GED interface is used by many hotplug events like memory hotplug, NVDIMM hotplug
and non-hotplug events like system power down event. Each of these can be
selected using a bit in the 32 bit GED IO interface. A bit has been reserved for
the CPU hotplug event.
Signed-off-by: Salil Mehta
Reviewed
://lore.kernel.org/qemu-devel/20230926103654.34424-1-salil.me...@huawei.com/
Signed-off-by: Salil Mehta
Tested-by: Vishnu Pajjuri
Reviewed-by: Gavin Shan
Tested-by: Xianglai Li
Tested-by: Miguel Luis
Reviewed-by: Shaoqin Huang
Reviewed-by: Vishnu Pajjuri
Tested-by: Zhao Liu
---
gdbstub/gdbstub.c
Virtual CPU Hot-unplug leads to unrealization of a CPU object. This also
involves destruction of the CPU AddressSpace. Add common function to help
destroy the CPU AddressSpace.
Signed-off-by: Salil Mehta
Tested-by: Vishnu Pajjuri
Reviewed-by: Gavin Shan
Tested-by: Xianglai Li
Tested
Zhu
Signed-off-by: Salil Mehta
Reviewed-by: Gavin Shan
Tested-by: Vishnu Pajjuri
Reviewed-by: Jonathan Cameron
Tested-by: Xianglai Li
Tested-by: Miguel Luis
Reviewed-by: Shaoqin Huang
Tested-by: Zhao Liu
---
hw/acpi/cpu.c | 23 ---
hw/i386/acpi-build.c | 3
later on for clean-up)
Reference:
[1]
https://lore.kernel.org/qemu-devel/1463496205-251412-24-git-send-email-imamm...@redhat.com/
Co-developed-by: Keqian Zhu
Signed-off-by: Keqian Zhu
Signed-off-by: Salil Mehta
Reviewed-by: Jonathan Cameron
Reviewed-by: Gavin Shan
Tested-by: Vishnu Pajjuri
)plug events.
ACPI CPU hotplug related initialization should only happen if ACPI_CPU_HOTPLUG
support has been enabled for particular architecture. Add cpu_hotplug_hw_init()
stub to avoid compilation break.
Co-developed-by: Keqian Zhu
Signed-off-by: Keqian Zhu
Signed-off-by: Salil Mehta
Reviewed
CPU ctrl-dev MMIO region length could be used in ACPI GED and various other
architecture specific places. Move ACPI_CPU_HOTPLUG_REG_LEN macro to more
appropriate common header file.
Signed-off-by: Salil Mehta
Reviewed-by: Alex Bennée
Reviewed-by: Jonathan Cameron
Reviewed-by: Gavin Shan
is intended here.
Signed-off-by: Salil Mehta
Reviewed-by: Gavin Shan
Tested-by: Vishnu Pajjuri
Reviewed-by: Jonathan Cameron
Tested-by: Xianglai Li
Tested-by: Miguel Luis
Reviewed-by: Shaoqin Huang
Reviewed-by: Vishnu Pajjuri
Reviewed-by: Nicholas Piggin
Tested-by: Zhao Liu
Reviewed-by: Zhao
[Patch 4,5]
4. Helper functions to support unrealization of CPU objects [Patch 6,7]
5. Docs [Patch 8]
Repository:
[*] https://github.com/salil-mehta/qemu.git
virt-cpuhp-armv8/rfc-v3.arch.agnostic.v12
NOTE: This series is meant to work in conjunction with Architecture specific
patch-set.
For ARM
> From: Harsh Prateek Bora
> Sent: Thursday, May 23, 2024 8:05 AM
>
> Hi Salil,
>
> On 5/23/24 02:41, Salil Mehta wrote:
> > +void kvm_park_vcpu(CPUState *cpu);
> > +
> > +/**
> > + * kvm_unpark_vcpu - unpark QEMU KVM vCPU context
> &g
GED interface is used by many hotplug events like memory hotplug, NVDIMM hotplug
and non-hotplug events like system power down event. Each of these can be
selected using a bit in the 32 bit GED IO interface. A bit has been reserved for
the CPU hotplug event.
Signed-off-by: Salil Mehta
Reviewed
://lore.kernel.org/qemu-devel/20230926103654.34424-1-salil.me...@huawei.com/
Signed-off-by: Salil Mehta
Tested-by: Vishnu Pajjuri
Reviewed-by: Gavin Shan
Tested-by: Xianglai Li
Tested-by: Miguel Luis
Reviewed-by: Shaoqin Huang
Reviewed-by: Vishnu Pajjuri
---
gdbstub/gdbstub.c | 13
Virtual CPU Hot-unplug leads to unrealization of a CPU object. This also
involves destruction of the CPU AddressSpace. Add common function to help
destroy the CPU AddressSpace.
