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From: Christophe Leroy <christophe.leroy@csgroup.eu>
To: will@kernel.org, danielwa@cisco.com, robh@kernel.org,
	daniel@gimpelevich.san-francisco.ca.us
Cc: linux-arch@vger.kernel.org, devicetree@vger.kernel.org,
	linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org,
	linuxppc-dev@lists.ozlabs.org,
	linux-arm-kernel@lists.infradead.org,
	microblaze <monstr@monstr.eu>,
	linux-mips@vger.kernel.org, nios2 <ley.foon.tan@intel.com>,
	openrisc@lists.librecores.org, linux-hexagon@vger.kernel.org,
	linux-riscv@lists.infradead.org, x86@kernel.org,
	linux-xtensa@linux-xtensa.org, linux-sh@vger.kernel.org,
	sparclinux@vger.kernel.org
Subject: [PATCH v3 11/17] riscv: Convert to GENERIC_CMDLINE
Date: Fri, 26 Mar 2021 13:44:58 +0000 (UTC)
Message-ID: <46745e07b04139a22b5bd01dc37df97e6981e643.1616765870.git.christophe.leroy@csgroup.eu> (raw)
In-Reply-To: <cover.1616765869.git.christophe.leroy@csgroup.eu>

This converts the architecture to GENERIC_CMDLINE.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
---
 arch/riscv/Kconfig        | 44 +--------------------------------------
 arch/riscv/kernel/setup.c |  5 ++---
 2 files changed, 3 insertions(+), 46 deletions(-)

diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 87d7b52f278f..3dbd50bed037 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -39,6 +39,7 @@ config RISCV
 	select EDAC_SUPPORT
 	select GENERIC_ARCH_TOPOLOGY if SMP
 	select GENERIC_ATOMIC64 if !64BIT
+	select GENERIC_CMDLINE
 	select GENERIC_EARLY_IOREMAP
 	select GENERIC_GETTIMEOFDAY if HAVE_GENERIC_VDSO
 	select GENERIC_IOREMAP
@@ -390,49 +391,6 @@ endmenu
 
 menu "Boot options"
 
-config CMDLINE
-	string "Built-in kernel command line"
-	help
-	  For most platforms, the arguments for the kernel's command line
-	  are provided at run-time, during boot. However, there are cases
-	  where either no arguments are being provided or the provided
-	  arguments are insufficient or even invalid.
-
-	  When that occurs, it is possible to define a built-in command
-	  line here and choose how the kernel should use it later on.
-
-choice
-	prompt "Built-in command line usage" if CMDLINE != ""
-	default CMDLINE_FALLBACK
-	help
-	  Choose how the kernel will handle the provided built-in command
-	  line.
-
-config CMDLINE_FALLBACK
-	bool "Use bootloader kernel arguments if available"
-	help
-	  Use the built-in command line as fallback in case we get nothing
-	  during boot. This is the default behaviour.
-
-config CMDLINE_EXTEND
-	bool "Extend bootloader kernel arguments"
-	help
-	  The command-line arguments provided during boot will be
-	  appended to the built-in command line. This is useful in
-	  cases where the provided arguments are insufficient and
-	  you don't want to or cannot modify them.
-
-
-config CMDLINE_FORCE
-	bool "Always use the default kernel command string"
-	help
-	  Always use the built-in command line, even if we get one during
-	  boot. This is useful in case you need to override the provided
-	  command line on systems where you don't have or want control
-	  over it.
-
-endchoice
-
 config EFI_STUB
 	bool
 
diff --git a/arch/riscv/kernel/setup.c b/arch/riscv/kernel/setup.c
index f8f15332caa2..e7c91ee478d1 100644
--- a/arch/riscv/kernel/setup.c
+++ b/arch/riscv/kernel/setup.c
@@ -20,6 +20,7 @@
 #include <linux/swiotlb.h>
 #include <linux/smp.h>
 #include <linux/efi.h>
+#include <linux/cmdline.h>
 
