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x86: use user_mode macro
Instead of using SEGMENT_IS_KERNEL_CODE, use the "user_mode" macro, which can play the same role. Delete the former, since it now lacks any user. Signed-off-by: Glauber Costa <gcosta@redhat.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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@ -47,7 +47,7 @@ unsigned long profile_pc(struct pt_regs *regs)
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unsigned long pc = instruction_pointer(regs);
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#ifdef CONFIG_SMP
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if (!v8086_mode(regs) && SEGMENT_IS_KERNEL_CODE(regs->cs) &&
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if (!v8086_mode(regs) && !user_mode(regs) &&
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in_lock_functions(pc)) {
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#ifdef CONFIG_FRAME_POINTER
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return *(unsigned long *)(regs->bp + 4);
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@ -131,9 +131,6 @@
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* Matching rules for certain types of segments.
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*/
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/* Matches only __KERNEL_CS, ignoring PnP / USER / APM segments */
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#define SEGMENT_IS_KERNEL_CODE(x) (((x) & 0xfc) == GDT_ENTRY_KERNEL_CS * 8)
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/* Matches __KERNEL_CS and __USER_CS (they must be 2 entries apart) */
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#define SEGMENT_IS_FLAT_CODE(x) (((x) & 0xec) == GDT_ENTRY_KERNEL_CS * 8)
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