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On 03/08/2010 10:19 PM, Michael Tokarev wrote:
Michael Tokarev wrote:
[]
Apparently that does not quite work. I just re-compiled kvm with
--enable-linux-aio (actually I just installed libaio-dev on debian
and qemu-kvm's configure picked it up automatically), and tried
a guest. But any I/O
On 03/08/2010 11:27 PM, Nikola Ciprich wrote:
It's faster.
Hi Avi,
Could You give some rough estimate on how much faster?
The standard it depends on the workload.
I'm stuck with glibc-2.5 now, but I'm always eager to improve performance,
so I wonder if it would make sense to
Avi Kivity wrote:
On 03/08/2010 10:19 PM, Michael Tokarev wrote:
Michael Tokarev wrote:
[]
Apparently that does not quite work. I just re-compiled kvm with
--enable-linux-aio (actually I just installed libaio-dev on debian
and qemu-kvm's configure picked it up automatically), and tried
Portable Ladders - New Catalogue
SKYLAX ladders · clean · insulating · antistatic
Smart Catalogue: http://www.skylax.com/pdf/smartcatalog.pdf (90 pages)
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Katalog: http://www.skylax.com/pdf/Katalog.pdf (90 Seiten mit
complete_pio() may use slot table which is protected by srcu.
Signed-off-by: Gleb Natapov g...@redhat.com
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 703f637..3753c11 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -4519,7 +4519,9 @@ int kvm_arch_vcpu_ioctl_run(struct
On 03/09/2010 11:19 AM, Michael Tokarev wrote:
Can you elaborate? This sounds like a bug that wants to be fixed.
http://thread.gmane.org/gmane.linux.kernel.aio.general/2891
It's missing compat_ioctl for some of the aio opcodes, namely
it's PREADV and PWRITE - the only ones used by kvm
On 09.03.2010, at 07:13, Wei Yongjun wrote:
If fail to create the vcpu, we should not create the debugfs
for it.
Signed-off-by: Wei Yongjun yj...@cn.fujitsu.com
Good catch.
I guess a goto out kind of construct would be better, but for a single line of
code this is enough. And whoever
On Monday 08 March 2010, Cam Macdonell wrote:
enum ivshmem_registers {
IntrMask = 0,
IntrStatus = 2,
Doorbell = 4,
IVPosition = 6,
IVLiveList = 8
};
The first two registers are the interrupt mask and status registers.
Interrupts are triggered when a message is
On 03/08/2010 08:03 PM, Alexander Graf wrote:
Userspace can tell us that it wants to trigger an interrupt. But
so far it can't tell us that it wants to stop triggering one.
So let's interpret the parameter to the ioctl that we have anyways
to tell us if we want to raise or lower the interrupt
On 03/02/2010 08:25 PM, Glauber Costa wrote:
On Tue, Mar 02, 2010 at 01:31:35AM -0300, Marcelo Tosatti wrote:
On Fri, Feb 26, 2010 at 05:12:20PM -0300, Glauber Costa wrote:
Now that we have all devices set up, this patch initializes the irqchip.
This is dependant on the io-thread,
On 09.03.2010, at 14:00, Avi Kivity wrote:
On 03/08/2010 08:03 PM, Alexander Graf wrote:
MOL uses its own hypercall interface to call back into userspace when
the guest wants to do something.
So let's implement that as an exit reason, specify it with a CAP and
only really use it when
On 03/09/2010 03:01 PM, Alexander Graf wrote:
On 09.03.2010, at 13:56, Avi Kivity wrote:
On 03/08/2010 08:03 PM, Alexander Graf wrote:
Some times we don't want all capabilities to be available to all
our vcpus. One example for that is the OSI interface, implemented
in the next
On 09.03.2010, at 14:11, Avi Kivity wrote:
On 03/09/2010 03:04 PM, Alexander Graf wrote:
+ /* KVM_EXIT_OSI */
+ struct {
+ __u64 gprs[32];
+ } osi;
+
+MOL uses a special hypercall interface it calls 'OSI'. To enable it, we
catch
+hypercalls
As it is hard to guarantee that a qcow2 image will be in a
consistent state with a VM turned on, take an extra safety
step and make sure the preprocessor shuts down the VMs
before the post process command check_image.py runs.
