[edk2-devel] [PATCH] DynamicTablesPkg: Fix ETE _UID Creation

[edk2-devel] [PATCH] DynamicTablesPkg: Fix ETE _UID Creation

[Ashish Singhal via groups.io]

Just like CPU _UID, ETE UID also needs to be unique so
use AcpiProcessorUid instead of CpuName

Signed-off-by: Ashish Singhal <ashishsingha@nvidia.com>
---
 .../Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c b/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c
index 8228c7845a..724f33c660 100644
--- a/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c
+++ b/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c
@@ -359,6 +359,7 @@ CreateAmlCpcNode (
 
   @param [in]  Generator    The SSDT Cpu Topology generator.
   @param [in]  ParentNode   Parent node to attach the Cpu node to.
+  @param [in]  GicCInfo     CM_ARM_GICC_INFO object used to create the node.
   @param [in]  CpuName      Value used to generate the node name.
   @param [out] EtNodePtr   If not NULL, return the created Cpu node.
 
@@ -372,6 +373,7 @@ EFIAPI
 CreateAmlEtd (
   IN   ACPI_CPU_TOPOLOGY_GENERATOR  *Generator,
   IN   AML_NODE_HANDLE              ParentNode,
+  IN   CM_ARM_GICC_INFO             *GicCInfo,
   IN   UINT32                       CpuName,
   OUT  AML_OBJECT_NODE_HANDLE       *EtNodePtr OPTIONAL
   )
@@ -397,7 +399,7 @@ CreateAmlEtd (
 
   Status = AmlCodeGenNameInteger (
              "_UID",
-             CpuName,
+             GicCInfo->AcpiProcessorUid,
              EtNode,
              NULL
              );
@@ -474,6 +476,7 @@ CreateAmlEtNode (
   Status = CreateAmlEtd (
              Generator,
              Node,
+             GicCInfo,
              CpuName,
              NULL
              );
-- 
2.17.1



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Re: [edk2-devel] [PATCH] DynamicTablesPkg: Fix ETE _UID Creation

[Leif Lindholm]

On Tue, Nov 14, 2023 at 20:19:04 -0700, Ashish Singhal wrote:
> Just like CPU _UID, ETE UID also needs to be unique so
> use AcpiProcessorUid instead of CpuName
> 
> Signed-off-by: Ashish Singhal <ashishsingha@nvidia.com>
> ---
>  .../Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c b/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c
> index 8228c7845a..724f33c660 100644
> --- a/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c
> +++ b/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c
> @@ -359,6 +359,7 @@ CreateAmlCpcNode (
>  
>    @param [in]  Generator    The SSDT Cpu Topology generator.
>    @param [in]  ParentNode   Parent node to attach the Cpu node to.
> +  @param [in]  GicCInfo     CM_ARM_GICC_INFO object used to create the node.
>    @param [in]  CpuName      Value used to generate the node name.

Can that replace both uses of CpuName in the function (so it can be
dropped), or does

  Status = WriteAslName ('E', CpuName, AslName);

have other requirements?

/
    Leif

>    @param [out] EtNodePtr   If not NULL, return the created Cpu node.
>  
> @@ -372,6 +373,7 @@ EFIAPI
>  CreateAmlEtd (
>    IN   ACPI_CPU_TOPOLOGY_GENERATOR  *Generator,
>    IN   AML_NODE_HANDLE              ParentNode,
> +  IN   CM_ARM_GICC_INFO             *GicCInfo,
>    IN   UINT32                       CpuName,
>    OUT  AML_OBJECT_NODE_HANDLE       *EtNodePtr OPTIONAL
>    )
> @@ -397,7 +399,7 @@ CreateAmlEtd (
>  
>    Status = AmlCodeGenNameInteger (
>               "_UID",
> -             CpuName,
> +             GicCInfo->AcpiProcessorUid,
>               EtNode,
>               NULL
>               );
> @@ -474,6 +476,7 @@ CreateAmlEtNode (
>    Status = CreateAmlEtd (
>               Generator,
>               Node,
> +             GicCInfo,
>               CpuName,
>               NULL
>               );
> -- 
> 2.17.1
> 


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Re: [edk2-devel] [PATCH] DynamicTablesPkg: Fix ETE _UID Creation

[Ashish Singhal via groups.io]

[-- Attachment #1: Type: text/plain, Size: 3201 bytes --]



________________________________
From: Leif Lindholm <quic_llindhol@quicinc.com>
Sent: Wednesday, November 15, 2023 9:21 AM
To: Ashish Singhal <ashishsingha@nvidia.com>
Cc: devel@edk2.groups.io <devel@edk2.groups.io>; ardb+tianocore@kernel.org <ardb+tianocore@kernel.org>; sami.mujawar@arm.com <sami.mujawar@arm.com>; Jeff Brasen <jbrasen@nvidia.com>
Subject: Re: [PATCH] DynamicTablesPkg: Fix ETE _UID Creation

