Commit 9a93e29f authored by Brian Gerst's avatar Brian Gerst Committed by Ingo Molnar
Browse files

x86/syscall: Move sys_ni_syscall() 



Move sys_ni_syscall() to kernel/process.c, and remove the now empty
entry/common.c

No functional changes.

Signed-off-by: default avatarBrian Gerst <brgerst@gmail.com>
Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
Reviewed-by: default avatarSohil Mehta <sohil.mehta@intel.com>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Josh Poimboeuf <jpoimboe@redhat.com>
Link: https://lore.kernel.org/r/20250314151220.862768-6-brgerst@gmail.com
parent 21832247

arch/x86/entry/Makefile

+0 −3
Original line number Diff line number Diff line
@@ -7,16 +7,13 @@ KASAN_SANITIZE := n 
UBSAN_SANITIZE := n

KCOV_INSTRUMENT := n



CFLAGS_REMOVE_common.o		= $(CC_FLAGS_FTRACE)

CFLAGS_REMOVE_syscall_32.o	= $(CC_FLAGS_FTRACE)

CFLAGS_REMOVE_syscall_64.o	= $(CC_FLAGS_FTRACE)



CFLAGS_common.o			+= -fno-stack-protector

CFLAGS_syscall_32.o		+= -fno-stack-protector

CFLAGS_syscall_64.o		+= -fno-stack-protector



obj-y				:= entry.o entry_$(BITS).o syscall_$(BITS).o

obj-y				+= common.o



obj-y				+= vdso/

obj-y				+= vsyscall/

arch/x86/entry/common.c

deleted100644 → 0
+0 −38
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-only

/*

 * common.c - C code for kernel entry and exit

 * Copyright (c) 2015 Andrew Lutomirski

 *

 * Based on asm and ptrace code by many authors.  The code here originated

 * in ptrace.c and signal.c.

 */



#include <linux/kernel.h>

#include <linux/sched.h>

#include <linux/sched/task_stack.h>

#include <linux/entry-common.h>

#include <linux/mm.h>

#include <linux/smp.h>

#include <linux/errno.h>

#include <linux/ptrace.h>

#include <linux/export.h>

#include <linux/nospec.h>

#include <linux/syscalls.h>

#include <linux/uaccess.h>

#include <linux/init.h>



#include <asm/apic.h>

#include <asm/desc.h>

#include <asm/traps.h>

#include <asm/vdso.h>

#include <asm/cpufeature.h>

#include <asm/fpu/api.h>

#include <asm/nospec-branch.h>

#include <asm/io_bitmap.h>

#include <asm/syscall.h>

#include <asm/irq_stack.h>



SYSCALL_DEFINE0(ni_syscall)

{

	return -ENOSYS;

}

arch/x86/kernel/process.c

+5 −0
Original line number Diff line number Diff line
@@ -1063,3 +1063,8 @@ SYSCALL_DEFINE2(arch_prctl, int, option, unsigned long, arg2) 


	return -EINVAL;

}



SYSCALL_DEFINE0(ni_syscall)

{

	return -ENOSYS;

}