Signed-off-by: Lucas Meneghel Rodrigues l...@redhat.com
---
On 03/09/2010 08:13 AM, Wei Yongjun wrote:
If fail to create the vcpu, we should not create the debugfs
for it.
Applied, thanks.
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On 03/09/2010 12:01 PM, Gleb Natapov wrote:
complete_pio() may use slot table which is protected by srcu.
Applied, thanks.
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On 09.03.2010, at 13:56, Avi Kivity wrote:
On 03/08/2010 08:03 PM, Alexander Graf wrote:
Some times we don't want all capabilities to be available to all
our vcpus. One example for that is the OSI interface, implemented
in the next patch.
In order to have a generic mechanism in how to
On 03/09/2010 03:04 PM, Alexander Graf wrote:
+ /* KVM_EXIT_OSI */
+ struct {
+ __u64 gprs[32];
+ } osi;
+
+MOL uses a special hypercall interface it calls 'OSI'. To enable it, we catch
+hypercalls and exit with this exit struct
On 09.03.2010, at 13:50, Avi Kivity wrote:
On 03/08/2010 08:03 PM, Alexander Graf wrote:
Userspace can tell us that it wants to trigger an interrupt. But
so far it can't tell us that it wants to stop triggering one.
So let's interpret the parameter to the ioctl that we have anyways
to
On 03/09/2010 02:54 PM, Alexander Graf wrote:
On 09.03.2010, at 13:50, Avi Kivity wrote:
On 03/08/2010 08:03 PM, Alexander Graf wrote:
Userspace can tell us that it wants to trigger an interrupt. But
so far it can't tell us that it wants to stop triggering one.
So let's interpret
On 03/09/2010 02:47 AM, Marcelo Tosatti wrote:
Prepare kvm-tpr-opt.c for upstream merge.
Applied, thanks.
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On 03/09/2010 03:12 PM, Alexander Graf wrote:
On 09.03.2010, at 14:11, Avi Kivity wrote:
On 03/09/2010 03:04 PM, Alexander Graf wrote:
+ /* KVM_EXIT_OSI */
+ struct {
+ __u64 gprs[32];
+ } osi;
+
+MOL uses a
On 02/26/2010 10:12 PM, Glauber Costa wrote:
It is actually not necessary to call a tpr function to save and load cr8,
as cr8 is part of the processor state, and thus, it is much easier
to just add it to CPUState.
As for apic base, wrap kvm usages, so we can call either the qemu device,
or the
Signed-off-by: Gleb Natapov g...@redhat.com
---
arch/x86/kvm/emulate.c | 10 +-
1 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 094d17c..81ecf47 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@
Provide get_cached_descriptor(), set_cached_descriptor(),
get_segment_selector(), set_segment_selector(), get_gdt(),
write_std() callbacks.
Signed-off-by: Gleb Natapov g...@redhat.com
---
arch/x86/include/asm/kvm_emulate.h | 16 +
arch/x86/kvm/x86.c | 130
When x86_emulate_insn() does not know how to emulate instruction it
exits via cannot_emulate label in all cases except when emulating
grp3. Fix that.
Signed-off-by: Gleb Natapov g...@redhat.com
---
arch/x86/kvm/emulate.c | 12
1 files changed, 4 insertions(+), 8 deletions(-)
diff
If CR4.DE=1 access to registers DR4/DR5 cause #UD.
Signed-off-by: Gleb Natapov g...@redhat.com
---
arch/x86/kvm/emulate.c | 18 --
1 files changed, 12 insertions(+), 6 deletions(-)
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 5ba082a..dcb9720 100644
---
Signed-off-by: Gleb Natapov g...@redhat.com
---
arch/x86/kvm/emulate.c |7 +++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 54e62dc..5ba082a 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2516,6
mov r/m, sreg generates #UD ins sreg is incorrect.
Signed-off-by: Gleb Natapov g...@redhat.com
---
arch/x86/kvm/emulate.c |7 +++
1 files changed, 3 insertions(+), 4 deletions(-)
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 2cc9ef4..2df510b 100644
---
Resent spec says that for 0f (20|21|22|23) the 2 bits in the mod field
are ignored. Interestingly enough older spec says that 11 is only valid
encoding.