External email: Use caution opening links or attachments


On Tue, Nov 14, 2023 at 20:19:04 -0700, Ashish Singhal wrote:
> Just like CPU _UID, ETE UID also needs to be unique so
> use AcpiProcessorUid instead of CpuName
>
> Signed-off-by: Ashish Singhal <ashishsingha@nvidia.com>
> ---
>  .../Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c b/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c
> index 8228c7845a..724f33c660 100644
> --- a/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c
> +++ b/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c
> @@ -359,6 +359,7 @@ CreateAmlCpcNode (
>
>    @param [in]  Generator    The SSDT Cpu Topology generator.
>    @param [in]  ParentNode   Parent node to attach the Cpu node to.
> +  @param [in]  GicCInfo     CM_ARM_GICC_INFO object used to create the node.
>    @param [in]  CpuName      Value used to generate the node name.

Can that replace both uses of CpuName in the function (so it can be
dropped), or does

  Status = WriteAslName ('E', CpuName, AslName);

have other requirements?

/
    Leif

Hello Leif,

CPU Name can be more logical, and you may have the same CPU name in different clusters for example. _UID however needs to be unique.

Thanks
Ashish

>    @param [out] EtNodePtr   If not NULL, return the created Cpu node.
>
> @@ -372,6 +373,7 @@ EFIAPI
>  CreateAmlEtd (
>    IN   ACPI_CPU_TOPOLOGY_GENERATOR  *Generator,
>    IN   AML_NODE_HANDLE              ParentNode,
> +  IN   CM_ARM_GICC_INFO             *GicCInfo,
>    IN   UINT32                       CpuName,
>    OUT  AML_OBJECT_NODE_HANDLE       *EtNodePtr OPTIONAL
>    )
> @@ -397,7 +399,7 @@ CreateAmlEtd (
>
>    Status = AmlCodeGenNameInteger (
>               "_UID",
> -             CpuName,
> +             GicCInfo->AcpiProcessorUid,
>               EtNode,
>               NULL
>               );
> @@ -474,6 +476,7 @@ CreateAmlEtNode (
>    Status = CreateAmlEtd (
>               Generator,
>               Node,
> +             GicCInfo,
>               CpuName,
>               NULL
>               );
> --
> 2.17.1
>


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Re: [edk2-devel] [PATCH] DynamicTablesPkg: Fix ETE _UID Creation

[Leif Lindholm]

On Wed, Nov 15, 2023 at 16:24:46 +0000, Ashish Singhal via groups.io wrote:
> On Tue, Nov 14, 2023 at 20:19:04 -0700, Ashish Singhal wrote:
> > Just like CPU _UID, ETE UID also needs to be unique so
> > use AcpiProcessorUid instead of CpuName
> >
> > Signed-off-by: Ashish Singhal <ashishsingha@nvidia.com>
> > ---
> >  .../Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c | 5 ++++-
> >  1 file changed, 4 insertions(+), 1 deletion(-)
> >
> > diff --git a/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c b/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c
> > index 8228c7845a..724f33c660 100644
> > --- a/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c
> > +++ b/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c
> > @@ -359,6 +359,7 @@ CreateAmlCpcNode (
> >
> >    @param [in]  Generator    The SSDT Cpu Topology generator.
> >    @param [in]  ParentNode   Parent node to attach the Cpu node to.
> > +  @param [in]  GicCInfo     CM_ARM_GICC_INFO object used to create the node.
> >    @param [in]  CpuName      Value used to generate the node name.
> 
> Can that replace both uses of CpuName in the function (so it can be
> dropped), or does
> 
>   Status = WriteAslName ('E', CpuName, AslName);
> 
> have other requirements?
> 
> /
>     Leif
> 
> Hello Leif,
> 
> CPU Name can be more logical, and you may have the same CPU name in
> different clusters for example. _UID however needs to be unique.

Sure, makes sense.
I just dislike functions that take too many arguments, so wanted to
make sure we weren't missing an opportunity to drop one as we were
adding this new one.
Never mind me :)

