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
From: Sebastien Boeuf <sebastien.boeuf@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@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 --------------------------------------------------------------------- Intel Corporation SAS (French simplified joint stock company) Registered headquarters: "Les Montalets"- 2, rue de Paris, 92196 Meudon Cedex, France Registration Number: 302 456 199 R.C.S. NANTERRE Capital: 5 208 026.16 Euros This e-mail and any attachments may contain confidential material for the sole use of the intended recipient(s). Any review or distribution by others is strictly prohibited. If you are not the intended recipient, please contact the sender and delete all copies. -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#89655): https://edk2.groups.io/g/devel/message/89655 Mute This Topic: https://groups.io/mt/91011837/1787277 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [importer@patchew.org] -=-=-=-=-=-=-=-=-=-=-=-
Acked-by: Jiewen Yao <Jiewen.yao@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? Thank you Yao Jiewen > -----Original Message----- > From: Boeuf, Sebastien <sebastien.boeuf@intel.com> > Sent: Tuesday, May 10, 2022 8:51 PM > To: devel@edk2.groups.io > Cc: Yao, Jiewen <jiewen.yao@intel.com>; Justen, Jordan L > <jordan.l.justen@intel.com>; kraxel@redhat.com; Boeuf, Sebastien > <sebastien.boeuf@intel.com> > Subject: [PATCH 0/4] OvmfPkg: CloudHv: Reduce PIO and MMIO accesses > > From: Sebastien Boeuf <sebastien.boeuf@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@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 -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#90147): https://edk2.groups.io/g/devel/message/90147 Mute This Topic: https://groups.io/mt/91011837/1787277 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [importer@patchew.org] -=-=-=-=-=-=-=-=-=-=-=-
On Thu, 2022-06-02 at 08:57 +0000, Yao, Jiewen wrote: > Acked-by: Jiewen Yao <Jiewen.yao@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. Thanks, Sebastien > > Thank you > Yao Jiewen > > > -----Original Message----- > > From: Boeuf, Sebastien <sebastien.boeuf@intel.com> > > Sent: Tuesday, May 10, 2022 8:51 PM > > To: devel@edk2.groups.io > > Cc: Yao, Jiewen <jiewen.yao@intel.com>; Justen, Jordan L > > <jordan.l.justen@intel.com>; kraxel@redhat.com; Boeuf, Sebastien > > <sebastien.boeuf@intel.com> > > Subject: [PATCH 0/4] OvmfPkg: CloudHv: Reduce PIO and MMIO accesses > > > > From: Sebastien Boeuf <sebastien.boeuf@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@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 > --------------------------------------------------------------------- Intel Corporation SAS (French simplified joint stock company) Registered headquarters: "Les Montalets"- 2, rue de Paris, 92196 Meudon Cedex, France Registration Number: 302 456 199 R.C.S. NANTERRE Capital: 5 208 026.16 Euros This e-mail and any attachments may contain confidential material for the sole use of the intended recipient(s). Any review or distribution by others is strictly prohibited. If you are not the intended recipient, please contact the sender and delete all copies. -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#90149): https://edk2.groups.io/g/devel/message/90149 Mute This Topic: https://groups.io/mt/91011837/1787277 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [importer@patchew.org] -=-=-=-=-=-=-=-=-=-=-=-
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@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@intel.com> > > > Sent: Tuesday, May 10, 2022 8:51 PM > > > To: devel@edk2.groups.io > > > Cc: Yao, Jiewen <jiewen.yao@intel.com>; Justen, Jordan L > > > <jordan.l.justen@intel.com>; kraxel@redhat.com; Boeuf, Sebastien > > > <sebastien.boeuf@intel.com> > > > Subject: [PATCH 0/4] OvmfPkg: CloudHv: Reduce PIO and MMIO > > > accesses > > > > > > From: Sebastien Boeuf <sebastien.boeuf@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@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 > > > --------------------------------------------------------------------- Intel Corporation SAS (French simplified joint stock company) Registered headquarters: "Les Montalets"- 2, rue de Paris, 92196 Meudon Cedex, France Registration Number: 302 456 199 R.C.S. NANTERRE Capital: 5 208 026.16 Euros This e-mail and any attachments may contain confidential material for the sole use of the intended recipient(s). Any review or distribution by others is strictly prohibited. If you are not the intended recipient, please contact the sender and delete all copies. -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#90152): https://edk2.groups.io/g/devel/message/90152 Mute This Topic: https://groups.io/mt/91011837/1787277 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [importer@patchew.org] -=-=-=-=-=-=-=-=-=-=-=-
Merged https://github.com/tianocore/edk2/pull/2942 > -----Original Message----- > From: Boeuf, Sebastien <sebastien.boeuf@intel.com> > Sent: Thursday, June 2, 2022 5:29 PM > To: Yao, Jiewen <jiewen.yao@intel.com>; devel@edk2.groups.io > Cc: kraxel@redhat.com; Justen, Jordan L <jordan.l.justen@intel.com> > Subject: Re: [PATCH 0/4] OvmfPkg: CloudHv: Reduce PIO and MMIO accesses > > 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@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@intel.com> > > > > Sent: Tuesday, May 10, 2022 8:51 PM > > > > To: devel@edk2.groups.io > > > > Cc: Yao, Jiewen <jiewen.yao@intel.com>; Justen, Jordan L > > > > <jordan.l.justen@intel.com>; kraxel@redhat.com; Boeuf, Sebastien > > > > <sebastien.boeuf@intel.com> > > > > Subject: [PATCH 0/4] OvmfPkg: CloudHv: Reduce PIO and MMIO > > > > accesses > > > > > > > > From: Sebastien Boeuf <sebastien.boeuf@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@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 > > > > > -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#90176): https://edk2.groups.io/g/devel/message/90176 Mute This Topic: https://groups.io/mt/91011837/1787277 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [importer@patchew.org] -=-=-=-=-=-=-=-=-=-=-=-