Signed-off-by: Gleb Natapov g...@redhat.com
---
arch/x86/kvm/emulate.c |8
1 files changed, 0 insertions(+), 8 deletions(-)
diff
Eliminate the need to call back into KVM to get it from emulator.
Signed-off-by: Gleb Natapov g...@redhat.com
---
arch/x86/include/asm/kvm_emulate.h |1 +
arch/x86/kvm/emulate.c |6 +++---
arch/x86/kvm/x86.c |1 +
3 files changed, 5 insertions(+), 3
c-eip is never written back in case of emulation failure, so no need to
set it to old value.
Signed-off-by: Gleb Natapov g...@redhat.com
---
arch/x86/kvm/emulate.c |9 +
1 files changed, 1 insertions(+), 8 deletions(-)
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
If LOCK prefix is used dest arg should be memory, otherwise instruction
should generate #UD.
Signed-off-by: Gleb Natapov g...@redhat.com
---
arch/x86/kvm/emulate.c |2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index
Signed-off-by: Gleb Natapov g...@redhat.com
---
arch/x86/kvm/emulate.c |4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 6381df9..45ded7f 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2559,7
in/out emulation is broken now. The breakage is different depending
on where IO device resides. If it is in userspace emulator reports
emulation failure since it incorrectly interprets kvm_emulate_pio()
return value. If IO device is in the kernel emulation of 'in' will do
nothing since
Return X86EMUL_PROPAGATE_FAULT is fault was injected. Also inject #UD
for those instruction when appropriate.
Signed-off-by: Gleb Natapov g...@redhat.com
---
arch/x86/kvm/emulate.c | 17 +++--
1 files changed, 11 insertions(+), 6 deletions(-)
diff --git a/arch/x86/kvm/emulate.c
On 03/09/2010 04:09 PM, Gleb Natapov wrote:
Use this callback instead of directly call kvm function. Also rename
realmode_(set|get)_cr to emulator_(set|get)_cr since function has nothing
to do with real mode.
+ ulong (*get_cr)(int cr, struct kvm_vcpu *vcpu);
+ void (*set_cr)(int
Use (get|set)_cr callback to emulate lmsw inside emulator.
Signed-off-by: Gleb Natapov g...@redhat.com
---
arch/x86/include/asm/kvm_host.h |2 --
arch/x86/kvm/emulate.c |4 ++--
arch/x86/kvm/x86.c |7 ---
3 files changed, 2 insertions(+), 11 deletions(-)
This is the first series of patches that tries to cleanup emulator code.
This is mix of bug fixes and moving code that does emulation from x86.c
to emulator.c while making it KVM independent. The status of the patches:
works for me. realtime.flat test now also pass where it failed before.
Gleb
Remove old task switch code from x86.c
Signed-off-by: Gleb Natapov g...@redhat.com
---
arch/x86/kvm/x86.c | 558 ++--
1 files changed, 18 insertions(+), 540 deletions(-)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index f89502d..5171696
Currently emulation is done outside of emulator so things like doing
ins/outs to/from mmio are broken it also makes it hard (if not impossible)
to implement single stepping in the future. The implementation in this
patch is not efficient since it exits to userspace for each IO while
previous
To optimize rep ins instruction do IO in big chunks ahead of time
instead of doing it only when required during instruction emulation.
Signed-off-by: Gleb Natapov g...@redhat.com
---
arch/x86/include/asm/kvm_emulate.h |7 +++
arch/x86/kvm/emulate.c | 34
It is undefined and should generate #UD.
Signed-off-by: Gleb Natapov g...@redhat.com
---
arch/x86/kvm/emulate.c |3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 2df510b..1a32b78 100644
--- a/arch/x86/kvm/emulate.c
Implement emulation of 16/32 bit task switch in emulator.c
Signed-off-by: Gleb Natapov g...@redhat.com
---
arch/x86/include/asm/kvm_emulate.h |5 +
arch/x86/kvm/emulate.c | 564
2 files changed, 569 insertions(+), 0 deletions(-)
diff --git
Currently when string instruction is only partially complete we go back
to a guest mode, guest tries to reexecute instruction and exits again
and at this point emulation continues. Avoid all of this by restarting
instruction without going back to a guest mode.
Signed-off-by: Gleb Natapov
On 03/09/2010 04:09 PM, Gleb Natapov wrote:
Provide get_cached_descriptor(), set_cached_descriptor(),
get_segment_selector(), set_segment_selector(), get_gdt(),
write_std() callbacks.
