[Xen-devel] Re: fast system calls

[Jeremy Fitzhardinge <jeremy@xxxxxxxx>]

pallavi jk wrote:
> Thanx a lot Jeremy!
>
> In addition to removing the special case for 0x80 in 
> arch/x86/traps.c:do_set_trap_table(), will I also have to define an 
> entry point in xen/arch/x86/x86_32/entry.S as ENTRY(system_call)  ??
No, I shouldn't think so.  Xen doesn't care what purpose the guest is 
using int 0x80 for; without the special case, it should Just Work.
> Could you please tell me other required modifications that I will have 
> to make?
I don't know off the top of my head.  There could be some other 
complication.
   J

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