Thanks,

Leif

> Thanks
> Ashish
> 
> >    @param [out] EtNodePtr   If not NULL, return the created Cpu node.
> >
> > @@ -372,6 +373,7 @@ EFIAPI
> >  CreateAmlEtd (
> >    IN   ACPI_CPU_TOPOLOGY_GENERATOR  *Generator,
> >    IN   AML_NODE_HANDLE              ParentNode,
> > +  IN   CM_ARM_GICC_INFO             *GicCInfo,
> >    IN   UINT32                       CpuName,
> >    OUT  AML_OBJECT_NODE_HANDLE       *EtNodePtr OPTIONAL
> >    )
> > @@ -397,7 +399,7 @@ CreateAmlEtd (
> >
> >    Status = AmlCodeGenNameInteger (
> >               "_UID",
> > -             CpuName,
> > +             GicCInfo->AcpiProcessorUid,
> >               EtNode,
> >               NULL
> >               );
> > @@ -474,6 +476,7 @@ CreateAmlEtNode (
> >    Status = CreateAmlEtd (
> >               Generator,
> >               Node,
> > +             GicCInfo,
> >               CpuName,
> >               NULL
> >               );
> > --
> > 2.17.1
> >
> 
> 
> 
> 
> 


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Re: [edk2-devel] [PATCH] DynamicTablesPkg: Fix ETE _UID Creation

[Ashish Singhal via groups.io]

[-- Attachment #1: Type: text/plain, Size: 3780 bytes --]



________________________________
From: Leif Lindholm <quic_llindhol@quicinc.com>
Sent: Wednesday, November 15, 2023 10:20 AM
To: devel@edk2.groups.io <devel@edk2.groups.io>; Ashish Singhal <ashishsingha@nvidia.com>
Cc: ardb+tianocore@kernel.org <ardb+tianocore@kernel.org>; sami.mujawar@arm.com <sami.mujawar@arm.com>; Jeff Brasen <jbrasen@nvidia.com>
Subject: Re: [edk2-devel] [PATCH] DynamicTablesPkg: Fix ETE _UID Creation

External email: Use caution opening links or attachments


On Wed, Nov 15, 2023 at 16:24:46 +0000, Ashish Singhal via groups.io wrote:
> On Tue, Nov 14, 2023 at 20:19:04 -0700, Ashish Singhal wrote:
> > Just like CPU _UID, ETE UID also needs to be unique so
> > use AcpiProcessorUid instead of CpuName
> >
> > Signed-off-by: Ashish Singhal <ashishsingha@nvidia.com>
> > ---
> >  .../Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c | 5 ++++-
> >  1 file changed, 4 insertions(+), 1 deletion(-)
> >
> > diff --git a/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c b/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c
> > index 8228c7845a..724f33c660 100644
> > --- a/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c
> > +++ b/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c
> > @@ -359,6 +359,7 @@ CreateAmlCpcNode (
> >
> >    @param [in]  Generator    The SSDT Cpu Topology generator.
> >    @param [in]  ParentNode   Parent node to attach the Cpu node to.
> > +  @param [in]  GicCInfo     CM_ARM_GICC_INFO object used to create the node.
> >    @param [in]  CpuName      Value used to generate the node name.
>
> Can that replace both uses of CpuName in the function (so it can be
> dropped), or does
>
>   Status = WriteAslName ('E', CpuName, AslName);
>
> have other requirements?
>
> /
>     Leif
>
> Hello Leif,
>
> CPU Name can be more logical, and you may have the same CPU name in
> different clusters for example. _UID however needs to be unique.

Sure, makes sense.
I just dislike functions that take too many arguments, so wanted to
make sure we weren't missing an opportunity to drop one as we were
adding this new one.
Never mind me :)

Thanks,

Leif

No worries at all. Please let me know if you have any other questions before this patch can be accepted.

Thanks
Ashish

> Thanks
> Ashish
>
> >    @param [out] EtNodePtr   If not NULL, return the created Cpu node.
> >
> > @@ -372,6 +373,7 @@ EFIAPI
> >  CreateAmlEtd (
> >    IN   ACPI_CPU_TOPOLOGY_GENERATOR  *Generator,
> >    IN   AML_NODE_HANDLE              ParentNode,
> > +  IN   CM_ARM_GICC_INFO             *GicCInfo,
> >    IN   UINT32                       CpuName,
> >    OUT  AML_OBJECT_NODE_HANDLE       *EtNodePtr OPTIONAL
> >    )
> > @@ -397,7 +399,7 @@ CreateAmlEtd (
> >
> >    Status = AmlCodeGenNameInteger (
> >               "_UID",
> > -             CpuName,
> > +             GicCInfo->AcpiProcessorUid,
> >               EtNode,
> >               NULL
> >               );
> > @@ -474,6 +476,7 @@ CreateAmlEtNode (
> >    Status = CreateAmlEtd (
> >               Generator,
> >               Node,
> > +             GicCInfo,
> >               CpuName,
> >               NULL
> >               );
> > --
> > 2.17.1
> >
>
>
> 
>
>


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Re: [edk2-devel] [PATCH] DynamicTablesPkg: Fix ETE _UID Creation

[Laszlo Ersek]

On 11/15/23 04:19, Ashish Singhal via groups.io wrote:
> Just like CPU _UID, ETE UID also needs to be unique so
> use AcpiProcessorUid instead of CpuName
> 
> Signed-off-by: Ashish Singhal <ashishsingha@nvidia.com>
> ---
>  .../Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)

Is this a fixup for the recent feature

[PATCH v3 00/11] Update MADT for ACPI 6.5, and add TRBE & ETE support
https://edk2.groups.io/g/devel/message/108996

?