Signed-off-by: Gleb Natapovg...@redhat.com
---
arch/x86/include/asm/kvm_emulate.h | 16 +
On 03/09/2010 04:09 PM, Gleb Natapov wrote:
in/out emulation is broken now. The breakage is different depending
on where IO device resides. If it is in userspace emulator reports
emulation failure since it incorrectly interprets kvm_emulate_pio()
return value. If IO device is in the kernel
On 03/09/2010 07:32 AM, Avi Kivity wrote:
On 03/02/2010 04:36 AM, Anthony Liguori wrote:
I keep a patch in the SUSE version for quite some time now that
bumps the default to 384 for qemu-kvm. That was the first round
number where an openSUSE installation worked.
If someone works up a patch
On 03/09/2010 08:38 AM, Alexander Graf wrote:
On 09.03.2010, at 15:32, Dustin Kirkland wrote:
On Tue, 2010-03-09 at 15:32 +0200, Avi Kivity wrote:
On 03/02/2010 04:36 AM, Anthony Liguori wrote:
I keep a patch in the SUSE version for quite some time now that bumps
the
On 03/09/2010 04:09 PM, Gleb Natapov wrote:
Currently when string instruction is only partially complete we go back
to a guest mode, guest tries to reexecute instruction and exits again
and at this point emulation continues. Avoid all of this by restarting
instruction without going back to a
On 03/09/2010 04:50 PM, Anthony Liguori wrote:
It's all in the openSUSE build service. The direct access URL (login
required FWIW) is here:
https://build.opensuse.org/package/view_file?file=kvm-qemu-default-memsize.patchpackage=kvmproject=Virtualization
It merely changes DEFAULT_RAM_SIZE
On 09.03.2010, at 15:32, Dustin Kirkland wrote:
On Tue, 2010-03-09 at 15:32 +0200, Avi Kivity wrote:
On 03/02/2010 04:36 AM, Anthony Liguori wrote:
I keep a patch in the SUSE version for quite some time now that bumps
the default to 384 for qemu-kvm. That was the first round number
where
On 03/09/2010 04:49 PM, Anthony Liguori wrote:
On 03/09/2010 07:32 AM, Avi Kivity wrote:
On 03/02/2010 04:36 AM, Anthony Liguori wrote:
I keep a patch in the SUSE version for quite some time now that
bumps the default to 384 for qemu-kvm. That was the first round
number where an openSUSE
On 03/09/2010 08:52 AM, Avi Kivity wrote:
On 03/09/2010 04:50 PM, Anthony Liguori wrote:
It's all in the openSUSE build service. The direct access URL (login
required FWIW) is here:
On Thu, 2010-03-04 at 19:30 +0100, Jan Kiszka wrote:
Lucas Meneghel Rodrigues wrote:
Hi folks:
Today's upstream qemu-kvm.git is crashing when attempting to use -smp 1:
03/04 12:56:12 DEBUG|kvm_vm:0461| Running qemu command:
/usr/local/autotest/tests/kvm/qemu -name 'vm1' -monitor
On 03/02/2010 04:36 AM, Anthony Liguori wrote:
I keep a patch in the SUSE version for quite some time now that bumps
the default to 384 for qemu-kvm. That was the first round number
where an openSUSE installation worked.
If someone works up a patch and tests at least a couple types of
guests
On 03/08/2010 07:57 PM, Cam Macdonell wrote:
Can you provide a spec that describes the device? This would be useful for
maintaining the code, writing guest drivers, and as a framework for review.
I'm not sure if you want the Qemu command-line part as part of the
spec here, but I've
On 03/08/2010 08:03 PM, Alexander Graf wrote:
MOL uses its own hypercall interface to call back into userspace when
the guest wants to do something.
So let's implement that as an exit reason, specify it with a CAP and
only really use it when userspace wants us to.
The only user of it so far is
On 03/08/2010 08:03 PM, Alexander Graf wrote:
Some times we don't want all capabilities to be available to all
our vcpus. One example for that is the OSI interface, implemented
in the next patch.
In order to have a generic mechanism in how to enable capabilities
individually, this patch
On 03/09/2010 04:09 PM, Gleb Natapov wrote:
It is undefined and should generate #UD.
