From 72113d0a7d90d950c7c9a87ab905bffb6bc5752d Mon Sep 17 00:00:00 2001
From: Masahiro Yamada <masahiroy@kernel.org>
Date: Thu, 10 Feb 2022 11:11:24 +0900
Subject: [PATCH] signal.h: add linux/signal.h and asm/signal.h to UAPI
 compile-test coverage
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linux/signal.h and asm/signal.h are currently excluded from the UAPI
compile-test because of the errors like follows:

    HDRTEST usr/include/asm/signal.h
  In file included from <command-line>:
  ./usr/include/asm/signal.h:103:9: error: unknown type name ‘size_t’
    103 |         size_t ss_size;
        |         ^~~~~~

The errors can be fixed by replacing size_t with __kernel_size_t.

Then, remove the no-header-test entries from user/include/Makefile.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
---
 arch/alpha/include/uapi/asm/signal.h   | 2 +-
 arch/arm/include/uapi/asm/signal.h     | 2 +-
 arch/h8300/include/uapi/asm/signal.h   | 2 +-
 arch/ia64/include/uapi/asm/signal.h    | 2 +-
 arch/m68k/include/uapi/asm/signal.h    | 2 +-
 arch/mips/include/uapi/asm/signal.h    | 2 +-
 arch/parisc/include/uapi/asm/signal.h  | 2 +-
 arch/powerpc/include/uapi/asm/signal.h | 2 +-
 arch/s390/include/uapi/asm/signal.h    | 2 +-
 arch/sparc/include/uapi/asm/signal.h   | 3 ++-
 arch/x86/include/uapi/asm/signal.h     | 2 +-
 arch/xtensa/include/uapi/asm/signal.h  | 2 +-
 include/uapi/asm-generic/signal.h      | 2 +-
 usr/include/Makefile                   | 2 --
 14 files changed, 14 insertions(+), 15 deletions(-)

diff --git a/arch/alpha/include/uapi/asm/signal.h b/arch/alpha/include/uapi/asm/signal.h
index a69dd8d080a88..1413075f7616b 100644
--- a/arch/alpha/include/uapi/asm/signal.h
+++ b/arch/alpha/include/uapi/asm/signal.h
@@ -100,7 +100,7 @@ struct sigaction {
 typedef struct sigaltstack {
 	void __user *ss_sp;
 	int ss_flags;
-	size_t ss_size;
+	__kernel_size_t ss_size;
 } stack_t;
 
 /* sigstack(2) is deprecated, and will be withdrawn in a future version
diff --git a/arch/arm/include/uapi/asm/signal.h b/arch/arm/include/uapi/asm/signal.h
index c9a3ea1d8d416..9e2178420db21 100644
--- a/arch/arm/include/uapi/asm/signal.h
+++ b/arch/arm/include/uapi/asm/signal.h
@@ -93,7 +93,7 @@ struct sigaction {
 typedef struct sigaltstack {
 	void __user *ss_sp;
 	int ss_flags;
-	size_t ss_size;
+	__kernel_size_t ss_size;
 } stack_t;
 
 
diff --git a/arch/h8300/include/uapi/asm/signal.h b/arch/h8300/include/uapi/asm/signal.h
index 2cd0dce2b6a67..1165481f80f6a 100644
--- a/arch/h8300/include/uapi/asm/signal.h
+++ b/arch/h8300/include/uapi/asm/signal.h
@@ -85,7 +85,7 @@ struct sigaction {
 typedef struct sigaltstack {
 	void *ss_sp;
 	int ss_flags;
-	size_t ss_size;
+	__kernel_size_t ss_size;
 } stack_t;
 
 
diff --git a/arch/ia64/include/uapi/asm/signal.h b/arch/ia64/include/uapi/asm/signal.h
index 38166a88e4c96..63d574e802a20 100644
--- a/arch/ia64/include/uapi/asm/signal.h
+++ b/arch/ia64/include/uapi/asm/signal.h
@@ -90,7 +90,7 @@ struct siginfo;
 typedef struct sigaltstack {
 	void __user *ss_sp;
 	int ss_flags;
-	size_t ss_size;
+	__kernel_size_t ss_size;
 } stack_t;
 
 
diff --git a/arch/m68k/include/uapi/asm/signal.h b/arch/m68k/include/uapi/asm/signal.h
index 4619291df601f..80f520b9b10be 100644
--- a/arch/m68k/include/uapi/asm/signal.h
+++ b/arch/m68k/include/uapi/asm/signal.h
@@ -83,7 +83,7 @@ struct sigaction {
 typedef struct sigaltstack {
 	void __user *ss_sp;
 	int ss_flags;
-	size_t ss_size;
+	__kernel_size_t ss_size;
 } stack_t;
 
 #endif /* _UAPI_M68K_SIGNAL_H */
diff --git a/arch/mips/include/uapi/asm/signal.h b/arch/mips/include/uapi/asm/signal.h
index e6c78a15cb2f1..94a00f82e3733 100644
--- a/arch/mips/include/uapi/asm/signal.h
+++ b/arch/mips/include/uapi/asm/signal.h
@@ -100,7 +100,7 @@ struct sigaction {
 /* IRIX compatible stack_t  */
 typedef struct sigaltstack {
 	void __user *ss_sp;
-	size_t ss_size;
+	__kernel_size_t ss_size;
 	int ss_flags;
 } stack_t;
 
diff --git a/arch/parisc/include/uapi/asm/signal.h b/arch/parisc/include/uapi/asm/signal.h
index e5a2657477ac9..8e4895c5ea5d3 100644
--- a/arch/parisc/include/uapi/asm/signal.h
+++ b/arch/parisc/include/uapi/asm/signal.h
@@ -67,7 +67,7 @@ struct siginfo;
 typedef struct sigaltstack {
 	void __user *ss_sp;
 	int ss_flags;
-	size_t ss_size;
+	__kernel_size_t ss_size;
 } stack_t;
 
