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Date: Wed, 27 Dec 2023 22:38:41 +0000
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Message-ID: <20231227-syscall32-v1-1-9621140d33bd@google.com>
Subject: [PATCH] x86/syscalls: shrink entry/syscall_32.i via IWYU
From: Tanzir Hasan <tanzirh@google.com>
To: Andy Lutomirski <luto@kernel.org>, Thomas Gleixner <tglx@linutronix.de>, Ingo Molnar <mingo@redhat.com>, 
	Borislav Petkov <bp@alien8.de>, Dave Hansen <dave.hansen@linux.intel.com>, x86@kernel.org, 
	"H. Peter Anvin" <hpa@zytor.com>
Cc: linux-kernel@vger.kernel.org, Nick Desaulniers <nnn@google.com>, 
	Tanzir Hasan <tanzirh@google.com>
Content-Type: text/plain; charset="utf-8"

This diff uses an open source tool include-what-you-use (IWYU) to modify
the include list, changing indirect includes to direct includes. IWYU is
implemented using the IWYUScripts github repository which is a tool that
is currently undergoing development. These changes seek to improve build
times.

This change to entry/syscall_32.c resulted in a preprocessed size of
entry/syscall_32.i from 64002 lines to 47986 lines (-25%) for the x86
defconfig.

Signed-off-by: Tanzir Hasan <tanzirh@google.com>
---
 arch/x86/entry/syscall_32.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/x86/entry/syscall_32.c b/arch/x86/entry/syscall_32.c
index 8cfc9bc73e7f..66db11fe8a1c 100644
--- a/arch/x86/entry/syscall_32.c
+++ b/arch/x86/entry/syscall_32.c
@@ -4,7 +4,7 @@
 #include <linux/linkage.h>
 #include <linux/sys.h>
 #include <linux/cache.h>
-#include <linux/syscalls.h>
+#include <linux/ptrace.h>
 #include <asm/syscall.h>
 
 #ifdef CONFIG_IA32_EMULATION
@@ -16,6 +16,7 @@
 #define __SYSCALL(nr, sym) extern long __ia32_##sym(const struct pt_regs *);
 
 #include <asm/syscalls_32.h>
+
 #undef __SYSCALL
 
 #define __SYSCALL(nr, sym) __ia32_##sym,

---
base-commit: fbafc3e621c3f4ded43720fdb1d6ce1728ec664e
change-id: 20231227-syscall32-2c6d62fe51c9

Best regards,
-- 
Tanzir Hasan <tanzirh@google.com>