On 06.10.2013 15:57, Zhang Haoyu wrote:
From my testing this has been fixed in the saucy version (1.5.0) of
qemu. It is fixed by this patch:
f1c72795af573b24a7da5eb52375c9aba8a37972
However later in the history this commit was reverted, and again broke
this. The other commit that fixes this
Il 07/10/2013 08:38, Peter Lieven ha scritto:
On 06.10.2013 15:57, Zhang Haoyu wrote:
From my testing this has been fixed in the saucy version (1.5.0) of
qemu. It is fixed by this patch:
f1c72795af573b24a7da5eb52375c9aba8a37972
However later in the history this commit was reverted, and again
On 07.10.2013 11:37, Paolo Bonzini wrote:
Il 07/10/2013 08:38, Peter Lieven ha scritto:
On 06.10.2013 15:57, Zhang Haoyu wrote:
From my testing this has been fixed in the saucy version (1.5.0) of
qemu. It is fixed by this patch:
f1c72795af573b24a7da5eb52375c9aba8a37972
However later in the
On Fri, Oct 04, 2013 at 05:13:20PM +0100, Christoffer Dall wrote:
--- a/arch/arm64/include/asm/pgtable-hwdef.h
+++ b/arch/arm64/include/asm/pgtable-hwdef.h
@@ -85,6 +85,8 @@
#define PTE_S2_RDONLY (_AT(pteval_t, 1) 6) /* HAP[2:1] */
#define PTE_S2_RDWR(_AT(pteval_t,
Il 07/10/2013 11:49, Peter Lieven ha scritto:
It's in general not easy to do this if you take non-x86 targets into
account.
What about the dirty way to zero out all non zero pages at the beginning of
ram_load?
I'm not sure I follow?
Paolo
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Il 04/10/2013 15:38, Alexander Graf ha scritto:
On 07.08.2013, at 12:03, Bharat Bhushan wrote:
When the MM code is invalidating a range of pages, it calls the KVM
kvm_mmu_notifier_invalidate_range_start() notifier function, which calls
kvm_unmap_hva_range(), which arranges to flush all the
Il 04/10/2013 15:10, Alexander Graf ha scritto:
On 21.09.2013, at 01:53, Paul Mackerras wrote:
This fixes a typo in the code that saves the guest DSCR (Data Stream
Control Register) into the kvm_vcpu_arch struct on guest exit. The
effect of the typo was that the DSCR value was saved in
Gleb, so I just did a trace of KVM MMU to try to understand why L2 is
stuck with shadow on EPT
Ensure, EPT is enabled on L0 disabled on L1
On L0:
-
$ cat /sys/module/kvm_intel/parameters/ept
Y
On L1
-
$ cat /sys/module/kvm_intel/parameters/ept
N
Build and install
Hi Alex,
On 10/04/2013 02:50 PM, Alexander Graf wrote:
On 03.10.2013, at 13:03, Cédric Le Goater wrote:
MMIO emulation reads the last instruction executed by the guest
and then emulates. If the guest is running in Little Endian mode,
the instruction needs to be byte-swapped before being
On 10/04/2013 03:48 PM, Aneesh Kumar K.V wrote:
Cédric Le Goater c...@fr.ibm.com writes:
MMIO emulation reads the last instruction executed by the guest
and then emulates. If the guest is running in Little Endian mode,
the instruction needs to be byte-swapped before being emulated.
This
MMIO emulation reads the last instruction executed by the guest
and then emulates. If the guest is running in Little Endian mode,
the instruction needs to be byte-swapped before being emulated.
The first patches add simple helper routines to load instructions from
the guest. It prepares ground
MMIO emulation reads the last instruction executed by the guest
and then emulates. If the guest is running in Little Endian mode,
the instruction needs to be byte-swapped before being emulated.
This patch stores the last instruction in the endian order of the
host, primarily doing a byte-swap if
This patch adds an helper routine kvmppc_ld_inst() to load an
instruction form the guest. This routine will be modified in
the next patches to take into account the endian order of the
guest.
Signed-off-by: Cédric Le Goater c...@fr.ibm.com
---
arch/powerpc/include/asm/kvm_book3s.h | 16
They will be used to decide whether to byte-swap or not. When Little
Endian host kernels come, these routines will need to be changed
accordingly.
