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From: "Philippe Mathieu-Daudé" <philmd@redhat.com>
To: Paolo Bonzini <pbonzini@redhat.com>, qemu-devel@nongnu.org
Cc: berrange@redhat.com, jsnow@redhat.com, ehabkost@redhat.com,
	imammedo@redhat.com
Subject: Re: [PATCH 12/22] vl: move bios_name out of softmmu/vl.c
Date: Thu, 22 Oct 2020 09:22:34 +0200	[thread overview]
Message-ID: <ec9dc887-b36f-de59-b1be-c16250c101b4@redhat.com> (raw)
In-Reply-To: <20201021205716.2359430-13-pbonzini@redhat.com>

On 10/21/20 10:57 PM, Paolo Bonzini wrote:
> bios_name is a legacy variable used by machine code.  Hide it
> from softmmu/vl.c.
> 
> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
> ---
>   hw/core/machine.c | 5 +++++
>   softmmu/vl.c      | 2 --
>   2 files changed, 5 insertions(+), 2 deletions(-)
> 
> diff --git a/hw/core/machine.c b/hw/core/machine.c
> index 3c674bb05e..e4dac350d4 100644
> --- a/hw/core/machine.c
> +++ b/hw/core/machine.c
> @@ -212,6 +212,8 @@ GlobalProperty hw_compat_2_1[] = {
>   };
>   const size_t hw_compat_2_1_len = G_N_ELEMENTS(hw_compat_2_1);
>   
> +const char *bios_name = NULL;

I expect checkpatch.pl to complain "do not zero-initialize global".

> +
>   static char *machine_get_kernel(Object *obj, Error **errp)
>   {
>       MachineState *ms = MACHINE(obj);
> @@ -396,6 +398,9 @@ static void machine_set_firmware(Object *obj, const char *value, Error **errp)
>   
>       g_free(ms->firmware);
>       ms->firmware = g_strdup(value);
> +
> +    /* HACK */

With a slightly better rationale explanation:
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>

> +    bios_name = ms->firmware;
>   }
>   
>   static void machine_set_suppress_vmdesc(Object *obj, bool value, Error **errp)
> diff --git a/softmmu/vl.c b/softmmu/vl.c
> index 52e7d317d7..e32e209a82 100644
> --- a/softmmu/vl.c
> +++ b/softmmu/vl.c
> @@ -123,7 +123,6 @@ static int data_dir_idx;
>   static const char *mem_path;
>   static const char *boot_order;
>   static const char *boot_once;
> -const char *bios_name = NULL;
>   enum vga_retrace_method vga_retrace_method = VGA_RETRACE_DUMB;
>   int display_opengl;
>   const char* keyboard_layout = NULL;
> @@ -4314,7 +4313,6 @@ void qemu_init(int argc, char **argv, char **envp)
>       kernel_filename = qemu_opt_get(machine_opts, "kernel");
>       initrd_filename = qemu_opt_get(machine_opts, "initrd");
>       kernel_cmdline = qemu_opt_get(machine_opts, "append");
> -    bios_name = qemu_opt_get(machine_opts, "firmware");
>   
>       opts = qemu_opts_find(qemu_find_opts("boot-opts"), NULL);
>       if (opts) {
> 



  reply	other threads:[~2020-10-22  7:23 UTC|newest]

Thread overview: 32+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-10-21 20:56 [RFC PATCH 00/22] cleanup qemu_init and make sense of command line processing Paolo Bonzini
2020-10-21 20:56 ` [PATCH 01/22] semihosting: fix order of initialization functions Paolo Bonzini
2020-10-27 11:18   ` Alex Bennée
2020-10-27 13:32     ` Paolo Bonzini
2020-10-21 20:56 ` [PATCH 02/22] machine: remove deprecated -machine enforce-config-section option Paolo Bonzini
2020-10-22  5:09   ` Thomas Huth
2020-10-22  6:54     ` Paolo Bonzini
2020-10-21 20:56 ` [PATCH 03/22] machine: move UP defaults to class_base_init Paolo Bonzini
2020-10-22  5:11   ` Thomas Huth
2020-10-21 20:56 ` [PATCH 04/22] machine: move SMP initialization from vl.c Paolo Bonzini
2020-10-22  7:16   ` Philippe Mathieu-Daudé
2020-10-21 20:56 ` [PATCH 05/22] vl: extract validation of -smp to machine.c Paolo Bonzini
2020-10-21 20:57 ` [PATCH 06/22] vl: remove bogus check Paolo Bonzini
2020-10-21 20:57 ` [PATCH 07/22] trace: remove argument from trace_init_file Paolo Bonzini
2020-10-21 20:57 ` [PATCH 08/22] vl: split various early command line options to a separate function Paolo Bonzini
2020-10-21 20:57 ` [PATCH 09/22] vl: move various initialization routines out of qemu_init Paolo Bonzini
2020-10-21 20:57 ` [PATCH 10/22] vl: extract qemu_init_subsystems Paolo Bonzini
2020-10-21 20:57 ` [PATCH 11/22] vl: move prelaunch part of qemu_init to a new function Paolo Bonzini
2020-10-21 20:57 ` [PATCH 12/22] vl: move bios_name out of softmmu/vl.c Paolo Bonzini
2020-10-22  7:22   ` Philippe Mathieu-Daudé [this message]
2020-10-21 20:57 ` [PATCH 13/22] vl: extract various command line validation snippets to a new function Paolo Bonzini
2020-10-21 20:57 ` [PATCH 14/22] vl: preconfig and loadvm are mutually exclusive Paolo Bonzini
2020-10-21 20:57 ` [PATCH 15/22] vl: extract various command line desugaring snippets to a new function Paolo Bonzini
2020-10-21 20:57 ` [PATCH 16/22] vl: create "-net nic -net user" default earlier Paolo Bonzini
2020-10-21 20:57 ` [PATCH 17/22] vl: load plugins as late as possible Paolo Bonzini
2020-10-22  7:28   ` Philippe Mathieu-Daudé
2020-10-21 20:57 ` [PATCH 18/22] vl: move semihosting command line fallback to qemu_finish_machine_init Paolo Bonzini
2020-10-21 20:57 ` [PATCH 19/22] vl: extract default devices to separate functions Paolo Bonzini
2020-10-21 20:57 ` [PATCH 20/22] vl: move CHECKPOINT_INIT after preconfig Paolo Bonzini
2020-10-22  7:29   ` Philippe Mathieu-Daudé
2020-10-21 20:57 ` [PATCH 21/22] vl: separate qemu_create_early_backends Paolo Bonzini
2020-10-21 20:57 ` [PATCH 22/22] vl: separate qemu_create_late_backends Paolo Bonzini

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