 #endif /* !__ASSEMBLY */
diff --git a/arch/powerpc/include/uapi/asm/signal.h b/arch/powerpc/include/uapi/asm/signal.h
index 04873dd311c2a..37d41d87c45bf 100644
--- a/arch/powerpc/include/uapi/asm/signal.h
+++ b/arch/powerpc/include/uapi/asm/signal.h
@@ -86,7 +86,7 @@ struct sigaction {
 typedef struct sigaltstack {
 	void __user *ss_sp;
 	int ss_flags;
-	size_t ss_size;
+	__kernel_size_t ss_size;
 } stack_t;
 
 
diff --git a/arch/s390/include/uapi/asm/signal.h b/arch/s390/include/uapi/asm/signal.h
index 0189f326aac59..e74d6ba1bd3bd 100644
--- a/arch/s390/include/uapi/asm/signal.h
+++ b/arch/s390/include/uapi/asm/signal.h
@@ -108,7 +108,7 @@ struct sigaction {
 typedef struct sigaltstack {
         void __user *ss_sp;
         int ss_flags;
-        size_t ss_size;
+	__kernel_size_t ss_size;
 } stack_t;
 
 
diff --git a/arch/sparc/include/uapi/asm/signal.h b/arch/sparc/include/uapi/asm/signal.h
index 53758d53ac0ec..d395af9b46d26 100644
--- a/arch/sparc/include/uapi/asm/signal.h
+++ b/arch/sparc/include/uapi/asm/signal.h
@@ -2,6 +2,7 @@
 #ifndef _UAPI__SPARC_SIGNAL_H
 #define _UAPI__SPARC_SIGNAL_H
 
+#include <asm/posix_types.h>
 #include <asm/sigcontext.h>
 #include <linux/compiler.h>
 
@@ -171,7 +172,7 @@ struct __old_sigaction {
 typedef struct sigaltstack {
 	void			__user *ss_sp;
 	int			ss_flags;
-	size_t			ss_size;
+	__kernel_size_t		ss_size;
 } stack_t;
 
 
diff --git a/arch/x86/include/uapi/asm/signal.h b/arch/x86/include/uapi/asm/signal.h
index 164a22a729841..777c3a0f4e230 100644
--- a/arch/x86/include/uapi/asm/signal.h
+++ b/arch/x86/include/uapi/asm/signal.h
@@ -104,7 +104,7 @@ struct sigaction {
 typedef struct sigaltstack {
 	void __user *ss_sp;
 	int ss_flags;
-	size_t ss_size;
+	__kernel_size_t ss_size;
 } stack_t;
 
 #endif /* __ASSEMBLY__ */
diff --git a/arch/xtensa/include/uapi/asm/signal.h b/arch/xtensa/include/uapi/asm/signal.h
index 79ddabaa4e5da..b8c824dd4b746 100644
--- a/arch/xtensa/include/uapi/asm/signal.h
+++ b/arch/xtensa/include/uapi/asm/signal.h
@@ -103,7 +103,7 @@ struct sigaction {
 typedef struct sigaltstack {
 	void *ss_sp;
 	int ss_flags;
-	size_t ss_size;
+	__kernel_size_t ss_size;
 } stack_t;
 
 #endif	/* __ASSEMBLY__ */
diff --git a/include/uapi/asm-generic/signal.h b/include/uapi/asm-generic/signal.h
index f634822906e4a..0eb69dc8e5722 100644
--- a/include/uapi/asm-generic/signal.h
+++ b/include/uapi/asm-generic/signal.h
@@ -85,7 +85,7 @@ struct sigaction {
 typedef struct sigaltstack {
 	void __user *ss_sp;
 	int ss_flags;
-	size_t ss_size;
+	__kernel_size_t ss_size;
 } stack_t;
 
 #endif /* __ASSEMBLY__ */
diff --git a/usr/include/Makefile b/usr/include/Makefile
index 83822c33e9e70..3150b86748e91 100644
--- a/usr/include/Makefile
+++ b/usr/include/Makefile
@@ -21,7 +21,6 @@ override c_flags = $(UAPI_CFLAGS) -Wp,-MMD,$(depfile) -I$(objtree)/usr/include
 #
 # Sorted alphabetically.
 no-header-test += asm/shmbuf.h
-no-header-test += asm/signal.h
 no-header-test += asm/ucontext.h
 no-header-test += drm/vmwgfx_drm.h
 no-header-test += linux/am437x-vpfe.h
@@ -41,7 +40,6 @@ no-header-test += linux/patchkey.h
 no-header-test += linux/phonet.h
 no-header-test += linux/reiserfs_xattr.h
 no-header-test += linux/sctp.h
-no-header-test += linux/signal.h
 no-header-test += linux/sysctl.h
 no-header-test += linux/usb/audio.h
 no-header-test += linux/v4l2-mediabus.h
-- 
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