16:55:01 +0800
committerKees Cook <keescook@chromium.org>2020-05-30 10:34:03 -0700
commit34327e9fd213414b35eb70aa512c4e39b2095907 (patch)
tree3c470eb01537affe06c7b85e127117ab60b15aa6 /fs/pstore/Kconfig
parentcc9c4d1b5597167f8e8c92f6b61e1cda6d01884d (diff)
downloadlinux-34327e9fd213414b35eb70aa512c4e39b2095907.tar.bz2
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/Kconfig12
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.