Re: [edk2] [PATCH 0/2] Fixe out-of-sync issue between GCD and CPU driver

[Wang, Jian J]

Thanks for catching it. Patch is on the way.

-Original Message-
From: Anthony PERARD [mailto:anthony.per...@citrix.com] 
Sent: Thursday, September 21, 2017 11:05 PM
To: Wang, Jian J <jian.j.w...@intel.com>
Cc: Yao, Jiewen <jiewen@intel.com>; edk2-devel@lists.01.org; Kinney, 
Michael D <michael.d.kin...@intel.com>; Laszlo Ersek <ler...@redhat.com>; Dong, 
Eric <eric.d...@intel.com>; Zeng, Star <star.z...@intel.com>
Subject: Re: [edk2] [PATCH 0/2] Fixe out-of-sync issue between GCD and CPU 
driver

On Wed, Sep 20, 2017 at 07:53:36AM +, Wang, Jian J wrote:
> Jiewen,
> 
> Yes. The patch has passed the validation of the UEFI booting Windows 10, 
> Windows 7 and Fedora 25.
> 
> If no comments from you and others, I'll push the patch to upstream soon.
> 

Hi,

I think this patch series does not build, while building OVMF we have
those errors:

GNUmakefile:527: recipe for target 
'/home/osstest/build.113661.build-amd64/xen/tools/firmware/ovmf-dir-remote/Build/OvmfX64/DEBUG_GCC49/X64/UefiCpuPkg/CpuDxe/CpuDxe/OUTPUT/Cp
uPageTable.obj' failed
make[8]: Leaving directory 
'/home/osstest/build.113661.build-amd64/xen/tools/firmware/ovmf-dir-remote/Build/OvmfX64/DEBUG_GCC49/X64/UefiCpuPkg/CpuDxe/CpuDxe'
/home/osstest/build.113661.build-amd64/xen/tools/firmware/ovmf-dir-remote/UefiCpuPkg/CpuDxe/CpuPageTable.c:
 In function 'RefreshGcdMemoryAttributesFromPaging':
/home/osstest/build.113661.build-amd64/xen/tools/firmware/ovmf-dir-remote/UefiCpuPkg/CpuDxe/CpuPageTable.c:852:10:
 error: 'DoUpdate' may be used uninitialized in this functio
n [-Werror=maybe-uninitialized]
   if (DoUpdate) {
  ^
/home/osstest/build.113661.build-amd64/xen/tools/firmware/ovmf-dir-remote/UefiCpuPkg/CpuDxe/CpuPageTable.c:853:9:
 error: 'Capabilities' may be used uninitialized in this func
tion [-Werror=maybe-uninitialized]
 gDS->SetMemorySpaceCapabilities (BaseAddress, Length, Capabilities);
 ^
/home/osstest/build.113661.build-amd64/xen/tools/firmware/ovmf-dir-remote/UefiCpuPkg/CpuDxe/CpuPageTable.c:855:90:
 error: 'Attributes' may be used uninitialized in this funct
ion [-Werror=maybe-uninitialized]
 DEBUG ((DEBUG_INFO, "Update memory space attribute: [%02d] %016lx - 
%016lx (%08lx -> %08lx)\r\n",

  ^
cc1: all warnings being treated as errors



Full log can be found at:
http://logs.test-lab.xenproject.org/osstest/logs/113661/build-amd64/6.ts-xen-build.log

Regards,

-- 
Anthony PERARD
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Re: [edk2] [PATCH 0/2] Fixe out-of-sync issue between GCD and CPU driver

[Yao, Jiewen]

Thanks. I have no other comments.

From: Wang, Jian J
Sent: Wednesday, September 20, 2017 3:54 PM
To: Yao, Jiewen <jiewen@intel.com>; edk2-devel@lists.01.org
Cc: Kinney, Michael D <michael.d.kin...@intel.com>; Laszlo Ersek 
<ler...@redhat.com>; Dong, Eric <eric.d...@intel.com>; Zeng, Star 
<star.z...@intel.com>
Subject: RE: [edk2] [PATCH 0/2] Fixe out-of-sync issue between GCD and CPU 
driver

Jiewen,

Yes. The patch has passed the validation of the UEFI booting Windows 10, 
Windows 7 and Fedora 25.

