On 1/11/23 02:22, Min Xu wrote:
> BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=4237
> 
> Commit 9fdc70af6ba8 breaks log analysis and code cohesion in 
> AcpiPlatformDxe. See the detailed information in BZ#4237.
> 
> This patch-set contains below patches to fix above issues.
> #1: Remove QEMU_ACPI_TABLE_NOTIFY_PROTOCOL and delete
>     QemuAcpiTableNotify.h.
> #2: Use local variable of ChAcpiHandle to store the handle.
> #3: Use local variable of QemuAcpiHandle to store the handle.
> #4: Add log to show how many ACPI tables installed.
> #5: Refactor the installation of QemuAcpiTableNotifyProtocol and
>     its error handling.
> #6: Return error code if QemuAcpiTableNotifyProtocol is failed to be
>     installed so that the caller can handle the error.
> 
> Code: https://github.com/mxu9/edk2/tree/AcpiPlatformDxe.v3
> 
> v3 changes:
>  - Set QemuAcpiHandle to NULL right before installing the
>    gQemuAcpiTableNotifyProtocol.
> 
> v2 changes:
>  - Split v1 patch into 6 separate patches.
> 
> Cc: Laszlo Ersek <[email protected]>
> Cc: Erdem Aktas <[email protected]>
> Cc: James Bottomley <[email protected]>
> Cc: Jiewen Yao <[email protected]>
> Cc: Gerd Hoffmann <[email protected]>
> Cc: Tom Lendacky <[email protected]>
> Cc: Sebastien Boeuf <[email protected]>
> Reported-by: Laszlo Ersek <[email protected]>
> Signed-off-by: Min Xu <[email protected]>
> 
> Min M Xu (6):
>   OvmfPkg/AcpiPlatformDxe: Remove QEMU_ACPI_TABLE_NOTIFY_PROTOCOL
>   OvmfPkg/AcpiPlatformDxe: Use local variable in CloudHvAcpi.c
>   OvmfPkg/AcpiPlatformDxe: Use local variable in QemuFwCfgAcpi.c
>   OvmfPkg/AcpiPlatformDxe: Add log to show the installed tables
>   OvmfPkg/AcpiPlatformDxe: Refactor QemuAcpiTableNotifyProtocol
>   OvmfPkg/AcpiPlatformDxe: Return error if installing NotifyProtocol
>     failed
> 
>  OvmfPkg/AcpiPlatformDxe/CloudHvAcpi.c         | 23 +++++-----
>  OvmfPkg/AcpiPlatformDxe/QemuFwCfgAcpi.c       | 43 ++++++++++++-------
>  .../Include/Protocol/QemuAcpiTableNotify.h    | 27 ------------
>  3 files changed, 40 insertions(+), 53 deletions(-)
>  delete mode 100644 OvmfPkg/Include/Protocol/QemuAcpiTableNotify.h
> 

https://github.com/tianocore/edk2/pull/3897

Commit range ba08910df107..7cd55f300915.

Thanks.



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