Signed-off-by: Gleb Natapovg...@redhat.com
---
arch/x86/kvm/emulate.c |3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index
On 03/09/2010 07:55 AM, Takuya Yoshikawa wrote:
svm_create_vcpu() does not free the pages allocated during the creation
when it fails to complete the allocations. This patch fixes it.
Applied, thanks.
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On 03/09/2010 07:44 AM, Luiz Capitulino wrote:
On Mon, 8 Mar 2010 22:29:55 -0800
Chris Wrightchr...@redhat.com wrote:
- virtio-9p passthrough filesystem support
- modular command line helpers
Please send in any additional agenda items you are interested in covering.
- Summer of
On 03/08/2010 02:33 PM, Marcelo Tosatti wrote:
On Fri, Mar 05, 2010 at 09:37:26PM -0500, Kevin O'Connor wrote:
On Thu, Mar 04, 2010 at 03:35:52PM -0300, Marcelo Tosatti wrote:
On Thu, Mar 04, 2010 at 12:58:58AM -0500, Kevin O'Connor wrote:
On Thu, Mar 04, 2010 at 01:21:12AM
On Tue, Mar 09, 2010 at 04:27:39PM +0200, Avi Kivity wrote:
On 03/09/2010 04:09 PM, Gleb Natapov wrote:
It is undefined and should generate #UD.
Signed-off-by: Gleb Natapovg...@redhat.com
---
arch/x86/kvm/emulate.c |3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff
On Mon, 8 Mar 2010 22:29:55 -0800
Chris Wright chr...@redhat.com wrote:
- virtio-9p passthrough filesystem support
- modular command line helpers
Please send in any additional agenda items you are interested in covering.
- Summer of code 2010 (do we want to join?)
- Status of Anthony's
On 03/09/2010 04:33 PM, Gleb Natapov wrote:
On Tue, Mar 09, 2010 at 04:27:39PM +0200, Avi Kivity wrote:
On 03/09/2010 04:09 PM, Gleb Natapov wrote:
It is undefined and should generate #UD.
Signed-off-by: Gleb Natapovg...@redhat.com
---
arch/x86/kvm/emulate.c |3 +++
1 files
Mov reg, cr instruction doesn't change flags in any meaningful way, so
no need to update rflags after instruction execution.
Signed-off-by: Gleb Natapov g...@redhat.com
---
arch/x86/include/asm/kvm_host.h |3 +--
arch/x86/kvm/emulate.c |3 +--
arch/x86/kvm/x86.c |
Unify all conditions that get us back into emulator after returning from
userspace.
Signed-off-by: Gleb Natapov g...@redhat.com
---
arch/x86/kvm/x86.c | 32 ++--
1 files changed, 6 insertions(+), 26 deletions(-)
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
On 03/09/2010 08:37 AM, Wei Yongjun wrote:
This patch fixed possible memory leak in kvm_arch_vcpu_create()
under s390, which would happen when kvm_arch_vcpu_create() fails.
Applied, thanks.
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Wei Yongjun wrote:
This patch fixed possible memory leak in kvm_arch_vcpu_create()
under s390, which would happen when kvm_arch_vcpu_create() fails.
Good catch, thanks!
Acked-by: Carsten Otte co...@de.ibm.com
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On Tue, Mar 9, 2010 at 3:29 AM, Avi Kivity a...@redhat.com wrote:
On 03/08/2010 07:57 PM, Cam Macdonell wrote:
Can you provide a spec that describes the device? This would be useful
for
maintaining the code, writing guest drivers, and as a framework for
review.
I'm not sure if you want
On Tue, Mar 09, 2010 at 04:24:45PM +0200, Avi Kivity wrote:
On 03/09/2010 04:09 PM, Gleb Natapov wrote:
Eliminate the need to call back into KVM to get it from emulator.
@@ -3499,6 +3499,7 @@ int emulate_instruction(struct kvm_vcpu *vcpu,
vcpu-arch.emulate_ctxt.vcpu = vcpu;
On Tue, Mar 09, 2010 at 04:18:09PM +0200, Avi Kivity wrote:
On 03/09/2010 04:09 PM, Gleb Natapov wrote:
Use this callback instead of directly call kvm function. Also rename
realmode_(set|get)_cr to emulator_(set|get)_cr since function has nothing
to do with real mode.
