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Diffstat (limited to 'arch/x86/um/syscalls_64.c')
-rw-r--r--arch/x86/um/syscalls_64.c20
1 files changed, 11 insertions, 9 deletions
diff --git a/arch/x86/um/syscalls_64.c b/arch/x86/um/syscalls_64.c
index 10d907098c26..58f51667e2e4 100644
--- a/arch/x86/um/syscalls_64.c
+++ b/arch/x86/um/syscalls_64.c
@@ -7,13 +7,15 @@
#include <linux/sched.h>
#include <linux/sched/mm.h>
+#include <linux/syscalls.h>
#include <linux/uaccess.h>
#include <asm/prctl.h> /* XXX This should get the constants from libc */
#include <os.h>
-long arch_prctl(struct task_struct *task, int code, unsigned long __user *addr)
+long arch_prctl(struct task_struct *task, int option,
+ unsigned long __user *arg2)
{
- unsigned long *ptr = addr, tmp;
+ unsigned long *ptr = arg2, tmp;
long ret;
int pid = task->mm->context.id.u.pid;
@@ -30,7 +32,7 @@ long arch_prctl(struct task_struct *task, int code, unsigned long __user *addr)
* arch_prctl is run on the host, then the registers are read
* back.
*/
- switch (code) {
+ switch (option) {
case ARCH_SET_FS:
case ARCH_SET_GS:
ret = restore_registers(pid, &current->thread.regs.regs);
@@ -50,11 +52,11 @@ long arch_prctl(struct task_struct *task, int code, unsigned long __user *addr)
ptr = &tmp;
}
- ret = os_arch_prctl(pid, code, ptr);
+ ret = os_arch_prctl(pid, option, ptr);
if (ret)
return ret;
- switch (code) {
+ switch (option) {
case ARCH_SET_FS:
current->thread.arch.fs = (unsigned long) ptr;
ret = save_registers(pid, &current->thread.regs.regs);
@@ -63,19 +65,19 @@ long arch_prctl(struct task_struct *task, int code, unsigned long __user *addr)
ret = save_registers(pid, &current->thread.regs.regs);
break;
case ARCH_GET_FS:
- ret = put_user(tmp, addr);
+ ret = put_user(tmp, arg2);
break;
case ARCH_GET_GS:
- ret = put_user(tmp, addr);
+ ret = put_user(tmp, arg2);
break;
}
return ret;
}
-long sys_arch_prctl(int code, unsigned long addr)
+SYSCALL_DEFINE2(arch_prctl, int, option, unsigned long, arg2)
{
- return arch_prctl(current, code, (unsigned long __user *) addr);
+ return arch_prctl(current, option, (unsigned long __user *) arg2);
}
void arch_switch_to(struct task_struct *to)