On Mon, Oct 15, 2012 at 02:28:15PM -0600, Alex Williamson wrote:
This makes use of the new level irqfd support enabling bypass of
qemu userspace both on INTx injection and unmask. This significantly
boosts the performance of devices making use of legacy interrupts.
Signed-off-by: Alex
Setting the same PLE parameter arbitrarily for different
workloads is not a good solution. The solution enables
per domain PLE which gives user ability to set PLE parameter
for different domain for better performance.
Signed-off-by: Xuekun Hu xuekun...@intel.com
---
QEMU: Add -ple-gap and -ple-window options for per domain PLE
Signed-off-by: Xuekun Hu xuekun...@intel.com
---
linux-headers/linux/kvm.h |3 +++
qemu-options.hx | 16
sysemu.h |2 ++
target-i386/kvm.c | 13 +
vl.c
On Fri, 12 Oct 2012, William Dauchy wrote:
This dummy patch remove tabs in help output.
Introduced in commit:
ae9ec23 kvm tools: generate command line options dynamically
Signed-off-by: William Dauchy wdau...@gmail.com
Applied, thanks William!
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Thierry reported that the iron out patch for isolate_freepages_block()
had problems due to the strict check being too strict with mm: compaction:
Iron out isolate_freepages_block() and isolate_freepages_range() -fix1.
It's possible that more pages than necessary are isolated but the check
still
OS: Centos 6.2
KVM version: qemu-kvm-tools-0.12.1.2-2.209.el6_2.4.x86_64
qemu-kvm-0.12.1.2-2.209.el6_2.4.x86_64
uname -a:
Linux myhost 2.6.32-220.7.1.el6.x86_64 #1 SMP Wed Mar 7 00:52:02 GMT 2012
x86_64 x86_64 x86_64 GNU/Linux
Hi,
I have been performance testing a time tracing
-boot and -bootindex
On 15.10.2012, at 12:17, Juan Quintela quint...@redhat.com wrote:
Hi
Please send in any agenda topics you are interested in.
Later, Juan.
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More
Hey all,
I have a question about a solution for migrate LVM based guests directly
over the network.
So the situation: Two KVM hosts with libvirt, multiple LVM based guests
Want to do: Migrate a LVM based guest directly to the other host over an
secure connection
I know that migration is
On 10/16/2012 08:53 AM, Hu, Xuekun wrote:
Setting the same PLE parameter arbitrarily for different
workloads is not a good solution.
True.
The solution enables
per domain PLE which gives user ability to set PLE parameter
for different domain for better performance.
The problem with this
On 10/16/2012 11:12 AM, Lukas Laukamp wrote:
Hey all,
I have a question about a solution for migrate LVM based guests directly
over the network.
So the situation: Two KVM hosts with libvirt, multiple LVM based guests
Want to do: Migrate a LVM based guest directly to the other host over an
On 10/16/2012 05:59 AM, Paul Mackerras wrote:
The mmu_notifier_retry() function, used to test whether any page
invalidations are in progress, currently takes a vcpu pointer, though
the code only needs the VM's struct kvm pointer. Forthcoming patches
to the powerpc Book3S HV code will need to
Am 16.10.2012 11:40, schrieb Avi Kivity:
On 10/16/2012 11:12 AM, Lukas Laukamp wrote:
Hey all,
I have a question about a solution for migrate LVM based guests directly
over the network.
