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From: "Edgar E. Iglesias" <edgar.iglesias@gmail.com>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: qemu-devel@nongnu.org, patches@linaro.org,
	"Alex Bennée" <alex.bennee@linaro.org>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"Andreas Färber" <afaerber@suse.de>,
	qemu-arm@nongnu.org
Subject: Re: [PATCH 14/16] hw/arm/virt: Wire up memory region to CPUs explicitly
Date: Fri, 6 Nov 2015 15:45:59 +0100	[thread overview]
Message-ID: <20151106144559.GQ13308@toto> (raw)
In-Reply-To: <1446747358-18214-15-git-send-email-peter.maydell@linaro.org>

On Thu, Nov 05, 2015 at 06:15:56PM +0000, Peter Maydell wrote:
> Wire up the system memory region to the CPUs explicitly
> by setting the QOM property. This doesn't change anything
> over letting it default, but will be needed for adding
> a secure memory region later.
> 
> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

I'm not sure I understand this, if not set, wouldn't "memory"
just default to sysmem anyway regardless of if we set
"secure-memory" or not? I'm probably missing something
in the init/setup sequence...

Anyway, I don't mind explicitely setting "memory":
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>


> ---
>  hw/arm/virt.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/hw/arm/virt.c b/hw/arm/virt.c
> index 77d9267..3ab31e0 100644
> --- a/hw/arm/virt.c
> +++ b/hw/arm/virt.c
> @@ -1020,6 +1020,9 @@ static void machvirt_init(MachineState *machine)
>                                      "reset-cbar", &error_abort);
>          }
>  
> +        object_property_set_link(cpuobj, OBJECT(sysmem), "memory",
> +                                 &error_abort);
> +
>          object_property_set_bool(cpuobj, true, "realized", NULL);
>      }
>      g_strfreev(cpustr);
> -- 
> 1.9.1
> 

WARNING: multiple messages have this Message-ID (diff)
From: "Edgar E. Iglesias" <edgar.iglesias@gmail.com>
To: Peter Maydell <peter.maydell@linaro.org>
Cc: patches@linaro.org, qemu-devel@nongnu.org, qemu-arm@nongnu.org,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"Alex Bennée" <alex.bennee@linaro.org>,
	"Andreas Färber" <afaerber@suse.de>
Subject: Re: [Qemu-devel] [PATCH 14/16] hw/arm/virt: Wire up memory region to CPUs explicitly
Date: Fri, 6 Nov 2015 15:45:59 +0100	[thread overview]
Message-ID: <20151106144559.GQ13308@toto> (raw)
In-Reply-To: <1446747358-18214-15-git-send-email-peter.maydell@linaro.org>

On Thu, Nov 05, 2015 at 06:15:56PM +0000, Peter Maydell wrote:
> Wire up the system memory region to the CPUs explicitly
> by setting the QOM property. This doesn't change anything
> over letting it default, but will be needed for adding
> a secure memory region later.
> 
> Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

I'm not sure I understand this, if not set, wouldn't "memory"
just default to sysmem anyway regardless of if we set
"secure-memory" or not? I'm probably missing something
in the init/setup sequence...

Anyway, I don't mind explicitely setting "memory":
Reviewed-by: Edgar E. Iglesias <edgar.iglesias@xilinx.com>


> ---
>  hw/arm/virt.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/hw/arm/virt.c b/hw/arm/virt.c
> index 77d9267..3ab31e0 100644
> --- a/hw/arm/virt.c
> +++ b/hw/arm/virt.c
> @@ -1020,6 +1020,9 @@ static void machvirt_init(MachineState *machine)
>                                      "reset-cbar", &error_abort);
>          }
>  
> +        object_property_set_link(cpuobj, OBJECT(sysmem), "memory",
> +                                 &error_abort);
> +
>          object_property_set_bool(cpuobj, true, "realized", NULL);
>      }
>      g_strfreev(cpustr);
> -- 
> 1.9.1
> 

  reply	other threads:[~2015-11-06 14:46 UTC|newest]