If so, then I *think* this qualifies to be merged during the hard
feature freeze (+Liming +Mike), but:

- I think we should have a "Fixes:" tag in the commit message (for
pointing out the commit that should have contained the code being
added/updated now)

- I think we should have a BZ too (also linked into the commit message).

Laszlo

> 
> diff --git a/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c b/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c
> index 8228c7845a..724f33c660 100644
> --- a/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c
> +++ b/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c
> @@ -359,6 +359,7 @@ CreateAmlCpcNode (
>  
>    @param [in]  Generator    The SSDT Cpu Topology generator.
>    @param [in]  ParentNode   Parent node to attach the Cpu node to.
> +  @param [in]  GicCInfo     CM_ARM_GICC_INFO object used to create the node.
>    @param [in]  CpuName      Value used to generate the node name.
>    @param [out] EtNodePtr   If not NULL, return the created Cpu node.
>  
> @@ -372,6 +373,7 @@ EFIAPI
>  CreateAmlEtd (
>    IN   ACPI_CPU_TOPOLOGY_GENERATOR  *Generator,
>    IN   AML_NODE_HANDLE              ParentNode,
> +  IN   CM_ARM_GICC_INFO             *GicCInfo,
>    IN   UINT32                       CpuName,
>    OUT  AML_OBJECT_NODE_HANDLE       *EtNodePtr OPTIONAL
>    )
> @@ -397,7 +399,7 @@ CreateAmlEtd (
>  
>    Status = AmlCodeGenNameInteger (
>               "_UID",
> -             CpuName,
> +             GicCInfo->AcpiProcessorUid,
>               EtNode,
>               NULL
>               );
> @@ -474,6 +476,7 @@ CreateAmlEtNode (
>    Status = CreateAmlEtd (
>               Generator,
>               Node,
> +             GicCInfo,
>               CpuName,
>               NULL
>               );



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Re: [edk2-devel] [PATCH] DynamicTablesPkg: Fix ETE _UID Creation

[Ashish Singhal via groups.io]

[-- Attachment #1: Type: text/plain, Size: 3847 bytes --]



________________________________
From: Laszlo Ersek <lersek@redhat.com>
Sent: Friday, November 17, 2023 2:20 AM
To: devel@edk2.groups.io <devel@edk2.groups.io>; Ashish Singhal <ashishsingha@nvidia.com>; quic_llindhol@quicinc.com <quic_llindhol@quicinc.com>; ardb+tianocore@kernel.org <ardb+tianocore@kernel.org>; sami.mujawar@arm.com <sami.mujawar@arm.com>; Jeff Brasen <jbrasen@nvidia.com>
Cc: Michael Kinney <michael.d.kinney@intel.com>; Liming Gao (Byosoft address) <gaoliming@byosoft.com.cn>
Subject: Re: [edk2-devel] [PATCH] DynamicTablesPkg: Fix ETE _UID Creation

External email: Use caution opening links or attachments


On 11/15/23 04:19, Ashish Singhal via groups.io wrote:
> Just like CPU _UID, ETE UID also needs to be unique so
> use AcpiProcessorUid instead of CpuName
>
> Signed-off-by: Ashish Singhal <ashishsingha@nvidia.com>
> ---
>  .../Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)

Is this a fixup for the recent feature

[PATCH v3 00/11] Update MADT for ACPI 6.5, and add TRBE & ETE support
https://edk2.groups.io/g/devel/message/108996

?

If so, then I *think* this qualifies to be merged during the hard
feature freeze (+Liming +Mike), but:

- I think we should have a "Fixes:" tag in the commit message (for
pointing out the commit that should have contained the code being
added/updated now)

- I think we should have a BZ too (also linked into the commit message).

Laszlo

Hello Laszlo,

The issue was indeed introduced in the patch series you pointed to and precisely in the commit https://github.com/tianocore/edk2/commit/3ee23713e1ce09faa6fa66ee6799e3e336deb58b. This is indeed a bug and should ideally be fixed as soon as possible. Do you need me to file BZ bug and link that in commit message?

