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-rw-r--r--arch/um/include/os.h5
-rw-r--r--arch/um/include/um_uaccess.h4
-rw-r--r--arch/um/include/uml_uaccess.h24
-rw-r--r--arch/um/kernel/exec.c2
-rw-r--r--arch/um/kernel/mem.c2
-rw-r--r--arch/um/kernel/trap.c6
-rw-r--r--arch/um/kernel/uaccess.c2
-rw-r--r--arch/um/os-Linux/process.c2
-rw-r--r--arch/um/os-Linux/trap.c7
-rw-r--r--arch/um/os-Linux/uaccess.c2
-rw-r--r--include/asm-um/processor-generic.h4
11 files changed, 16 insertions, 44 deletions
diff --git a/arch/um/include/os.h b/arch/um/include/os.h
index 96f333cd560..c704851d68b 100644
--- a/arch/um/include/os.h
+++ b/arch/um/include/os.h
@@ -193,7 +193,7 @@ extern int os_getpid(void);
extern int os_getpgrp(void);
extern void init_new_thread_signals(void);
-extern int run_kernel_thread(int (*fn)(void *), void *arg, void **jmp_ptr);
+extern int run_kernel_thread(int (*fn)(void *), void *arg, jmp_buf **jmp_ptr);
extern int os_map_memory(void *virt, int fd, unsigned long long off,
unsigned long len, int r, int w, int x);
@@ -206,7 +206,7 @@ extern void os_flush_stdout(void);
/* uaccess.c */
extern unsigned long __do_user_copy(void *to, const void *from, int n,
- void **fault_addr, void **fault_catcher,
+ void **fault_addr, jmp_buf **fault_catcher,
void (*op)(void *to, const void *from,
int n), int *faulted_out);
@@ -240,7 +240,6 @@ extern int set_signals(int enable);
/* trap.c */
extern void os_fill_handlinfo(struct kern_handlers h);
-extern void do_longjmp(void *p, int val);
/* util.c */
extern void stack_protections(unsigned long address);
diff --git a/arch/um/include/um_uaccess.h b/arch/um/include/um_uaccess.h
index 5ef311a1a39..fdfc06b8560 100644
--- a/arch/um/include/um_uaccess.h
+++ b/arch/um/include/um_uaccess.h
@@ -30,6 +30,10 @@
extern int copy_from_user(void *to, const void __user *from, int n);
extern int copy_to_user(void __user *to, const void *from, int n);
+extern int __do_copy_to_user(void *to, const void *from, int n,
+ void **fault_addr, jmp_buf **fault_catcher);
+extern void __do_copy(void *to, const void *from, int n);
+
/*
* strncpy_from_user: - Copy a NUL terminated string from userspace.
* @dst: Destination address, in kernel space. This buffer must be at
diff --git a/arch/um/include/uml_uaccess.h b/arch/um/include/uml_uaccess.h
deleted file mode 100644
index c0df11d06f5..00000000000
--- a/arch/um/include/uml_uaccess.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * Copyright (C) 2001 Jeff Dike (jdike@karaya.com)
- * Licensed under the GPL
- */
-
-#ifndef __UML_UACCESS_H__
-#define __UML_UACCESS_H__
-
-extern int __do_copy_to_user(void *to, const void *from, int n,
- void **fault_addr, void **fault_catcher);
-void __do_copy(void *to, const void *from, int n);
-
-#endif
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
diff --git a/arch/um/kernel/exec.c b/arch/um/kernel/exec.c
index 0d260567fd1..25c50261755 100644
--- a/arch/um/kernel/exec.c
+++ b/arch/um/kernel/exec.c
@@ -75,7 +75,7 @@ long um_execve(char *file, char __user *__user *argv, char __user *__user *env)
err = execve1(file, argv, env);
if (!err)
- do_longjmp(current->thread.exec_buf, 1);
+ UML_LONGJMP(current->thread.exec_buf, 1);
return err;
}
diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c
index d2b11f24269..8456397f5f4 100644
--- a/arch/um/kernel/mem.c
+++ b/arch/um/kernel/mem.c
@@ -17,7 +17,7 @@
#include "as-layout.h"
#include "kern.h"
