Re: Need help in understanding x86 syscall

[Coywolf Qi Hunt <coywolf@gmail.com>]

On 8/12/05, Coywolf Qi Hunt <coywolf@gmail.com> wrote:
> 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?
> 

Also glibc support.

-- 
Coywolf Qi Hunt
http://ahbl.org/~coywolf/