Re: [Qemu-devel] QEMU virt board: extending various limits

2018-01-17 Thread Igor Mammedov
On Wed, 17 Jan 2018 17:53:48 +0100 Andrew Jones wrote: > On Wed, Jan 17, 2018 at 04:18:30PM +, Peter Maydell wrote: > > On 17 January 2018 at 16:15, Igor Mammedov wrote: > > > my idea was to drop fixed RAM base for virt board (at least for > > > new machine types) so that QEMU could specif

Re: [Qemu-devel] QEMU virt board: extending various limits

2018-01-17 Thread Andrew Jones
On Wed, Jan 17, 2018 at 04:18:30PM +, Peter Maydell wrote: > On 17 January 2018 at 16:15, Igor Mammedov wrote: > > my idea was to drop fixed RAM base for virt board (at least for > > new machine types) so that QEMU could specify it dynamically and > > firmware would get base from x0 instead of

Re: [Qemu-devel] QEMU virt board: extending various limits

2018-01-17 Thread Peter Maydell
On 17 January 2018 at 16:15, Igor Mammedov wrote: > my idea was to drop fixed RAM base for virt board (at least for > new machine types) so that QEMU could specify it dynamically and > firmware would get base from x0 instead of compiled in constant. "base of ram is fixed" is about the one thing w

Re: [Qemu-devel] QEMU virt board: extending various limits

2018-01-17 Thread Igor Mammedov
On Tue, 16 Jan 2018 20:28:49 + Ard Biesheuvel wrote: > On 16 January 2018 at 20:18, Laszlo Ersek wrote: > > (adding Ard, Igor, Wei, Leif) > > > > On 01/16/18 16:07, Peter Maydell wrote: > >> We've had discussions before about the various limits in the virt > >> board imposed by its current

Re: [Qemu-devel] QEMU virt board: extending various limits

2018-01-16 Thread Ard Biesheuvel
On 16 January 2018 at 20:18, Laszlo Ersek wrote: > (adding Ard, Igor, Wei, Leif) > > On 01/16/18 16:07, Peter Maydell wrote: >> We've had discussions before about the various limits in the virt >> board imposed by its current address space layout: >> * number of CPUs limited to 123 (not enough sp

Re: [Qemu-devel] QEMU virt board: extending various limits

2018-01-16 Thread Laszlo Ersek
(adding Ard, Igor, Wei, Leif) On 01/16/18 16:07, Peter Maydell wrote: > We've had discussions before about the various limits in the virt > board imposed by its current address space layout: > * number of CPUs limited to 123 (not enough space for more redistributors) > * number of PCIe devices l

[Qemu-devel] QEMU virt board: extending various limits

2018-01-16 Thread Peter Maydell
We've had discussions before about the various limits in the virt board imposed by its current address space layout: * number of CPUs limited to 123 (not enough space for more redistributors) * number of PCIe devices limited by size of ECAM space * max memory size limits * (anything else?) If