From: Andre McCurdy <armccurdy@gmail.com>
To: Alejandro Hernandez <alejandro.hernandez@linux.intel.com>
Cc: Yocto discussion list <yocto@yoctoproject.org>
Subject: Re: [PATCH] yocto-bsp: Fix QEMUARM based bsps to not offer SMP support
Date: Tue, 30 May 2017 15:32:50 -0700 [thread overview]
Message-ID: <CAJ86T=V0UGAjZOwC54bu0T=PoycdkTabZJJQvRf3_gn0Thnhsg@mail.gmail.com> (raw)
In-Reply-To: <d3161d0d-4452-20fb-c9fa-8b234dc1caa5@linux.intel.com>
On Tue, May 30, 2017 at 1:12 PM, Alejandro Hernandez
<alejandro.hernandez@linux.intel.com> wrote:
> Hey Leo,
>
> Nope, this change only applies to qemuARM, the other ARM based BSPs are
> based on > ARMv6
>
> Alejandro
>
>
> On 05/30/2017 02:59 PM, Leonardo Sandoval wrote:
>>
>> Alex,
>>
>> is this change only applies to qemu arm? I wonder if the native arm arch
>> needs a similar series.
>>
>> Leo
>>
>> On Tue, 2017-05-30 at 11:44 -0700, Alejandro Hernandez wrote:
>>>
>>> The SMP kernel config presents issues on qemuarm because:
>>>
>>> CONFIG_SMP=y
>>> Dependencies Missing:
>>> - CPU_V6K or CPU_V7:
>>> These are selected by setting:
>>> CONFIG_ARCH_MULTI_V7=y
>>> or
>>> CONFIG_ARCH_MULTI_V6=y
>>>
>>> But our QEMU + ARM BSPs are based on armv4/v5 hence they are
>>> incompatible with CONFIG_SMP.
Maybe time to think (again) about updating OE's qemu ARM builds to ARMv7.
>>> This patch fixes the script, and avoids offering SMP to the user
>>> when the created BSP is based on QEMU + ARM.
>>>
>>
>>
>>> [YOCTO #11426]
>>>
>>> Signed-off-by: Alejandro Hernandez <alejandro.hernandez@linux.intel.com>
>>> ---
>>> .../target/arch/qemu/recipes-kernel/linux/linux-yocto-dev.bbappend
>>> | 1 +
>>> .../target/arch/qemu/recipes-kernel/linux/linux-yocto-tiny_4.1.bbappend
>>> | 1 +
>>>
>>> .../target/arch/qemu/recipes-kernel/linux/linux-yocto-tiny_4.10.bbappend | 1
>>> +
>>> .../target/arch/qemu/recipes-kernel/linux/linux-yocto-tiny_4.4.bbappend
>>> | 1 +
>>> .../target/arch/qemu/recipes-kernel/linux/linux-yocto-tiny_4.8.bbappend
>>> | 1 +
>>> .../target/arch/qemu/recipes-kernel/linux/linux-yocto_4.1.bbappend
>>> | 1 +
>>> .../target/arch/qemu/recipes-kernel/linux/linux-yocto_4.10.bbappend
>>> | 1 +
>>> .../target/arch/qemu/recipes-kernel/linux/linux-yocto_4.4.bbappend
>>> | 1 +
>>> .../target/arch/qemu/recipes-kernel/linux/linux-yocto_4.8.bbappend
>>> | 1 +
>>> 9 files changed, 9 insertions(+)
>>>
>>> diff --git
>>> a/scripts/lib/bsp/substrate/target/arch/qemu/recipes-kernel/linux/linux-yocto-dev.bbappend
>>> b/scripts/lib/bsp/substrate/target/arch/qemu/recipes-kernel/linux/linux-yocto-dev.bbappend
>>> index 7e3ce5ba12d..11105ebcc26 100644
>>> ---
>>> a/scripts/lib/bsp/substrate/target/arch/qemu/recipes-kernel/linux/linux-yocto-dev.bbappend