Thanks
Ashish

>
> diff --git a/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c b/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c
> index 8228c7845a..724f33c660 100644
> --- a/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c
> +++ b/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c
> @@ -359,6 +359,7 @@ CreateAmlCpcNode (
>
>    @param [in]  Generator    The SSDT Cpu Topology generator.
>    @param [in]  ParentNode   Parent node to attach the Cpu node to.
> +  @param [in]  GicCInfo     CM_ARM_GICC_INFO object used to create the node.
>    @param [in]  CpuName      Value used to generate the node name.
>    @param [out] EtNodePtr   If not NULL, return the created Cpu node.
>
> @@ -372,6 +373,7 @@ EFIAPI
>  CreateAmlEtd (
>    IN   ACPI_CPU_TOPOLOGY_GENERATOR  *Generator,
>    IN   AML_NODE_HANDLE              ParentNode,
> +  IN   CM_ARM_GICC_INFO             *GicCInfo,
>    IN   UINT32                       CpuName,
>    OUT  AML_OBJECT_NODE_HANDLE       *EtNodePtr OPTIONAL
>    )
> @@ -397,7 +399,7 @@ CreateAmlEtd (
>
>    Status = AmlCodeGenNameInteger (
>               "_UID",
> -             CpuName,
> +             GicCInfo->AcpiProcessorUid,
>               EtNode,
>               NULL
>               );
> @@ -474,6 +476,7 @@ CreateAmlEtNode (
>    Status = CreateAmlEtd (
>               Generator,
>               Node,
> +             GicCInfo,
>               CpuName,
>               NULL
>               );



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Re: [edk2-devel] [PATCH] DynamicTablesPkg: Fix ETE _UID Creation

[Laszlo Ersek]

On 11/17/23 17:37, Ashish Singhal wrote:
> 
> 
> ------------------------------------------------------------------------
> *From:* Laszlo Ersek <lersek@redhat.com>
> *Sent:* Friday, November 17, 2023 2:20 AM
> *To:* devel@edk2.groups.io <devel@edk2.groups.io>; Ashish Singhal
> <ashishsingha@nvidia.com>; quic_llindhol@quicinc.com
> <quic_llindhol@quicinc.com>; ardb+tianocore@kernel.org
> <ardb+tianocore@kernel.org>; sami.mujawar@arm.com
> <sami.mujawar@arm.com>; Jeff Brasen <jbrasen@nvidia.com>
> *Cc:* Michael Kinney <michael.d.kinney@intel.com>; Liming Gao (Byosoft
> address) <gaoliming@byosoft.com.cn>
> *Subject:* Re: [edk2-devel] [PATCH] DynamicTablesPkg: Fix ETE _UID Creation
>  
> External email: Use caution opening links or attachments
> 
> 
> On 11/15/23 04:19, Ashish Singhal via groups.io wrote:
>> Just like CPU _UID, ETE UID also needs to be unique so
>> use AcpiProcessorUid instead of CpuName
>>
>> Signed-off-by: Ashish Singhal <ashishsingha@nvidia.com>
>> ---
>>  .../Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c | 5 ++++-
>>  1 file changed, 4 insertions(+), 1 deletion(-)
> 
> Is this a fixup for the recent feature
> 
> [PATCH v3 00/11] Update MADT for ACPI 6.5, and add TRBE & ETE support
> https://edk2.groups.io/g/devel/message/108996
> <https://edk2.groups.io/g/devel/message/108996>
> 
> ?
> 
> If so, then I *think* this qualifies to be merged during the hard
> feature freeze (+Liming +Mike), but:
> 
> - I think we should have a "Fixes:" tag in the commit message (for
> pointing out the commit that should have contained the code being
> added/updated now)
> 
> - I think we should have a BZ too (also linked into the commit message).
> 
> Laszlo
> 
> Hello Laszlo,
> 
> The issue was indeed introduced in the patch series you pointed to and
> precisely in the commit
> https://github.com/tianocore/edk2/commit/3ee23713e1ce09faa6fa66ee6799e3e336deb58b <https://github.com/tianocore/edk2/commit/3ee23713e1ce09faa6fa66ee6799e3e336deb58b>. This is indeed a bug and should ideally be fixed as soon as possible. Do you need me to file BZ bug and link that in commit message?

A BZ ticket would be great, yes. It helps with the release notes
(determining the contents of a release).

If/when you file the new BZ, please add the old BZ's URL to the See Also
field. ... Oh, wait, the original series didn't have a BZ. That's a pity.