Signed-off-by: Salil Mehta
Tested-by: Vishnu Pajjuri
Reviewed-by: Gavin Shan
Tested-by: Xianglai Li
Tested
later on for clean-up)
Reference:
[1]
https://lore.kernel.org/qemu-devel/1463496205-251412-24-git-send-email-imamm...@redhat.com/
Co-developed-by: Keqian Zhu
Signed-off-by: Keqian Zhu
Signed-off-by: Salil Mehta
Reviewed-by: Jonathan Cameron
Reviewed-by: Gavin Shan
Tested-by: Vishnu Pajjuri
Zhu
Signed-off-by: Salil Mehta
Reviewed-by: Gavin Shan
Tested-by: Vishnu Pajjuri
Reviewed-by: Jonathan Cameron
Tested-by: Xianglai Li
Tested-by: Miguel Luis
Reviewed-by: Shaoqin Huang
---
hw/acpi/cpu.c | 23 ---
hw/i386/acpi-build.c | 3 ++-
include/hw/acpi
)plug events.
ACPI CPU hotplug related initialization should only happen if ACPI_CPU_HOTPLUG
support has been enabled for particular architecture. Add cpu_hotplug_hw_init()
stub to avoid compilation break.
Co-developed-by: Keqian Zhu
Signed-off-by: Keqian Zhu
Signed-off-by: Salil Mehta
Reviewed
is intended here.
Signed-off-by: Salil Mehta
Reviewed-by: Gavin Shan
Tested-by: Vishnu Pajjuri
Reviewed-by: Jonathan Cameron
Tested-by: Xianglai Li
Tested-by: Miguel Luis
Reviewed-by: Shaoqin Huang
Reviewed-by: Vishnu Pajjuri
Reviewed-by: Nicholas Piggin
---
accel/kvm/kvm-all.c| 95
CPU ctrl-dev MMIO region length could be used in ACPI GED and various other
architecture specific places. Move ACPI_CPU_HOTPLUG_REG_LEN macro to more
appropriate common header file.
Signed-off-by: Salil Mehta
Reviewed-by: Alex Bennée
Reviewed-by: Jonathan Cameron
Reviewed-by: Gavin Shan
[Patch 4,5]
4. Helper functions to support unrealization of CPU objects [Patch 6,7]
5. Docs [Patch 8]
Repository:
[*] https://github.com/salil-mehta/qemu.git
virt-cpuhp-armv8/rfc-v3.arch.agnostic.v10
NOTE: This series is meant to work in conjunction with Architecture specific
patch-set.
For ARM
> From: Nicholas Piggin
> Sent: Wednesday, May 22, 2024 2:25 AM
> To: Salil Mehta ; qemu-devel@nongnu.org;
> qemu-...@nongnu.org
>
> On Tue May 21, 2024 at 9:32 AM AEST, Salil Mehta wrote:
> > KVM vCPU creation is done once during the vCPU realization when Qemu
>
> From: Alex Bennée
> Sent: Tuesday, May 21, 2024 4:23 PM
> To: Salil Mehta
>
> Salil Mehta writes:
>
> > Hi Alex,
> >
> >> From: Alex Bennée
> >> Sent: Tuesday, May 21, 2024 1:45 PM
> >> To: Salil Mehta
> >&
Hi Alex,
> From: Alex Bennée
> Sent: Tuesday, May 21, 2024 1:45 PM
> To: Salil Mehta
>
> Salil Mehta writes:
>
> > Add common function to help unregister the GDB register space. This
> > shall be done in context to the CPU unrealization.
>
GED interface is used by many hotplug events like memory hotplug, NVDIMM hotplug
and non-hotplug events like system power down event. Each of these can be
selected using a bit in the 32 bit GED IO interface. A bit has been reserved for
the CPU hotplug event.
Signed-off-by: Salil Mehta
Reviewed
Add common function to help unregister the GDB register space. This shall be
done in context to the CPU unrealization.
Signed-off-by: Salil Mehta
Tested-by: Vishnu Pajjuri
Reviewed-by: Gavin Shan
Tested-by: Xianglai Li
Tested-by: Miguel Luis
Reviewed-by: Shaoqin Huang
Reviewed-by: Vishnu
Virtual CPU Hot-unplug leads to unrealization of a CPU object. This also
involves destruction of the CPU AddressSpace. Add common function to help
destroy the CPU AddressSpace.