So the situation: Two KVM hosts with libvirt, multiple LVM based guests
Want to do: Migrate a LVM based
On Mon, 15 Oct 2012 18:27:51 +0200
Igor Mammedov imamm...@redhat.com wrote:
CPU as DEVICE
http://lists.gnu.org/archive/html/qemu-devel/2012-10/msg00719.html
latest known tree for testing:
https://github.com/ehabkost/qemu-hacks/commits/work/cpu-devicestate-qdev-core
may
On 16.10.2012, at 11:44, Avi Kivity wrote:
On 10/16/2012 05:59 AM, Paul Mackerras wrote:
The mmu_notifier_retry() function, used to test whether any page
invalidations are in progress, currently takes a vcpu pointer, though
the code only needs the VM's struct kvm pointer. Forthcoming
On 10/16/2012 06:01 AM, Paul Mackerras wrote:
A new ioctl, KVM_PPC_GET_HTAB_FD, returns a file descriptor. Reads on
this fd return the contents of the HPT (hashed page table), writes
create and/or remove entries in the HPT. There is a new capability,
KVM_CAP_PPC_HTAB_FD, to indicate the
On 10/16/2012 11:48 AM, Lukas Laukamp wrote:
Am 16.10.2012 11:40, schrieb Avi Kivity:
On 10/16/2012 11:12 AM, Lukas Laukamp wrote:
Hey all,
I have a question about a solution for migrate LVM based guests directly
over the network.
So the situation: Two KVM hosts with libvirt, multiple LVM
On 10/15/2012 02:02 PM, Alexander Graf wrote:
In order to support vhost, we need to be able to support ioeventfd.
This patch set adds support for ioeventfd to PPC and makes it possible to
do so without implementing irqfd along the way, as it requires an in-kernel
irqchip which we don't have
On 10/15/2012 02:02 PM, Alexander Graf wrote:
The current eventfd code assumes that when we have eventfd, we also have
irqfd for in-kernel interrupt delivery. This is not necessarily true. On
PPC we don't have an in-kernel irqchip yet, but we can still support easily
support eventfd.
Don't
On 16.10.2012, at 12:56, Avi Kivity wrote:
On 10/15/2012 02:02 PM, Alexander Graf wrote:
In order to support vhost, we need to be able to support ioeventfd.
This patch set adds support for ioeventfd to PPC and makes it possible to
do so without implementing irqfd along the way, as it
On 10/16/2012 12:59 PM, Alexander Graf wrote:
On 16.10.2012, at 12:56, Avi Kivity wrote:
On 10/15/2012 02:02 PM, Alexander Graf wrote:
In order to support vhost, we need to be able to support ioeventfd.
This patch set adds support for ioeventfd to PPC and makes it possible to
do so
On 16.10.2012, at 12:57, Avi Kivity wrote:
On 10/15/2012 02:02 PM, Alexander Graf wrote:
The current eventfd code assumes that when we have eventfd, we also have
irqfd for in-kernel interrupt delivery. This is not necessarily true. On
PPC we don't have an in-kernel irqchip yet, but we can
On 16.10.2012, at 13:01, Avi Kivity wrote:
On 10/16/2012 12:59 PM, Alexander Graf wrote:
On 16.10.2012, at 12:56, Avi Kivity wrote:
On 10/15/2012 02:02 PM, Alexander Graf wrote:
In order to support vhost, we need to be able to support ioeventfd.