Thanks
Laszlo

> 
> Thanks
> Ashish
> 
>>
>> diff --git a/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c b/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c
>> index 8228c7845a..724f33c660 100644
>> --- a/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c
>> +++ b/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c
>> @@ -359,6 +359,7 @@ CreateAmlCpcNode (
>>
>>    @param [in]  Generator    The SSDT Cpu Topology generator.
>>    @param [in]  ParentNode   Parent node to attach the Cpu node to.
>> +  @param [in]  GicCInfo     CM_ARM_GICC_INFO object used to create the node.
>>    @param [in]  CpuName      Value used to generate the node name.
>>    @param [out] EtNodePtr   If not NULL, return the created Cpu node.
>>
>> @@ -372,6 +373,7 @@ EFIAPI
>>  CreateAmlEtd (
>>    IN   ACPI_CPU_TOPOLOGY_GENERATOR  *Generator,
>>    IN   AML_NODE_HANDLE              ParentNode,
>> +  IN   CM_ARM_GICC_INFO             *GicCInfo,
>>    IN   UINT32                       CpuName,
>>    OUT  AML_OBJECT_NODE_HANDLE       *EtNodePtr OPTIONAL
>>    )
>> @@ -397,7 +399,7 @@ CreateAmlEtd (
>>
>>    Status = AmlCodeGenNameInteger (
>>               "_UID",
>> -             CpuName,
>> +             GicCInfo->AcpiProcessorUid,
>>               EtNode,
>>               NULL
>>               );
>> @@ -474,6 +476,7 @@ CreateAmlEtNode (
>>    Status = CreateAmlEtd (
>>               Generator,
>>               Node,
>> +             GicCInfo,
>>               CpuName,
>>               NULL
>>               );
> 



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Re: [edk2-devel] [PATCH] DynamicTablesPkg: Fix ETE _UID Creation

[Ashish Singhal via groups.io]

[-- Attachment #1: Type: text/plain, Size: 5325 bytes --]

It seems like my BZ account has been disabled and I am not able to create an issue there myself. Can one of you create it so that the bug can be fixed? I am meanwhile working to restore my account.
________________________________
From: Laszlo Ersek <lersek@redhat.com>
Sent: Friday, November 17, 2023 1:30 PM
To: Ashish Singhal <ashishsingha@nvidia.com>; devel@edk2.groups.io <devel@edk2.groups.io>; quic_llindhol@quicinc.com <quic_llindhol@quicinc.com>; ardb+tianocore@kernel.org <ardb+tianocore@kernel.org>; sami.mujawar@arm.com <sami.mujawar@arm.com>; Jeff Brasen <jbrasen@nvidia.com>
Cc: Michael Kinney <michael.d.kinney@intel.com>; Liming Gao (Byosoft address) <gaoliming@byosoft.com.cn>
Subject: Re: [edk2-devel] [PATCH] DynamicTablesPkg: Fix ETE _UID Creation

External email: Use caution opening links or attachments


On 11/17/23 17:37, Ashish Singhal wrote:
>
>
> ------------------------------------------------------------------------
> *From:* Laszlo Ersek <lersek@redhat.com>
> *Sent:* Friday, November 17, 2023 2:20 AM
> *To:* devel@edk2.groups.io <devel@edk2.groups.io>; Ashish Singhal
> <ashishsingha@nvidia.com>; quic_llindhol@quicinc.com
> <quic_llindhol@quicinc.com>; ardb+tianocore@kernel.org
> <ardb+tianocore@kernel.org>; sami.mujawar@arm.com
> <sami.mujawar@arm.com>; Jeff Brasen <jbrasen@nvidia.com>
> *Cc:* Michael Kinney <michael.d.kinney@intel.com>; Liming Gao (Byosoft
> address) <gaoliming@byosoft.com.cn>
> *Subject:* Re: [edk2-devel] [PATCH] DynamicTablesPkg: Fix ETE _UID Creation
>
> External email: Use caution opening links or attachments
>
>
> On 11/15/23 04:19, Ashish Singhal via groups.io wrote:
>> Just like CPU _UID, ETE UID also needs to be unique so
>> use AcpiProcessorUid instead of CpuName
>>
>> Signed-off-by: Ashish Singhal <ashishsingha@nvidia.com>
>> ---
>>  .../Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c | 5 ++++-
>>  1 file changed, 4 insertions(+), 1 deletion(-)
>
> Is this a fixup for the recent feature
>
> [PATCH v3 00/11] Update MADT for ACPI 6.5, and add TRBE & ETE support
> https://edk2.groups.io/g/devel/message/108996
> <https://edk2.groups.io/g/devel/message/108996>
>
> ?
>
> If so, then I *think* this qualifies to be merged during the hard
> feature freeze (+Liming +Mike), but:
>
> - I think we should have a "Fixes:" tag in the commit message (for
> pointing out the commit that should have contained the code being
> added/updated now)
>
> - I think we should have a BZ too (also linked into the commit message).
>
> Laszlo
>
> Hello Laszlo,
>
> The issue was indeed introduced in the patch series you pointed to and
> precisely in the commit
> https://github.com/tianocore/edk2/commit/3ee23713e1ce09faa6fa66ee6799e3e336deb58b <https://github.com/tianocore/edk2/commit/3ee23713e1ce09faa6fa66ee6799e3e336deb58b>. This is indeed a bug and should ideally be fixed as soon as possible. Do you need me to file BZ bug and link that in commit message?

