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authorAskar Safin <safinaskar@gmail.com>2025-11-19 22:24:06 +0000
committerChristian Brauner <brauner@kernel.org>2026-01-12 17:22:22 +0100
commitc350a65b566b527874b7ace5d904c57c107fae4f (patch)
tree96e792ff648df87b318e8fcaed6106c1d91e68f9 /Documentation/admin-guide
parent7f3b33668595ee48722df86831a1df4ee1192269 (diff)
initrd: remove deprecated code path (linuxrc)
Remove linuxrc initrd code path, which was deprecated in 2020. Initramfs and (non-initial) RAM disks (i. e. brd) still work. Both built-in and bootloader-supplied initramfs still work. Non-linuxrc initrd code path (i. e. using /dev/ram as final root filesystem) still works, but I put deprecation message into it. Also I deprecate command line parameters "noinitrd" and "ramdisk_start=". Signed-off-by: Askar Safin <safinaskar@gmail.com> Link: https://patch.msgid.link/20251119222407.3333257-3-safinaskar@gmail.com Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Christian Brauner <brauner@kernel.org>
Diffstat (limited to 'Documentation/admin-guide')
-rw-r--r--Documentation/admin-guide/kernel-parameters.txt8
1 files changed, 5 insertions, 3 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 4bdf6a158181..f67591615a6a 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -4442,8 +4442,10 @@ Kernel parameters
Note that this argument takes precedence over
the CONFIG_RCU_NOCB_CPU_DEFAULT_ALL option.
- noinitrd [RAM] Tells the kernel not to load any configured
- initial RAM disk.
+ noinitrd [Deprecated,RAM] Tells the kernel not to load any configured
+ initial RAM disk. Currently this parameter applies to
+ initrd only, not to initramfs. But it applies to both
+ in EFI mode.
nointremap [X86-64,Intel-IOMMU,EARLY] Do not enable interrupt
remapping.
@@ -5456,7 +5458,7 @@ Kernel parameters
ramdisk_size= [RAM] Sizes of RAM disks in kilobytes
See Documentation/admin-guide/blockdev/ramdisk.rst.
- ramdisk_start= [RAM] RAM disk image start address
+ ramdisk_start= [Deprecated,RAM] RAM disk image start address
random.trust_cpu=off
[KNL,EARLY] Disable trusting the use of the CPU's