[edk2-devel] [PATCH 0/4] OvmfPkg: CloudHv: Reduce PIO and MMIO accesses

[Boeuf, Sebastien]

On Thu, 2022-06-02 at 11:04 +0200, Sebastien Boeuf wrote:
> On Thu, 2022-06-02 at 08:57 +0000, Yao, Jiewen wrote:
> > Acked-by: Jiewen Yao <Jiewen.yao at intel.com>
> > 
> > I notice the PR failed -
> > https://github.com/tianocore/edk2/pull/2875
> > 
> > I just want to double confirm, do you have a success PR for this
> > patch set?
> 
> Let me repush the PR once rebased on latest master. I think the
> failures were only related to the Windows CI issues.

Ok the CI is passing fine after I rebased on latest master. See
https://github.com/tianocore/edk2/pull/2875

Thanks,
Sebastien

> 
> Thanks,
> Sebastien
> 
> > 
> > Thank you
> > Yao Jiewen
> > 
> > > -----Original Message-----
> > > From: Boeuf, Sebastien <sebastien.boeuf at intel.com>
> > > Sent: Tuesday, May 10, 2022 8:51 PM
> > > To: devel at edk2.groups.io
> > > Cc: Yao, Jiewen <jiewen.yao at intel.com>; Justen, Jordan L
> > > <jordan.l.justen at intel.com>; kraxel at redhat.com; Boeuf, Sebastien
> > > <sebastien.boeuf at intel.com>
> > > Subject: [PATCH 0/4] OvmfPkg: CloudHv: Reduce PIO and MMIO
> > > accesses
> > > 
> > > From: Sebastien Boeuf <sebastien.boeuf at intel.com>
> > > 
> > > The goal of this series is to reduce the amount of inappropriate
> > > PIO
> > > and MMIO accesses generated by the firmware when running on Cloud
> > > Hypervisor.
> > > 
> > > For MMIO accesses, it is about providing the right base address
> > > where
> > > the firmware will be loaded by the VMM in order to avoid
> > > unexpected
> > > accesses to some address ranges.
> > > 
> > > For PIO accesses, it is about preventing some read/write to be
> > > performed
> > > in the first place, as we know the underlying device is not
> > > emulated by
> > > Cloud Hypervisor.
> > > 
> > > Signed-off-by: Sebastien Boeuf <sebastien.boeuf at intel.com>
> > > 
> > > Sebastien Boeuf (4):
> > >   OvmfPkg: CloudHv: Fix FW_BASE_ADDRESS
> > >   OvmfPkg: Check for QemuFwCfg availability before accessing it
> > >   OvmfPkg: CloudHv: Rely on QemuFwCfgLibNull implementation
> > >   OvmfPkg: Don't access A20 gate register on Cloud Hypervisor
> > > 
> > >  OvmfPkg/CloudHv/CloudHvDefines.fdf.inc        | 65
> > > +++++++++++++++++++
> > >  OvmfPkg/CloudHv/CloudHvX64.dsc                |  4 +-
> > >  OvmfPkg/CloudHv/CloudHvX64.fdf                |  2 +-
> > >  OvmfPkg/Library/PlatformInitLib/Platform.c    | 13 ++--
> > >  .../QemuBootOrderLib/QemuBootOrderLib.c       |  8 ++-
> > >  5 files changed, 82 insertions(+), 10 deletions(-)
> > >  create mode 100644 OvmfPkg/CloudHv/CloudHvDefines.fdf.inc
> > > 
> > > --
> > > 2.32.0
> > 
> 

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