A BZ ticket would be great, yes. It helps with the release notes
(determining the contents of a release).

If/when you file the new BZ, please add the old BZ's URL to the See Also
field. ... Oh, wait, the original series didn't have a BZ. That's a pity.

Thanks
Laszlo

>
> Thanks
> Ashish
>
>>
>> diff --git a/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c b/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c
>> index 8228c7845a..724f33c660 100644
>> --- a/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c
>> +++ b/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c
>> @@ -359,6 +359,7 @@ CreateAmlCpcNode (
>>
>>    @param [in]  Generator    The SSDT Cpu Topology generator.
>>    @param [in]  ParentNode   Parent node to attach the Cpu node to.
>> +  @param [in]  GicCInfo     CM_ARM_GICC_INFO object used to create the node.
>>    @param [in]  CpuName      Value used to generate the node name.
>>    @param [out] EtNodePtr   If not NULL, return the created Cpu node.
>>
>> @@ -372,6 +373,7 @@ EFIAPI
>>  CreateAmlEtd (
>>    IN   ACPI_CPU_TOPOLOGY_GENERATOR  *Generator,
>>    IN   AML_NODE_HANDLE              ParentNode,
>> +  IN   CM_ARM_GICC_INFO             *GicCInfo,
>>    IN   UINT32                       CpuName,
>>    OUT  AML_OBJECT_NODE_HANDLE       *EtNodePtr OPTIONAL
>>    )
>> @@ -397,7 +399,7 @@ CreateAmlEtd (
>>
>>    Status = AmlCodeGenNameInteger (
>>               "_UID",
>> -             CpuName,
>> +             GicCInfo->AcpiProcessorUid,
>>               EtNode,
>>               NULL
>>               );
>> @@ -474,6 +476,7 @@ CreateAmlEtNode (
>>    Status = CreateAmlEtd (
>>               Generator,
>>               Node,
>> +             GicCInfo,
>>               CpuName,
>>               NULL
>>               );
>



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Re: [edk2-devel] [PATCH] DynamicTablesPkg: Fix ETE _UID Creation

[Sami Mujawar]

Hi Ashish,

Thank you for this fix.

These changes look good to me.

Reviewed-by: Sami Mujawar <sami.mujawar@arm.com>

Regards,

Sami Mujawar

On 15/11/2023 03:19 am, Ashish Singhal wrote:
> Just like CPU _UID, ETE UID also needs to be unique so
> use AcpiProcessorUid instead of CpuName
>
> Signed-off-by: Ashish Singhal <ashishsingha@nvidia.com>
> ---
>   .../Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c | 5 ++++-
>   1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c b/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c
> index 8228c7845a..724f33c660 100644
> --- a/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c
> +++ b/DynamicTablesPkg/Library/Acpi/Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c
> @@ -359,6 +359,7 @@ CreateAmlCpcNode (
>
>     @param [in]  Generator    The SSDT Cpu Topology generator.
>     @param [in]  ParentNode   Parent node to attach the Cpu node to.
> +  @param [in]  GicCInfo     CM_ARM_GICC_INFO object used to create the node.
>     @param [in]  CpuName      Value used to generate the node name.
>     @param [out] EtNodePtr   If not NULL, return the created Cpu node.
>
> @@ -372,6 +373,7 @@ EFIAPI
>   CreateAmlEtd (
>     IN   ACPI_CPU_TOPOLOGY_GENERATOR  *Generator,
>     IN   AML_NODE_HANDLE              ParentNode,
> +  IN   CM_ARM_GICC_INFO             *GicCInfo,
>     IN   UINT32                       CpuName,
>     OUT  AML_OBJECT_NODE_HANDLE       *EtNodePtr OPTIONAL
>     )
> @@ -397,7 +399,7 @@ CreateAmlEtd (
>
>     Status = AmlCodeGenNameInteger (
>                "_UID",
> -             CpuName,
> +             GicCInfo->AcpiProcessorUid,
>                EtNode,
>                NULL
>                );
> @@ -474,6 +476,7 @@ CreateAmlEtNode (
>     Status = CreateAmlEtd (
>                Generator,
>                Node,
> +             GicCInfo,
>                CpuName,
>                NULL
>                );
IMPORTANT NOTICE: The contents of this email and any attachments are confidential and may also be privileged. If you are not the intended recipient, please notify the sender immediately and do not disclose the contents to any other person, use it for any purpose, or store or copy the information in any medium. Thank you.


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Re: [edk2-devel] [PATCH] DynamicTablesPkg: Fix ETE _UID Creation

[Sami Mujawar]

[-- Attachment #1: Type: text/plain, Size: 507 bytes --]

Hi Ashish,

I have created a bugzilla ticket for this at https://bugzilla.tianocore.org/show_bug.cgi?id=4600.

