[yocto] [PATCH] yocto-bsp: Fix QEMUARM based bsps to not offer SMP support

Leonardo Sandoval leonardo.sandoval.gonzalez at linux.intel.com
Tue May 30 12:59:14 PDT 2017


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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