Re: [PATCH 2/4] x86 paravirt_ops: paravirt_desc.h for native descriptor ops.

Andi Kleen
2006-08-07T08:53:34Z

On Monday 07 August 2006 09:50, Rusty Russell wrote:
> On Mon, 2006-08-07 at 07:40 +0200, Andi Kleen wrote:
> > On Monday 07 August 2006 06:45, Rusty Russell wrote:
> > > Unfortunately, due to include cycles, we can't put these in
> > > paravirt.h: we use a separate header for these.
> > >
> > > The implementation comes from Zach's [RFC, PATCH 10/24] i386 Vmi descriptor changes:
> > >
> > > Descriptor and trap table cleanups. Add cleanly written accessors for
> > > IDT and GDT gates so the subarch may override them. Note that this
> > > allows the hypervisor to transparently tweak the DPL of the descriptors
> > > as well as the RPL of segments in those descriptors, with no unnecessary
> > > kernel code modification. It also allows the hypervisor implementation
> > > of the VMI to tweak the gates, allowing for custom exception frames or
> > > extra layers of indirection above the guest fault / IRQ handlers.
> >
> > Nice cleanup. The old assembly mess was ripe to be killed for a long time.
>
> OK, here's that patch extracted out.

Is there something wrong with your mailer? This one doesn't apply either:

Applying patch patches/paravirt_desc.h-for-native
patching file arch/i386/kernel/traps.c
Hunk #1 FAILED at 1112.
1 out of 1 hunk FAILED -- rejects in file arch/i386/kernel/traps.c
missing header for unified diff at line 78 of patch
can't find file to patch at input line 78
Perhaps you used the wrong -p or --strip option?
The text leading up to this was:
--------------------------
| * thus use the _nonmapped_ version of the IDT, as the
--------------------------
No file to patch. Skipping patch.
1 out of 1 hunk ignored
missing header for unified diff at line 88 of patch
can't find file to patch at input line 88
Perhaps you used the wrong -p or --strip option?
The text leading up to this was:
--------------------------
| /*
--------------------------

-Andi