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From: Jan Kiszka <jan.kiszka@siemens.com>
To: Igor Mammedov <imammedo@redhat.com>
Cc: "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
	"gleb@redhat.com" <gleb@redhat.com>
Subject: Re: [Qemu-devel] [PATCH 4/7] cleanup: remove redundant pc_cpu_reset
Date: Thu, 16 Feb 2012 12:32:32 +0100	[thread overview]
Message-ID: <4F3CE950.7050700@siemens.com> (raw)
In-Reply-To: <1329347774-23262-5-git-send-email-imammedo@redhat.com>

On 2012-02-16 00:16, Igor Mammedov wrote:
> All cpus except of boot cpu should be halted after reset.
> So remove redundant pc_cpu_reset and use cpu_reset instead.
> 
> Signed-off-by: Igor Mammedov <imammedo@redhat.com>
> ---
>  hw/pc.c              |   11 ++---------
>  target-i386/helper.c |    1 +
>  2 files changed, 3 insertions(+), 9 deletions(-)
> 
> diff --git a/hw/pc.c b/hw/pc.c
> index d9c397a..3d35d78 100644
> --- a/hw/pc.c
> +++ b/hw/pc.c
> @@ -928,14 +928,6 @@ typedef struct CPUPC {
>      CPUState state;
>  } CPUPC;
>  
> -static void pc_cpu_reset(void *opaque)
> -{
> -    CPUState *env = opaque;
> -
> -    cpu_reset(env);
> -    env->halted = !cpu_is_bsp(env);
> -}
> -
>  static int cpu_device_init(ICCBusDevice *dev)
>  {
>      CPUPC* cpu = DO_UPCAST(CPUPC, busdev, dev);
> @@ -955,7 +947,8 @@ static int cpu_device_init(ICCBusDevice *dev)
>  static void cpu_device_reset(DeviceState *dev) {
>      CPUPC *cpu = DO_UPCAST(CPUPC, busdev.qdev, dev);
>      CPUState *env = &cpu->state;
> -    pc_cpu_reset(env);
> +
> +    cpu_reset(env);
>  }
>  
>  static ICCBusDeviceInfo cpu_device_info = {
> diff --git a/target-i386/helper.c b/target-i386/helper.c
> index df2f5ba..cd61d36 100644
> --- a/target-i386/helper.c
> +++ b/target-i386/helper.c
> @@ -105,6 +105,7 @@ void cpu_reset(CPUX86State *env)
>      env->dr[7] = DR7_FIXED_1;
>      cpu_breakpoint_remove_all(env, BP_CPU);
>      cpu_watchpoint_remove_all(env, BP_CPU);
> +    env->halted = !cpu_is_bsp(env);
>  }
>  
>  void cpu_x86_close(CPUX86State *env)

See http://thread.gmane.org/gmane.comp.emulators.qemu/100806 for an
earlier attempt to clean this up. I forgot about following up on this,
but you should try to adopt the suggestions to avoid repeating that
discussion.

Jan

-- 
Siemens AG, Corporate Technology, CT T DE IT 1
Corporate Competence Center Embedded Linux

  reply	other threads:[~2012-02-16 11:32 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-02-15 23:16 [Qemu-devel] [PATCH 0/7] Add CPU hot-plug to qemu (pc only). v2 Igor Mammedov
2012-02-15 23:16 ` [Qemu-devel] [PATCH 1/7] Introduce a new bus "ICC" to connect APIC Igor Mammedov
2012-02-16 11:25   ` Jan Kiszka
2012-02-16 12:42     ` Anthony Liguori
2012-02-16 12:50       ` Jan Kiszka
2012-02-16 12:59         ` Anthony Liguori
2012-02-16 13:06           ` Jan Kiszka
2012-02-17 17:02       ` Igor Mammedov
2012-02-24 13:05         ` Igor Mammedov
2012-02-24 13:30           ` Andreas Färber
2012-02-24 13:40             ` Paolo Bonzini
2012-02-24 13:47               ` Anthony Liguori
2012-02-24 13:50                 ` Paolo Bonzini
2012-02-24 14:44                   ` Anthony Liguori
2012-02-15 23:16 ` [Qemu-devel] [PATCH 2/7] Convert pc cpu to qdev Igor Mammedov
2012-02-16 11:27   ` Jan Kiszka
2012-02-16 12:01   ` Jan Kiszka
2012-02-16 12:51     ` Anthony Liguori
2012-02-16 12:54       ` Jan Kiszka
2012-02-16 16:09         ` Anthony Liguori
2012-03-13  9:32       ` Lai Jiangshan
2012-03-13 11:04         ` Andreas Färber
2012-03-14  7:59           ` Lai Jiangshan
2012-03-14  8:37             ` Igor Mammedov
2012-03-14 13:49               ` Vasilis Liaskovitis
2012-03-14 15:23                 ` Gleb Natapov
2012-03-14 15:32                   ` Anthony Liguori
2012-03-14 15:35                     ` Gleb Natapov
2012-03-14 15:42                       ` Anthony Liguori
2012-03-14 15:54                         ` Gleb Natapov
2012-03-14 15:57                           ` Anthony Liguori
2012-03-14 16:27                             ` Gleb Natapov
2012-03-14 19:55                   ` Vasilis Liaskovitis
2012-03-15 12:07                     ` Gleb Natapov
2012-02-16 12:45   ` Anthony Liguori
2012-02-16 16:09   ` Andreas Färber
2012-02-17 17:16     ` Igor Mammedov
2012-02-17 18:07       ` Andreas Färber
2012-02-15 23:16 ` [Qemu-devel] [PATCH 3/7] cleanup: get rid of pc_new_cpu Igor Mammedov
2012-02-15 23:16 ` [Qemu-devel] [PATCH 4/7] cleanup: remove redundant pc_cpu_reset Igor Mammedov
2012-02-16 11:32   ` Jan Kiszka [this message]
2012-02-15 23:16 ` [Qemu-devel] [PATCH 5/7] Set default 'model' property if it wasn't specified yet Igor Mammedov
2012-02-16 11:36   ` Jan Kiszka
2012-02-15 23:16 ` [Qemu-devel] [PATCH 6/7] Prepare ACPI infrastructure for cpu hot-plug in acpi_piix4 Igor Mammedov
2012-02-16 11:41   ` Jan Kiszka
2012-02-15 23:16 ` [Qemu-devel] [PATCH 7/7] Implement cpu hot-add using device_add monitor command Igor Mammedov
2012-02-15 23:35   ` Anthony Liguori
2012-02-16  9:33     ` Igor Mammedov
2012-02-16 15:52       ` Andreas Färber
2012-02-16 10:16     ` Jan Kiszka

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