>>> +++
>>> b/scripts/lib/bsp/substrate/target/arch/qemu/recipes-kernel/linux/linux-yocto-dev.bbappend
>>> @@ -45,6 +45,7 @@ COMPATIBLE_MACHINE_{{=machine}} = "{{=machine}}"
>>> {{ if need_new_kbranch == "n": }}
>>> KBRANCH_{{=machine}} = "{{=existing_kbranch}}"
>>> +{{ if qemuarch != "arm": }}
>>> {{ input type:"boolean" name:"smp" prio:"30" msg:"Would you like SMP
>>> support? (y/n)" default:"y"}}
>>> {{ if smp == "y": }}
>>> KERNEL_FEATURES_append_{{=machine}} += " cfg/smp.scc"
>>> diff --git
>>> a/scripts/lib/bsp/substrate/target/arch/qemu/recipes-kernel/linux/linux-yocto-tiny_4.1.bbappend
>>> b/scripts/lib/bsp/substrate/target/arch/qemu/recipes-kernel/linux/linux-yocto-tiny_4.1.bbappend
>>> index 81392ce38ac..ad77a662682 100644
>>> ---
>>> a/scripts/lib/bsp/substrate/target/arch/qemu/recipes-kernel/linux/linux-yocto-tiny_4.1.bbappend
>>> +++
>>> b/scripts/lib/bsp/substrate/target/arch/qemu/recipes-kernel/linux/linux-yocto-tiny_4.1.bbappend
>>> @@ -45,6 +45,7 @@ COMPATIBLE_MACHINE_{{=machine}} = "{{=machine}}"
>>> {{ if need_new_kbranch == "n": }}
>>> KBRANCH_{{=machine}} = "{{=existing_kbranch}}"
>>> +{{ if qemuarch != "arm": }}
>>> {{ input type:"boolean" name:"smp" prio:"30" msg:"Do you need SMP
>>> support? (y/n)" default:"y"}}
>>> {{ if smp == "y": }}
>>> KERNEL_FEATURES_append_{{=machine}} += " cfg/smp.scc"
>>> diff --git
>>> a/scripts/lib/bsp/substrate/target/arch/qemu/recipes-kernel/linux/linux-yocto-tiny_4.10.bbappend
>>> b/scripts/lib/bsp/substrate/target/arch/qemu/recipes-kernel/linux/linux-yocto-tiny_4.10.bbappend
>>> index 29ad17b2009..9b5f8016841 100644
>>> ---
>>> a/scripts/lib/bsp/substrate/target/arch/qemu/recipes-kernel/linux/linux-yocto-tiny_4.10.bbappend
>>> +++
>>> b/scripts/lib/bsp/substrate/target/arch/qemu/recipes-kernel/linux/linux-yocto-tiny_4.10.bbappend
>>> @@ -45,6 +45,7 @@ COMPATIBLE_MACHINE_{{=machine}} = "{{=machine}}"
>>> {{ if need_new_kbranch == "n": }}
>>> KBRANCH_{{=machine}} = "{{=existing_kbranch}}"
>>> +{{ if qemuarch != "arm": }}
>>> {{ input type:"boolean" name:"smp" prio:"30" msg:"Do you need SMP
>>> support? (y/n)" default:"y"}}
>>> {{ if smp == "y": }}
>>> KERNEL_FEATURES_append_{{=machine}} += " cfg/smp.scc"
>>> diff --git
>>> a/scripts/lib/bsp/substrate/target/arch/qemu/recipes-kernel/linux/linux-yocto-tiny_4.4.bbappend
>>> b/scripts/lib/bsp/substrate/target/arch/qemu/recipes-kernel/linux/linux-yocto-tiny_4.4.bbappend
>>> index a73b1aa132f..2fc992992cf 100644
>>> ---
>>> a/scripts/lib/bsp/substrate/target/arch/qemu/recipes-kernel/linux/linux-yocto-tiny_4.4.bbappend
>>> +++
>>> b/scripts/lib/bsp/substrate/target/arch/qemu/recipes-kernel/linux/linux-yocto-tiny_4.4.bbappend
