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From: Alexandre Ghiti <alexghiti@rivosinc.com>
To: Greg KH <gregkh@linuxfoundation.org>,
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Subject: [PATCH v5 13/26] asm-generic: Remove COMMAND_LINE_SIZE from uapi
Date: Mon,  6 Mar 2023 11:04:55 +0100
Message-Id: <20230306100508.1171812-14-alexghiti@rivosinc.com>
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Cc: Palmer Dabbelt <palmerdabbelt@google.com>, Alexandre Ghiti <alexghiti@rivosinc.com>, Palmer Dabbelt <palmer@rivosinc.com>
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From: Palmer Dabbelt <palmerdabbelt@google.com>

As far as I can tell this is not used by userspace and thus should not
be part of the user-visible API.  Since <uapi/asm-generic/setup.h> only
contains COMMAND_LINE_SIZE we can just move it out of uapi to hide the
definition and fix up the only direct use in Loongarch.

Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
Link: https://lore.kernel.org/r/20210423025545.313965-1-palmer@dabbelt.com
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>
---
 Documentation/admin-guide/kernel-parameters.rst | 2 +-
 arch/loongarch/include/asm/setup.h              | 2 +-
 arch/sh/include/asm/setup.h                     | 2 +-
 include/asm-generic/Kbuild                      | 1 +
 include/{uapi => }/asm-generic/setup.h          | 0
 include/uapi/asm-generic/Kbuild                 | 1 -
 6 files changed, 4 insertions(+), 4 deletions(-)
 rename include/{uapi => }/asm-generic/setup.h (100%)

diff --git a/Documentation/admin-guide/kernel-parameters.rst b/Documentation/admin-guide/kernel-parameters.rst
index 19600c50277b..2b94d5a42bd6 100644
--- a/Documentation/admin-guide/kernel-parameters.rst
+++ b/Documentation/admin-guide/kernel-parameters.rst
@@ -207,7 +207,7 @@ The number of kernel parameters is not limited, but the length of the
 complete command line (parameters including spaces etc.) is limited to
 a fixed number of characters. This limit depends on the architecture
 and is between 256 and 4096 characters. It is defined in the file
-./include/uapi/asm-generic/setup.h as COMMAND_LINE_SIZE.
+./include/asm-generic/setup.h as COMMAND_LINE_SIZE.
 
 Finally, the [KMG] suffix is commonly described after a number of kernel
 parameter values. These 'K', 'M', and 'G' letters represent the _binary_
diff --git a/arch/loongarch/include/asm/setup.h b/arch/loongarch/include/asm/setup.h
index 72ead58039f3..86c99b183ea0 100644
--- a/arch/loongarch/include/asm/setup.h
+++ b/arch/loongarch/include/asm/setup.h
@@ -7,7 +7,7 @@
 #define _LOONGARCH_SETUP_H
 
 #include <linux/types.h>
-#include <uapi/asm/setup.h>
+#include <asm-generic/setup.h>
 
 #define VECSIZE 0x200
 
diff --git a/arch/sh/include/asm/setup.h b/arch/sh/include/asm/setup.h
index fc807011187f..ae09b1c29fd1 100644
--- a/arch/sh/include/asm/setup.h
+++ b/arch/sh/include/asm/setup.h
@@ -2,7 +2,7 @@
 #ifndef _SH_SETUP_H
 #define _SH_SETUP_H
 
-#include <uapi/asm/setup.h>
+#include <asm-generic/setup.h>
 
 /*
  * This is set up by the setup-routine at boot-time
diff --git a/include/asm-generic/Kbuild b/include/asm-generic/Kbuild
index 941be574bbe0..0fb55a119f54 100644
--- a/include/asm-generic/Kbuild
+++ b/include/asm-generic/Kbuild
@@ -49,6 +49,7 @@ mandatory-y += preempt.h
 mandatory-y += rwonce.h
 mandatory-y += sections.h
 mandatory-y += serial.h
+mandatory-y += setup.h
 mandatory-y += shmparam.h
 mandatory-y += simd.h
 mandatory-y += softirq_stack.h
diff --git a/include/uapi/asm-generic/setup.h b/include/asm-generic/setup.h
similarity index 100%
rename from include/uapi/asm-generic/setup.h
rename to include/asm-generic/setup.h
diff --git a/include/uapi/asm-generic/Kbuild b/include/uapi/asm-generic/Kbuild
index ebb180aac74e..0e7122339ee9 100644
--- a/include/uapi/asm-generic/Kbuild
+++ b/include/uapi/asm-generic/Kbuild
@@ -20,7 +20,6 @@ mandatory-y += posix_types.h
 mandatory-y += ptrace.h
 mandatory-y += resource.h
 mandatory-y += sembuf.h
-mandatory-y += setup.h
 mandatory-y += shmbuf.h
 mandatory-y += sigcontext.h
 mandatory-y += siginfo.h
-- 
2.37.2