Re: Need help in understanding x86 syscall

[Steven Rostedt]

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


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/