This patch set adds support for
On Tue, Oct 16, 2012 at 12:06:58PM +0200, Avi Kivity wrote:
On 10/16/2012 06:01 AM, Paul Mackerras wrote:
+4.78 KVM_PPC_GET_HTAB_FD
+
+Capability: KVM_CAP_PPC_HTAB_FD
+Architectures: powerpc
+Type: vm ioctl
+Parameters: Pointer to struct kvm_get_htab_fd (in)
+Returns: file
We can not directly call kvm_release_pfn_clean to release the pfn
since we can meet noslot pfn which is used to cache mmio info into
spte
Signed-off-by: Xiao Guangrong xiaoguangr...@linux.vnet.ibm.com
---
arch/x86/kvm/mmu.c |3 +--
virt/kvm/kvm_main.c |4 +---
2 files changed, 2
Remove mmu_is_invalid and use is_invalid_pfn instead
Signed-off-by: Xiao Guangrong xiaoguangr...@linux.vnet.ibm.com
---
arch/x86/kvm/mmu.c |5 -
arch/x86/kvm/paging_tmpl.h |4 ++--
2 files changed, 2 insertions(+), 7 deletions(-)
diff --git a/arch/x86/kvm/mmu.c
Let it return emulate state instead of spte like __direct_map
Signed-off-by: Xiao Guangrong xiaoguangr...@linux.vnet.ibm.com
---
arch/x86/kvm/paging_tmpl.h | 32 +---
1 files changed, 13 insertions(+), 19 deletions(-)
diff --git a/arch/x86/kvm/paging_tmpl.h
The function does not depend on guest mmu mode, move it out from
paging_tmpl.h
Signed-off-by: Xiao Guangrong xiaoguangr...@linux.vnet.ibm.com
---
arch/x86/kvm/mmu.c | 36
arch/x86/kvm/paging_tmpl.h | 26 +++---
2 files changed,
The only difference between FNAME(update_pte) and FNAME(pte_prefetch)
is that the former is allowed to prefetch gfn from dirty logged slot,
so introduce a common function to prefetch spte
Signed-off-by: Xiao Guangrong xiaoguangr...@linux.vnet.ibm.com
---
arch/x86/kvm/paging_tmpl.h | 55
This patch filters noslot pfn out from error pfns based on Marcelo comment:
noslot pfn is not a error pfn
After this patch,
- is_noslot_pfn indicates that the gfn is not in slot
- is_error_pfn indicates that the gfn is in slot but the error is occurred
when translate the gfn to pfn
-
On 10/16/2012 04:39 AM, Mel Gorman wrote:
Thierry reported that the iron out patch for isolate_freepages_block()
had problems due to the strict check being too strict with mm: compaction:
Iron out isolate_freepages_block() and isolate_freepages_range() -fix1.
It's possible that more pages than
On 10/16/2012 01:58 PM, Paul Mackerras wrote:
On Tue, Oct 16, 2012 at 12:06:58PM +0200, Avi Kivity wrote:
On 10/16/2012 06:01 AM, Paul Mackerras wrote:
+4.78 KVM_PPC_GET_HTAB_FD
+
+Capability: KVM_CAP_PPC_HTAB_FD
+Architectures: powerpc
+Type: vm ioctl
+Parameters: Pointer to struct
On Tue, Oct 16, 2012 at 09:39:27AM +0100, Mel Gorman wrote:
Thierry reported that the iron out patch for isolate_freepages_block()
had problems due to the strict check being too strict with mm: compaction:
Iron out isolate_freepages_block() and isolate_freepages_range() -fix1.
It's possible
Michael S. Tsirkin m...@redhat.com writes:
On Fri, Oct 12, 2012 at 08:21:50PM +1030, Rusty Russell wrote:
Michael S. Tsirkin m...@redhat.com writes:
On Fri, Oct 12, 2012 at 08:59:36AM +1030, Rusty Russell wrote:
For writes, the standard seems to be a commit latch. We could abuse
the
On Tue, Oct 16, 2012 at 11:45:41PM +1030, Rusty Russell wrote:
Michael S. Tsirkin m...@redhat.com writes:
On Fri, Oct 12, 2012 at 08:21:50PM +1030, Rusty Russell wrote:
Michael S. Tsirkin m...@redhat.com writes:
On Fri, Oct 12, 2012 at 08:59:36AM +1030, Rusty Russell wrote:
For writes,
On 10/16/2012 01:06 PM, Alexander Graf wrote:
On 16.10.2012, at 13:01, Avi Kivity wrote:
On 10/16/2012 12:59 PM, Alexander Graf wrote:
On 16.10.2012, at 12:56, Avi Kivity wrote:
On 10/15/2012 02:02 PM, Alexander Graf wrote:
In order to support vhost, we need to be able to support
On Tue, 2012-10-16 at 08:39 +0200, Michael S. Tsirkin wrote:
On Mon, Oct 15, 2012 at 02:28:15PM -0600, Alex Williamson wrote:
