The following commit has been merged into the x86/cpu branch of tip: Commit-ID: 83d5563952e6634826f831a9b91c62c7cab4ca4d Gitweb: https://git.kernel.org/tip/83d5563952e6634826f831a9b91c62c7cab4ca4d Author: Brian Gerst <brgerst@xxxxxxxxx> AuthorDate: Thu, 13 Mar 2025 14:22:36 -04:00 Committer: Ingo Molnar <mingo@xxxxxxxxxx> CommitterDate: Fri, 14 Mar 2025 10:32:51 +01:00 x86/syscall: Move sys_ni_syscall() to arch/x86/kernel/process.c Move sys_ni_syscall() to kernel/process.c, and remove the now empty entry/common.c No functional changes. Signed-off-by: Brian Gerst <brgerst@xxxxxxxxx> Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx> Reviewed-by: Sohil Mehta <sohil.mehta@xxxxxxxxx> Cc: Andy Lutomirski <luto@xxxxxxxxxx> Cc: Juergen Gross <jgross@xxxxxxxx> Cc: H. Peter Anvin <hpa@xxxxxxxxx> Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> Cc: Josh Poimboeuf <jpoimboe@xxxxxxxxxx> Link: https://lore.kernel.org/r/20250313182236.655724-6-brgerst@xxxxxxxxx --- arch/x86/entry/Makefile | 3 +--- arch/x86/entry/common.c | 38 +-------------------------------------- arch/x86/kernel/process.c | 5 +++++- 3 files changed, 5 insertions(+), 41 deletions(-) delete mode 100644 arch/x86/entry/common.c diff --git a/arch/x86/entry/Makefile b/arch/x86/entry/Makefile index e870f8a..72cae8e 100644 --- a/arch/x86/entry/Makefile +++ b/arch/x86/entry/Makefile @@ -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/ diff --git a/arch/x86/entry/common.c b/arch/x86/entry/common.c deleted file mode 100644 index 5bd448c..0000000 --- a/arch/x86/entry/common.c +++ /dev/null @@ -1,38 +0,0 @@ -// 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; -} diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c index 6da6769..b5fb108 100644 --- a/arch/x86/kernel/process.c +++ b/arch/x86/kernel/process.c @@ -1060,3 +1060,8 @@ long do_arch_prctl_common(int option, unsigned long arg2) return -EINVAL; } + +SYSCALL_DEFINE0(ni_syscall) +{ + return -ENOSYS; +}
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