If no comments from you and others, I'll push the patch to upstream soon.

Thanks,
Jian Wang

-Original Message-
From: Yao, Jiewen
Sent: Wednesday, September 20, 2017 2:08 PM
To: Wang, Jian J <jian.j.w...@intel.com<mailto:jian.j.w...@intel.com>>; 
edk2-devel@lists.01.org<mailto:edk2-devel@lists.01.org>
Cc: Kinney, Michael D 
<michael.d.kin...@intel.com<mailto:michael.d.kin...@intel.com>>; Laszlo Ersek 
<ler...@redhat.com<mailto:ler...@redhat.com>>; Dong, Eric 
<eric.d...@intel.com<mailto:eric.d...@intel.com>>; Zeng, Star 
<star.z...@intel.com<mailto:star.z...@intel.com>>
Subject: RE: [edk2] [PATCH 0/2] Fixe out-of-sync issue between GCD and CPU 
driver

Hi
I take a look at the driver. I think the update is good.

Would you please share what test you have done with the updated UEFI memory map?
Such as UEFI Windows boot, UEFI Linux boot?

Thank you
Yao Jiewen


> -Original Message-
> From: Wang, Jian J
> Sent: Wednesday, September 20, 2017 1:12 PM
> To: Wang, Jian J <jian.j.w...@intel.com<mailto:jian.j.w...@intel.com>>; 
> edk2-devel@lists.01.org<mailto:edk2-devel@lists.01.org>
> Cc: Kinney, Michael D 
> <michael.d.kin...@intel.com<mailto:michael.d.kin...@intel.com>>; Laszlo Ersek
> <ler...@redhat.com<mailto:ler...@redhat.com>>; Yao, Jiewen 
> <jiewen@intel.com<mailto:jiewen....@intel.com>>; Dong, Eric
> <eric.d...@intel.com<mailto:eric.d...@intel.com>>; Zeng, Star 
> <star.z...@intel.com<mailto:star.z...@intel.com>>
> Subject: RE: [edk2] [PATCH 0/2] Fixe out-of-sync issue between GCD and CPU
> driver
>
> Jiewen,
>
> Any comments on this patch?
>
>
> -Original Message-
> From: edk2-devel [mailto:edk2-devel-boun...@lists.01.org] On Behalf Of Jian J
> Wang
> Sent: Tuesday, September 19, 2017 2:10 PM
> To: edk2-devel@lists.01.org<mailto:edk2-devel@lists.01.org>
> Cc: Kinney, Michael D 
> <michael.d.kin...@intel.com<mailto:michael.d.kin...@intel.com>>; Laszlo Ersek
> <ler...@redhat.com<mailto:ler...@redhat.com>>; Yao, Jiewen 
> <jiewen@intel.com<mailto:jiewen@intel.com>>; Dong, Eric
> <eric.d...@intel.com<mailto:eric.d...@intel.com>>; Zeng, Star 
> <star.z...@intel.com<mailto:star.z...@intel.com>>
> Subject: [edk2] [PATCH 0/2] Fixe out-of-sync issue between GCD and CPU driver
>
> There're two issues here actually.
>
> From GCD perspective, its SetMemorySpaceAttributes() method doesn't
> accept page related attributes. That means users cannot use it to
> change page attributes, and have to turn to CPU arch protocol to do it,
> which is not be allowed by PI spec.
>
> From CpuDxe driver perspective, it doesn't update GCD memory attributes
> from current page table setup during its initialization. So the memory
> attributes in GCD might not reflect all memory attributes in real world.
>
> Cc: Jiewen Yao <jiewen@intel.com<mailto:jiewen@intel.com>>
> Cc: Eric Dong <eric.d...@intel.com<mailto:eric.d...@intel.com>>
> Cc: Star Zeng <star.z...@intel.com<mailto:star.z...@intel.com>>
> Cc: Laszlo Ersek <ler...@redhat.com<mailto:ler...@redhat.com>>
> Cc: Michael Kinney 
> <michael.d.kin...@intel.com<mailto:michael.d.kin...@intel.com>>
> Suggested-by: Jiewen Yao <jiewen@intel.com<mailto:jiewen@intel.com>>
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Jian J Wang 
> <jian.j.w...@intel.com<mailto:jian.j.w...@intel.com>>
>
> Jian J Wang (2):
>   UefiCpuPkg/CpuDxe: Fix out-of-sync issue in CpuDxe
>   MdeModulePkg/Core: Fix out-of-sync issue in GCD
>
>  MdeModulePkg/Core/Dxe/Gcd/Gcd.c  | 45 ++
>  UefiCpuPkg/CpuDxe/CpuDxe.c   |  5 ++
>  UefiCpuPkg/CpuDxe/CpuDxe.h   |  9 
>  UefiCpuPkg/CpuDxe/CpuPageTable.c | 99
> 
>  4 files changed, 140 insertions(+), 18 deletions(-)
>
> --
> 2.14.1.windows.1
>
> ___
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Re: [edk2] [PATCH 0/2] Fixe out-of-sync issue between GCD and CPU driver