This makes use of the new level irqfd support enabling bypass of
qemu userspace both on INTx injection and unmask. This significantly
boosts the performance of
Michael S. Tsirkin m...@redhat.com writes:
On Tue, Oct 16, 2012 at 11:45:41PM +1030, Rusty Russell wrote:
Michael S. Tsirkin m...@redhat.com writes:
I was assuming the implementation would keep two complete copies of the
config space: writes go to the scratch version, which gets copied to the
On Tue, Oct 16, 2012 at 07:51:43AM -0600, Alex Williamson wrote:
On Tue, 2012-10-16 at 08:39 +0200, Michael S. Tsirkin wrote:
On Mon, Oct 15, 2012 at 02:28:15PM -0600, Alex Williamson wrote:
This makes use of the new level irqfd support enabling bypass of
qemu userspace both on INTx
On Tue, 2012-10-16 at 16:14 +0200, Michael S. Tsirkin wrote:
On Tue, Oct 16, 2012 at 07:51:43AM -0600, Alex Williamson wrote:
On Tue, 2012-10-16 at 08:39 +0200, Michael S. Tsirkin wrote:
On Mon, Oct 15, 2012 at 02:28:15PM -0600, Alex Williamson wrote:
This makes use of the new level
On 10/16/2012 03:47 PM, Avi Kivity wrote:
On 10/16/2012 01:06 PM, Alexander Graf wrote:
On 16.10.2012, at 13:01, Avi Kivity wrote:
On 10/16/2012 12:59 PM, Alexander Graf wrote:
On 16.10.2012, at 12:56, Avi Kivity wrote:
On 10/15/2012 02:02 PM, Alexander Graf wrote:
In order to support
2012-10-16
--
- cpu as dev
making qdev available to all parts of qemu is the best solution (aliguory)
how does linux-user people think about it?
Eduardo will follow
Objections:
* conceptually it makes no sense to have devices on *-user
* desire of linux-user to maintain the
On 10/16/2012 01:57 PM, Rohan Sharma wrote:
Is there a way to flush ept entries in qemu-kvm.
No.
--
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More majordomo
On Tue, Oct 16, 2012 at 08:48:04AM -0600, Alex Williamson wrote:
On Tue, 2012-10-16 at 16:14 +0200, Michael S. Tsirkin wrote:
On Tue, Oct 16, 2012 at 07:51:43AM -0600, Alex Williamson wrote:
On Tue, 2012-10-16 at 08:39 +0200, Michael S. Tsirkin wrote:
On Mon, Oct 15, 2012 at 02:28:15PM
On Tue, 2012-10-16 at 17:08 +0200, Michael S. Tsirkin wrote:
On Tue, Oct 16, 2012 at 08:48:04AM -0600, Alex Williamson wrote:
On Tue, 2012-10-16 at 16:14 +0200, Michael S. Tsirkin wrote:
On Tue, Oct 16, 2012 at 07:51:43AM -0600, Alex Williamson wrote:
On Tue, 2012-10-16 at 08:39 +0200,
On Tue, Oct 16, 2012 at 09:13:15AM -0600, Alex Williamson wrote:
There's no chance we ship e.g. q35 by mistake without this API: since
there is no way this specific assert can be missed in even basic
testing:
So I see it differently:
As coded here:
chipset authors get lazy
Hi,
I'm experiencing I/O errors in a guest machine after migrating it from one
host to another, and then back to the original host. After doing this, I find
the following in the dmesg output of the guest machine:
[ 345.390543] end_request: I/O error, dev vda, sector 273871
[ 345.391125]
On Tue, 2012-10-16 at 17:23 +0200, Michael S. Tsirkin wrote:
On Tue, Oct 16, 2012 at 09:13:15AM -0600, Alex Williamson wrote:
There's no chance we ship e.g. q35 by mistake without this API: since
there is no way this specific assert can be missed in even basic
testing:
So I see it
On Tue, Oct 16, 2012 at 10:49:38AM -0600, Alex Williamson wrote:
On Tue, 2012-10-16 at 17:23 +0200, Michael S. Tsirkin wrote:
On Tue, Oct 16, 2012 at 09:13:15AM -0600, Alex Williamson wrote:
There's no chance we ship e.g. q35 by mistake without this API: since
there is no way this
On Tuesday, October 16, 2012 11:33:44 AM Guido Winkelmann wrote:
Hi,
I'm experiencing I/O errors in a guest machine after migrating it from one
host to another, and then back to the original host. After doing this, I
find the following in the dmesg output of the guest machine:
[
Originally from Jeremy Fitzhardinge.
