Re: [Qemu-devel] [PATCH] x86: host-phys-bits-limit option

2019-01-07 Thread Eduardo Habkost
On Thu, Dec 13, 2018 at 08:52:31AM +0800, Yu Zhang wrote: > On Wed, Dec 12, 2018 at 12:12:33PM -0200, Eduardo Habkost wrote: > > On Wed, Dec 12, 2018 at 05:08:39PM +0800, Yu Zhang wrote: > > > On Tue, Dec 11, 2018 at 05:25:27PM -0200, Eduardo Habkost wrote: > > > > Some downstream distributions of

Re: [Qemu-devel] [PATCH] x86: host-phys-bits-limit option

2018-12-12 Thread Yu Zhang
On Wed, Dec 12, 2018 at 12:12:33PM -0200, Eduardo Habkost wrote: > On Wed, Dec 12, 2018 at 05:08:39PM +0800, Yu Zhang wrote: > > On Tue, Dec 11, 2018 at 05:25:27PM -0200, Eduardo Habkost wrote: > > > Some downstream distributions of QEMU set host-phys-bits=on by > > > default. This worked very

Re: [Qemu-devel] [PATCH] x86: host-phys-bits-limit option

2018-12-12 Thread Eduardo Habkost
On Wed, Dec 12, 2018 at 12:08:08PM -0200, Wainer dos Santos Moschetta wrote: > > On 12/11/2018 05:25 PM, Eduardo Habkost wrote: > > Some downstream distributions of QEMU set host-phys-bits=on by > > default. This worked very well for most use cases, because > > phys-bits really didn't have huge

Re: [Qemu-devel] [PATCH] x86: host-phys-bits-limit option

2018-12-12 Thread Eduardo Habkost
On Wed, Dec 12, 2018 at 05:08:39PM +0800, Yu Zhang wrote: > On Tue, Dec 11, 2018 at 05:25:27PM -0200, Eduardo Habkost wrote: > > Some downstream distributions of QEMU set host-phys-bits=on by > > default. This worked very well for most use cases, because > > phys-bits really didn't have huge

Re: [Qemu-devel] [PATCH] x86: host-phys-bits-limit option

2018-12-12 Thread Wainer dos Santos Moschetta
On 12/11/2018 05:25 PM, Eduardo Habkost wrote: Some downstream distributions of QEMU set host-phys-bits=on by default. This worked very well for most use cases, because phys-bits really didn't have huge consequences. The only difference was on the CPUID data seen by guests, and on the

Re: [Qemu-devel] [PATCH] x86: host-phys-bits-limit option

2018-12-12 Thread Yu Zhang
On Tue, Dec 11, 2018 at 05:25:27PM -0200, Eduardo Habkost wrote: > Some downstream distributions of QEMU set host-phys-bits=on by > default. This worked very well for most use cases, because > phys-bits really didn't have huge consequences. The only > difference was on the CPUID data seen by

[Qemu-devel] [PATCH] x86: host-phys-bits-limit option

2018-12-11 Thread Eduardo Habkost
Some downstream distributions of QEMU set host-phys-bits=on by default. This worked very well for most use cases, because phys-bits really didn't have huge consequences. The only difference was on the CPUID data seen by guests, and on the handling of reserved bits. This changed in KVM commit