Re: [Qemu-devel] [PATCH 8/8] machine: query mem-merge machine property rather than qemu opts

["Michael S. Tsirkin" <mst@redhat.com>]

On Wed, Feb 04, 2015 at 05:43:55PM +0200, Marcel Apfelbaum wrote:
> Fixes a QEMU crash when passing mem_merge parameter in command line.
> 
> Signed-off-by: Marcel Apfelbaum <marcel@redhat.com>

Can you rebase this one on top of my pci branch pls?

> ---
>  exec.c              | 2 +-
>  hw/core/machine.c   | 6 ++++++
>  include/hw/boards.h | 1 +
>  3 files changed, 8 insertions(+), 1 deletion(-)
> 
> diff --git a/exec.c b/exec.c
> index bfca528..becd122 100644
> --- a/exec.c
> +++ b/exec.c
> @@ -1277,7 +1277,7 @@ void qemu_ram_unset_idstr(ram_addr_t addr)
>  
>  static int memory_try_enable_merging(void *addr, size_t len)
>  {
> -    if (!qemu_opt_get_bool(qemu_get_machine_opts(), "mem-merge", true)) {
> +    if (!machine_mem_merge(current_machine)) {
>          /* disabled by the user */
>          return 0;
>      }
> diff --git a/hw/core/machine.c b/hw/core/machine.c
> index 8033683..e3a3e2a 100644
> --- a/hw/core/machine.c
> +++ b/hw/core/machine.c
> @@ -286,6 +286,7 @@ static void machine_initfn(Object *obj)
>      ms->kernel_irqchip_allowed = true;
>      ms->kvm_shadow_mem = -1;
>      ms->dump_guest_core = true;
> +    ms->mem_merge = true;
>  
>      object_property_add_str(obj, "accel",
>                              machine_get_accel, machine_set_accel, NULL);
> @@ -431,6 +432,11 @@ bool machine_dump_guest_core(MachineState *machine)
>      return machine->dump_guest_core;
>  }
>  
> +bool machine_mem_merge(MachineState *machine)
> +{
> +    return machine->mem_merge;
> +}
> +
>  static const TypeInfo machine_info = {
>      .name = TYPE_MACHINE,
>      .parent = TYPE_OBJECT,
> diff --git a/include/hw/boards.h b/include/hw/boards.h
> index 7de308e..f44d6f5 100644
> --- a/include/hw/boards.h
> +++ b/include/hw/boards.h
> @@ -72,6 +72,7 @@ bool machine_kernel_irqchip_required(MachineState *machine);
>  int machine_kvm_shadow_mem(MachineState *machine);
>  int machine_phandle_start(MachineState *machine);
>  bool machine_dump_guest_core(MachineState *machine);
> +bool machine_mem_merge(MachineState *machine);
>  
>  /**
>   * MachineClass:
> -- 
> 2.1.0