Thread overview: 116+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-11-05 18:15 [PATCH 00/16] Add support for multiple address spaces per CPU and use it for ARM TrustZone Peter Maydell
2015-11-05 18:15 ` [Qemu-devel] " Peter Maydell
2015-11-05 18:15 ` [PATCH 01/16] exec.c: Don't set cpu->as until cpu_address_space_init Peter Maydell
2015-11-05 18:15   ` [Qemu-devel] " Peter Maydell
2015-11-06 13:04   ` Edgar E. Iglesias
2015-11-06 13:04     ` [Qemu-devel] " Edgar E. Iglesias
2015-11-05 18:15 ` [PATCH 02/16] exec.c: Allow target CPUs to define multiple AddressSpaces Peter Maydell
2015-11-05 18:15   ` [Qemu-devel] " Peter Maydell
2015-11-06 13:21   ` Edgar E. Iglesias
2015-11-06 13:21     ` [Qemu-devel] " Edgar E. Iglesias
2015-11-06 13:34     ` Peter Maydell
2015-11-06 13:34       ` [Qemu-devel] " Peter Maydell
2015-11-06 13:49       ` Edgar E. Iglesias
2015-11-06 13:49         ` [Qemu-devel] " Edgar E. Iglesias
2015-11-09 10:32       ` Paolo Bonzini
2015-11-09 10:32         ` [Qemu-devel] " Paolo Bonzini
2015-11-09 10:30   ` Paolo Bonzini
2015-11-09 10:30     ` [Qemu-devel] " Paolo Bonzini
2015-11-05 18:15 ` [PATCH 03/16] tlb_set_page_with_attrs: Take argument specifying AddressSpace to use Peter Maydell
2015-11-05 18:15   ` [Qemu-devel] " Peter Maydell
2015-11-06 13:27   ` Edgar E. Iglesias
2015-11-06 13:27     ` [Qemu-devel] " Edgar E. Iglesias
2015-11-06 13:41     ` Peter Maydell
2015-11-06 13:41       ` [Qemu-devel] " Peter Maydell
2015-11-06 13:49       ` Edgar E. Iglesias
2015-11-06 13:49         ` [Qemu-devel] " Edgar E. Iglesias
2015-11-06 13:52         ` Edgar E. Iglesias
2015-11-06 13:52           ` [Qemu-devel] " Edgar E. Iglesias
2015-11-09 10:44   ` Paolo Bonzini
2015-11-09 10:44     ` [Qemu-devel] " Paolo Bonzini
2015-11-09 10:49     ` Peter Maydell
2015-11-09 10:49       ` [Qemu-devel] " Peter Maydell
2015-11-10 16:13       ` Peter Maydell
2015-11-10 16:13         ` [Qemu-devel] " Peter Maydell
2015-11-05 18:15 ` [PATCH 04/16] exec.c: Add address space index to CPUIOTLBEntry Peter Maydell
2015-11-05 18:15   ` [Qemu-devel] " Peter Maydell
2015-11-06 13:34   ` Edgar E. Iglesias
2015-11-06 13:34     ` [Qemu-devel] " Edgar E. Iglesias
2015-11-06 13:45     ` Peter Maydell
2015-11-06 13:45       ` [Qemu-devel] " Peter Maydell
2015-11-06 14:13       ` Edgar E. Iglesias
2015-11-06 14:13         ` [Qemu-devel] " Edgar E. Iglesias
2015-11-05 18:15 ` [PATCH 05/16] exec.c: Add cpu_get_address_space() Peter Maydell
2015-11-05 18:15   ` [Qemu-devel] " Peter Maydell
2015-11-05 18:15 ` [PATCH 06/16] include/qom/cpu.h: Add new get_phys_page_asidx_debug method Peter Maydell
2015-11-05 18:15   ` [Qemu-devel] " Peter Maydell
2015-11-06 13:37   ` Edgar E. Iglesias
2015-11-06 13:37     ` [Qemu-devel] " Edgar E. Iglesias
2015-11-05 18:15 ` [PATCH 07/16] exec.c: Use cpu_get_phys_page_asidx_debug Peter Maydell
2015-11-05 18:15   ` [Qemu-devel] " Peter Maydell
2015-11-06 13:38   ` Edgar E. Iglesias
2015-11-06 13:38     ` [Qemu-devel] " Edgar E. Iglesias
2015-11-05 18:15 ` [PATCH 08/16] exec.c: Have one io_mem_watch per AddressSpace Peter Maydell
2015-11-05 18:15   ` [Qemu-devel] " Peter Maydell
2015-11-06 13:45   ` Edgar E. Iglesias
2015-11-06 13:45     ` [Qemu-devel] " Edgar E. Iglesias
2015-11-09 10:49   ` Paolo Bonzini
