* [PATCH] ARM: Drop CMDLINE_FORCE dependency on !ARCH_MULTIPLATFORM
@ 2022-09-27 13:26 ` Geert Uytterhoeven
0 siblings, 0 replies; 5+ messages in thread
From: Geert Uytterhoeven @ 2022-09-27 13:26 UTC (permalink / raw)
To: Arnd Bergmann
Cc: Russell King, Linus Walleij, Ard Biesheuvel, Russell King, soc,
linux-arm-kernel, linux-renesas-soc, linux-kernel,
Geert Uytterhoeven
On older platforms that boot an image with an appended DTB, or where
the boot loader has no support for updating chosen/bootargs, it is
common to rely on CMDLINE_FORCE.
While a fixed command line can make the kernel unbootable on other
platforms, it is not guaranteed to cause that. E.g. all Renesas boards
use the same chosen/bootargs in upstream DTS, which works fine if your
DHCP server hands out proper nfsroot parameters.
Fixes: 84fc863606239d8b ("ARM: make ARCH_MULTIPLATFORM user-visible")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
arch/arm/Kconfig | 1 -
1 file changed, 1 deletion(-)
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 22f62ad919bfd831..ea8adbf25651438a 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1616,7 +1616,6 @@ config CMDLINE_EXTEND
config CMDLINE_FORCE
bool "Always use the default kernel command string"
- depends on !ARCH_MULTIPLATFORM
help
Always use the default kernel command string, even if the boot
loader passes other arguments to the kernel.
--
2.25.1
^ permalink raw reply related [flat|nested] 5+ messages in thread
* [PATCH] ARM: Drop CMDLINE_FORCE dependency on !ARCH_MULTIPLATFORM
@ 2022-09-27 13:26 ` Geert Uytterhoeven
0 siblings, 0 replies; 5+ messages in thread
From: Geert Uytterhoeven @ 2022-09-27 13:26 UTC (permalink / raw)
To: Arnd Bergmann
Cc: Russell King, Linus Walleij, Ard Biesheuvel, Russell King, soc,
linux-arm-kernel, linux-renesas-soc, linux-kernel,
Geert Uytterhoeven
On older platforms that boot an image with an appended DTB, or where
the boot loader has no support for updating chosen/bootargs, it is
common to rely on CMDLINE_FORCE.
While a fixed command line can make the kernel unbootable on other
platforms, it is not guaranteed to cause that. E.g. all Renesas boards
use the same chosen/bootargs in upstream DTS, which works fine if your
DHCP server hands out proper nfsroot parameters.
Fixes: 84fc863606239d8b ("ARM: make ARCH_MULTIPLATFORM user-visible")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
arch/arm/Kconfig | 1 -
1 file changed, 1 deletion(-)
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 22f62ad919bfd831..ea8adbf25651438a 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1616,7 +1616,6 @@ config CMDLINE_EXTEND
config CMDLINE_FORCE
bool "Always use the default kernel command string"
- depends on !ARCH_MULTIPLATFORM
help
Always use the default kernel command string, even if the boot
loader passes other arguments to the kernel.
--
2.25.1
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply related [flat|nested] 5+ messages in thread
* Re: [PATCH] ARM: Drop CMDLINE_FORCE dependency on !ARCH_MULTIPLATFORM
2022-09-27 13:26 ` Geert Uytterhoeven
@ 2022-09-27 13:35 ` Ard Biesheuvel
-1 siblings, 0 replies; 5+ messages in thread
From: Ard Biesheuvel @ 2022-09-27 13:35 UTC (permalink / raw)
To: Geert Uytterhoeven
Cc: Arnd Bergmann, Russell King, Linus Walleij, Russell King, soc,
linux-arm-kernel, linux-renesas-soc, linux-kernel
On Tue, 27 Sept 2022 at 15:26, Geert Uytterhoeven
<geert+renesas@glider.be> wrote:
>
> On older platforms that boot an image with an appended DTB, or where
> the boot loader has no support for updating chosen/bootargs, it is
> common to rely on CMDLINE_FORCE.
>
> While a fixed command line can make the kernel unbootable on other
> platforms, it is not guaranteed to cause that. E.g. all Renesas boards
> use the same chosen/bootargs in upstream DTS, which works fine if your
> DHCP server hands out proper nfsroot parameters.
