Re: [PATCH] proc.5: Clarify that boot arguments can be embedded in image

From: Paul E. McKenney
Date: Wed Jul 05 2023 - 16:33:43 EST


On Tue, Jul 04, 2023 at 09:59:32PM +0900, Masami Hiramatsu wrote:
> On Fri, 30 Jun 2023 16:33:28 -0700
> "Paul E. McKenney" <paulmck@xxxxxxxxxx> wrote:
>
> > With the advent of the CONFIG_BOOT_CONFIG Kconfig option, kernel boot
> > arguments can now be embedded in the kernel image, either attached
> > to the end of initramfs or embedded in the kernel itself. Document
> > this possibility in the /proc/cmdline entry of proc.5.
>
> Thanks for update!
>
> Reviewed-by: Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx>

Thank you, Masami!

Adding Alejandro and linux-man on CC.

Thanx, Paul

> > Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxx>
> > Cc: Michael Kerrisk <mtk.manpages@xxxxxxxxx>
> > Cc: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
> > Cc: Jonathan Corbet <corbet@xxxxxxx>
> > Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
> > Cc: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>
> > Cc: Vlastimil Babka <vbabka@xxxxxxx>
> > Cc: Johannes Weiner <hannes@xxxxxxxxxxx>
> >
> > diff --git a/man5/proc.5 b/man5/proc.5
> > index c6684620e..141a2983c 100644
> > --- a/man5/proc.5
> > +++ b/man5/proc.5
> > @@ -3100,6 +3100,9 @@ Often done via a boot manager such as
> > .BR lilo (8)
> > or
> > .BR grub (8).
> > +Any arguments embedded in the kernel image or initramfs via
> > +.B CONFIG_BOOT_CONFIG
> > +will also be displayed.
> > .TP
> > .IR /proc/config.gz " (since Linux 2.6)"
> > This file exposes the configuration options that were used
>
>
> --
> Masami Hiramatsu (Google) <mhiramat@xxxxxxxxxx>