From 10ebd8556b7990499c896a550e3d416b444211e6 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 02:23:07 +0000
Subject: [PATCH] add led
---
kernel/arch/s390/include/asm/syscall.h | 41 ++++++++++++++---------------------------
1 files changed, 14 insertions(+), 27 deletions(-)
diff --git a/kernel/arch/s390/include/asm/syscall.h b/kernel/arch/s390/include/asm/syscall.h
index 2becba8..d9d5de0 100644
--- a/kernel/arch/s390/include/asm/syscall.h
+++ b/kernel/arch/s390/include/asm/syscall.h
@@ -14,13 +14,8 @@
#include <linux/err.h>
#include <asm/ptrace.h>
-/*
- * The syscall table always contains 32 bit pointers since we know that the
- * address of the function to be called is (way) below 4GB. So the "int"
- * type here is what we want [need] for both 32 bit and 64 bit systems.
- */
-extern const unsigned int sys_call_table[];
-extern const unsigned int sys_call_table_emu[];
+extern const unsigned long sys_call_table[];
+extern const unsigned long sys_call_table_emu[];
static inline long syscall_get_nr(struct task_struct *task,
struct pt_regs *regs)
@@ -66,46 +61,38 @@
static inline void syscall_get_arguments(struct task_struct *task,
struct pt_regs *regs,
- unsigned int i, unsigned int n,
unsigned long *args)
{
unsigned long mask = -1UL;
+ unsigned int n = 6;
- /*
- * No arguments for this syscall, there's nothing to do.
- */
- if (!n)
- return;
-
- BUG_ON(i + n > 6);
#ifdef CONFIG_COMPAT
if (test_tsk_thread_flag(task, TIF_31BIT))
mask = 0xffffffff;
#endif
while (n-- > 0)
- if (i + n > 0)
- args[n] = regs->gprs[2 + i + n] & mask;
- if (i == 0)
- args[0] = regs->orig_gpr2 & mask;
+ if (n > 0)
+ args[n] = regs->gprs[2 + n] & mask;
+
+ args[0] = regs->orig_gpr2 & mask;
}
static inline void syscall_set_arguments(struct task_struct *task,
struct pt_regs *regs,
- unsigned int i, unsigned int n,
const unsigned long *args)
{
- BUG_ON(i + n > 6);
+ unsigned int n = 6;
+
while (n-- > 0)
- if (i + n > 0)
- regs->gprs[2 + i + n] = args[n];
- if (i == 0)
- regs->orig_gpr2 = args[0];
+ if (n > 0)
+ regs->gprs[2 + n] = args[n];
+ regs->orig_gpr2 = args[0];
}
-static inline int syscall_get_arch(void)
+static inline int syscall_get_arch(struct task_struct *task)
{
#ifdef CONFIG_COMPAT
- if (test_tsk_thread_flag(current, TIF_31BIT))
+ if (test_tsk_thread_flag(task, TIF_31BIT))
return AUDIT_ARCH_S390;
#endif
return AUDIT_ARCH_S390X;
--
Gitblit v1.6.2