On 8/23/21 1:09 AM, Gary Lin wrote:
When using HVM Direct kernel boot with OvmfXen, it could fail at the
S3BootScript due to the inconsistency between QemuFwCfgS3Enabled()
and PcdAcpiS3Enable.

This patch series initializes PcdAcpiS3Enable in
. Besides, QemuFwCfgS3Enabled() is
replaced with PcdAcpiS3Enable in several OVMF libraries to avoid the
potential inconsistency.

Bugzilla links:
   https://bugzilla.tianocore.org/show_bug.cgi?id=3573

v3:
   - Update the description per Anthony's suggestion
   - Add the bugzilla links
   - Move the QemuKernelLoaderFsDxe patch out of this patch series
     and make it an independent patch
v2:
   - Amend the description and address "HVM Direct Kernel Boot"
   - Add the comment for the conditional test of QemuFwCfgS3Enabled()
   - Remove unused QemuFwCfgLib
   - Update my email address

Cc: Ard Biesheuvel <ardb+tianoc...@kernel.org>
Cc: Jiewen Yao <jiewen....@intel.com>
Cc: Jordan Justen <jordan.l.jus...@intel.com>
Cc: Anthony Perard <anthony.per...@citrix.com>
Cc: Julien Grall <jul...@xen.org>
Cc: Jim Fehlig <jfeh...@suse.com>
Cc: Joey Li <j...@suse.com>

Gary Lin (4):
   OvmfPkg/OvmfXen: set PcdAcpiS3Enable at initialization
   OvmfPkg/LockBoxLib: use PcdAcpiS3Enable to detect S3 support
   OvmfPkg/PlatformBootManagerLib: use PcdAcpiS3Enable to detect S3
     support
   OvmfPkg/SmmControl2Dxe: use PcdAcpiS3Enable to detect S3 support

  OvmfPkg/Library/LockBoxLib/LockBoxDxeLib.inf        |  3 +--
  .../PlatformBootManagerLib.inf                      |  1 +
  OvmfPkg/SmmControl2Dxe/SmmControl2Dxe.inf           |  2 ++
  OvmfPkg/XenPlatformPei/XenPlatformPei.inf           |  2 ++
  OvmfPkg/Library/LockBoxLib/LockBoxDxe.c             |  4 +---
  .../Library/PlatformBootManagerLib/BdsPlatform.c    |  2 +-
  OvmfPkg/SmmControl2Dxe/SmmControl2Dxe.c             |  4 +---
  OvmfPkg/XenPlatformPei/Platform.c                   | 13 +++++++++++++
  8 files changed, 22 insertions(+), 9 deletions(-)

Tested-by: Jim Fehlig <jfeh...@suse.com>

Regards,
Jim



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