[Wang, Jian J]

Jiewen,

Yes. The patch has passed the validation of the UEFI booting Windows 10, 
Windows 7 and Fedora 25.

If no comments from you and others, I'll push the patch to upstream soon.

Thanks,
Jian Wang

-Original Message-
From: Yao, Jiewen 
Sent: Wednesday, September 20, 2017 2:08 PM
To: Wang, Jian J <jian.j.w...@intel.com>; edk2-devel@lists.01.org
Cc: Kinney, Michael D <michael.d.kin...@intel.com>; Laszlo Ersek 
<ler...@redhat.com>; Dong, Eric <eric.d...@intel.com>; Zeng, Star 
<star.z...@intel.com>
Subject: RE: [edk2] [PATCH 0/2] Fixe out-of-sync issue between GCD and CPU 
driver

Hi
I take a look at the driver. I think the update is good.

Would you please share what test you have done with the updated UEFI memory map?
Such as UEFI Windows boot, UEFI Linux boot?

Thank you
Yao Jiewen


> -Original Message-
> From: Wang, Jian J
> Sent: Wednesday, September 20, 2017 1:12 PM
> To: Wang, Jian J <jian.j.w...@intel.com>; edk2-devel@lists.01.org
> Cc: Kinney, Michael D <michael.d.kin...@intel.com>; Laszlo Ersek
> <ler...@redhat.com>; Yao, Jiewen <jiewen@intel.com>; Dong, Eric
> <eric.d...@intel.com>; Zeng, Star <star.z...@intel.com>
> Subject: RE: [edk2] [PATCH 0/2] Fixe out-of-sync issue between GCD and CPU
> driver
> 
> Jiewen,
> 
> Any comments on this patch?
> 
> 
> -Original Message-
> From: edk2-devel [mailto:edk2-devel-boun...@lists.01.org] On Behalf Of Jian J
> Wang
> Sent: Tuesday, September 19, 2017 2:10 PM
> To: edk2-devel@lists.01.org
> Cc: Kinney, Michael D <michael.d.kin...@intel.com>; Laszlo Ersek
> <ler...@redhat.com>; Yao, Jiewen <jiewen....@intel.com>; Dong, Eric
> <eric.d...@intel.com>; Zeng, Star <star.z...@intel.com>
> Subject: [edk2] [PATCH 0/2] Fixe out-of-sync issue between GCD and CPU driver
> 
> There're two issues here actually.
> 
> From GCD perspective, its SetMemorySpaceAttributes() method doesn't
> accept page related attributes. That means users cannot use it to
> change page attributes, and have to turn to CPU arch protocol to do it,
> which is not be allowed by PI spec.
> 
> From CpuDxe driver perspective, it doesn't update GCD memory attributes
> from current page table setup during its initialization. So the memory
> attributes in GCD might not reflect all memory attributes in real world.
> 
> Cc: Jiewen Yao <jiewen@intel.com>
> Cc: Eric Dong <eric.d...@intel.com>
> Cc: Star Zeng <star.z...@intel.com>
> Cc: Laszlo Ersek <ler...@redhat.com>
> Cc: Michael Kinney <michael.d.kin...@intel.com>
> Suggested-by: Jiewen Yao <jiewen@intel.com>
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Jian J Wang <jian.j.w...@intel.com>
> 
> Jian J Wang (2):
>   UefiCpuPkg/CpuDxe: Fix out-of-sync issue in CpuDxe
>   MdeModulePkg/Core: Fix out-of-sync issue in GCD
> 
>  MdeModulePkg/Core/Dxe/Gcd/Gcd.c  | 45 ++
>  UefiCpuPkg/CpuDxe/CpuDxe.c   |  5 ++
>  UefiCpuPkg/CpuDxe/CpuDxe.h   |  9 
>  UefiCpuPkg/CpuDxe/CpuPageTable.c | 99
> 
>  4 files changed, 140 insertions(+), 18 deletions(-)
> 
> --
> 2.14.1.windows.1
> 
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Re: [edk2] [PATCH 0/2] Fixe out-of-sync issue between GCD and CPU driver