2015-11-09 10:49     ` [Qemu-devel] " Paolo Bonzini
2015-11-09 10:54     ` Peter Maydell
2015-11-09 10:54       ` [Qemu-devel] " Peter Maydell
2015-11-09 11:00       ` Paolo Bonzini
2015-11-09 11:00         ` [Qemu-devel] " Paolo Bonzini
2015-11-05 18:15 ` [PATCH 09/16] target-arm: Support multiple address spaces in page table walks Peter Maydell
2015-11-05 18:15   ` [Qemu-devel] " Peter Maydell
2015-11-06 14:22   ` Edgar E. Iglesias
2015-11-06 14:22     ` [Qemu-devel] " Edgar E. Iglesias
2015-11-09 10:51   ` Paolo Bonzini
2015-11-09 10:51     ` [Qemu-devel] " Paolo Bonzini
2015-11-09 10:58     ` Peter Maydell
2015-11-09 10:58       ` [Qemu-devel] " Peter Maydell
2015-11-09 11:03       ` Paolo Bonzini
2015-11-09 11:03         ` [Qemu-devel] " Paolo Bonzini
2015-11-09 11:09         ` Peter Maydell
2015-11-09 11:09           ` [Qemu-devel] " Peter Maydell
2015-11-09 11:19           ` Paolo Bonzini
2015-11-09 11:19             ` [Qemu-devel] " Paolo Bonzini
2015-11-09 11:22             ` Peter Maydell
2015-11-09 11:22               ` [Qemu-devel] " Peter Maydell
2015-11-13 18:51       ` Peter Maydell
2015-11-13 18:51         ` [Qemu-devel] " Peter Maydell
2015-11-05 18:15 ` [PATCH 10/16] target-arm: Implement cpu_get_phys_page_asidx_debug Peter Maydell
2015-11-05 18:15   ` [Qemu-devel] " Peter Maydell
2015-11-06 14:23   ` Edgar E. Iglesias
2015-11-06 14:23     ` [Qemu-devel] " Edgar E. Iglesias
2015-11-05 18:15 ` [PATCH 11/16] memory: Add address_space_init_shareable() Peter Maydell
2015-11-05 18:15   ` [Qemu-devel] " Peter Maydell
2015-11-06 14:29   ` Edgar E. Iglesias
2015-11-06 14:29     ` [Qemu-devel] " Edgar E. Iglesias
2015-11-06 14:49     ` Peter Maydell
2015-11-06 14:49       ` [Qemu-devel] " Peter Maydell
2015-11-09 10:55   ` Paolo Bonzini
2015-11-09 10:55     ` [Qemu-devel] " Paolo Bonzini
2015-11-09 10:59     ` Peter Maydell
2015-11-09 10:59       ` [Qemu-devel] " Peter Maydell
2015-11-09 11:02       ` Paolo Bonzini
2015-11-09 11:02         ` [Qemu-devel] " Paolo Bonzini
2015-11-05 18:15 ` [PATCH 12/16] qom/cpu: Add MemoryRegion property Peter Maydell
2015-11-05 18:15   ` [Qemu-devel] " Peter Maydell
2015-11-06 14:31   ` Edgar E. Iglesias
2015-11-06 14:31     ` [Qemu-devel] " Edgar E. Iglesias
2015-11-09 10:56   ` Paolo Bonzini
2015-11-09 10:56     ` [Qemu-devel] " Paolo Bonzini
2015-11-05 18:15 ` [PATCH 13/16] target-arm: Add QOM property for Secure memory region Peter Maydell
2015-11-05 18:15   ` [Qemu-devel] " Peter Maydell
2015-11-06 14:33   ` Edgar E. Iglesias
2015-11-06 14:33     ` [Qemu-devel] " Edgar E. Iglesias
2015-11-05 18:15 ` [PATCH 14/16] hw/arm/virt: Wire up memory region to CPUs explicitly Peter Maydell
2015-11-05 18:15   ` [Qemu-devel] " Peter Maydell
2015-11-06 14:45   ` Edgar E. Iglesias [this message]
2015-11-06 14:45     ` Edgar E. Iglesias
2015-11-06 14:51     ` Peter Maydell
2015-11-06 14:51       ` [Qemu-devel] " Peter Maydell
2015-11-05 18:15 ` [PATCH 15/16] [RFC] hw/arm/virt: add secure memory region and UART Peter Maydell
2015-11-05 18:15   ` [Qemu-devel] " Peter Maydell
2015-11-05 18:15 ` [PATCH 16/16] HACK: rearrange the virt memory map to suit OP-TEE Peter Maydell
2015-11-05 18:15   ` [Qemu-devel] " Peter Maydell

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