>
> Fixes: 84fc863606239d8b ("ARM: make ARCH_MULTIPLATFORM user-visible")
> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
> ---
> arch/arm/Kconfig | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index 22f62ad919bfd831..ea8adbf25651438a 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -1616,7 +1616,6 @@ config CMDLINE_EXTEND
>
> config CMDLINE_FORCE
> bool "Always use the default kernel command string"
> - depends on !ARCH_MULTIPLATFORM
> help
> Always use the default kernel command string, even if the boot
> loader passes other arguments to the kernel.
> --
> 2.25.1
>
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH] ARM: Drop CMDLINE_FORCE dependency on !ARCH_MULTIPLATFORM
@ 2022-09-27 13:35 ` Ard Biesheuvel
0 siblings, 0 replies; 5+ messages in thread
From: Ard Biesheuvel @ 2022-09-27 13:35 UTC (permalink / raw)
To: Geert Uytterhoeven
Cc: Arnd Bergmann, Russell King, Linus Walleij, Russell King, soc,
linux-arm-kernel, linux-renesas-soc, linux-kernel
On Tue, 27 Sept 2022 at 15:26, Geert Uytterhoeven
<geert+renesas@glider.be> wrote:
>
> On older platforms that boot an image with an appended DTB, or where
> the boot loader has no support for updating chosen/bootargs, it is
> common to rely on CMDLINE_FORCE.
>
> While a fixed command line can make the kernel unbootable on other
> platforms, it is not guaranteed to cause that. E.g. all Renesas boards
> use the same chosen/bootargs in upstream DTS, which works fine if your
> DHCP server hands out proper nfsroot parameters.
>
> Fixes: 84fc863606239d8b ("ARM: make ARCH_MULTIPLATFORM user-visible")
> Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Ard Biesheuvel <ardb@kernel.org>
> ---
> arch/arm/Kconfig | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
> index 22f62ad919bfd831..ea8adbf25651438a 100644
> --- a/arch/arm/Kconfig
> +++ b/arch/arm/Kconfig
> @@ -1616,7 +1616,6 @@ config CMDLINE_EXTEND
>
> config CMDLINE_FORCE
> bool "Always use the default kernel command string"
> - depends on !ARCH_MULTIPLATFORM
> help
> Always use the default kernel command string, even if the boot
> loader passes other arguments to the kernel.
> --
> 2.25.1
>
_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [PATCH] ARM: Drop CMDLINE_FORCE dependency on !ARCH_MULTIPLATFORM
2022-09-27 13:26 ` Geert Uytterhoeven
(?)
(?)
@ 2022-09-28 21:00 ` patchwork-bot+linux-soc
-1 siblings, 0 replies; 5+ messages in thread
From: patchwork-bot+linux-soc @ 2022-09-28 21:00 UTC (permalink / raw)
To: Geert Uytterhoeven; +Cc: soc
Hello:
This patch was applied to soc/soc.git (for-next)
by Arnd Bergmann <arnd@arndb.de>:
On Tue, 27 Sep 2022 15:26:26 +0200 you wrote:
> On older platforms that boot an image with an appended DTB, or where
> the boot loader has no support for updating chosen/bootargs, it is
> common to rely on CMDLINE_FORCE.
>
> While a fixed command line can make the kernel unbootable on other
> platforms, it is not guaranteed to cause that. E.g. all Renesas boards
> use the same chosen/bootargs in upstream DTS, which works fine if your
> DHCP server hands out proper nfsroot parameters.
>
> [...]
Here is the summary with links:
- ARM: Drop CMDLINE_FORCE dependency on !ARCH_MULTIPLATFORM
https://git.kernel.org/soc/soc/c/502647105a1d
You are awesome, thank you!
--
Deet-doot-dot, I am a bot.
https://korg.docs.kernel.org/patchwork/pwbot.html
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2022-09-28 21:00 UTC | newest]
Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
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2022-09-27 13:26 [PATCH] ARM: Drop CMDLINE_FORCE dependency on !ARCH_MULTIPLATFORM Geert Uytterhoeven
2022-09-27 13:26 ` Geert Uytterhoeven
2022-09-27 13:35 ` Ard Biesheuvel
2022-09-27 13:35 ` Ard Biesheuvel
2022-09-28 21:00 ` patchwork-bot+linux-soc
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