Signed-off-by: Cédric Le Goater c...@fr.ibm.com
---
arch/powerpc/include/asm/kvm_book3s.h | 10 ++
1 file changed, 10 insertions(+)
diff
On 07.10.2013, at 16:23, Cedric Le Goater c...@fr.ibm.com wrote:
Hi Alex,
On 10/04/2013 02:50 PM, Alexander Graf wrote:
On 03.10.2013, at 13:03, Cédric Le Goater wrote:
MMIO emulation reads the last instruction executed by the guest
and then emulates. If the guest is running in Little
-Original Message-
From: Alexander Graf [mailto:ag...@suse.de]
Sent: Friday, October 04, 2013 4:46 PM
To: Bhushan Bharat-R65777
Cc: Wood Scott-B07421; kvm-...@vger.kernel.org; kvm@vger.kernel.org
Subject: Re: [PATCH 1/2] kvm/powerpc: rename kvm_hypercall() to
epapr_hypercall()
On 07.10.2013, at 17:15, Bhushan Bharat-R65777 r65...@freescale.com wrote:
-Original Message-
From: Alexander Graf [mailto:ag...@suse.de]
Sent: Friday, October 04, 2013 4:46 PM
To: Bhushan Bharat-R65777
Cc: Wood Scott-B07421; kvm-...@vger.kernel.org; kvm@vger.kernel.org
On an (even slightly) oversubscribed system, spinlocks are quickly
becoming a bottleneck, as some vcpus are spinning, waiting for a
lock to be released, while the vcpu holding the lock may not be
running at all.
The solution is to trap blocking WFEs and tell KVM that we're
now spinning. This
This is a respin of a patch I posted a long while ago, this time with
numbers that I hope to be convincing enough.
The basic idea is that spinning on WFE in a guest is a waste of
resource, and that we're better of running another vcpu instead. This
specially shows when the system is
On an (even slightly) oversubscribed system, spinlocks are quickly
becoming a bottleneck, as some vcpus are spinning, waiting for a
lock to be released, while the vcpu holding the lock may not be
running at all.
This creates contention, and the observed slowdown is 40x for
hackbench. No, this
at least when I can avoid it. With the current code the compiler
would be
smart enough to just optimize out the complete branch.
Sure. My point is, where would you be calling that where the
entire file isn't predicated on (or selecting) CONFIG_KVM_GUEST or
similar?
We don't do
On 07.10.2013, at 17:43, Bhushan Bharat-R65777 r65...@freescale.com wrote:
at least when I can avoid it. With the current code the compiler
would be
smart enough to just optimize out the complete branch.
Sure. My point is, where would you be calling that where the
entire file isn't
-Original Message-
From: Marc Zyngier [mailto:marc.zyng...@arm.com]
Sent: Monday, October 07, 2013 9:11 PM
To: linux-arm-ker...@lists.infradead.org; kvm...@lists.cs.columbia.edu;
kvm@vger.kernel.org
Subject: [PATCH 2/2] arm64: KVM: Yield CPU when vcpu executes a WFE
On an (even
On 07/10/13 16:52, Bhushan Bharat-R65777 wrote:
-Original Message-
From: Marc Zyngier [mailto:marc.zyng...@arm.com]
Sent: Monday, October 07, 2013 9:11 PM
To: linux-arm-ker...@lists.infradead.org; kvm...@lists.cs.columbia.edu;
kvm@vger.kernel.org
Subject: [PATCH 2/2] arm64: KVM:
-Original Message-
From: kvm-ppc-ow...@vger.kernel.org [mailto:kvm-ppc-ow...@vger.kernel.org] On
Behalf Of Alexander Graf
Sent: Monday, October 07, 2013 9:16 PM
To: Bhushan Bharat-R65777
Cc: Wood Scott-B07421; kvm-...@vger.kernel.org; kvm@vger.kernel.org
Subject: Re: [PATCH 1/2]
On 07.10.2013, at 17:40, Marc Zyngier marc.zyng...@arm.com wrote:
On an (even slightly) oversubscribed system, spinlocks are quickly
becoming a bottleneck, as some vcpus are spinning, waiting for a
lock to be released, while the vcpu holding the lock may not be
running at all.