Signed-off-by: Salil Mehta
Tested-by: Vishnu Pajjuri
Reviewed-by: Gavin Shan
Tested-by: Xianglai Li
Tested
Zhu
Signed-off-by: Salil Mehta
Reviewed-by: Gavin Shan
Tested-by: Vishnu Pajjuri
Reviewed-by: Jonathan Cameron
Tested-by: Xianglai Li
Tested-by: Miguel Luis
Reviewed-by: Shaoqin Huang
---
hw/acpi/cpu.c | 23 ---
hw/i386/acpi-build.c | 3 ++-
include/hw/acpi
later on for clean-up)
Reference:
[1]
https://lore.kernel.org/qemu-devel/1463496205-251412-24-git-send-email-imamm...@redhat.com/
Co-developed-by: Keqian Zhu
Signed-off-by: Keqian Zhu
Signed-off-by: Salil Mehta
Reviewed-by: Jonathan Cameron
Reviewed-by: Gavin Shan
Tested-by: Vishnu Pajjuri
CPU ctrl-dev MMIO region length could be used in ACPI GED and various other
architecture specific places. Move ACPI_CPU_HOTPLUG_REG_LEN macro to more
appropriate common header file.
Signed-off-by: Salil Mehta
Reviewed-by: Alex Bennée
Reviewed-by: Jonathan Cameron
Reviewed-by: Gavin Shan
)plug events.
ACPI CPU hotplug related initialization should only happen if ACPI_CPU_HOTPLUG
support has been enabled for particular architecture. Add cpu_hotplug_hw_init()
stub to avoid compilation break.
Co-developed-by: Keqian Zhu
Signed-off-by: Keqian Zhu
Signed-off-by: Salil Mehta
Reviewed
is intended here.
Signed-off-by: Salil Mehta
Reviewed-by: Gavin Shan
Tested-by: Vishnu Pajjuri
Reviewed-by: Jonathan Cameron
Tested-by: Xianglai Li
Tested-by: Miguel Luis
Reviewed-by: Shaoqin Huang
Reviewed-by: Vishnu Pajjuri
---
accel/kvm/kvm-all.c| 97
[Patch 4,5]
4. Helper functions to support unrealization of CPU objects [Patch 6,7]
5. Docs [Patch 8]
Repository:
[*] https://github.com/salil-mehta/qemu.git
virt-cpuhp-armv8/rfc-v3.arch.agnostic.v10
NOTE: For ARM, above will work in combination of the architecture specific part
based on
RFC V2
> From: Nicholas Piggin
> Sent: Monday, May 20, 2024 9:04 AM
>
> On Mon May 20, 2024 at 7:06 AM AEST, Salil Mehta wrote:
> > KVM vCPU creation is done once during the vCPU realization when Qemu
> > vCPU thread is spawned. This is common to all the architectures
> From: Nicholas Piggin
> Sent: Monday, May 20, 2024 9:19 AM
>
> On Mon May 20, 2024 at 7:06 AM AEST, Salil Mehta wrote:
> > Virtual CPU Hot-unplug leads to unrealization of a CPU object. This
> > also involves destruction of the CPU AddressSpace. Add common funct
Hi Nick,
> From: Nicholas Piggin
> Sent: Monday, May 20, 2024 9:04 AM
> To: Salil Mehta ; qemu-devel@nongnu.org;
> qemu-...@nongnu.org
>
> On Mon May 20, 2024 at 7:06 AM AEST, Salil Mehta wrote:
> > KVM vCPU creation is done once during the vCPU realization wh
GED interface is used by many hotplug events like memory hotplug, NVDIMM hotplug
and non-hotplug events like system power down event. Each of these can be
selected using a bit in the 32 bit GED IO interface. A bit has been reserved for
the CPU hotplug event.
Signed-off-by: Salil Mehta
Reviewed
later on for clean-up)
Reference:
[1]
https://lore.kernel.org/qemu-devel/1463496205-251412-24-git-send-email-imamm...@redhat.com/
Co-developed-by: Keqian Zhu
Signed-off-by: Keqian Zhu
Signed-off-by: Salil Mehta
Reviewed-by: Jonathan Cameron
Reviewed-by: Gavin Shan
Tested-by: Vishnu Pajjuri
Add common function to help unregister the GDB register space. This shall be
done in context to the CPU unrealization.
Signed-off-by: Salil Mehta
Tested-by: Vishnu Pajjuri
Reviewed-by: Gavin Shan
Tested-by: Xianglai Li
Tested-by: Miguel Luis
Reviewed-by: Shaoqin Huang
Reviewed-by: Vishnu
Virtual CPU Hot-unplug leads to unrealization of a CPU object. This also
involves destruction of the CPU AddressSpace. Add common function to help
destroy the CPU AddressSpace.
