Re: [PATCH v2 2/3] initrd: remove deprecated code path (linuxrc)

[Randy Dunlap <rdunlap@infradead.org>]

Hi,

On 10/10/25 2:40 AM, Askar Safin wrote:
> 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
> 
> Signed-off-by: Askar Safin <safinaskar@gmail.com>
> ---
>  .../admin-guide/kernel-parameters.txt         |  4 +-
>  fs/init.c                                     | 14 ---
>  include/linux/init_syscalls.h                 |  1 -
>  include/linux/initrd.h                        |  2 -
>  init/do_mounts.c                              |  4 +-
>  init/do_mounts.h                              | 18 +---
>  init/do_mounts_initrd.c                       | 85 ++-----------------
>  init/do_mounts_rd.c                           | 17 +---
>  8 files changed, 17 insertions(+), 128 deletions(-)
> 
> diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
> index 521ab3425504..24d8899d8a39 100644
> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++ b/Documentation/admin-guide/kernel-parameters.txt
> @@ -4285,7 +4285,7 @@
>  			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
> +	noinitrd	[Deprecated,RAM] Tells the kernel not to load any configured
>  			initial RAM disk.
>  
>  	nointremap	[X86-64,Intel-IOMMU,EARLY] Do not enable interrupt
> @@ -5299,7 +5299,7 @@
>  	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

There are more places in Documentation/ that refer to "linuxrc".
Should those also be removed or fixed?

accounting/delay-accounting.rst
admin-guide/initrd.rst
driver-api/early-userspace/early_userspace_support.rst
power/swsusp-dmcrypt.rst
translations/zh_CN/accounting/delay-accounting.rst


Thanks.