diff options
| author |   Coiby Xu <coxu@redhat.com> | 2025-05-02 09:12:41 +0800 |
|---|---|---|
| committer |   Andrew Morton <akpm@linux-foundation.org> | 2025-05-21 10:48:21 -0700 |
| commit | 5eb3f60554216b02e9c0f18356709ee4befe72e7 (patch) | |
| tree | f5d4f2fe3f50ce4db7107e7ff2ed31303a4481d0 /Documentation/admin-guide | |
| parent | Revert "x86/mm: Remove unused __set_memory_prot()" (diff) | |
| download | linux-rng-5eb3f60554216b02e9c0f18356709ee4befe72e7.tar.xz linux-rng-5eb3f60554216b02e9c0f18356709ee4befe72e7.zip | |
x86/crash: pass dm crypt keys to kdump kernel
1st kernel will build up the kernel command parameter dmcryptkeys as
similar to elfcorehdr to pass the memory address of the stored info of dm
crypt key to kdump kernel.
Link: https://lkml.kernel.org/r/20250502011246.99238-8-coxu@redhat.com
Signed-off-by: Coiby Xu <coxu@redhat.com>
Acked-by: Baoquan He <bhe@redhat.com>
Cc: "Daniel P. Berrange" <berrange@redhat.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: Dave Young <dyoung@redhat.com>
Cc: Jan Pazdziora <jpazdziora@redhat.com>
Cc: Liu Pingfan <kernelfans@gmail.com>
Cc: Milan Broz <gmazyland@gmail.com>
Cc: Ondrej Kozina <okozina@redhat.com>
Cc: Vitaly Kuznetsov <vkuznets@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Diffstat (limited to 'Documentation/admin-guide')
| -rw-r--r-- | Documentation/admin-guide/kdump/kdump.rst | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/admin-guide/kdump/kdump.rst b/Documentation/admin-guide/kdump/kdump.rst index e25edaa8e533..20fabdf6567e 100644 --- a/Documentation/admin-guide/kdump/kdump.rst +++ b/Documentation/admin-guide/kdump/kdump.rst @@ -551,8 +551,8 @@ Write the dump file to encrypted disk volume ============================================ CONFIG_CRASH_DM_CRYPT can be enabled to support saving the dump file to an -encrypted disk volume. User space can interact with -/sys/kernel/config/crash_dm_crypt_keys for setup, +encrypted disk volume (only x86_64 supported for now). User space can interact +with /sys/kernel/config/crash_dm_crypt_keys for setup, 1. Tell the first kernel what logon keys are needed to unlock the disk volumes, # Add key #1 |