Signed-off-by: Salil Mehta
Tested-by: Vishnu Pajjuri
Reviewed-by: Gavin Shan
Tested-by: Xianglai Li
Tested
Zhu
Signed-off-by: Salil Mehta
Reviewed-by: Gavin Shan
Tested-by: Vishnu Pajjuri
Reviewed-by: Jonathan Cameron
Tested-by: Xianglai Li
Tested-by: Miguel Luis
Reviewed-by: Shaoqin Huang
---
hw/acpi/cpu.c | 23 ---
hw/i386/acpi-build.c | 3 ++-
include/hw/acpi
)plug events.
ACPI CPU hotplug related initialization should only happen if ACPI_CPU_HOTPLUG
support has been enabled for particular architecture. Add cpu_hotplug_hw_init()
stub to avoid compilation break.
Co-developed-by: Keqian Zhu
Signed-off-by: Keqian Zhu
Signed-off-by: Salil Mehta
Reviewed
[Patch 4,5]
4. Helper functions to support unrealization of CPU objects [Patch 6,7]
5. Docs [Patch 8]
Repository:
[*] https://github.com/salil-mehta/qemu.git
virt-cpuhp-armv8/rfc-v3.arch.agnostic.v9
NOTE: For ARM, above will work in combination of the architecture specific part
based on
RFC V2 [1
CPU ctrl-dev MMIO region length could be used in ACPI GED and various other
architecture specific places. Move ACPI_CPU_HOTPLUG_REG_LEN macro to more
appropriate common header file.
Signed-off-by: Salil Mehta
Reviewed-by: Alex Bennée
Reviewed-by: Jonathan Cameron
Reviewed-by: Gavin Shan
. No functional change is intended here.
Signed-off-by: Salil Mehta
Reviewed-by: Gavin Shan
Tested-by: Vishnu Pajjuri
Reviewed-by: Jonathan Cameron
Tested-by: Xianglai Li
Tested-by: Miguel Luis
Reviewed-by: Shaoqin Huang
Reviewed-by: Vishnu Pajjuri
---
accel/kvm/kvm-all.c| 64
Hi Nick,
> From: Nicholas Piggin
> Sent: Friday, May 17, 2024 4:44 AM
>
> On Thu May 16, 2024 at 11:35 PM AEST, Salil Mehta wrote:
> >
> > > From: Harsh Prateek Bora
> > > Sent: Thursday, May 16, 2024 2:07 PM
> > >
> > > Hi Sal
[+] Adding this email address to the conversation.
(sorry for the noise)
> From: Salil Mehta
> Sent: Thursday, May 16, 2024 2:36 PM
>
> > From: Harsh Prateek Bora
> > Sent: Thursday, May 16, 2024 2:07 PM
> >
> > Hi Salil,
> >
> > On 5/16/
> From: Harsh Prateek Bora
> Sent: Thursday, May 16, 2024 2:07 PM
>
> Hi Salil,
>
> On 5/16/24 17:42, Salil Mehta wrote:
> > Hi Harsh,
> >
> >> From: Harsh Prateek Bora
> >> Sent: Thursday, May 16, 2024 11:15 AM
> >&
ur work and let's be hopeful it gets merged soon.
>
> regards,
> Harsh
>
> On 5/16/24 14:00, Salil Mehta wrote:
> > Hi Harsh,
> >
> > Thanks for your interest in the patch-set but taking away patches like
> > this from other series without any discussio
can rebase your patch-set from there. I'm
hopeful that it will get accepted in this cycle.
Many thanks
Salil.
> From: Harsh Prateek Bora
> Sent: Thursday, May 16, 2024 6:32 AM
>
> From: Salil Mehta
>
> KVM vCPU creation is done once during the vCPU realization when Q
Hi Phillipe,
Sorry, I missed this mail earlier.
