Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik...

[pandora-kernel.git] / include / asm-i386 / unwind.h

diff --git a/include/asm-i386/unwind.h b/include/asm-i386/unwind.h
index 5031d69..aa2c931 100644 (file)
--- a/include/asm-i386/unwind.h
+++ b/include/asm-i386/unwind.h
@@ -71,6 +71,7 @@ static inline void arch_unw_init_blocked(struct unwind_frame_info *info)
        info->regs.xss = __KERNEL_DS;
        info->regs.xds = __USER_DS;
        info->regs.xes = __USER_DS;
+       info->regs.xgs = __KERNEL_PDA;
 }
 
 extern asmlinkage int arch_unwind_init_running(struct unwind_frame_info *,
@@ -78,17 +79,13 @@ extern asmlinkage int arch_unwind_init_running(struct unwind_frame_info *,
                                                                           void *arg),
                                                void *arg);
 
-static inline int arch_unw_user_mode(const struct unwind_frame_info *info)
+static inline int arch_unw_user_mode(/*const*/ struct unwind_frame_info *info)
 {
-#if 0 /* This can only work when selector register and EFLAGS saves/restores
-         are properly annotated (and tracked in UNW_REGISTER_INFO). */
-       return user_mode_vm(&info->regs);
-#else
-       return info->regs.eip < PAGE_OFFSET
+       return user_mode_vm(&info->regs)
+              || info->regs.eip < PAGE_OFFSET
               || (info->regs.eip >= __fix_to_virt(FIX_VDSO)
-                   && info->regs.eip < __fix_to_virt(FIX_VDSO) + PAGE_SIZE)
+                  && info->regs.eip < __fix_to_virt(FIX_VDSO) + PAGE_SIZE)
               || info->regs.esp < PAGE_OFFSET;
-#endif
 }
 
 #else