Introduce generic, non hypervisor specific, pvclock initialization
routines.
Signed-off-by: Marcelo Tosatti mtosa...@redhat.com
Index: vsyscall/arch/x86/kernel/pvclock.c
===
---
Signed-off-by: Marcelo Tosatti mtosa...@redhat.com
Index: vsyscall/arch/x86/kernel/pvclock.c
===
--- vsyscall.orig/arch/x86/kernel/pvclock.c
+++ vsyscall/arch/x86/kernel/pvclock.c
@@ -45,6 +45,19 @@ void pvclock_resume(void)
Allow the caller to pass host tsc value to kvm_x86_ops-read_l1_tsc().
Signed-off-by: Marcelo Tosatti mtosa...@redhat.com
Index: vsyscall/arch/x86/include/asm/kvm_host.h
===
--- vsyscall.orig/arch/x86/include/asm/kvm_host.h
+++
KVM added a global variable to guarantee monotonicity in the guest.
It is necessary because the time between
1. ktime_get_ts(timespec);
2. rdtscll(tsc);
Is variable. That is, given a host with stable TSC, suppose that
two VCPUs read the same time via ktime_get_ts() above.
The
As suggested by John, export time data similarly to how its
by vsyscall support. This allows KVM to retrieve necessary
information to implement vsyscall support in KVM guests.
Signed-off-by: Marcelo Tosatti mtosa...@redhat.com
Index: vsyscall/include/linux/pvclock_gtod.h
Originally from Jeremy Fitzhardinge.
We can copy the information directly from struct pvclock_vcpu_time_info,
remove pvclock_shadow_time.
Signed-off-by: Marcelo Tosatti mtosa...@redhat.com
Index: vsyscall/arch/x86/kernel/pvclock.c
Validity of values returned by pvclock (including flags) is guaranteed by
version
checks.
That is, read of src-flags outside version check protection can refer
to a different paravirt clock update by the hypervisor.
Signed-off-by: Marcelo Tosatti mtosa...@redhat.com
Index:
Improve performance of time system calls when using Linux pvclock,
by reading time info from fixmap visible copy of pvclock data.
Originally from Jeremy Fitzhardinge.
Signed-off-by: Marcelo Tosatti mtosa...@redhat.com
Index: vsyscall/arch/x86/vdso/vclock_gettime.c
Allow hypervisor to update userspace visible copy of
pvclock data.
Signed-off-by: Marcelo Tosatti mtosa...@redhat.com
Index: vsyscall/arch/x86/kernel/kvmclock.c
===
--- vsyscall.orig/arch/x86/kernel/kvmclock.c
+++
Originally from Jeremy Fitzhardinge.
Signed-off-by: Marcelo Tosatti mtosa...@redhat.com
Index: vsyscall/include/linux/sched.h
===
--- vsyscall.orig/include/linux/sched.h
+++ vsyscall/include/linux/sched.h
@@ -107,6 +107,14 @@ extern
Allow a guest to register a second location for the VCPU time info
structure for each vcpu (as described by MSR_KVM_SYSTEM_TIME_NEW).
This is intended to allow the guest kernel to map this information
into a usermode accessible page, so that usermode can efficiently
calculate system time from the
This patchset, based on earlier work by Jeremy Fitzhardinge, implements
paravirtual clock vsyscall support.