> From: Philippe Mathieu-Daudé
> Sent: Friday, May 3, 2024 7:23 PM
> To: Salil Mehta ; qemu-devel@nongnu.org;
> qemu-...@nongnu.org
>
> On 3/5/24 17:57, Salil Mehta wrote:
> > Hi Philippe,
> >
>
HI Vishnu,
On Tue, May 7, 2024 at 12:39 PM Vishnu Pajjuri <
vis...@amperemail.onmicrosoft.com> wrote:
> Hi Salil,
> On 03-05-2024 21:53, Salil Mehta wrote:
>
> [EXTERNAL EMAIL NOTICE: This email originated from an external sender. Please
> be mindful of safe email han
Hi Peter,
> From: Peter Maydell
> Sent: Tuesday, May 7, 2024 10:03 AM
>
> On Tue, 7 May 2024 at 01:11, Salil Mehta wrote:
> >
> > > From: Peter Maydell
> > > Sent: Monday, May 6, 2024 10:29 AM
> > > To: Salil Mehta
> >
> From: Peter Maydell
> Sent: Monday, May 6, 2024 10:29 AM
> To: Salil Mehta
>
> On Mon, 6 May 2024 at 10:06, Salil Mehta
> wrote:
> >
> > Hi Peter,
> >
> > Thanks for the review.
> >
> > > From: Peter Maydell When do we
> From: Zhao Liu
> Sent: Monday, May 6, 2024 10:06 AM
>
> Hi Salil,
>
> On Fri, May 03, 2024 at 07:59:32PM +, Salil Mehta wrote:
> > Date: Fri, 3 May 2024 19:59:32 +0000
> > From: Salil Mehta
> > Subject: RE: [PATCH V8 3/8] hw/acpi: Updat
Hi Peter,
Thanks for the review.
> From: Peter Maydell
> Sent: Saturday, May 4, 2024 2:41 PM
>
> On Tue, 12 Mar 2024 at 02:02, Salil Mehta
> wrote:
> >
> > Virtual CPU Hot-unplug leads to unrealization of a CPU object. This
> > also involves destruc
Hi Zhukeqian,
On Fri, Mar 15, 2024 at 1:17 AM zhukeqian wrote:
> Hi Salil,
>
> [...]
>
> +void cpu_address_space_destroy(CPUState *cpu, int asidx) {
> +CPUAddressSpace *cpuas;
> +
> +assert(cpu->cpu_ases);
> +assert(asidx >= 0 && asidx < cpu->num_ases);
> +/* KVM cannot
Hi Vishnu,
> From: Vishnu Pajjuri
> Sent: Thursday, April 4, 2024 3:01 PM
> To: Salil Mehta ; qemu-devel@nongnu.org;
> qemu-...@nongnu.org
>
> Hi Salil,
>> On 12-03-2024 07:29, Salil Mehta wrote:
>> ACPI GED (as described in the ACPI 6.4 spec) uses an in
Hello,
Sorry, I missed this earlier.
> From: Zhao Liu
> Sent: Wednesday, March 13, 2024 6:14 AM
> To: Salil Mehta
>
> Hi Salil,
>
> It seems my comment [1] in v7 was missed, but I still hit the same issue. Pls
> let me paste the previous comment here
Hi Vishnu,
Sorry for the delay in reply. Still catching up.
> From: Vishnu Pajjuri
> Sent: Thursday, April 4, 2024 3:02 PM
> To: Salil Mehta ; qemu-devel@nongnu.org;
> qemu-...@nongnu.org
>
> Hi Salil,
> On 12-03-2024 07:29, Salil Mehta wrote:
>> Add common
inux.ibm.com/T/#u
>
> On 3/22/24 13:45, Harsh Prateek Bora wrote:
> > + Vaibhav, Shiva
> >
> > Hi Salil,
> >
> > I came across your patch while trying to solve a related problem on
> > spapr. One query below ..
> >
> > On 3/12/24 07:29
> I came across your patch while trying to solve a related problem on spapr.
> One query below ..
>
> On 3/12/24 07:29, Salil Mehta via wrote:
> > KVM vCPU creation is done once during the vCPU realization when Qemu
> > vCPU thread is spawned. This is common to all the
Hi Vishnu,
> From: Vishnu Pajjuri
> Sent: Thursday, April 4, 2024 3:00 PM
> Subject: Re: [PATCH V8 1/8] accel/kvm: Extract common KVM vCPU
> {creation,parking} code
>
> Hi Salil,
>> On 12-03-2024 07:29, Salil Mehta wrote:
>> KVM vCPU creation is done on
Hi Philippe,
> From: Philippe Mathieu-Daudé
> Sent: Friday, May 3, 2024 10:40 AM
> Subject: Re: [PATCH V8 1/8] accel/kvm: Extract common KVM vCPU
> {creation,parking} code
>
> Hi Salil,
>
> On 12/3/24 02:59, Salil Mehta wrote:
> > KVM vCPU creatio
Virtual CPU Hot-unplug leads to unrealization of a CPU object. This also
involves destruction of the CPU AddressSpace. Add common function to help
destroy the CPU AddressSpace.
