Re: [Qemu-devel] [PATCH v5 0/5] KVM flash memory support

[Paolo Bonzini <pbonzini@redhat.com>]

Il 09/05/2013 00:44, Jordan Justen ha scritto:
> git://github.com/jljusten/qemu.git kvm-flash-v5
> 
> Utilize KVM_CAP_READONLY_MEM to support PC system flash emulation
> with KVM.
> 
> v5:
>  * Remove patch to pflash_cfi01 which enabled readonly mode
>  * Adjust kvm code to use KVM READONLY support for ranges that
>    either have the readonly flag set, or for devices with
>    readable set.
> 
> v4:
>  * With a machine type of isapc, don't mark the BIOS as read-only.
>    isapc + seabios will not boot if the BIOS is read-only. This
>    matches the current behavior of isapc with KVM, which is the
>    only mode under which isapc currently works.
> 
> v3:
>  * Squash patch 2 & 3 based on Xiao's feedback that what I
>    was calling a 'workaround' in patch 3 was actually what
>    is required by the KVM READONLY memory support.
> 
> v2:
>  * Remove rom_only from PC_COMPAT_1_4
>  * Only enable flash when a pflash drive is created.
> 
> Jordan Justen (5):
>   isapc: Fix non-KVM qemu boot (read/write memory for isapc BIOS)
>   kvm: add kvm_readonly_mem_enabled
>   kvm: support using KVM_MEM_READONLY flag for regions
>   pc_sysfw: allow flash (-pflash) memory to be used with KVM
>   pc_sysfw: change rom_only default to 0
> 
>  hw/block/pc_sysfw.c  |   64 ++++++++++++++++++++++++++++++++------------------
>  hw/i386/pc_piix.c    |    5 ++++
>  include/hw/i386/pc.h |    4 ----
>  include/sysemu/kvm.h |   10 ++++++++
>  kvm-all.c            |   44 +++++++++++++++++++++++++++-------
>  kvm-stub.c           |    1 +
>  6 files changed, 92 insertions(+), 36 deletions(-)
> 

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>