>>> @@ -45,6 +45,7 @@ COMPATIBLE_MACHINE_{{=machine}} = "{{=machine}}"
>>> {{ if need_new_kbranch == "n": }}
>>> KBRANCH_{{=machine}} = "{{=existing_kbranch}}"
>>> +{{ if qemuarch != "arm": }}
>>> {{ input type:"boolean" name:"smp" prio:"30" msg:"Do you need SMP
>>> support? (y/n)" default:"y"}}
>>> {{ if smp == "y": }}
>>> KERNEL_FEATURES_append_{{=machine}} += " cfg/smp.scc"
>>> diff --git
>>> a/scripts/lib/bsp/substrate/target/arch/qemu/recipes-kernel/linux/linux-yocto-tiny_4.8.bbappend
>>> b/scripts/lib/bsp/substrate/target/arch/qemu/recipes-kernel/linux/linux-yocto-tiny_4.8.bbappend
>>> index 7d40671fd43..868d12af04b 100644
>>> ---
>>> a/scripts/lib/bsp/substrate/target/arch/qemu/recipes-kernel/linux/linux-yocto-tiny_4.8.bbappend
>>> +++
>>> b/scripts/lib/bsp/substrate/target/arch/qemu/recipes-kernel/linux/linux-yocto-tiny_4.8.bbappend
>>> @@ -45,6 +45,7 @@ COMPATIBLE_MACHINE_{{=machine}} = "{{=machine}}"
>>> {{ if need_new_kbranch == "n": }}
>>> KBRANCH_{{=machine}} = "{{=existing_kbranch}}"
>>> +{{ if qemuarch != "arm": }}
>>> {{ input type:"boolean" name:"smp" prio:"30" msg:"Do you need SMP
>>> support? (y/n)" default:"y"}}
>>> {{ if smp == "y": }}
>>> KERNEL_FEATURES_append_{{=machine}} += " cfg/smp.scc"
>>> diff --git
>>> a/scripts/lib/bsp/substrate/target/arch/qemu/recipes-kernel/linux/linux-yocto_4.1.bbappend
>>> b/scripts/lib/bsp/substrate/target/arch/qemu/recipes-kernel/linux/linux-yocto_4.1.bbappend
>>> index a9fd9ecff5a..13450f47438 100644
>>> ---
>>> a/scripts/lib/bsp/substrate/target/arch/qemu/recipes-kernel/linux/linux-yocto_4.1.bbappend
>>> +++
>>> b/scripts/lib/bsp/substrate/target/arch/qemu/recipes-kernel/linux/linux-yocto_4.1.bbappend
>>> @@ -45,6 +45,7 @@ COMPATIBLE_MACHINE_{{=machine}} = "{{=machine}}"
>>> {{ if need_new_kbranch == "n": }}
>>> KBRANCH_{{=machine}} = "{{=existing_kbranch}}"
>>> +{{ if qemuarch != "arm": }}
>>> {{ input type:"boolean" name:"smp" prio:"30" msg:"Would you like SMP
>>> support? (y/n)" default:"y"}}
>>> {{ if smp == "y": }}
>>> KERNEL_FEATURES_append_{{=machine}} += " cfg/smp.scc"
>>> diff --git
>>> a/scripts/lib/bsp/substrate/target/arch/qemu/recipes-kernel/linux/linux-yocto_4.10.bbappend
>>> b/scripts/lib/bsp/substrate/target/arch/qemu/recipes-kernel/linux/linux-yocto_4.10.bbappend
>>> index 5873da4245c..e1af4976fc4 100644
>>> ---
>>> a/scripts/lib/bsp/substrate/target/arch/qemu/recipes-kernel/linux/linux-yocto_4.10.bbappend
>>> +++
>>> b/scripts/lib/bsp/substrate/target/arch/qemu/recipes-kernel/linux/linux-yocto_4.10.bbappend
>>> @@ -45,6 +45,7 @@ COMPATIBLE_MACHINE_{{=machine}} = "{{=machine}}"
>>> {{ if need_new_kbranch == "n": }}
>>> KBRANCH_{{=machine}} = "{{=existing_kbranch}}"
>>> +{{ if qemuarch != "arm": }}
