Re: [kvm-ppc-devel] [PATCH] Fix undefined refrence

[Hollis Blanchard <hollisb@us.ibm.com>]

On Wed, 2008-03-19 at 11:06 -0500, Jerone Young wrote:
> # HG changeset patch
> # User Jerone Young <jyoung5@us.ibm.com>
> # Date 1205942671 18000
> # Branch merge
> # Node ID 782ef2276af9ca360e25e07ec5ac0ec387428397
> # Parent  972f62b6acae693c388d7b05d3a9ba7ef26ab4a0
> Fix undefined refrence of qemu_system_device_hot_add for non x86 archs
> 
> This patch fixes it so that functions that depend on
> qemu_system_device_hot_add() are only compiled for x86 archs.
> 
> Signed-off-by: Jerone Young <jyoung5@us.ibm.com>
> 
> diff --git a/qemu/hw/device-hotplug.c b/qemu/hw/device-hotplug.c
> --- a/qemu/hw/device-hotplug.c
> +++ b/qemu/hw/device-hotplug.c
> @@ -140,6 +140,7 @@ static PCIDevice *qemu_system_hot_add_st
>      return opaque;
>  }
> 
> +#if defined(TARGET_I386) || defined(TARGET_X86_64)
>  void device_hot_add(int pcibus, const char *type, const char *opts)
>  {
>      PCIDevice *dev = NULL;
> @@ -171,6 +172,7 @@ void device_hot_remove(int pcibus, int s
> 
>      qemu_system_device_hot_add(pcibus, slot, 0);
>  }
> +#endif
> 
>  static void destroy_nic(int slot)
>  {
> diff --git a/qemu/monitor.c b/qemu/monitor.c
> --- a/qemu/monitor.c
> +++ b/qemu/monitor.c
> @@ -1359,6 +1359,7 @@ static term_cmd_t term_cmds[] = {
>      { "migrate_set_speed", "s", do_migrate_set_speed,
>        "value", "set maximum speed (in bytes) for migrations" },
>      { "cpu_set", "is", do_cpu_set_nr, "cpu [online|offline]", "change cpu state" },
> +#if defined(TARGET_I386) || defined(TARGET_X86_64)
>      { "drive_add", "iss", drive_hot_add, "pcibus pcidevfn [file=file][,if=type][,bus=n]\n"
>                                          "[,unit=m][,media=d][index=i]\n"
>                                          "[,cyls=c,heads=h,secs=s[,trans=t]]\n"
> @@ -1366,6 +1367,7 @@ static term_cmd_t term_cmds[] = {
>                                          "add drive to PCI storage controller" },
>      { "pci_add", "iss", device_hot_add, "bus nic|storage [[vlan=n][,macaddr­dr][,model=type]] [file=file][,if=type][,bus=nr]...", "hot-add PCI device" },
>      { "pci_del", "ii", device_hot_remove, "bus slot-number", "hot remove PCI device" },
> +#endif
>      { NULL, NULL, },
>  };

Why would we build any of this code? This whole file should be disabled
at the Makefile level (with a configure patch to ifdef in monitor.c).

-- 
Hollis Blanchard
IBM Linux Technology Center


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