Re: [Qemu-devel] [RFC qom-cpu] dump: Unconditionally compile

[Paolo Bonzini <pbonzini@redhat.com>]

Il 17/05/2013 12:58, Andreas Färber ha scritto:
> qmp_dump_guest_memory() calls dump_init() and returns an Error when
> cpu_get_dump_info() returns an error, as done by the stub.
> So there is no need to have a stub for qmp_dump_guest_memory().
> 
> Enable the documentation of the always-present dump-guest-memory command.
> 
> That way we can drop CONFIG_HAVE_CORE_DUMP.

Nicer. :)

Paolo


> Signed-off-by: Andreas Färber <afaerber@suse.de>
> ---
>  Based on Ekaterina's last patch and my stub cleanup.
>  Next step will then be to clean up memory_mapping-stub.c.
> 
>  Makefile.target | 2 +-
>  configure       | 4 ----
>  hmp-commands.hx | 2 --
>  stubs/dump.c    | 8 --------
>  4 files changed, 1 insertion(+), 15 deletions(-)
> 
> diff --git a/Makefile.target b/Makefile.target
> index 84ec344..5b02200 100644
> --- a/Makefile.target
> +++ b/Makefile.target
> @@ -111,7 +111,7 @@ obj-$(CONFIG_FDT) += device_tree.o
>  obj-$(CONFIG_KVM) += kvm-all.o
>  obj-y += memory.o savevm.o cputlb.o
>  obj-$(CONFIG_HAVE_GET_MEMORY_MAPPING) += memory_mapping.o
> -obj-$(CONFIG_HAVE_CORE_DUMP) += dump.o memory_mapping_common.o
> +obj-y += dump.o memory_mapping_common.o
>  obj-$(CONFIG_NO_GET_MEMORY_MAPPING) += memory_mapping-stub.o
>  LIBS+=$(libs_softmmu)
>  
> diff --git a/configure b/configure
> index 5ae7e4a..8f987e8 100755
> --- a/configure
> +++ b/configure
> @@ -4349,10 +4349,6 @@ if test "$target_bigendian" = "yes" ; then
>  fi
>  if test "$target_softmmu" = "yes" ; then
>    echo "CONFIG_SOFTMMU=y" >> $config_target_mak
> -  case "$target_arch2" in
> -    i386|x86_64)
> -      echo "CONFIG_HAVE_CORE_DUMP=y" >> $config_target_mak
> -  esac
>  fi
>  if test "$target_user_only" = "yes" ; then
>    echo "CONFIG_USER_ONLY=y" >> $config_target_mak
> diff --git a/hmp-commands.hx b/hmp-commands.hx
> index 9cea415..074dbe1 100644
> --- a/hmp-commands.hx
> +++ b/hmp-commands.hx
> @@ -989,7 +989,6 @@ server will ask the spice/vnc client to automatically reconnect using the
>  new parameters (if specified) once the vm migration finished successfully.
>  ETEXI
>  
> -#if defined(CONFIG_HAVE_CORE_DUMP)
>      {
>          .name       = "dump-guest-memory",
>          .args_type  = "paging:-p,filename:F,begin:i?,length:i?",
> @@ -1013,7 +1012,6 @@ gdb.
>      length: the memory size, in bytes. It's optional, and should be specified
>              with begin together.
>  ETEXI
> -#endif
>  
>      {
>          .name       = "snapshot_blkdev",
> diff --git a/stubs/dump.c b/stubs/dump.c
> index b3f42cb..43c9a3f 100644
> --- a/stubs/dump.c
> +++ b/stubs/dump.c
> @@ -16,14 +16,6 @@
>  #include "qapi/qmp/qerror.h"
>  #include "qmp-commands.h"
>  
> -/* we need this function in hmp.c */
> -void qmp_dump_guest_memory(bool paging, const char *file, bool has_begin,
> -                           int64_t begin, bool has_length, int64_t length,
> -                           Error **errp)
> -{
> -    error_set(errp, QERR_UNSUPPORTED);
> -}
> -
>  int cpu_get_dump_info(ArchDumpInfo *info)
>  {
>      return -1;
>