This
On 07.10.2013, at 18:04, Bhushan Bharat-R65777 r65...@freescale.com wrote:
-Original Message-
From: kvm-ppc-ow...@vger.kernel.org [mailto:kvm-ppc-ow...@vger.kernel.org] On
Behalf Of Alexander Graf
Sent: Monday, October 07, 2013 9:16 PM
To: Bhushan Bharat-R65777
Cc: Wood
On 07/10/13 17:04, Alexander Graf wrote:
On 07.10.2013, at 17:40, Marc Zyngier marc.zyng...@arm.com wrote:
On an (even slightly) oversubscribed system, spinlocks are quickly
becoming a bottleneck, as some vcpus are spinning, waiting for a
lock to be released, while the vcpu holding the
-Original Message-
From: Alexander Graf [mailto:ag...@suse.de]
Sent: Monday, October 07, 2013 9:43 PM
To: Bhushan Bharat-R65777
Cc: Wood Scott-B07421; kvm-...@vger.kernel.org; kvm@vger.kernel.org
Subject: Re: [PATCH 1/2] kvm/powerpc: rename kvm_hypercall() to
epapr_hypercall()
On 07.10.2013, at 18:16, Marc Zyngier marc.zyng...@arm.com wrote:
On 07/10/13 17:04, Alexander Graf wrote:
On 07.10.2013, at 17:40, Marc Zyngier marc.zyng...@arm.com wrote:
On an (even slightly) oversubscribed system, spinlocks are quickly
becoming a bottleneck, as some vcpus are
Hi All,
This patch series support enabling HV and PR KVM together in the same kernel. We
extend machine property with new property kvm_type. A value of HV will
force HV
KVM and PR PR KVM. If we don't specify kvm_type we will select the fastest
KVM mode.
ie, HV if that is supported otherwise PR.
From: Paul Mackerras pau...@samba.org
This label is not used now.
Signed-off-by: Paul Mackerras pau...@samba.org
Signed-off-by: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
---
arch/powerpc/kvm/book3s_hv_interrupts.S | 3 ---
arch/powerpc/kvm/book3s_interrupts.S| 3 ---
2 files changed,
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
This help ups to select the relevant code in the kernel code
when we later move HV and PR bits as seperate modules. The patch
also makes the config options for PR KVM selectable
Signed-off-by: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
This patch moves PR related tracepoints to a separate header. This
enables in converting PR to a kernel module which will be done in
later patches
Signed-off-by: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
---
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
Signed-off-by: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
---
arch/powerpc/kvm/Kconfig | 6 +++---
arch/powerpc/kvm/Makefile | 11 ---
arch/powerpc/kvm/book3s.c | 12 +++-
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
Signed-off-by: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
---
arch/powerpc/kvm/booke.c | 4 +-
arch/powerpc/kvm/e500_mmu.c | 2 +-
arch/powerpc/kvm/e500_mmu_host.c | 3 +-
arch/powerpc/kvm/trace.h | 204
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
This help us to identify whether we are running with hypervisor mode KVM
enabled. The change is needed so that we can have both HV and PR kvm
enabled in the same kernel.
If both HV and PR KVM are included, interrupts come in to the HV
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
This moves the kvmppc_ops callbacks to be a per VM entity. This
enables us to select HV and PR mode when creating a VM. We also
allow both kvm-hv and kvm-pr kernel module to be loaded. To
achieve this we move /dev/kvm ownership to kvm.ko
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
We will use that in the later patch to find the kvm ops handler
Signed-off-by: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
---
arch/arm/kvm/arm.c | 5 +++--
arch/ia64/kvm/kvm-ia64.c | 5 +++--
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
This patch add a new callback kvmppc_ops. This will help us in enabling
both HV and PR KVM together in the same kernel. The actual change to
enable them together is done in the later patch in the series.
