[PATCH] xen: x86: Rename usermode macro
Rename user_mode to user_mode_vm and add a user_mode macro similar to the
x86-64 one.
This is useful for Xen because the linux xen kernel does not runs on the same
priviledge that a vanilla linux kernel, and with this we just need to redefine
user_mode().
Signed-off-by: Vincent Hanquez <vincent.hanquez@cl.cam.ac.uk>
Cc: Ian Pratt <m+Ian.Pratt@cl.cam.ac.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/i386/kernel/apic.c b/arch/i386/kernel/apic.c
index d509836..8d993fa 100644
--- a/arch/i386/kernel/apic.c
+++ b/arch/i386/kernel/apic.c
@@ -1133,7 +1133,7 @@
}
#ifdef CONFIG_SMP
- update_process_times(user_mode(regs));
+ update_process_times(user_mode_vm(regs));
#endif
}
diff --git a/arch/i386/kernel/ptrace.c b/arch/i386/kernel/ptrace.c
index e34f651..0da59b4 100644
--- a/arch/i386/kernel/ptrace.c
+++ b/arch/i386/kernel/ptrace.c
@@ -668,7 +668,7 @@
info.si_code = TRAP_BRKPT;
/* User-mode eip? */
- info.si_addr = user_mode(regs) ? (void __user *) regs->eip : NULL;
+ info.si_addr = user_mode_vm(regs) ? (void __user *) regs->eip : NULL;
/* Send us the fakey SIGTRAP */
force_sig_info(SIGTRAP, &info, tsk);
diff --git a/arch/i386/mach-voyager/voyager_smp.c b/arch/i386/mach-voyager/voyager_smp.c
index a6e0ddd..8c85275 100644
--- a/arch/i386/mach-voyager/voyager_smp.c
+++ b/arch/i386/mach-voyager/voyager_smp.c
@@ -1288,7 +1288,7 @@
per_cpu(prof_counter, cpu);
}
- update_process_times(user_mode(regs));
+ update_process_times(user_mode_vm(regs));
}
if( ((1<<cpu) & voyager_extended_vic_processors) == 0)
diff --git a/arch/i386/oprofile/backtrace.c b/arch/i386/oprofile/backtrace.c
index 52d72e0..65dfd2e 100644
--- a/arch/i386/oprofile/backtrace.c
+++ b/arch/i386/oprofile/backtrace.c
@@ -91,7 +91,7 @@
head = (struct frame_head *)regs->ebp;
#endif
- if (!user_mode(regs)) {
+ if (!user_mode_vm(regs)) {
while (depth-- && valid_kernel_stack(head, regs))
head = dump_backtrace(head);
return;
diff --git a/include/asm-i386/ptrace.h b/include/asm-i386/ptrace.h
index 8618914..eef9f93 100644
--- a/include/asm-i386/ptrace.h
+++ b/include/asm-i386/ptrace.h
@@ -57,7 +57,8 @@
#ifdef __KERNEL__
struct task_struct;
extern void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs, int error_code);
-#define user_mode(regs) ((VM_MASK & (regs)->eflags) || (3 & (regs)->xcs))
+#define user_mode(regs) (3 & (regs)->xcs)
+#define user_mode_vm(regs) ((VM_MASK & (regs)->eflags) || user_mode(regs))
#define instruction_pointer(regs) ((regs)->eip)
#if defined(CONFIG_SMP) && defined(CONFIG_FRAME_POINTER)
extern unsigned long profile_pc(struct pt_regs *regs);
diff --git a/include/asm-x86_64/ptrace.h b/include/asm-x86_64/ptrace.h
index 5bbc8d3..ca6f15f 100644
--- a/include/asm-x86_64/ptrace.h
+++ b/include/asm-x86_64/ptrace.h
@@ -82,6 +82,7 @@
#if defined(__KERNEL__) && !defined(__ASSEMBLY__)
#define user_mode(regs) (!!((regs)->cs & 3))
+#define user_mode_vm(regs) user_mode(regs)
#define instruction_pointer(regs) ((regs)->rip)
extern unsigned long profile_pc(struct pt_regs *regs);
void signal_fault(struct pt_regs *regs, void __user *frame, char *where);