[yocto] [PATCH] yocto-bsp: Fix QEMUARM based bsps to not offer SMP support
Alejandro Hernandez
alejandro.hernandez at linux.intel.com
Tue May 30 13:12:01 PDT 2017
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.
>>
>> 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 at 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
>>
>
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