#include "mem_user.h"
-#include "uml_uaccess.h"
+#include "um_uaccess.h"
#include "os.h"
#include "linux/types.h"
#include "linux/string.h"
diff --git a/arch/um/kernel/trap.c b/arch/um/kernel/trap.c
index eac63fb6183..bd060551e61 100644
--- a/arch/um/kernel/trap.c
+++ b/arch/um/kernel/trap.c
@@ -149,7 +149,7 @@ unsigned long segv(struct faultinfo fi, unsigned long ip, int is_user,
struct uml_pt_regs *regs)
{
struct siginfo si;
- void *catcher;
+ jmp_buf *catcher;
int err;
int is_write = FAULT_WRITE(fi);
unsigned long address = FAULT_ADDRESS(fi);
@@ -181,7 +181,7 @@ unsigned long segv(struct faultinfo fi, unsigned long ip, int is_user,
return 0;
else if (catcher != NULL) {
current->thread.fault_addr = (void *) address;
- do_longjmp(catcher, 1);
+ UML_LONGJMP(catcher, 1);
}
else if (current->thread.fault_addr != NULL)
panic("fault_addr set but no fault catcher");
@@ -233,7 +233,7 @@ void relay_signal(int sig, struct uml_pt_regs *regs)
static void bus_handler(int sig, struct uml_pt_regs *regs)
{
if (current->thread.fault_catcher != NULL)
- do_longjmp(current->thread.fault_catcher, 1);
+ UML_LONGJMP(current->thread.fault_catcher, 1);
else relay_signal(sig, regs);
}
diff --git a/arch/um/kernel/uaccess.c b/arch/um/kernel/uaccess.c
index 054e3de0784..d7436aacd26 100644
--- a/arch/um/kernel/uaccess.c
+++ b/arch/um/kernel/uaccess.c
@@ -18,7 +18,7 @@ void __do_copy(void *to, const void *from, int n)
int __do_copy_to_user(void *to, const void *from, int n,
- void **fault_addr, void **fault_catcher)
+ void **fault_addr, jmp_buf **fault_catcher)
{
unsigned long fault;
int faulted;
diff --git a/arch/um/os-Linux/process.c b/arch/um/os-Linux/process.c
index b2e0d8c4258..8b57eb3647f 100644
--- a/arch/um/os-Linux/process.c
+++ b/arch/um/os-Linux/process.c
@@ -249,7 +249,7 @@ void init_new_thread_signals(void)
init_irq_signals(1);
}
-int run_kernel_thread(int (*fn)(void *), void *arg, void **jmp_ptr)
+int run_kernel_thread(int (*fn)(void *), void *arg, jmp_buf **jmp_ptr)
{
jmp_buf buf;
int n;
diff --git a/arch/um/os-Linux/trap.c b/arch/um/os-Linux/trap.c
index be8e029f58b..d3a34ca8a89 100644
--- a/arch/um/os-Linux/trap.c
+++ b/arch/um/os-Linux/trap.c
@@ -22,10 +22,3 @@ void os_fill_handlinfo(struct kern_handlers h)
sig_info[SIGVTALRM] = h.timer_handler;
sig_info[SIGALRM] = h.timer_handler;
}
-
-void do_longjmp(void *b, int val)
-{
- jmp_buf *buf = b;
-
- UML_LONGJMP(buf, val);
-}
diff --git a/arch/um/os-Linux/uaccess.c b/arch/um/os-Linux/uaccess.c
index bbb73a65037..8d27b6d1df9 100644
--- a/arch/um/os-Linux/uaccess.c
+++ b/arch/um/os-Linux/uaccess.c
@@ -8,7 +8,7 @@
#include "longjmp.h"
unsigned long __do_user_copy(void *to, const void *from, int n,
- void **fault_addr, void **fault_catcher,
+ void **fault_addr, jmp_buf **fault_catcher,
void (*op)(void *to, const void *from,
int n), int *faulted_out)
{
diff --git a/include/asm-um/processor-generic.h b/include/asm-um/processor-generic.h
index d40eae9ec9a..78c0599cc80 100644
--- a/include/asm-um/processor-generic.h
+++ b/include/asm-um/processor-generic.h
@@ -30,10 +30,10 @@ struct thread_struct {
struct pt_regs regs;
int singlestep_syscall;
void *fault_addr;
- void *fault_catcher;
+ jmp_buf *fault_catcher;
struct task_struct *prev_sched;
unsigned long temp_stack;
- void *exec_buf;
+ jmp_buf *exec_buf;
struct arch_thread arch;
jmp_buf switch_buf;
int mm_count;
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-26 06:41:03 +0000