[Yao, Jiewen]

Hi
I take a look at the driver. I think the update is good.

Would you please share what test you have done with the updated UEFI memory map?
Such as UEFI Windows boot, UEFI Linux boot?

Thank you
Yao Jiewen


> -Original Message-
> From: Wang, Jian J
> Sent: Wednesday, September 20, 2017 1:12 PM
> To: Wang, Jian J <jian.j.w...@intel.com>; edk2-devel@lists.01.org
> Cc: Kinney, Michael D <michael.d.kin...@intel.com>; Laszlo Ersek
> <ler...@redhat.com>; Yao, Jiewen <jiewen@intel.com>; Dong, Eric
> <eric.d...@intel.com>; Zeng, Star <star.z...@intel.com>
> Subject: RE: [edk2] [PATCH 0/2] Fixe out-of-sync issue between GCD and CPU
> driver
> 
> Jiewen,
> 
> Any comments on this patch?
> 
> 
> -Original Message-
> From: edk2-devel [mailto:edk2-devel-boun...@lists.01.org] On Behalf Of Jian J
> Wang
> Sent: Tuesday, September 19, 2017 2:10 PM
> To: edk2-devel@lists.01.org
> Cc: Kinney, Michael D <michael.d.kin...@intel.com>; Laszlo Ersek
> <ler...@redhat.com>; Yao, Jiewen <jiewen....@intel.com>; Dong, Eric
> <eric.d...@intel.com>; Zeng, Star <star.z...@intel.com>
> Subject: [edk2] [PATCH 0/2] Fixe out-of-sync issue between GCD and CPU driver
> 
> There're two issues here actually.
> 
> From GCD perspective, its SetMemorySpaceAttributes() method doesn't
> accept page related attributes. That means users cannot use it to
> change page attributes, and have to turn to CPU arch protocol to do it,
> which is not be allowed by PI spec.
> 
> From CpuDxe driver perspective, it doesn't update GCD memory attributes
> from current page table setup during its initialization. So the memory
> attributes in GCD might not reflect all memory attributes in real world.
> 
> Cc: Jiewen Yao <jiewen@intel.com>
> Cc: Eric Dong <eric.d...@intel.com>
> Cc: Star Zeng <star.z...@intel.com>
> Cc: Laszlo Ersek <ler...@redhat.com>
> Cc: Michael Kinney <michael.d.kin...@intel.com>
> Suggested-by: Jiewen Yao <jiewen@intel.com>
> Contributed-under: TianoCore Contribution Agreement 1.1
> Signed-off-by: Jian J Wang <jian.j.w...@intel.com>
> 
> Jian J Wang (2):
>   UefiCpuPkg/CpuDxe: Fix out-of-sync issue in CpuDxe
>   MdeModulePkg/Core: Fix out-of-sync issue in GCD
> 
>  MdeModulePkg/Core/Dxe/Gcd/Gcd.c  | 45 ++
>  UefiCpuPkg/CpuDxe/CpuDxe.c   |  5 ++
>  UefiCpuPkg/CpuDxe/CpuDxe.h   |  9 
>  UefiCpuPkg/CpuDxe/CpuPageTable.c | 99
> 
>  4 files changed, 140 insertions(+), 18 deletions(-)
> 
> --
> 2.14.1.windows.1
> 
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Re: [edk2] [PATCH 0/2] Fixe out-of-sync issue between GCD and CPU driver

