Re: [PATCH 3/6] lguest suppress IDE probing

2007-06-07 Thread Matt Mackall
On Thu, Jun 07, 2007 at 12:13:07PM +1000, Rusty Russell wrote: > On Wed, 2007-06-06 at 11:23 +0100, Alan Cox wrote: > > > > Better yet just don't compile in the old IDE stuff, lguest doesn't have > > > > a > > > > PCI or ISA bus anyway. > > > > > > Sure, but the "run the same kernel as guest and

Re: [PATCH 3/6] lguest suppress IDE probing

2007-06-07 Thread Matt Mackall
On Thu, Jun 07, 2007 at 12:13:07PM +1000, Rusty Russell wrote: On Wed, 2007-06-06 at 11:23 +0100, Alan Cox wrote: Better yet just don't compile in the old IDE stuff, lguest doesn't have a PCI or ISA bus anyway. Sure, but the run the same kernel as guest and host is a really

Re: [PATCH 3/6] lguest suppress IDE probing

2007-06-06 Thread Rusty Russell
On Wed, 2007-06-06 at 11:23 +0100, Alan Cox wrote: > > > Better yet just don't compile in the old IDE stuff, lguest doesn't have a > > > PCI or ISA bus anyway. > > > > Sure, but the "run the same kernel as guest and host" is a really nice > > feature. > > Modules dear boy, modules ;) For some

Re: [PATCH 3/6] lguest suppress IDE probing

2007-06-06 Thread Alan Cox
> Actually, Jeremy suggested claiming the entire IO space. That works for > Xen domU too, and makes some amount of sense. Agreed > > Better yet just don't compile in the old IDE stuff, lguest doesn't have a > > PCI or ISA bus anyway. > > Sure, but the "run the same kernel as guest and host" is

Re: [PATCH 3/6] lguest suppress IDE probing

2007-06-06 Thread Alan Cox
Actually, Jeremy suggested claiming the entire IO space. That works for Xen domU too, and makes some amount of sense. Agreed Better yet just don't compile in the old IDE stuff, lguest doesn't have a PCI or ISA bus anyway. Sure, but the run the same kernel as guest and host is a really

Re: [PATCH 3/6] lguest suppress IDE probing

2007-06-06 Thread Rusty Russell
On Wed, 2007-06-06 at 11:23 +0100, Alan Cox wrote: Better yet just don't compile in the old IDE stuff, lguest doesn't have a PCI or ISA bus anyway. Sure, but the run the same kernel as guest and host is a really nice feature. Modules dear boy, modules ;) For some reason, pulling

Re: [PATCH 3/6] lguest suppress IDE probing

2007-06-05 Thread Rusty Russell
On Tue, 2007-06-05 at 17:07 +0100, Alan Cox wrote: > On Wed, 06 Jun 2007 00:58:03 +1000 > Rusty Russell <[EMAIL PROTECTED]> wrote: > > > The IDE probe is the slowest part of boot: by suppressing it we cut > > boot from from 3 seconds to half a second. > > NAK NAK NAK NAK NAK Hi Alan! > >

Re: [PATCH 3/6] lguest suppress IDE probing

2007-06-05 Thread James Morris
On Tue, 5 Jun 2007, Alan Cox wrote: > Better yet just don't compile in the old IDE stuff, lguest doesn't have a > PCI or ISA bus anyway. The guest & host kernels are intended to be identical, so we could expect pretty much anything to be compiled in to the guest. The other two suggestions

Re: [PATCH 3/6] lguest suppress IDE probing

2007-06-05 Thread Jeff Garzik
On Tue, Jun 05, 2007 at 05:07:47PM +0100, Alan Cox wrote: > Add an lguest check to go with the pci check and for the lguest case just > say "no controllers" > > Better yet just don't compile in the old IDE stuff, lguest doesn't have a > PCI or ISA bus anyway. > > Alternatively make the IDE I/O

