Re: [Qemu-devel] guest kernel in the host RAM

2015-12-18 Thread Paolo Bonzini
On 18/12/2015 17:28, Denis V. Lunev wrote: >> Linux patches itself a lot, which >> makes the memory savings minimal (if they exist at all). What is the >> decompression time for a kernel that is compressed with LZO? > > It seems that you are perfectly correct here! > > With large pages enabled

Re: [Qemu-devel] guest kernel in the host RAM

2015-12-18 Thread Denis V. Lunev
On 12/15/2015 02:59 PM, Paolo Bonzini wrote: On 15/12/2015 12:27, Denis V. Lunev wrote: The idea is that we could boot with the uncompressed Linux kernel in the guest which serves 2 purposes: - faster boot time as per Intel opinion - memory savings Uncompressed kernel image could be the same f

Re: [Qemu-devel] guest kernel in the host RAM

2015-12-16 Thread Miao Yan
2015-12-15 19:27 GMT+08:00 Denis V. Lunev : > Hello, Paolo! > > There is a plan or idea to improve current implementation > of Clear Containers for QEMU. Patches about NVDIMM > are floating in the list, you have proposed special > boot firmware for a case. > > The idea is that we could boot with th

Re: [Qemu-devel] guest kernel in the host RAM

2015-12-15 Thread Stefan Hajnoczi
On Tue, Dec 15, 2015 at 02:27:14PM +0300, Denis V. Lunev wrote: > There is a plan or idea to improve current implementation > of Clear Containers for QEMU. Patches about NVDIMM > are floating in the list, you have proposed special > boot firmware for a case. By the way, Marc Mari is working on add

Re: [Qemu-devel] guest kernel in the host RAM

2015-12-15 Thread Paolo Bonzini
On 15/12/2015 12:27, Denis V. Lunev wrote: > The idea is that we could boot with the uncompressed Linux > kernel in the guest which serves 2 purposes: > - faster boot time as per Intel opinion > - memory savings > > Uncompressed kernel image could be the same for several > guests and thus memory

[Qemu-devel] guest kernel in the host RAM

2015-12-15 Thread Denis V. Lunev
Hello, Paolo! There is a plan or idea to improve current implementation of Clear Containers for QEMU. Patches about NVDIMM are floating in the list, you have proposed special boot firmware for a case. The idea is that we could boot with the uncompressed Linux kernel in the guest which serves 2 p