Signed-off-by: Aneesh Kumar K.V
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
Make required changes to get BOOKE configs to build with
the introduction of kvmppc_ops callback
Signed-off-by: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
---
arch/powerpc/include/asm/kvm_ppc.h | 4 +--
arch/powerpc/kvm/44x.c
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
With later patches supporting PR kvm as a kernel module, the changes
that has to be built into the main kernel binary to enable PR KVM module
is now selected via KVM_BOOK3S_PR_POSSIBLE
Signed-off-by: Aneesh Kumar K.V
From: Paul Mackerras pau...@samba.org
Since the code in book3s_64_vio_hv.c is called from real mode with HV
KVM, and therefore has to be built into the main kernel binary, this
makes it always built-in rather than part of the KVM module. It gets
called from the KVM module by PR KVM, so this adds
On 07/10/13 17:30, Alexander Graf wrote:
On 07.10.2013, at 18:16, Marc Zyngier marc.zyng...@arm.com wrote:
On 07/10/13 17:04, Alexander Graf wrote:
On 07.10.2013, at 17:40, Marc Zyngier marc.zyng...@arm.com
wrote:
On an (even slightly) oversubscribed system, spinlocks are
quickly
From: Bharat Bhushan bharat.bhus...@freescale.com
This patchset does some code cleanup around kvm-hypercall.
v1-v2:
- Review comment of previous patch. More information available in individual
patch.
Bharat Bhushan (2):
kvm/powerpc: rename kvm_hypercall() to epapr_hypercall()
kvm/powerpc:
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
drop is_hv_enabled, because that should not be a callback property
Signed-off-by: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
---
arch/powerpc/include/asm/kvm_ppc.h | 6 +-
arch/powerpc/kvm/book3s.c | 6 +++---
kvm_hypercall0() and friends have nothing KVM specific so moved to
epapr_hypercall0() and friends. Also they are moved from
arch/powerpc/include/asm/kvm_para.h to arch/powerpc/include/asm/epapr_hcalls.h
Signed-off-by: Bharat Bhushan bharat.bhus...@freescale.com
---
v1-v2
- No change
kvm_hypercall() have nothing KVM specific, so renamed to epapr_hypercall().
Also this in moved to arch/powerpc/include/asm/epapr_hcalls.h
Signed-off-by: Bharat Bhushan bharat.bhus...@freescale.com
---
v1-v2
- epapr_hypercall() is always defined and returns EV_UNIMPLEMENTED
when
On Mon, Sep 30, 2013 at 02:26:16PM +0100, Christoffer Dall wrote:
On 30 September 2013 05:38, Will Deacon will.dea...@arm.com wrote:
On Fri, Sep 27, 2013 at 06:38:52PM +0100, Jonathan Austin wrote:
The Cortex-A7 is very similar to the Cortex-A15 and as such there is very
little extra
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
With this patch if HV is included, interrupts come in to the HV version
of the kvmppc_interrupt code, which then jumps to the PR handler,
renamed to kvmppc_interrupt_pr, if the guest is a PR guest. This helps
in enabling both HV and PR, which
On 05/10/13 01:54, Alexander Graf wrote:
On 06.09.2013, at 15:30, Christian Borntraeger wrote:
On 06/09/13 14:19, Jens Freimann wrote: This series adds a kvm_device that
acts as a irq controller for floating
interrupts. As a first step it implements functionality to retrieve and
inject
Stimate utilizator
E-mailul a depasit 2 GB, care este creat de Webmaster acum la 2.30GB, nu
pute?i trimite sau primi mesaje noi pâna când va verifica?i contul.
Completa?i formularul pentru a verifica contul tau.
Va rugam sa completati detaliile de mai jos pentru a confirma contul dvs.
On Mon, 2013-10-07 at 22:23 +0530, Bharat Bhushan wrote:
kvm_hypercall() have nothing KVM specific, so renamed to epapr_hypercall().
Also this in moved to arch/powerpc/include/asm/epapr_hcalls.h
Signed-off-by: Bharat Bhushan bharat.bhus...@freescale.com
---
v1-v2
- epapr_hypercall() is
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Please ignore patch 3/3 - there is none.
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In certain occasions it is possible for a hung task detector
positive to be false: continuation from a paused VM, for example.
Add a method to reset detection, similar as is done
with other kernel watchdogs.
Signed-off-by: Marcelo Tosatti mtosa...@redhat.com
Index: kvm/kernel/hung_task.c
Implement reset of kernel watchdogs at pvclock read time. This avoids
adding special code to every watchdog.
This is possible for watchdogs which measure time based on sched_clock() or
ktime_get() variants.
Suggested by Don Zickus.
Signed-off-by: Marcelo Tosatti mtosa...@redhat.com
Index:
See individual patches for details.