Thank you! ________________________________ From: Yao, Jiewen <jiewen.yao@intel.com> Sent: Friday, June 3, 2022 12:52 PM To: Boeuf, Sebastien <sebastien.boeuf@intel.com>; devel@edk2.groups.io <devel@edk2.groups.io> Cc: kraxel@redhat.com <kraxel@redhat.com>; Justen, Jordan L <jordan.l.justen@intel.com> Subject: RE: [PATCH 0/4] OvmfPkg: CloudHv: Reduce PIO and MMIO accesses Merged https://github.com/tianocore/edk2/pull/2942 > -----Original Message----- > From: Boeuf, Sebastien <sebastien.boeuf@intel.com> > Sent: Thursday, June 2, 2022 5:29 PM > To: Yao, Jiewen <jiewen.yao@intel.com>; devel@edk2.groups.io > Cc: kraxel@redhat.com; Justen, Jordan L <jordan.l.justen@intel.com> > Subject: Re: [PATCH 0/4] OvmfPkg: CloudHv: Reduce PIO and MMIO accesses > > 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@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@intel.com> > > > > Sent: Tuesday, May 10, 2022 8:51 PM > > > > To: devel@edk2.groups.io > > > > Cc: Yao, Jiewen <jiewen.yao@intel.com>; Justen, Jordan L > > > > <jordan.l.justen@intel.com>; kraxel@redhat.com; Boeuf, Sebastien > > > > <sebastien.boeuf@intel.com> > > > > Subject: [PATCH 0/4] OvmfPkg: CloudHv: Reduce PIO and MMIO > > > > accesses > > > > > > > > From: Sebastien Boeuf <sebastien.boeuf@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@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 > > > > > --------------------------------------------------------------------- Intel Corporation SAS (French simplified joint stock company) Registered headquarters: "Les Montalets"- 2, rue de Paris, 92196 Meudon Cedex, France Registration Number: 302 456 199 R.C.S. NANTERRE Capital: 5 208 026.16 Euros This e-mail and any attachments may contain confidential material for the sole use of the intended recipient(s). Any review or distribution by others is strictly prohibited. If you are not the intended recipient, please contact the sender and delete all copies. -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#90177): https://edk2.groups.io/g/devel/message/90177 Mute This Topic: https://groups.io/mt/91011837/1787277 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [importer@patchew.org] -=-=-=-=-=-=-=-=-=-=-=-
Sounds good, thanks! > -----Original Message----- > From: Boeuf, Sebastien <sebastien.boeuf@intel.com> > Sent: Thursday, June 2, 2022 5:29 PM > To: Yao, Jiewen <jiewen.yao@intel.com>; devel@edk2.groups.io > Cc: kraxel@redhat.com; Justen, Jordan L <jordan.l.justen@intel.com> > Subject: Re: [PATCH 0/4] OvmfPkg: CloudHv: Reduce PIO and MMIO accesses > > 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@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@intel.com> > > > > Sent: Tuesday, May 10, 2022 8:51 PM > > > > To: devel@edk2.groups.io > > > > Cc: Yao, Jiewen <jiewen.yao@intel.com>; Justen, Jordan L > > > > <jordan.l.justen@intel.com>; kraxel@redhat.com; Boeuf, Sebastien > > > > <sebastien.boeuf@intel.com> > > > > Subject: [PATCH 0/4] OvmfPkg: CloudHv: Reduce PIO and MMIO > > > > accesses > > > > > > > > From: Sebastien Boeuf <sebastien.boeuf@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@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 > > > > > -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#90154): https://edk2.groups.io/g/devel/message/90154 Mute This Topic: https://groups.io/mt/91011837/1787277 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [importer@patchew.org] -=-=-=-=-=-=-=-=-=-=-=-
Hi, Sorry to bother you folks, but I was wondering if you had this patchset on your radar :) Thanks for your time, Sebastien ________________________________ From: Boeuf, Sebastien <sebastien.boeuf@intel.com> Sent: Tuesday, May 10, 2022 2:50 PM To: devel@edk2.groups.io <devel@edk2.groups.io> Cc: Yao, Jiewen <jiewen.yao@intel.com>; Justen, Jordan L <jordan.l.justen@intel.com>; kraxel@redhat.com <kraxel@redhat.com>; Boeuf, Sebastien <sebastien.boeuf@intel.com> Subject: [PATCH 0/4] OvmfPkg: CloudHv: Reduce PIO and MMIO accesses From: Sebastien Boeuf <sebastien.boeuf@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@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 --------------------------------------------------------------------- Intel Corporation SAS (French simplified joint stock company) Registered headquarters: "Les Montalets"- 2, rue de Paris, 92196 Meudon Cedex, France Registration Number: 302 456 199 R.C.S. NANTERRE Capital: 5 208 026.16 Euros This e-mail and any attachments may contain confidential material for the sole use of the intended recipient(s). Any review or distribution by others is strictly prohibited. If you are not the intended recipient, please contact the sender and delete all copies. -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#89965): https://edk2.groups.io/g/devel/message/89965 Mute This Topic: https://groups.io/mt/91011837/1787277 Group Owner: devel+owner@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [importer@patchew.org] -=-=-=-=-=-=-=-=-=-=-=-
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