It should be possible to implement Xen support relatively easily.
It reduces clock_gettime from 500 cycles to 200 cycles
on my testbox (including an mfence, that measurement).
NOTE:
Required by next patch.
Signed-off-by: Marcelo Tosatti mtosa...@redhat.com
Index: vsyscall/arch/x86/vdso/vclock_gettime.c
===
--- vsyscall.orig/arch/x86/vdso/vclock_gettime.c
+++ vsyscall/arch/x86/vdso/vclock_gettime.c
@@ -80,7
Originally from Jeremy Fitzhardinge.
pvclock_get_time_values, which contains the memory barriers
will be removed by next patch.
Signed-off-by: Marcelo Tosatti mtosa...@redhat.com
Index: vsyscall/arch/x86/kernel/pvclock.c
===
---
Originally from Jeremy Fitzhardinge.
So code can be reused.
Signed-off-by: Marcelo Tosatti mtosa...@redhat.com
Index: vsyscall/arch/x86/kernel/pvclock.c
===
--- vsyscall.orig/arch/x86/kernel/pvclock.c
+++
Otherwise its possible for an unrelated KVM_REQ_UPDATE_CLOCK (such as due to CPU
migration) to clear the bit.
Noticed by Paolo Bonzini.
Signed-off-by: Marcelo Tosatti mtosa...@redhat.com
Index: vsyscall/arch/x86/kvm/x86.c
===
---
Thanks for the reply.
I have one more question.
If I do munmap of the RAM allocated in qemu,
will the changes be reflected in KVM Ept.
I guess there is some mmu notifier which ensures that entries of EPT
are synced with the host entries.
On Tue, Oct 16, 2012 at 8:27 PM, Avi Kivity a...@redhat.com
Avi Kivity a...@redhat.com writes:
On 10/16/2012 01:58 PM, Paul Mackerras wrote:
On Tue, Oct 16, 2012 at 12:06:58PM +0200, Avi Kivity wrote:
On 10/16/2012 06:01 AM, Paul Mackerras wrote:
+4.78 KVM_PPC_GET_HTAB_FD
+
+Capability: KVM_CAP_PPC_HTAB_FD
+Architectures: powerpc
+Type: vm
On Tue, Oct 16, 2012 at 03:06:33PM +0200, Avi Kivity wrote:
On 10/16/2012 01:58 PM, Paul Mackerras wrote:
On Tue, Oct 16, 2012 at 12:06:58PM +0200, Avi Kivity wrote:
Does/should the fd support O_NONBLOCK and poll? (=waiting for an entry
to change).
No.
This forces userspace to
Modify the amount of stealtime that the kernel reports via the /proc interface.
Steal time will now be broken down into steal_time and consigned_time.
Consigned_time will represent the amount of time that is expected to be lost
due to overcommitment of the physical cpu or by using cpu capping.
Add the code to send the consigned time from the host to the guest
Signed-off-by: Michael Wolf m...@linux.vnet.ibm.com
---
arch/x86/include/asm/kvm_host.h |1 +
arch/x86/include/asm/kvm_para.h |3 ++-
arch/x86/include/asm/paravirt.h |4 ++--
arch/x86/kernel/kvm.c |3 ++-
Add an ioctl to communicate the consign limit to the host.
Signed-off-by: Michael Wolf m...@linux.vnet.ibm.com
---
arch/x86/kvm/x86.c |6 ++
include/linux/kvm.h |2 ++
include/linux/kvm_host.h |2 ++
virt/kvm/kvm_main.c |7 +++
4 files changed, 17
Signed-off-by: Will Auld will.a...@intel.com
---
Resending to full list
Marcelo,
This patch is what I believe you ask for as foundational for later
patches to address IA32_TSC_ADJUST.