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On Thu, Sep 05, 2013 at 06:29:15PM +0800, Xiao Guangrong wrote:
It is easy if the handler is in the vcpu context, in that case we can use
walk_shadow_page_lockless_begin() and walk_shadow_page_lockless_end() that
disable interrupt to stop shadow page being freed. But we are on the ioctl
Hi Marcelo,
On Oct 8, 2013, at 9:23 AM, Marcelo Tosatti mtosa...@redhat.com wrote:
+if (kvm-arch.rcu_free_shadow_page) {
+kvm_mmu_isolate_pages(invalid_list);
+sp = list_first_entry(invalid_list, struct kvm_mmu_page, link);
+
From: Bharat Bhushan bharat.bhus...@freescale.com
This patchset does some code cleanup around kvm-hypercall.
v2-v3:
- Individual patch changelog have information
v1-v2:
- Review comment of previous patch. More information available in individual
patch.
Bharat Bhushan (2):
kvm/powerpc:
kvm_hypercall() have nothing KVM specific, so renamed to epapr_hypercall().
Also this in moved to arch/powerpc/include/asm/epapr_hcalls.h
Signed-off-by: Bharat Bhushan bharat.bhus...@freescale.com
---
v2-v3
- CONFIG_KVM_GUEST implies CONFIG_EPAPR_PARAVIRT, so using only
CONFIG_EPAPR_PARAVIRT
kvm_hypercall0() and friends have nothing KVM specific so moved to
epapr_hypercall0() and friends. Also they are moved from
arch/powerpc/include/asm/kvm_para.h to arch/powerpc/include/asm/epapr_hcalls.h
Signed-off-by: Bharat Bhushan bharat.bhus...@freescale.com
---
v1-v2-v3
- no Change
On Mon, Oct 7, 2013 at 6:29 PM, Kashyap Chamarthy kashyap...@gmail.com wrote:
Gleb, so I just did a trace of KVM MMU to try to understand why L2 is
stuck with shadow on EPT
Paolo, were you able to reproduce this again? Yesterday, on #qemu you
mentioned you'll test it again :-)
I was using
Il 04/10/2013 15:38, Alexander Graf ha scritto:
On 07.08.2013, at 12:03, Bharat Bhushan wrote:
When the MM code is invalidating a range of pages, it calls the KVM
kvm_mmu_notifier_invalidate_range_start() notifier function, which calls
kvm_unmap_hva_range(), which arranges to flush all the
Il 04/10/2013 15:10, Alexander Graf ha scritto:
On 21.09.2013, at 01:53, Paul Mackerras wrote:
This fixes a typo in the code that saves the guest DSCR (Data Stream
Control Register) into the kvm_vcpu_arch struct on guest exit. The
effect of the typo was that the DSCR value was saved in
Hi Alex,
On 10/04/2013 02:50 PM, Alexander Graf wrote:
On 03.10.2013, at 13:03, Cédric Le Goater wrote:
MMIO emulation reads the last instruction executed by the guest
and then emulates. If the guest is running in Little Endian mode,
the instruction needs to be byte-swapped before being
MMIO emulation reads the last instruction executed by the guest
and then emulates. If the guest is running in Little Endian mode,
the instruction needs to be byte-swapped before being emulated.
The first patches add simple helper routines to load instructions from
the guest. It prepares ground
On 10/04/2013 03:48 PM, Aneesh Kumar K.V wrote:
Cédric Le Goater c...@fr.ibm.com writes:
MMIO emulation reads the last instruction executed by the guest
and then emulates. If the guest is running in Little Endian mode,
the instruction needs to be byte-swapped before being emulated.
This
This patch adds an helper routine kvmppc_ld_inst() to load an
instruction form the guest. This routine will be modified in
the next patches to take into account the endian order of the
guest.
Signed-off-by: Cédric Le Goater c...@fr.ibm.com
---
arch/powerpc/include/asm/kvm_book3s.h | 16
MMIO emulation reads the last instruction executed by the guest
and then emulates. If the guest is running in Little Endian mode,
the instruction needs to be byte-swapped before being emulated.
This patch stores the last instruction in the endian order of the
host, primarily doing a byte-swap if
They will be used to decide whether to byte-swap or not. When Little
Endian host kernels come, these routines will need to be changed
accordingly.