[Wang, Jian J]

Jiewen,

Any comments on this patch?


-Original Message-
From: edk2-devel [mailto:edk2-devel-boun...@lists.01.org] On Behalf Of Jian J 
Wang
Sent: Tuesday, September 19, 2017 2:10 PM
To: edk2-devel@lists.01.org
Cc: Kinney, Michael D <michael.d.kin...@intel.com>; Laszlo Ersek 
<ler...@redhat.com>; Yao, Jiewen <jiewen@intel.com>; Dong, Eric 
<eric.d...@intel.com>; Zeng, Star <star.z...@intel.com>
Subject: [edk2] [PATCH 0/2] Fixe out-of-sync issue between GCD and CPU driver

There're two issues here actually.

>From GCD perspective, its SetMemorySpaceAttributes() method doesn't
accept page related attributes. That means users cannot use it to
change page attributes, and have to turn to CPU arch protocol to do it,
which is not be allowed by PI spec.

>From CpuDxe driver perspective, it doesn't update GCD memory attributes
from current page table setup during its initialization. So the memory
attributes in GCD might not reflect all memory attributes in real world.

Cc: Jiewen Yao <jiewen@intel.com>
Cc: Eric Dong <eric.d...@intel.com>
Cc: Star Zeng <star.z...@intel.com>
Cc: Laszlo Ersek <ler...@redhat.com>
Cc: Michael Kinney <michael.d.kin...@intel.com>
Suggested-by: Jiewen Yao <jiewen@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Jian J Wang <jian.j.w...@intel.com>

Jian J Wang (2):
  UefiCpuPkg/CpuDxe: Fix out-of-sync issue in CpuDxe
  MdeModulePkg/Core: Fix out-of-sync issue in GCD

 MdeModulePkg/Core/Dxe/Gcd/Gcd.c  | 45 ++
 UefiCpuPkg/CpuDxe/CpuDxe.c   |  5 ++
 UefiCpuPkg/CpuDxe/CpuDxe.h   |  9 
 UefiCpuPkg/CpuDxe/CpuPageTable.c | 99 
 4 files changed, 140 insertions(+), 18 deletions(-)

-- 
2.14.1.windows.1

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[edk2] [PATCH 0/2] Fixe out-of-sync issue between GCD and CPU driver

[Jian J Wang]

There're two issues here actually.

>From GCD perspective, its SetMemorySpaceAttributes() method doesn't
accept page related attributes. That means users cannot use it to
change page attributes, and have to turn to CPU arch protocol to do it,
which is not be allowed by PI spec.

>From CpuDxe driver perspective, it doesn't update GCD memory attributes
from current page table setup during its initialization. So the memory
attributes in GCD might not reflect all memory attributes in real world.