Re: [PATCH 3/6] lguest suppress IDE probing

2007-06-05 Thread Alan Cox
On Wed, 06 Jun 2007 00:58:03 +1000 Rusty Russell <[EMAIL PROTECTED]> wrote: > The IDE probe is the slowest part of boot: by suppressing it we cut > boot from from 3 seconds to half a second. NAK NAK NAK NAK NAK > AFAICT, the commandline is the easiest way to suppress the probing. Gaa ... Rusty

Re: [PATCH 3/6] lguest suppress IDE probing

2007-06-05 Thread Matt Mackall
On Wed, Jun 06, 2007 at 12:58:03AM +1000, Rusty Russell wrote: > The IDE probe is the slowest part of boot: by suppressing it we cut > boot from from 3 seconds to half a second. > > AFAICT, the commandline is the easiest way to suppress the probing. Switching to libata accomplishes the same and

[PATCH 3/6] lguest suppress IDE probing

2007-06-05 Thread Rusty Russell
The IDE probe is the slowest part of boot: by suppressing it we cut boot from from 3 seconds to half a second. AFAICT, the commandline is the easiest way to suppress the probing. Signed-off-by: Rusty Russell <[EMAIL PROTECTED]> --- drivers/lguest/lguest.c |6 ++ 1 file changed, 6

[PATCH 3/6] lguest suppress IDE probing

2007-06-05 Thread Rusty Russell
The IDE probe is the slowest part of boot: by suppressing it we cut boot from from 3 seconds to half a second. AFAICT, the commandline is the easiest way to suppress the probing. Signed-off-by: Rusty Russell [EMAIL PROTECTED] --- drivers/lguest/lguest.c |6 ++ 1 file changed, 6

Re: [PATCH 3/6] lguest suppress IDE probing

2007-06-05 Thread Matt Mackall
On Wed, Jun 06, 2007 at 12:58:03AM +1000, Rusty Russell wrote: The IDE probe is the slowest part of boot: by suppressing it we cut boot from from 3 seconds to half a second. AFAICT, the commandline is the easiest way to suppress the probing. Switching to libata accomplishes the same and

Re: [PATCH 3/6] lguest suppress IDE probing

2007-06-05 Thread Alan Cox
On Wed, 06 Jun 2007 00:58:03 +1000 Rusty Russell [EMAIL PROTECTED] wrote: The IDE probe is the slowest part of boot: by suppressing it we cut boot from from 3 seconds to half a second. NAK NAK NAK NAK NAK AFAICT, the commandline is the easiest way to suppress the probing. Gaa ... Rusty

Re: [PATCH 3/6] lguest suppress IDE probing

2007-06-05 Thread Jeff Garzik
On Tue, Jun 05, 2007 at 05:07:47PM +0100, Alan Cox wrote: Add an lguest check to go with the pci check and for the lguest case just say no controllers Better yet just don't compile in the old IDE stuff, lguest doesn't have a PCI or ISA bus anyway. Alternatively make the IDE I/O space

Re: [PATCH 3/6] lguest suppress IDE probing

2007-06-05 Thread James Morris
On Tue, 5 Jun 2007, Alan Cox wrote: Better yet just don't compile in the old IDE stuff, lguest doesn't have a PCI or ISA bus anyway. The guest host kernels are intended to be identical, so we could expect pretty much anything to be compiled in to the guest. The other two suggestions sound

Re: [PATCH 3/6] lguest suppress IDE probing

2007-06-05 Thread Rusty Russell
On Tue, 2007-06-05 at 17:07 +0100, Alan Cox wrote: On Wed, 06 Jun 2007 00:58:03 +1000 Rusty Russell [EMAIL PROTECTED] wrote: The IDE probe is the slowest part of boot: by suppressing it we cut boot from from 3 seconds to half a second. NAK NAK NAK NAK NAK Hi Alan! AFAICT, the