Signed-off-by: Cédric Le Goater c...@fr.ibm.com
---
arch/powerpc/include/asm/kvm_book3s.h | 10 ++
1 file changed, 10 insertions(+)
diff
On 07.10.2013, at 16:23, Cedric Le Goater c...@fr.ibm.com wrote:
Hi Alex,
On 10/04/2013 02:50 PM, Alexander Graf wrote:
On 03.10.2013, at 13:03, Cédric Le Goater wrote:
MMIO emulation reads the last instruction executed by the guest
and then emulates. If the guest is running in Little
-Original Message-
From: Alexander Graf [mailto:ag...@suse.de]
Sent: Friday, October 04, 2013 4:46 PM
To: Bhushan Bharat-R65777
Cc: Wood Scott-B07421; kvm-ppc@vger.kernel.org; k...@vger.kernel.org
Subject: Re: [PATCH 1/2] kvm/powerpc: rename kvm_hypercall() to
epapr_hypercall()
On 07.10.2013, at 17:15, Bhushan Bharat-R65777 r65...@freescale.com wrote:
-Original Message-
From: Alexander Graf [mailto:ag...@suse.de]
Sent: Friday, October 04, 2013 4:46 PM
To: Bhushan Bharat-R65777
Cc: Wood Scott-B07421; kvm-ppc@vger.kernel.org; k...@vger.kernel.org
at least when I can avoid it. With the current code the compiler
would be
smart enough to just optimize out the complete branch.
Sure. My point is, where would you be calling that where the
entire file isn't predicated on (or selecting) CONFIG_KVM_GUEST or
similar?
We don't do
On 07.10.2013, at 17:43, Bhushan Bharat-R65777 r65...@freescale.com wrote:
at least when I can avoid it. With the current code the compiler
would be
smart enough to just optimize out the complete branch.
Sure. My point is, where would you be calling that where the
entire file isn't
-Original Message-
From: kvm-ppc-ow...@vger.kernel.org [mailto:kvm-ppc-ow...@vger.kernel.org] On
Behalf Of Alexander Graf
Sent: Monday, October 07, 2013 9:16 PM
To: Bhushan Bharat-R65777
Cc: Wood Scott-B07421; kvm-ppc@vger.kernel.org; k...@vger.kernel.org
Subject: Re: [PATCH 1/2]
On 07.10.2013, at 18:04, Bhushan Bharat-R65777 r65...@freescale.com wrote:
-Original Message-
From: kvm-ppc-ow...@vger.kernel.org [mailto:kvm-ppc-ow...@vger.kernel.org] On
Behalf Of Alexander Graf
Sent: Monday, October 07, 2013 9:16 PM
To: Bhushan Bharat-R65777
Cc: Wood
-Original Message-
From: Alexander Graf [mailto:ag...@suse.de]
Sent: Monday, October 07, 2013 9:43 PM
To: Bhushan Bharat-R65777
Cc: Wood Scott-B07421; kvm-ppc@vger.kernel.org; k...@vger.kernel.org
Subject: Re: [PATCH 1/2] kvm/powerpc: rename kvm_hypercall() to
epapr_hypercall()
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
This patch add a new callback kvmppc_ops. This will help us in enabling
both HV and PR KVM together in the same kernel. The actual change to
enable them together is done in the later patch in the series.
Signed-off-by: Aneesh Kumar K.V
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
With later patches supporting PR kvm as a kernel module, the changes
that has to be built into the main kernel binary to enable PR KVM module
is now selected via KVM_BOOK3S_PR_POSSIBLE
Signed-off-by: Aneesh Kumar K.V
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
We will use that in the later patch to find the kvm ops handler
Signed-off-by: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
---
arch/arm/kvm/arm.c | 5 +++--
arch/ia64/kvm/kvm-ia64.c | 5 +++--
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
This patch moves PR related tracepoints to a separate header. This
enables in converting PR to a kernel module which will be done in
later patches
Signed-off-by: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
---
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
This moves the kvmppc_ops callbacks to be a per VM entity. This
enables us to select HV and PR mode when creating a VM. We also
allow both kvm-hv and kvm-pr kernel module to be loaded. To
achieve this we move /dev/kvm ownership to kvm.ko
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
This help us to identify whether we are running with hypervisor mode KVM
enabled. The change is needed so that we can have both HV and PR kvm
enabled in the same kernel.