Thanks,
Will
arch/x86/include/asm/kvm_host.h | 8
arch/x86/kvm/svm.c | 18
Add a timer to the host. This will define the period. During a period
the first n ticks will go into the consigned bucket. Any other ticks that
occur within the period will be placed in the stealtime bucket.
Signed-off-by: Michael Wolf m...@linux.vnet.ibm.com
---
In the case of where you have a system that is running in a
capped or overcommitted environment the user may see steal time
being reported in accounting tools such as top or vmstat. This can
cause confusion for the end user. To ease the confusion this patch set
adds the idea of consigned
Add a consigned field. This field will hold the time lost due to capping or
overcommit.
The rest of the time will still show up in the steal-time field.
Signed-off-by: Michael Wolf m...@linux.vnet.ibm.com
---
arch/x86/include/asm/paravirt.h |4 ++--
arch/x86/kernel/kvm.c |7
For pCPU/core and VCPUS/logical cpu mapping, It should be 8 multiple. 254 is
reasonable. Or something I miss?
-Original Message-
From: kvm-ow...@vger.kernel.org [mailto:kvm-ow...@vger.kernel.org] On Behalf Of
Vinod, Chegu
Sent: Sunday, October 14, 2012 9:43 PM
To: Gleb Natapov
Cc: Sasha
VM exits during Event Delivery is really unexpected if it is not caused
by Exceptions/EPT-VIOLATION/TASK_SWITCH, we'd better to report an internal
and freeze the guest, the VMM has the chance to check the guest
Signed-off-by: Xiao Guangrong xiaoguangr...@linux.vnet.ibm.com
---
arch/x86/kvm/vmx.c
The #PF with PFEC.RSV = 1 indicates that the guest is accessing MMIO, we
can not fix it if it is caused by delivery event. Reporting internal error
for this case
Signed-off-by: Xiao Guangrong xiaoguangr...@linux.vnet.ibm.com
---
arch/x86/kvm/vmx.c | 26 --
1 files
On Tue, 2012-10-16 at 14:13 +1100, Paul Mackerras wrote:
Michael,
On Tue, Oct 16, 2012 at 11:15:50AM +1100, Michael Ellerman wrote:
In the Book3s HV code, kvmppc_run_core() has logic to grab the secondary
threads of the physical core.
If for some reason a thread is stuck,
On 16.10.2012, at 05:08, Paul Mackerras pau...@samba.org wrote:
On Mon, Oct 15, 2012 at 02:00:54PM +0200, Alexander Graf wrote:
Sorry, I can't accept patches that haven't shown up on kvm@vger. Please send
this patch set again with CC to kvm@vger.
Done; I didn't cc kvm-ppc this time
On 10/16/2012 05:59 AM, Paul Mackerras wrote:
The mmu_notifier_retry() function, used to test whether any page
invalidations are in progress, currently takes a vcpu pointer, though
the code only needs the VM's struct kvm pointer. Forthcoming patches
to the powerpc Book3S HV code will need to
On 16.10.2012, at 11:44, Avi Kivity wrote:
On 10/16/2012 05:59 AM, Paul Mackerras wrote:
The mmu_notifier_retry() function, used to test whether any page
invalidations are in progress, currently takes a vcpu pointer, though
the code only needs the VM's struct kvm pointer. Forthcoming
On 10/16/2012 06:01 AM, Paul Mackerras wrote:
A new ioctl, KVM_PPC_GET_HTAB_FD, returns a file descriptor. Reads on
this fd return the contents of the HPT (hashed page table), writes
create and/or remove entries in the HPT. There is a new capability,
KVM_CAP_PPC_HTAB_FD, to indicate the
On 10/15/2012 02:02 PM, Alexander Graf wrote:
In order to support vhost, we need to be able to support ioeventfd.