Signed-off-by: Salil Mehta
Tested-by: Vishnu Pajjuri
Reviewed-by: Gavin Shan
Tested-by: Xianglai Li
Tested
GED interface is used by many hotplug events like memory hotplug, NVDIMM hotplug
and non-hotplug events like system power down event. Each of these can be
selected using a bit in the 32 bit GED IO interface. A bit has been reserved for
the CPU hotplug event.
Signed-off-by: Salil Mehta
Reviewed
Add common function to help unregister the GDB register space. This shall be
done in context to the CPU unrealization.
Signed-off-by: Salil Mehta
Tested-by: Vishnu Pajjuri
Reviewed-by: Gavin Shan
Tested-by: Xianglai Li
Tested-by: Miguel Luis
Reviewed-by: Shaoqin Huang
---
gdbstub/gdbstub.c
later on for clean-up)
Reference:
[1]
https://lore.kernel.org/qemu-devel/1463496205-251412-24-git-send-email-imamm...@redhat.com/
Co-developed-by: Keqian Zhu
Signed-off-by: Keqian Zhu
Signed-off-by: Salil Mehta
Reviewed-by: Jonathan Cameron
Reviewed-by: Gavin Shan
Tested-by: Vishnu Pajjuri
Zhu
Signed-off-by: Salil Mehta
Reviewed-by: Gavin Shan
Tested-by: Vishnu Pajjuri
Reviewed-by: Jonathan Cameron
Tested-by: Xianglai Li
Tested-by: Miguel Luis
Reviewed-by: Shaoqin Huang
---
hw/acpi/cpu.c | 23 ---
hw/i386/acpi-build.c | 3 ++-
include/hw/acpi
)plug events.
ACPI CPU hotplug related initialization should only happen if ACPI_CPU_HOTPLUG
support has been enabled for particular architecture. Add cpu_hotplug_hw_init()
stub to avoid compilation break.
Co-developed-by: Keqian Zhu
Signed-off-by: Keqian Zhu
Signed-off-by: Salil Mehta
Reviewed
CPU ctrl-dev MMIO region length could be used in ACPI GED and various other
architecture specific places. Move ACPI_CPU_HOTPLUG_REG_LEN macro to more
appropriate common header file.
Signed-off-by: Salil Mehta
Reviewed-by: Alex Bennée
Reviewed-by: Jonathan Cameron
Reviewed-by: Gavin Shan
. No functional change is intended here.
Signed-off-by: Salil Mehta
Reviewed-by: Gavin Shan
Tested-by: Vishnu Pajjuri
Reviewed-by: Jonathan Cameron
Tested-by: Xianglai Li
Tested-by: Miguel Luis
Reviewed-by: Shaoqin Huang
---
accel/kvm/kvm-all.c| 64
[Patch 4,5]
4. Helper functions to support unrealization of CPU objects [Patch 6,7]
5. Docs [Patch 8]
Repository:
[*] https://github.com/salil-mehta/qemu.git virt-cpuhp-armv8/rfc-v2.common.v8
Revision History:
Patch-set V7 -> V8
1. Rebased and Fixed the conflicts
Patch-set V6 ->
Add common function to help unregister the GDB register space. This shall be
done in context to the CPU unrealization.
Signed-off-by: Salil Mehta
Tested-by: Vishnu Pajjuri
Reviewed-by: Gavin Shan
Tested-by: Xianglai Li
Tested-by: Miguel Luis
Reviewed-by: Shaoqin Huang
---
gdbstub/gdbstub.c
GED interface is used by many hotplug events like memory hotplug, NVDIMM hotplug
and non-hotplug events like system power down event. Each of these can be
selected using a bit in the 32 bit GED IO interface. A bit has been reserved for
the CPU hotplug event.
Signed-off-by: Salil Mehta
---
docs
Virtual CPU Hot-unplug leads to unrealization of a CPU object. This also
involves destruction of the CPU AddressSpace. Add common function to help
destroy the CPU AddressSpace.
Signed-off-by: Salil Mehta
Tested-by: Vishnu Pajjuri
Reviewed-by: Gavin Shan
Tested-by: Xianglai Li
Tested
Zhu
Signed-off-by: Salil Mehta
Reviewed-by: Gavin Shan
Tested-by: Vishnu Pajjuri
Reviewed-by: Jonathan Cameron
Tested-by: Xianglai Li
Tested-by: Miguel Luis
Reviewed-by: Shaoqin Huang
---
hw/acpi/cpu.c | 23 ---
hw/i386/acpi-build.c | 3 ++-
include/hw/acpi
later on for clean-up)
Reference:
[1]
https://lore.kernel.org/qemu-devel/1463496205-251412-24-git-send-email-imamm...@redhat.com/
Co-developed-by: Keqian Zhu
Signed-off-by: Keqian Zhu
Signed-off-by: Salil Mehta
Reviewed-by: Jonathan Cameron
Reviewed-by: Gavin Shan
Tested-by: Vishnu Pajjuri
)plug events.