Cc: Jiewen Yao 
Cc: Eric Dong 
Cc: Star Zeng 
Cc: Laszlo Ersek 
Cc: Michael Kinney 
Suggested-by: Jiewen Yao 
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Jian J Wang 

Jian J Wang (2):
  UefiCpuPkg/CpuDxe: Fix out-of-sync issue in CpuDxe
  MdeModulePkg/Core: Fix out-of-sync issue in GCD

 MdeModulePkg/Core/Dxe/Gcd/Gcd.c  | 45 ++
 UefiCpuPkg/CpuDxe/CpuDxe.c   |  5 ++
 UefiCpuPkg/CpuDxe/CpuDxe.h   |  9 
 UefiCpuPkg/CpuDxe/CpuPageTable.c | 99 
 4 files changed, 140 insertions(+), 18 deletions(-)

-- 
2.14.1.windows.1

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Re: [edk2] [PATCH 0/2] Fixe out-of-sync issue between GCD and CPU driver

[Wang, Jian J]

I found there's a logic hole in code. A new patch will be sent out.

-Original Message-
From: edk2-devel [mailto:edk2-devel-boun...@lists.01.org] On Behalf Of Jian J 
Wang
Sent: Monday, September 18, 2017 11:09 AM
To: edk2-devel@lists.01.org
Cc: Kinney, Michael D <michael.d.kin...@intel.com>; Laszlo Ersek 
<ler...@redhat.com>; Yao, Jiewen <jiewen@intel.com>; Zeng, Star 
<star.z...@intel.com>
Subject: [edk2] [PATCH 0/2] Fixe out-of-sync issue between GCD and CPU driver

There're two issues here actually.

>From GCD perspective, its SetMemorySpaceAttributes() method doesn't accept
page related attributes. That means users cannot use it to change page
attributes, and have to turn to CPU arch protocol to do it, which is not
be allowed by PI spec.

>From CpuDxe driver perspective, it doesn't update GCD memory attributes 
from current page table setup during its initialization. So the memory
attributes in GCD might not reflect all memory attributes in real world.

Cc: Jiewen Yao <jiewen@intel.com>
Cc: Star Zeng <star.z...@intel.com>
Cc: Laszlo Ersek <ler...@redhat.com>
Cc: Michael Kinney <michael.d.kin...@intel.com>
Suggested-by: Jiewen Yao <jiewen@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Jian J Wang <jian.j.w...@intel.com>

Jian J Wang (2):
  MdeModulePkg/Core: Fix out-of-sync issue in GCD
  UefiCpuPkg/CpuDxe: Fix out-of-sync issue in page attributes

 MdeModulePkg/Core/Dxe/Gcd/Gcd.c  | 45 
 UefiCpuPkg/CpuDxe/CpuDxe.c   |  5 +++
 UefiCpuPkg/CpuDxe/CpuDxe.h   |  9 
 UefiCpuPkg/CpuDxe/CpuPageTable.c | 92 
 4 files changed, 133 insertions(+), 18 deletions(-)

-- 
2.14.1.windows.1

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[edk2] [PATCH 0/2] Fixe out-of-sync issue between GCD and CPU driver

[Jian J Wang]

There're two issues here actually.

>From GCD perspective, its SetMemorySpaceAttributes() method doesn't accept
page related attributes. That means users cannot use it to change page
attributes, and have to turn to CPU arch protocol to do it, which is not
be allowed by PI spec.

>From CpuDxe driver perspective, it doesn't update GCD memory attributes 
from current page table setup during its initialization. So the memory
attributes in GCD might not reflect all memory attributes in real world.

Cc: Jiewen Yao 
Cc: Star Zeng 
Cc: Laszlo Ersek 
Cc: Michael Kinney 
Suggested-by: Jiewen Yao 
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Jian J Wang 

Jian J Wang (2):
  MdeModulePkg/Core: Fix out-of-sync issue in GCD
  UefiCpuPkg/CpuDxe: Fix out-of-sync issue in page attributes

 MdeModulePkg/Core/Dxe/Gcd/Gcd.c  | 45 
 UefiCpuPkg/CpuDxe/CpuDxe.c   |  5 +++
 UefiCpuPkg/CpuDxe/CpuDxe.h   |  9 
 UefiCpuPkg/CpuDxe/CpuPageTable.c | 92 
 4 files changed, 133 insertions(+), 18 deletions(-)

-- 
2.14.1.windows.1

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