 #include <asm/cpu_ops.h>
 #include <asm/early_ioremap.h>
@@ -228,10 +229,8 @@ static void __init parse_dtb(void)
 	}
 
 	pr_err("No DTB passed to the kernel\n");
-#ifdef CONFIG_CMDLINE_FORCE
-	strlcpy(boot_command_line, CONFIG_CMDLINE, COMMAND_LINE_SIZE);
+	cmdline_build(boot_command_line, NULL, COMMAND_LINE_SIZE);
 	pr_info("Forcing kernel command line to: %s\n", boot_command_line);
-#endif
 }
 
 void __init setup_arch(char **cmdline_p)
-- 
2.25.0


  parent reply index

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-26 13:44 [PATCH v3 00/17] Implement GENERIC_CMDLINE Christophe Leroy
2021-03-26 13:44 ` [PATCH v3 01/17] cmdline: Add generic function to build command line Christophe Leroy
2021-03-26 15:42   ` Rob Herring
2021-03-26 15:55     ` Christophe Leroy
2021-04-02 15:23     ` Christophe Leroy
2021-03-30 17:27   ` Daniel Walker
2021-03-30 18:07     ` H. Nikolaus Schaller
2021-03-30 18:23       ` Daniel Walker
2021-04-02 15:33     ` Christophe Leroy
2021-03-26 13:44 ` [PATCH v3 02/17] drivers: of: use cmdline building function Christophe Leroy
2021-03-26 13:44 ` [PATCH v3 03/17] cmdline: Gives architectures opportunity to use generically defined boot cmdline manipulation Christophe Leroy
2021-03-26 13:44 ` [PATCH v3 04/17] powerpc: Convert to GENERIC_CMDLINE Christophe Leroy
2021-03-26 13:44 ` [PATCH v3 05/17] arm: " Christophe Leroy
2021-03-26 15:47   ` Rob Herring
2021-03-26 15:49     ` Christophe Leroy
2021-03-26 18:22       ` Rob Herring
2021-04-02 15:19     ` Christophe Leroy
2021-04-02 15:24     ` Christophe Leroy
2021-03-26 13:44 ` [PATCH v3 06/17] arm64: " Christophe Leroy
2021-03-26 13:44 ` [PATCH v3 07/17] hexagon: " Christophe Leroy
2021-03-26 13:44 ` [PATCH v3 08/17] microblaze: " Christophe Leroy
2021-03-26 13:44 ` [PATCH v3 09/17] nios2: " Christophe Leroy
2021-03-29  1:35   ` Tan, Ley Foon
2021-04-02 15:33     ` Christophe Leroy
2021-03-26 13:44 ` [PATCH v3 10/17] openrisc: " Christophe Leroy
2021-03-26 13:44 ` Christophe Leroy [this message]
2021-03-26 14:08   ` [PATCH v3 11/17] riscv: " Andreas Schwab
2021-03-26 14:20     ` Christophe Leroy
2021-03-26 15:26       ` Rob Herring
2021-03-30  0:52         ` Nick Kossifidis
2021-04-02 15:21         ` Christophe Leroy
2021-03-26 13:44 ` [PATCH v3 12/17] sh: " Christophe Leroy
2021-04-02 15:36   ` Christophe Leroy
2021-03-26 13:45 ` [PATCH v3 13/17] sparc: " Christophe Leroy
2021-03-26 13:45 ` [PATCH v3 14/17] xtensa: " Christophe Leroy
2021-03-26 13:45 ` [PATCH v3 15/17] x86: " Christophe Leroy
2021-03-26 13:45 ` [PATCH v3 16/17] mips: " Christophe Leroy
2021-03-26 13:45 ` [PATCH v3 17/17] cmdline: Remove CONFIG_CMDLINE_EXTEND Christophe Leroy
2021-03-26 15:04 ` [PATCH v3 00/17] Implement GENERIC_CMDLINE Rob Herring
2021-04-02 15:20   ` Christophe Leroy

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