+ulong
Eliminate the need to call back into KVM to get it from emulator.
Signed-off-by: Gleb Natapov g...@redhat.com
---
arch/x86/include/asm/kvm_emulate.h |3 ++-
arch/x86/kvm/emulate.c | 12 ++--
arch/x86/kvm/x86.c |1 +
3 files changed, 9 insertions(+),
On 03/09/2010 04:09 PM, Gleb Natapov wrote:
Eliminate the need to call back into KVM to get it from emulator.
@@ -3499,6 +3499,7 @@ int emulate_instruction(struct kvm_vcpu *vcpu,
vcpu-arch.emulate_ctxt.vcpu = vcpu;
vcpu-arch.emulate_ctxt.eflags =
On 09.03.2010, at 14:19, Avi Kivity wrote:
On 03/09/2010 03:12 PM, Alexander Graf wrote:
On 09.03.2010, at 14:11, Avi Kivity wrote:
On 03/09/2010 03:04 PM, Alexander Graf wrote:
+/* KVM_EXIT_OSI */
+struct {
+__u64
On 03/09/2010 02:49 PM, Arnd Bergmann wrote:
On Monday 08 March 2010, Cam Macdonell wrote:
enum ivshmem_registers {
IntrMask = 0,
IntrStatus = 2,
Doorbell = 4,
IVPosition = 6,
IVLiveList = 8
};
The first two registers are the interrupt mask and status registers.
Use this callback instead of directly call kvm function. Also rename
realmode_(set|get)_cr to emulator_(set|get)_cr since function has nothing
to do with real mode.
Signed-off-by: Gleb Natapov g...@redhat.com
---
arch/x86/include/asm/kvm_emulate.h |3 +-
arch/x86/include/asm/kvm_host.h|
On Tue, Mar 09, 2010 at 04:43:59PM +0200, Avi Kivity wrote:
On 03/09/2010 04:09 PM, Gleb Natapov wrote:
Provide get_cached_descriptor(), set_cached_descriptor(),
get_segment_selector(), set_segment_selector(), get_gdt(),
write_std() callbacks.
Signed-off-by: Gleb Natapovg...@redhat.com
---
On Tue, Mar 9, 2010 at 6:03 AM, Avi Kivity a...@redhat.com wrote:
On 03/09/2010 02:49 PM, Arnd Bergmann wrote:
On Monday 08 March 2010, Cam Macdonell wrote:
enum ivshmem_registers {
IntrMask = 0,
IntrStatus = 2,
Doorbell = 4,
IVPosition = 6,
IVLiveList = 8
};
The
On 03/09/2010 04:57 PM, Anthony Liguori wrote:
On 03/09/2010 08:52 AM, Avi Kivity wrote:
On 03/09/2010 04:50 PM, Anthony Liguori wrote:
It's all in the openSUSE build service. The direct access URL
(login required FWIW) is here:
On 03/09/2010 06:25 PM, Gleb Natapov wrote:
On Tue, Mar 09, 2010 at 04:43:59PM +0200, Avi Kivity wrote:
On 03/09/2010 04:09 PM, Gleb Natapov wrote:
Provide get_cached_descriptor(), set_cached_descriptor(),
get_segment_selector(), set_segment_selector(), get_gdt(),
write_std()
On 03/09/2010 11:11 AM, Avi Kivity wrote:
On 03/09/2010 04:57 PM, Anthony Liguori wrote:
On 03/09/2010 08:52 AM, Avi Kivity wrote:
On 03/09/2010 04:50 PM, Anthony Liguori wrote:
It's all in the openSUSE build service. The direct access URL
(login required FWIW) is here:
On 03/09/2010 05:27 PM, Cam Macdonell wrote:
Registers are used
for synchronization between guests sharing the same memory object when
interrupts are supported (this requires using the shared memory server).
How does the driver detect whether interrupts are supported or not?
On 03/09/2010 07:27 PM, Anthony Liguori wrote:
Perhaps a json representation of things. We already have the parser.
Please no :-)
We have a config format, QemuOpts ties nicely into it as does qdev.
We just need to represent machine information via QemuOpts and tie -m
to manipulating the
On 03/09/2010 11:28 AM, Avi Kivity wrote:
On 03/09/2010 05:27 PM, Cam Macdonell wrote:
Registers are used
for synchronization between guests sharing the same memory object when
interrupts are supported (this requires using the shared memory
server).