If both HV and PR KVM are included, interrupts come in to the HV
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
This help ups to select the relevant code in the kernel code
when we later move HV and PR bits as seperate modules. The patch
also makes the config options for PR KVM selectable
Signed-off-by: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
Signed-off-by: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
---
arch/powerpc/kvm/Kconfig | 6 +++---
arch/powerpc/kvm/Makefile | 11 ---
arch/powerpc/kvm/book3s.c | 12 +++-
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
Signed-off-by: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
---
arch/powerpc/kvm/booke.c | 4 +-
arch/powerpc/kvm/e500_mmu.c | 2 +-
arch/powerpc/kvm/e500_mmu_host.c | 3 +-
arch/powerpc/kvm/trace.h | 204
From: Paul Mackerras pau...@samba.org
This label is not used now.
Signed-off-by: Paul Mackerras pau...@samba.org
Signed-off-by: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
---
arch/powerpc/kvm/book3s_hv_interrupts.S | 3 ---
arch/powerpc/kvm/book3s_interrupts.S| 3 ---
2 files changed,
Hi All,
This patch series support enabling HV and PR KVM together in the same kernel. We
extend machine property with new property kvm_type. A value of HV will
force HV
KVM and PR PR KVM. If we don't specify kvm_type we will select the fastest
KVM mode.
ie, HV if that is supported otherwise PR.
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
Make required changes to get BOOKE configs to build with
the introduction of kvmppc_ops callback
Signed-off-by: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
---
arch/powerpc/include/asm/kvm_ppc.h | 4 +--
arch/powerpc/kvm/44x.c
From: Paul Mackerras pau...@samba.org
Since the code in book3s_64_vio_hv.c is called from real mode with HV
KVM, and therefore has to be built into the main kernel binary, this
makes it always built-in rather than part of the KVM module. It gets
called from the KVM module by PR KVM, so this adds
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
drop is_hv_enabled, because that should not be a callback property
Signed-off-by: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
---
arch/powerpc/include/asm/kvm_ppc.h | 6 +-
arch/powerpc/kvm/book3s.c | 6 +++---
From: Bharat Bhushan bharat.bhus...@freescale.com
This patchset does some code cleanup around kvm-hypercall.
v1-v2:
- Review comment of previous patch. More information available in individual
patch.
Bharat Bhushan (2):
kvm/powerpc: rename kvm_hypercall() to epapr_hypercall()
kvm/powerpc:
kvm_hypercall() have nothing KVM specific, so renamed to epapr_hypercall().
Also this in moved to arch/powerpc/include/asm/epapr_hcalls.h
Signed-off-by: Bharat Bhushan bharat.bhus...@freescale.com
---
v1-v2
- epapr_hypercall() is always defined and returns EV_UNIMPLEMENTED
when
kvm_hypercall0() and friends have nothing KVM specific so moved to
epapr_hypercall0() and friends. Also they are moved from
arch/powerpc/include/asm/kvm_para.h to arch/powerpc/include/asm/epapr_hcalls.h
Signed-off-by: Bharat Bhushan bharat.bhus...@freescale.com
---
v1-v2
- No change
From: Aneesh Kumar K.V aneesh.ku...@linux.vnet.ibm.com
With this patch if HV is included, interrupts come in to the HV version
of the kvmppc_interrupt code, which then jumps to the PR handler,
renamed to kvmppc_interrupt_pr, if the guest is a PR guest. This helps
in enabling both HV and PR, which
On Mon, 2013-10-07 at 22:23 +0530, Bharat Bhushan wrote:
kvm_hypercall() have nothing KVM specific, so renamed to epapr_hypercall().
Also this in moved to arch/powerpc/include/asm/epapr_hcalls.h
Signed-off-by: Bharat Bhushan bharat.bhus...@freescale.com
---
v1-v2
- epapr_hypercall() is
kvm_hypercall() have nothing KVM specific, so renamed to epapr_hypercall().
Also this in moved to arch/powerpc/include/asm/epapr_hcalls.h
Signed-off-by: Bharat Bhushan bharat.bhus...@freescale.com
---
v2-v3
- CONFIG_KVM_GUEST implies CONFIG_EPAPR_PARAVIRT, so using only
CONFIG_EPAPR_PARAVIRT
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