>>> {{ input type:"boolean" name:"smp" prio:"30" msg:"Would you like SMP
>>> support? (y/n)" default:"y"}}
>>> {{ if smp == "y": }}
>>> KERNEL_FEATURES_append_{{=machine}} += " cfg/smp.scc"
>>> diff --git
>>> a/scripts/lib/bsp/substrate/target/arch/qemu/recipes-kernel/linux/linux-yocto_4.4.bbappend
>>> b/scripts/lib/bsp/substrate/target/arch/qemu/recipes-kernel/linux/linux-yocto_4.4.bbappend
>>> index cdee7737983..a2511ba197c 100644
>>> ---
>>> a/scripts/lib/bsp/substrate/target/arch/qemu/recipes-kernel/linux/linux-yocto_4.4.bbappend
>>> +++
>>> b/scripts/lib/bsp/substrate/target/arch/qemu/recipes-kernel/linux/linux-yocto_4.4.bbappend
>>> @@ -45,6 +45,7 @@ COMPATIBLE_MACHINE_{{=machine}} = "{{=machine}}"
>>> {{ if need_new_kbranch == "n": }}
>>> KBRANCH_{{=machine}} = "{{=existing_kbranch}}"
>>> +{{ if qemuarch != "arm": }}
>>> {{ input type:"boolean" name:"smp" prio:"30" msg:"Would you like SMP
>>> support? (y/n)" default:"y"}}
>>> {{ if smp == "y": }}
>>> KERNEL_FEATURES_append_{{=machine}} += " cfg/smp.scc"
>>> diff --git
>>> a/scripts/lib/bsp/substrate/target/arch/qemu/recipes-kernel/linux/linux-yocto_4.8.bbappend
>>> b/scripts/lib/bsp/substrate/target/arch/qemu/recipes-kernel/linux/linux-yocto_4.8.bbappend
>>> index 24c28803ee7..fdf66bb4429 100644
>>> ---
>>> a/scripts/lib/bsp/substrate/target/arch/qemu/recipes-kernel/linux/linux-yocto_4.8.bbappend
>>> +++
>>> b/scripts/lib/bsp/substrate/target/arch/qemu/recipes-kernel/linux/linux-yocto_4.8.bbappend
>>> @@ -45,6 +45,7 @@ COMPATIBLE_MACHINE_{{=machine}} = "{{=machine}}"
>>> {{ if need_new_kbranch == "n": }}
>>> KBRANCH_{{=machine}} = "{{=existing_kbranch}}"
>>> +{{ if qemuarch != "arm": }}
>>> {{ input type:"boolean" name:"smp" prio:"30" msg:"Would you like SMP
>>> support? (y/n)" default:"y"}}
>>> {{ if smp == "y": }}
>>> KERNEL_FEATURES_append_{{=machine}} += " cfg/smp.scc"
>>> --
>>> 2.12.0
>>>
>>
>
> --
> _______________________________________________
> yocto mailing list
> yocto@yoctoproject.org
> https://lists.yoctoproject.org/listinfo/yocto
next prev parent reply other threads:[~2017-05-30 22:32 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-05-30 18:44 [PATCH] yocto-bsp: Fix QEMUARM based bsps to not offer SMP support Alejandro Hernandez
2017-05-30 19:59 ` Leonardo Sandoval
2017-05-30 20:12 ` Alejandro Hernandez
2017-05-30 22:32 ` Andre McCurdy [this message]
2017-05-30 22:52 ` Alejandro Hernandez
2017-05-31 1:11 ` Andre McCurdy
2017-05-31 1:15 ` Bruce Ashfield
2017-05-31 18:20 ` Andre McCurdy
2017-05-31 18:46 ` Khem Raj
2017-06-01 0:41 ` Alejandro Hernandez
2017-06-01 0:57 ` Khem Raj
2017-05-31 19:01 gmane
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