linux-kernel - [tip: x86/cleanups] x86/32: Remove unused IA32_STACK

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Date: Tue, 02 Apr 2024 13:28:29 -0000
From: "tip-bot2 for YueHaibing" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: YueHaibing <yuehaibing@...wei.com>, "Borislav Petkov (AMD)" <bp@...en8.de>,
 x86@...nel.org, linux-kernel@...r.kernel.org
Subject:
 [tip: x86/cleanups] x86/32: Remove unused IA32_STACK_TOP and two externs

The following commit has been merged into the x86/cleanups branch of tip:

Commit-ID:     52b2c101b9ce3b954ebbed4c24396ec28f66fcd9
Gitweb:        https://git.kernel.org/tip/52b2c101b9ce3b954ebbed4c24396ec28f66fcd9
Author:        YueHaibing <yuehaibing@...wei.com>
AuthorDate:    Sun, 25 Jun 2023 20:54:11 +08:00
Committer:     Borislav Petkov (AMD) <bp@...en8.de>
CommitterDate: Tue, 02 Apr 2024 15:01:40 +02:00

x86/32: Remove unused IA32_STACK_TOP and two externs

Since

  32974ad4907c ("[IA64] Remove COMPAT_IA32 support")

IA32_STACK_TOP and ia32_setup_arg_pages() are not used anymore.

And

  675a0813609f ("x86: unify mmap_{32|64}.c")

left behind ia32_pick_mmap_layout() extern declaration.

Remove them all.

  [ bp: Massage commit message. ]

Signed-off-by: YueHaibing <yuehaibing@...wei.com>
Signed-off-by: Borislav Petkov (AMD) <bp@...en8.de>
Link: https://lore.kernel.org/r/20230625125411.25840-1-yuehaibing@huawei.com
---
 arch/x86/include/asm/ia32.h | 11 -----------
 1 file changed, 11 deletions(-)

diff --git a/arch/x86/include/asm/ia32.h b/arch/x86/include/asm/ia32.h
index 4212c00..9d69f3f 100644
--- a/arch/x86/include/asm/ia32.h
+++ b/arch/x86/include/asm/ia32.h
@@ -56,17 +56,6 @@ struct stat64 {
 	unsigned long long	st_ino;
 } __attribute__((packed));
 
-#define IA32_STACK_TOP IA32_PAGE_OFFSET
-
-#ifdef __KERNEL__
-struct linux_binprm;
-extern int ia32_setup_arg_pages(struct linux_binprm *bprm,
-				unsigned long stack_top, int exec_stack);
-struct mm_struct;
-extern void ia32_pick_mmap_layout(struct mm_struct *mm);
-
-#endif
-
 extern bool __ia32_enabled;
 
 static __always_inline bool ia32_enabled(void)