How does the driver detect whether
On Tue, Mar 09, 2010 at 07:22:51PM +0200, Avi Kivity wrote:
On 03/09/2010 06:25 PM, Gleb Natapov wrote:
On Tue, Mar 09, 2010 at 04:43:59PM +0200, Avi Kivity wrote:
On 03/09/2010 04:09 PM, Gleb Natapov wrote:
Provide get_cached_descriptor(), set_cached_descriptor(),
get_segment_selector(),
On Tue, Mar 09, 2010 at 04:47:24PM +0200, Avi Kivity wrote:
On 03/09/2010 04:09 PM, Gleb Natapov wrote:
in/out emulation is broken now. The breakage is different depending
on where IO device resides. If it is in userspace emulator reports
emulation failure since it incorrectly interprets
On Tue, Mar 09, 2010 at 04:50:29PM +0200, Avi Kivity wrote:
On 03/09/2010 04:09 PM, Gleb Natapov wrote:
Currently when string instruction is only partially complete we go back
to a guest mode, guest tries to reexecute instruction and exits again
and at this point emulation continues. Avoid all
On Tue, Mar 9, 2010 at 10:28 AM, Avi Kivity a...@redhat.com wrote:
On 03/09/2010 05:27 PM, Cam Macdonell wrote:
Registers are used
for synchronization between guests sharing the same memory object when
interrupts are supported (this requires using the shared memory server).
How does the
On Mon, Mar 08, 2010 at 03:49:01PM +0100, Andrea Arcangeli wrote:
On Mon, Mar 08, 2010 at 03:32:19PM +0200, Avi Kivity wrote:
It looks unrelated to kvm, though of course random memory corruption
cannot be ruled out.
Is npt enabled on the host (cat /sys/module/kvm_amd/parameters/npt)?
Paul Brook wrote:
However, coherence could be made host-type-independent by the host
mapping and unampping pages, so that each page is only mapped into one
guest (or guest CPU) at a time. Just like some clustering filesystems
do to maintain coherence.
You're assuming that a TLB flush
Avi Kivity wrote:
On 03/08/2010 03:03 PM, Paul Brook wrote:
On 03/08/2010 12:53 AM, Paul Brook wrote:
Support an inter-vm shared memory device that maps a shared-memory
object as a PCI device in the guest. This patch also supports
interrupts between guest by communicating over a unix
Paul Brook wrote:
On 03/08/2010 12:53 AM, Paul Brook wrote:
Support an inter-vm shared memory device that maps a shared-memory
object as a PCI device in the guest. This patch also supports
interrupts between guest by communicating over a unix domain socket.
This patch applies to
Hi,
I'm referring to this patchset
http://www.mail-archive.com/kvm@vger.kernel.org/msg23810.html
of Marcelo Tosatti. It seems it was never included or even discussed, although
it's nearly half a year old. I wonder if there is a good reason for that? I'd
like to use the steal time for my VMs,
On 03/09/2010 04:30 PM, Marcelo Tosatti wrote:
On Tue, Mar 09, 2010 at 09:47:38PM +0100, Thomas Treutner wrote:
Hi,
I'm referring to this patchset
http://www.mail-archive.com/kvm@vger.kernel.org/msg23810.html
of Marcelo Tosatti. It seems it was never included or even discussed, although
it's
On 03/08/2010 03:54 AM, Jamie Lokier wrote:
Alexander Graf wrote:
Or we could put in some code that tells the guest the host shm
architecture and only accept x86 on x86 for now. If anyone cares for
other combinations, they're free to implement them.
Seriously, we're looking at an interface
On 03/08/2010 07:16 AM, Avi Kivity wrote:
On 03/08/2010 03:03 PM, Paul Brook wrote:
On 03/08/2010 12:53 AM, Paul Brook wrote:
Support an inter-vm shared memory device that maps a shared-memory
object as a PCI device in the guest. This patch also supports
interrupts between guest by
In a cross environment that becomes extremely hairy. For example the x86
architecture effectively has an implicit write barrier before every
store, and an implicit read barrier before every load.
Btw, x86 doesn't have any implicit barriers due to ordinary loads.
Only stores and atomics
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