ACPI CPU hotplug related initialization should only happen if ACPI_CPU_HOTPLUG
support has been enabled for particular architecture. Add cpu_hotplug_hw_init()
stub to avoid compilation break.
Co-developed-by: Keqian Zhu
Signed-off-by: Keqian Zhu
Signed-off-by: Salil Mehta
Reviewed
CPU ctrl-dev MMIO region length could be used in ACPI GED and various other
architecture specific places. Move ACPI_CPU_HOTPLUG_REG_LEN macro to more
appropriate common header file.
Signed-off-by: Salil Mehta
Reviewed-by: Alex Bennée
Reviewed-by: Jonathan Cameron
Reviewed-by: Gavin Shan
. No functional change is intended here.
Signed-off-by: Salil Mehta
Reviewed-by: Gavin Shan
Tested-by: Vishnu Pajjuri
Reviewed-by: Jonathan Cameron
Tested-by: Xianglai Li
Tested-by: Miguel Luis
Reviewed-by: Shaoqin Huang
---
accel/kvm/kvm-all.c| 64
[Patch 4,5]
4. Helper functions to support unrealization of CPU objects [Patch 6,7]
5. Docs [Patch 8]
Repository:
[*] https://github.com/salil-mehta/qemu.git virt-cpuhp-armv8/rfc-v2.common.v7
Revision History:
Patch-set V6 -> V7
1. Addressed Alex Bennée's comments
- Updated the doc
Hi Igor,
Sorry, I missed this as well.
> From: Igor Mammedov
> Sent: Friday, October 27, 2023 2:47 PM
> To: Salil Mehta ; m...@redhat.com
>
> On Fri, 13 Oct 2023 11:51:25 +0100
> Salil Mehta wrote:
>
> > CPUs Control device(\\_SB.PCI0) register interface for
Hi Igor,
Sorry, I realized I missed to reply this review comment.
> From: Igor Mammedov
> Sent: Friday, October 27, 2023 3:08 PM
> To: Salil Mehta
>
> On Fri, 13 Oct 2023 11:51:24 +0100
> Salil Mehta wrote:
>
> > ACPI GED(as described in the ACPI 6.2 spec) c
Hi Igor,
> From: Igor Mammedov
> Sent: Friday, October 27, 2023 2:18 PM
> To: Salil Mehta
> Cc: qemu-devel@nongnu.org; qemu-...@nongnu.org; m...@kernel.org; jean-
> phili...@linaro.org; Jonathan Cameron ;
> lpieral...@kernel.org; peter.mayd...@linaro.org;
> richard
Hi Igor,
> From: Igor Mammedov
> Sent: Friday, October 27, 2023 2:06 PM
> To: Salil Mehta
> Cc: qemu-devel@nongnu.org; qemu-...@nongnu.org; m...@kernel.org; jean-
> phili...@linaro.org; Jonathan Cameron ;
> lpieral...@kernel.org; peter.mayd...@linaro.org;
> richard
Hi Igor,
Thanks for the review comments. I was bit on and off so could not address
the comments. Please find my replies inline.
