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Message-ID: <174194561606.14745.15442404984813114424.tip-bot2@tip-bot2>
Date: Fri, 14 Mar 2025 09:46:55 -0000
From: "tip-bot2 for Brian Gerst" <tip-bot2@...utronix.de>
To: linux-tip-commits@...r.kernel.org
Cc: Brian Gerst <brgerst@...il.com>, Ingo Molnar <mingo@...nel.org>,
Sohil Mehta <sohil.mehta@...el.com>, Andy Lutomirski <luto@...nel.org>,
Juergen Gross <jgross@...e.com>, "H. Peter Anvin" <hpa@...or.com>,
Linus Torvalds <torvalds@...ux-foundation.org>,
Josh Poimboeuf <jpoimboe@...hat.com>, x86@...nel.org,
linux-kernel@...r.kernel.org
Subject: [tip: x86/cpu] x86/syscall: Move sys_ni_syscall() to
arch/x86/kernel/process.c
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@...il.com>
AuthorDate: Thu, 13 Mar 2025 14:22:36 -04:00
Committer: Ingo Molnar <mingo@...nel.org>
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@...il.com>
Signed-off-by: Ingo Molnar <mingo@...nel.org>
Reviewed-by: Sohil Mehta <sohil.mehta@...el.com>
Cc: Andy Lutomirski <luto@...nel.org>
Cc: Juergen Gross <jgross@...e.com>
Cc: H. Peter Anvin <hpa@...or.com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Josh Poimboeuf <jpoimboe@...hat.com>
Link: https://lore.kernel.org/r/20250313182236.655724-6-brgerst@gmail.com
---
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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