Re: [PATCH] KVM : VMX: disable apicv by default

2013-02-10 Thread Gleb Natapov
On Sat, Feb 09, 2013 at 08:45:46AM +0800, Yang Zhang wrote: > From: Yang Zhang > > Without Posted Interrupt, current code is broken. Just disable by > default until Posted Interrupt is ready. > > Signed-off-by: Yang Zhang > --- > arch/x86/kvm/vmx.c |2 +- > 1 files changed, 1 insertions(+)

Re: qemu throws KVM internal error - Any ideas?

2013-02-10 Thread Gleb Natapov
On Sat, Feb 09, 2013 at 02:56:01PM -0200, Lucas Meneghel Rodrigues wrote: > Hey Gleb, Marcelo: > > I was looking at the sanity jobs for qemu.git and found this error > that happened during RHEL 6.3 guest reboot test: > RIP==RAX. Probably emulation gone wrong. Can you verify if it reproducible? P

Kernel panic with Radeon HD 7750 passthrough

2013-02-10 Thread Nils Caspar
I was able to passthrough a Radeon HD 7750 (Club 3D HD 7750 1GB) video card to a KVM domain running Windows 7. The host is running stock Ubuntu 12.10. I blacklisted the radeon driver in the host system and added intel_iommu=on to the boot parameters. Then I added the devices (VGA and Audio) to the

Re: [PATCH 1/8] KVM: x86 emulator: add support for writing back the source operand

2013-02-10 Thread Gleb Natapov
On Sat, Feb 09, 2013 at 11:31:44AM +0200, Avi Kivity wrote: > Some instructions write back the source operand, not just the destination. > Add support for doing this via the decode flags. > We cannot really write back to memory operands. I feel it's deceiving to make the code look like we can. >

Re: [PATCH 2/8] KVM: x86 emulator: decode extended accumulator explicity

2013-02-10 Thread Gleb Natapov
On Sat, Feb 09, 2013 at 11:31:45AM +0200, Avi Kivity wrote: > Single-operand MUL and DIV access an extended accumulator: AX for byte > instructions, and DX:AX, EDX:EAX, or RDX:RAX for larger-sized instructions. > Add support for fetching the extended accumulator. > Where this "extended accumulator

Re: [PATCH 6/8] KVM: x86 emulator: convert DIV/IDIV to fastop

2013-02-10 Thread Gleb Natapov
On Sat, Feb 09, 2013 at 11:31:49AM +0200, Avi Kivity wrote: > Since DIV and IDIV can generate exceptions, we need an additional output > parameter indicating whether an execption has occured. To avoid increasing > register pressure on i386, we use %rsi, which is already allocated for > the fastop

kvm.git:next branch is going to be frozen shortly for 3.9 merge

2013-02-10 Thread Gleb Natapov
As 3.8 release is inevitably going closer next branch is going to be frozen this week. All new patches will be applied to queue only awaiting for the 3.9-rc1. If you have something for 3.8 please send it asap. -- Gleb. -- To unsubscribe from this list: send the line "unsubs

[PATCH v2] KVM: VMX: disable apicv by default

2013-02-10 Thread Yang Zhang
From: Yang Zhang Without Posted Interrupt, current code is broken. Just disable by default until Posted Interrupt is ready. Signed-off-by: Yang Zhang --- arch/x86/kvm/vmx.c |3 +-- 1 files changed, 1 insertions(+), 2 deletions(-) diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index

[PATCH] KVM: nVMX: Improve I/O exit handling

2013-02-10 Thread Jan Kiszka
From: Jan Kiszka This prevents trapping L2 I/O exits if L1 has neither unconditional nor bitmap-based exiting enabled. Furthermore, it implements basic I/O bitmap handling. Repeated string accesses are still reported to L1 unconditionally for now. Signed-off-by: Jan Kiszka --- If someone tells

Re: kvm.git:next branch is going to be frozen shortly for 3.9 merge

2013-02-10 Thread Alexander Graf
On 10.02.2013, at 14:50, Gleb Natapov wrote: > As 3.8 release is inevitably going closer next branch is going to be > frozen this week. All new patches will be applied to queue only awaiting > for the 3.9-rc1. If you have something for 3.8 please send it asap. Thanks a lot for the reminder. I ho

Re: [PATCH 4/8] Added ONE_REG interface for debug instruction

2013-02-10 Thread Paul Mackerras
On Thu, Feb 07, 2013 at 03:29:50PM +0100, Alexander Graf wrote: > > On 04.02.2013, at 01:41, Paul Mackerras wrote: > > > On Wed, Jan 16, 2013 at 01:54:41PM +0530, Bharat Bhushan wrote: > >> This patch adds the one_reg interface to get the special instruction > >> to be used for setting software b

Re: [Qemu-devel] [PATCH 3/5] target-i386: Slim conversion to X86CPU subclasses

2013-02-10 Thread Igor Mammedov
On Fri, 8 Feb 2013 16:13:02 -0200 Eduardo Habkost wrote: > On Fri, Feb 08, 2013 at 05:54:50PM +0100, Andreas Färber wrote: > > Am 08.02.2013 15:52, schrieb Eduardo Habkost: > > > On Fri, Feb 08, 2013 at 01:58:42PM +0100, Igor Mammedov wrote: > > >> On Fri, 08 Feb 2013 12:16:17 +0100 > > >> Andrea

[PATCH 0/2] KVM:PPC Adding one_reg interface for TCR and TSR

2013-02-10 Thread Bharat Bhushan
This patchset adds the one_reg interface to get/set TSR and TCR registers. This patchet also adds the one_reg interface to or/clear specific bits in TSR register. Bharat Bhushan (2): move tsr update in a seprate function Added one_reg interface for timer registers arch/powerpc/include/uapi/a

[PATCH 1/2] move tsr update in a separate function

2013-02-10 Thread Bharat Bhushan
This is done so that same function can be called from SREGS and ONE_REG interface (follow up patch). Signed-off-by: Bharat Bhushan --- arch/powerpc/kvm/booke.c | 24 ++-- arch/powerpc/kvm/booke.h |1 + 2 files changed, 15 insertions(+), 10 deletions(-) diff --git a/arc

[PATCH 2/2] Added one_reg interface for timer registers

2013-02-10 Thread Bharat Bhushan
If userspace wants to change some specific bits of TSR (timer status register) then it uses GET/SET_SREGS ioctl interface. So the steps will be: i) user-space will make get ioctl, ii) change TSR in userspace iii) then make set ioctl. It can happen that TSR gets changed by kerne