Re: [PATCH v1 1/2] Documentation: sysctl: Correct kexec_load_disabled
From: Baoquan He <hidden>
Date: 2022-11-23 09:52:18
Also in:
kexec, lkml
From: Baoquan He <hidden>
Date: 2022-11-23 09:52:18
Also in:
kexec, lkml
On 11/14/22 at 02:18pm, Ricardo Ribalda wrote:
kexec_load_disabled affects both ``kexec_load`` and ``kexec_file_load`` syscalls. Make it explicit. Signed-off-by: Ricardo Ribalda <redacted>diff --git a/Documentation/admin-guide/sysctl/kernel.rst b/Documentation/admin-guide/sysctl/kernel.rst index 98d1b198b2b4..97394bd9d065 100644 --- a/Documentation/admin-guide/sysctl/kernel.rst +++ b/Documentation/admin-guide/sysctl/kernel.rst@@ -450,9 +450,10 @@ this allows system administrators to override the kexec_load_disabled =================== -A toggle indicating if the ``kexec_load`` syscall has been disabled. -This value defaults to 0 (false: ``kexec_load`` enabled), but can be -set to 1 (true: ``kexec_load`` disabled). +A toggle indicating if the syscalls ``kexec_load`` and +``kexec_file_load`` have been disabled. +This value defaults to 0 (false: ``kexec_*load`` enabled), but can be +set to 1 (true: ``kexec_*load`` disabled). Once true, kexec can no longer be used, and the toggle cannot be set back to false. This allows a kexec image to be loaded before disabling the syscall,
LGTM, Acked-by: Baoquan He <redacted>
-- b4 0.11.0-dev-d93f8