This patch set adds support for ioeventfd to PPC and makes it possible to
do so without implementing irqfd along the way, as it requires an in-kernel
irqchip which we don't have
On 10/16/2012 12:59 PM, Alexander Graf wrote:
On 16.10.2012, at 12:56, Avi Kivity wrote:
On 10/15/2012 02:02 PM, Alexander Graf wrote:
In order to support vhost, we need to be able to support ioeventfd.
This patch set adds support for ioeventfd to PPC and makes it possible to
do so
On 16.10.2012, at 12:57, Avi Kivity wrote:
On 10/15/2012 02:02 PM, Alexander Graf wrote:
The current eventfd code assumes that when we have eventfd, we also have
irqfd for in-kernel interrupt delivery. This is not necessarily true. On
PPC we don't have an in-kernel irqchip yet, but we can
On 16.10.2012, at 13:01, Avi Kivity wrote:
On 10/16/2012 12:59 PM, Alexander Graf wrote:
On 16.10.2012, at 12:56, Avi Kivity wrote:
On 10/15/2012 02:02 PM, Alexander Graf wrote:
In order to support vhost, we need to be able to support ioeventfd.
This patch set adds support for
On Tue, Oct 16, 2012 at 12:06:58PM +0200, Avi Kivity wrote:
On 10/16/2012 06:01 AM, Paul Mackerras wrote:
+4.78 KVM_PPC_GET_HTAB_FD
+
+Capability: KVM_CAP_PPC_HTAB_FD
+Architectures: powerpc
+Type: vm ioctl
+Parameters: Pointer to struct kvm_get_htab_fd (in)
+Returns: file
On 10/16/2012 01:58 PM, Paul Mackerras wrote:
On Tue, Oct 16, 2012 at 12:06:58PM +0200, Avi Kivity wrote:
On 10/16/2012 06:01 AM, Paul Mackerras wrote:
+4.78 KVM_PPC_GET_HTAB_FD
+
+Capability: KVM_CAP_PPC_HTAB_FD
+Architectures: powerpc
+Type: vm ioctl
+Parameters: Pointer to struct
On 10/16/2012 01:06 PM, Alexander Graf wrote:
On 16.10.2012, at 13:01, Avi Kivity wrote:
On 10/16/2012 12:59 PM, Alexander Graf wrote:
On 16.10.2012, at 12:56, Avi Kivity wrote:
On 10/15/2012 02:02 PM, Alexander Graf wrote:
In order to support vhost, we need to be able to support
On 10/16/2012 03:47 PM, Avi Kivity wrote:
On 10/16/2012 01:06 PM, Alexander Graf wrote:
On 16.10.2012, at 13:01, Avi Kivity wrote:
On 10/16/2012 12:59 PM, Alexander Graf wrote:
On 16.10.2012, at 12:56, Avi Kivity wrote:
On 10/15/2012 02:02 PM, Alexander Graf wrote:
In order to support
On Tue, 2012-10-16 at 17:00 +1100, Michael Ellerman wrote:
Thanks for looking at this - but in fact this is fixed by my patch
entitled KVM: PPC: Book3S HV: Fix some races in starting secondary
threads submitted back on August 28.
OK thanks. It seems that patch didn't make 3.7 ?
I don't
Avi Kivity a...@redhat.com writes:
On 10/16/2012 01:58 PM, Paul Mackerras wrote:
On Tue, Oct 16, 2012 at 12:06:58PM +0200, Avi Kivity wrote:
On 10/16/2012 06:01 AM, Paul Mackerras wrote:
+4.78 KVM_PPC_GET_HTAB_FD
+
+Capability: KVM_CAP_PPC_HTAB_FD
+Architectures: powerpc
+Type: vm
On Tue, Oct 16, 2012 at 03:06:33PM +0200, Avi Kivity wrote:
On 10/16/2012 01:58 PM, Paul Mackerras wrote:
On Tue, Oct 16, 2012 at 12:06:58PM +0200, Avi Kivity wrote:
Does/should the fd support O_NONBLOCK and poll? (=waiting for an entry
to change).
No.
This forces userspace to
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