Regards,

Sami Mujawar


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edk2-stable202311: Re: [edk2-devel] [PATCH] DynamicTablesPkg: Fix ETE _UID Creation

[Sami Mujawar]

Hi Laszlo, Liming, Mike,

Please see my response inline marked [SAMI].

Regards,

Sami Mujawar

On 17/11/2023 09:20 am, Laszlo Ersek wrote:
> On 11/15/23 04:19, Ashish Singhal via groups.io wrote:
>> Just like CPU _UID, ETE UID also needs to be unique so
>> use AcpiProcessorUid instead of CpuName
>>
>> Signed-off-by: Ashish Singhal <ashishsingha@nvidia.com>
>> ---
>>   .../Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c | 5 ++++-
>>   1 file changed, 4 insertions(+), 1 deletion(-)
> Is this a fixup for the recent feature
>
> [PATCH v3 00/11] Update MADT for ACPI 6.5, and add TRBE & ETE support
> https://edk2.groups.io/g/devel/message/108996
>
> ?
>
> If so, then I *think* this qualifies to be merged during the hard
> feature freeze (+Liming +Mike), but:

[SAMI] I raised a bugzilla for this issue at 
https://bugzilla.tianocore.org/show_bug.cgi?id=4600

and have also created a pull request at 
https://github.com/tianocore/edk2/pull/5061.

This patch has also passed the CI checks when I did a draft pull request.

I am not sure if I can apply the push label as we are in the code freeze 
stage.

Can you advise on how to proceed, please?

[/SAMI]

> - I think we should have a "Fixes:" tag in the commit message (for
> pointing out the commit that should have contained the code being
> added/updated now)
>
> - I think we should have a BZ too (also linked into the commit message).
>
> Laszlo
>


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回复: edk2-stable202311: Re: [edk2-devel] [PATCH] DynamicTablesPkg: Fix ETE _UID Creation

[gaoliming via groups.io]

Sami:
 I am OK to merge this patch for this stable bug. I will add push label for https://github.com/tianocore/edk2/pull/5061 

Thanks
Liming
> -----邮件原件-----
> 发件人: Sami Mujawar <sami.mujawar@arm.com>
> 发送时间: 2023年11月21日 0:07
> 收件人: Laszlo Ersek <lersek@redhat.com>; Liming Gao (Byosoft address)
> <gaoliming@byosoft.com.cn>; Michael Kinney <michael.d.kinney@intel.com>;
> devel@edk2.groups.io; ashishsingha@nvidia.com; quic_llindhol@quicinc.com;
> ardb+tianocore@kernel.org; jbrasen@nvidia.com
> 抄送: nd@arm.com
> 主题: edk2-stable202311: Re: [edk2-devel] [PATCH] DynamicTablesPkg: Fix
> ETE _UID Creation
> 
> Hi Laszlo, Liming, Mike,
> 
> Please see my response inline marked [SAMI].
> 
> Regards,
> 
> Sami Mujawar
> 
> On 17/11/2023 09:20 am, Laszlo Ersek wrote:
> > On 11/15/23 04:19, Ashish Singhal via groups.io wrote:
> >> Just like CPU _UID, ETE UID also needs to be unique so
> >> use AcpiProcessorUid instead of CpuName
> >>
> >> Signed-off-by: Ashish Singhal <ashishsingha@nvidia.com>
> >> ---
> >>   .../Arm/AcpiSsdtCpuTopologyLibArm/SsdtCpuTopologyGenerator.c | 5
> ++++-
> >>   1 file changed, 4 insertions(+), 1 deletion(-)
> > Is this a fixup for the recent feature
> >
> > [PATCH v3 00/11] Update MADT for ACPI 6.5, and add TRBE & ETE support
> > https://edk2.groups.io/g/devel/message/108996
> >
> > ?
> >
> > If so, then I *think* this qualifies to be merged during the hard
> > feature freeze (+Liming +Mike), but:
> 
> [SAMI] I raised a bugzilla for this issue at
> https://bugzilla.tianocore.org/show_bug.cgi?id=4600
> 
> and have also created a pull request at
> https://github.com/tianocore/edk2/pull/5061.
> 
> This patch has also passed the CI checks when I did a draft pull request.
> 
> I am not sure if I can apply the push label as we are in the code freeze
> stage.
> 
> Can you advise on how to proceed, please?
> 
> [/SAMI]
> 
> > - I think we should have a "Fixes:" tag in the commit message (for
> > pointing out the commit that should have contained the code being
> > added/updated now)
> >
> > - I think we should have a BZ too (also linked into the commit message).
> >
> > Laszlo
> >




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