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Diffstat (limited to 'Documentation/admin-guide/kdump/kdump.rst')
| -rw-r--r-- | Documentation/admin-guide/kdump/kdump.rst | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/admin-guide/kdump/kdump.rst b/Documentation/admin-guide/kdump/kdump.rst index b74d3bed8fff..e25edaa8e533 100644 --- a/Documentation/admin-guide/kdump/kdump.rst +++ b/Documentation/admin-guide/kdump/kdump.rst @@ -570,6 +570,10 @@ encrypted disk volume. User space can interact with cat /sys/kernel/config/crash_dm_crypt_keys/count 2 + # To support CPU/memory hot-plugging, re-use keys already saved to reserved + # memory + echo true > /sys/kernel/config/crash_dm_crypt_key/reuse + 2. Load the dump-capture kernel 3. After the dump-capture kerne get booted, restore the keys to user keyring |