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Re: [Qemu-devel] [PATCH v2 07/12] vl: Create block backends before setti
From: |
Philippe Mathieu-Daudé |
Subject: |
Re: [Qemu-devel] [PATCH v2 07/12] vl: Create block backends before setting machine properties |
Date: |
Thu, 7 Mar 2019 18:46:32 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.5.1 |
On 3/7/19 6:23 PM, Markus Armbruster wrote:
> qemu-system-FOO's main() acts on command line arguments in its own
> idiosyncratic order. There's not much method to its madness.
> Whenever we find a case where one kind of command line argument needs
> to refer to something created for another kind later, we rejigger the
> order.
>
> Block devices get created long after machine properties get processed.
> Therefore, block device machine properties can be created, but not
> set. No such properties exist. But the next commit will create some.
> Time to rejigger again: create block devices earlier.
>
> Signed-off-by: Markus Armbruster <address@hidden>
> ---
> vl.c | 9 +++++++--
> 1 file changed, 7 insertions(+), 2 deletions(-)
>
> diff --git a/vl.c b/vl.c
> index 5a19d2a8ec..c250483fc1 100644
> --- a/vl.c
> +++ b/vl.c
> @@ -4272,6 +4272,13 @@ int main(int argc, char **argv, char **envp)
> exit(0);
> }
>
> + /*
> + * Note: we need to create block backends before
> + * machine_set_property(), so machine properties can refer to
> + * them.
> + */
Thanks!
Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
> + configure_blockdev(&bdo_queue, machine_class, snapshot);
> +
> machine_opts = qemu_get_machine_opts();
> qemu_opt_foreach(machine_opts, machine_set_property, current_machine,
> &error_fatal);
> @@ -4398,8 +4405,6 @@ int main(int argc, char **argv, char **envp)
> ram_mig_init();
> dirty_bitmap_mig_init();
>
> - configure_blockdev(&bdo_queue, machine_class, snapshot);
> -
> qemu_opts_foreach(qemu_find_opts("mon"),
> mon_init_func, NULL, &error_fatal);
>
>
- Re: [Qemu-devel] [PATCH v2 11/12] pc: Support firmware configuration with -blockdev, (continued)
- [Qemu-devel] [PATCH v2 10/12] pc_sysfw: Pass PCMachineState to pc_system_firmware_init(), Markus Armbruster, 2019/03/07
- [Qemu-devel] [PATCH v2 12/12] docs/interop/firmware.json: Prefer -machine to if=pflash, Markus Armbruster, 2019/03/07
- [Qemu-devel] [PATCH v2 05/12] vl: Improve legibility of BlockdevOptions queue, Markus Armbruster, 2019/03/07
- [Qemu-devel] [PATCH v2 08/12] pflash_cfi01: Add pflash_cfi01_get_blk() helper, Markus Armbruster, 2019/03/07
- [Qemu-devel] [PATCH v2 07/12] vl: Create block backends before setting machine properties, Markus Armbruster, 2019/03/07
- Re: [Qemu-devel] [PATCH v2 07/12] vl: Create block backends before setting machine properties,
Philippe Mathieu-Daudé <=
- [Qemu-devel] [PATCH v2 09/12] pc_sysfw: Remove unused PcSysFwDevice, Markus Armbruster, 2019/03/07
- Re: [Qemu-devel] [PATCH v2 00/12] pc: Support firmware configuration with -blockdev, no-reply, 2019/03/07
- Re: [Qemu-devel] [PATCH v2 00/12] pc: Support firmware configuration with -blockdev, no-reply, 2019/03/07
- Re: [Qemu-devel] [PATCH v2 00/12] pc: Support firmware configuration with -blockdev, no-reply, 2019/03/07
- Re: [Qemu-devel] [PATCH v2 00/12] pc: Support firmware configuration with -blockdev, no-reply, 2019/03/08
- Re: [Qemu-devel] [PATCH v2 00/12] pc: Support firmware configuration with -blockdev, no-reply, 2019/03/08
- Re: [Qemu-devel] [PATCH v2 00/12] pc: Support firmware configuration with -blockdev, no-reply, 2019/03/08