Messages in this thread | | | Date | Fri, 12 Aug 2005 00:31:52 +0800 | From | Coywolf Qi Hunt <> | Subject | Re: Need help in understanding x86 syscall |
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On 8/12/05, Steven Rostedt <rostedt@goodmis.org> wrote: > On Thu, 2005-08-11 at 11:51 -0400, Steven Rostedt wrote: > > > > And booted it. The system is up and running, so I really don't think > > that the sysenter_entry is used for system calls. > > > > Not so "Clear as day"! > > And so, looking into sysenter_entry, it seems that my configurations > don't seem to use it. This jumps straight to system_call without ever > having to turn interrupts on. > > # cat /proc/cpuinfo > processor : 0 > vendor_id : GenuineIntel > cpu family : 6 > model : 8 > model name : Pentium III (Coppermine) > stepping : 3 > cpu MHz : 367.939 > cache size : 256 KB > fdiv_bug : no > hlt_bug : no > f00f_bug : no > coma_bug : no > fpu : yes > fpu_exception : yes > cpuid level : 2 > wp : yes > flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge > mca cmov pat pse36 mmx fxsr sse > bogomips : 722.94 > > > -- Steve >
The cpu does have sep. Is it vanilla kernel?
-- Coywolf Qi Hunt http://ahbl.org/~coywolf/ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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