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| author | WeiXiong Liao <liaoweixiong@allwinnertech.com> | 2020-03-25 16:54:59 +0800 |
|---|---|---|
| committer | Kees Cook <keescook@chromium.org> | 2020-05-30 10:34:03 -0700 |
| commit | 0dc068265a1c5923ffebf40388fbe93050a77ad1 (patch) | |
| tree | 50324f476088fdc397522c0b2dde68b5635a4bd4 /fs/pstore/Kconfig | |
| parent | 17639f67c1d61aba3c05e7703f75cd468f9d484f (diff) | |
| download | linux-0dc068265a1c5923ffebf40388fbe93050a77ad1.tar.gz linux-0dc068265a1c5923ffebf40388fbe93050a77ad1.tar.bz2 linux-0dc068265a1c5923ffebf40388fbe93050a77ad1.zip | |
pstore/zone,blk: Add support for pmsg frontend
Add pmsg support to pstore/blk (through pstore/zone). To enable, pmsg_size
must be greater than 0 and a multiple of 4096.
Signed-off-by: WeiXiong Liao <liaoweixiong@allwinnertech.com>
Link: https://lore.kernel.org/lkml/20200511233229.27745-4-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/20200512171932.222102-1-colin.king@canonical.com
Co-developed-by: Kees Cook <keescook@chromium.org>
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 958bec75f907..ef01c48f0ff7 100644 --- a/fs/pstore/Kconfig +++ b/fs/pstore/Kconfig @@ -224,3 +224,15 @@ config PSTORE_BLK_MAX_REASON NOTE that, both Kconfig and module parameters can configure pstore/blk, but module parameters have priority over Kconfig. + +config PSTORE_BLK_PMSG_SIZE + int "Size in Kbytes of pmsg to store" + depends on PSTORE_BLK + depends on PSTORE_PMSG + default 64 + help + This just sets size of pmsg (pmsg_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. |