> From: Igor Mammedov
> Sent: Friday, October 27, 2023 1:57 PM
> To: Salil Mehta
> Cc: qemu-devel@nongnu.org; qemu-...@nongnu.org; m...@kernel.org; j
Hi Igor,
> From: Igor Mammedov
> Sent: Thursday, October 26, 2023 1:41 PM
> To: Salil Mehta
> Cc: qemu-devel@nongnu.org; qemu-...@nongnu.org; m...@kernel.org; jean-
> phili...@linaro.org; Jonathan Cameron ;
> lpieral...@kernel.org; peter.mayd...@linaro.org;
> richard
> From: Igor Mammedov
> Sent: Thursday, October 26, 2023 1:09 PM
> To: Salil Mehta
>
> On Wed, 25 Oct 2023 09:54:07 +0000
> Salil Mehta wrote:
>
> > > From: David Hildenbrand
> > > Sent: Wednesday, October 25, 2023 10:32 AM
> > > To:
> From: David Hildenbrand
> Sent: Wednesday, October 25, 2023 10:32 AM
> To: Salil Mehta ; Igor Mammedov
> ; Salil Mehta
>
> On 25.10.23 11:16, Salil Mehta wrote:
> > Hi Igor,
> >
> >> From: Igor Mammedov
> >> Sent: Tuesday, October 24, 2023 9:
Hi Igor,
> From: Igor Mammedov
> Sent: Tuesday, October 24, 2023 9:06 AM
> To: Salil Mehta
>
> On Wed, 18 Oct 2023 17:48:36 +0100
> Salil Mehta wrote:
>
> > Hi Alex,
> >
> > On 18/10/2023 16:41, Alex Bennée wrote:
> > >
> > > Salil Meh
Hi Bernhard,
On 19/10/2023 11:33, Bernhard Beschow wrote:
Am 18. Oktober 2023 17:38:33 UTC schrieb Salil Mehta :
Hello,
Hi Salil,
Can we assume that every machine type will have all the features which a GED
Device can multiplex present together? like will Memory and CPU Hotplug makes
Hi Alex,
> From: Alex Bennée
> Sent: Thursday, October 19, 2023 11:16 AM
> To: Salil Mehta
> Cc: qemu-devel@nongnu.org; qemu-...@nongnu.org; m...@kernel.org; jean-
> phili...@linaro.org; Jonathan Cameron ;
> lpieral...@kernel.org; peter.mayd...@linaro.org;
> richard.hender
Hi Shaoqin,
> From: Shaoqin Huang
> Sent: Thursday, October 19, 2023 10:05 AM
> To: Salil Mehta ; qemu-devel@nongnu.org; qemu-
> a...@nongnu.org
> Cc: m...@kernel.org; jean-phili...@linaro.org; Jonathan Cameron
> ; lpieral...@kernel.org;
> peter.mayd...@linaro.org; richard
Hello,
Can we assume that every machine type will have all the features which a
GED Device can multiplex present together? like will Memory and CPU
Hotplug makes sense for all the type of machines?
If answer is no, then shouldn't every machine type override the base GED
type and define it
Hi Alex,
On 18/10/2023 16:41, Alex Bennée wrote:
Salil Mehta writes:
Hello,
Came across below code excerpt in x86/microvm code and wanted to know
why 'has_hotpluggable_cpus' flag has been set to 'false' while various
hot(un)plug APIs have been defined?
static void microvm_class_init
Hello,
Came across below code excerpt in x86/microvm code and wanted to know
why 'has_hotpluggable_cpus' flag has been set to 'false' while various
hot(un)plug APIs have been defined?
static void microvm_class_init(ObjectClass *oc, void *data)
{
X86MachineClass *x86mc =
Hi Gavin,
> From: Gavin Shan
> Sent: Friday, September 29, 2023 5:23 AM
> To: Salil Mehta ; qemu-devel@nongnu.org;
> qemu-...@nongnu.org
> Cc: m...@kernel.org; jean-phili...@linaro.org; Jonathan Cameron
> ; lpieral...@kernel.org;
> peter.mayd...@linaro.org; richard.hender..
Hi Gavin,
> From: Gavin Shan
> Sent: Friday, September 29, 2023 5:15 AM
> To: Salil Mehta ; qemu-devel@nongnu.org;
> qemu-...@nongnu.org
> Cc: m...@kernel.org; jean-phili...@linaro.org; Jonathan Cameron
> ; lpieral...@kernel.org;
> peter.mayd...@linaro.org; richard.hender..
Hi Gavin,
> From: Gavin Shan
> Sent: Friday, September 29, 2023 1:31 AM
> To: Salil Mehta ; qemu-devel@nongnu.org;
> qemu-...@nongnu.org
> Cc: m...@kernel.org; jean-phili...@linaro.org; Jonathan Cameron
> ; lpieral...@kernel.org;
> peter.mayd...@linaro.org; richard.hender..
Hi Gavin,
> From: Gavin Shan
> Sent: Friday, September 29, 2023 1:21 AM
> To: Salil Mehta ; qemu-devel@nongnu.org;
> qemu-...@nongnu.org
> Cc: m...@kernel.org; jean-phili...@linaro.org; Jonathan Cameron
> ; lpieral...@kernel.org;
> peter.mayd...@linaro.org; richard.hender..
Hi Gavin,
> From: Gavin Shan
> Sent: Friday, September 29, 2023 12:58 AM
> To: Salil Mehta ; qemu-devel@nongnu.org;
> qemu-...@nongnu.org
> Cc: m...@kernel.org; jean-phili...@linaro.org; Jonathan Cameron
> ; lpieral...@kernel.org;
> peter.mayd...@linaro.org; richard
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