Hello all,
I am using the Qemu/SPDK to do vhost-user-blk verification, and the qemu
command as below:
./qemu-system-x86_64 \
-machine q35,accel=kvm \
-cpu host -m 1024,maxmem=20G,slots=2 -smp 6 \
-kernel ./../linux-stable/arch/x86/boot/bzImage \
-append 'root=/dev/vdb3 rw rootfs
On Sun, Nov 26, 2017 at 02:17:18PM +0800, Shannon Zhao wrote:
> Hi,
>
> On 2017/11/24 14:30, Yang Zhong wrote:
> > Since there are some issues in memory alloc/free machenism
> > in glibc for little chunk memory, if Qemu frequently
> > alloc/free little chunk memory, the glibc doesn't alloc
> > lit
On Thu, Nov 23, 2017 at 11:19:43AM +, Stefan Hajnoczi wrote:
> On Thu, Nov 23, 2017 at 02:41:16PM +0800, Yang Zhong wrote:
> > Since there are some issues in memory alloc/free machenism
> > in glibc for little chunk memory, if Qemu frequently
> > alloc/free little chunk memory, the glibc doesn'
On Mon, Nov 20, 2017 at 02:14:50PM +, Daniel P. Berrange wrote:
> On Mon, Nov 20, 2017 at 04:54:42PM +0800, Zhong Yang wrote:
> > On Fri, Nov 17, 2017 at 02:06:20PM +, Daniel P. Berrange wrote:
> > > On Fri, Nov 17, 2017 at 01:54:09PM +, Stefan Hajnoczi wrote:
>
On Mon, Nov 20, 2017 at 02:03:44PM +, Stefan Hajnoczi wrote:
> On Mon, Nov 20, 2017 at 04:41:41PM +0800, Zhong Yang wrote:
> > On Fri, Nov 17, 2017 at 01:54:09PM +, Stefan Hajnoczi wrote:
> > > On Fri, Nov 17, 2017 at 02:23:34PM +0800, Yang Zhong wrote:
> > > &
On Mon, Nov 20, 2017 at 10:28:28PM +0800, Fam Zheng wrote:
> On Fri, 11/17 14:23, Yang Zhong wrote:
> > diff --git a/util/rcu.c b/util/rcu.c
> > index ca5a63e..8d491a6 100644
> > --- a/util/rcu.c
> > +++ b/util/rcu.c
> > @@ -26,6 +26,7 @@
> > * IBM's contributions to this file may be relicensed u
On Fri, Nov 17, 2017 at 02:06:20PM +, Daniel P. Berrange wrote:
> On Fri, Nov 17, 2017 at 01:54:09PM +, Stefan Hajnoczi wrote:
> > On Fri, Nov 17, 2017 at 02:23:34PM +0800, Yang Zhong wrote:
> > > diff --git a/util/rcu.c b/util/rcu.c
> > > index ca5a63e..8d491a6 100644
> > > --- a/util/rcu.
On Fri, Nov 17, 2017 at 01:54:09PM +, Stefan Hajnoczi wrote:
> On Fri, Nov 17, 2017 at 02:23:34PM +0800, Yang Zhong wrote:
> > diff --git a/util/rcu.c b/util/rcu.c
> > index ca5a63e..8d491a6 100644
> > --- a/util/rcu.c
> > +++ b/util/rcu.c
> > @@ -26,6 +26,7 @@
> > * IBM's contributions to th
On Wed, Nov 15, 2017 at 02:18:55PM +0100, Paolo Bonzini wrote:
> On 15/11/2017 04:14, Xulei (Stone) wrote:
> > Hi, guys
> >
> > I met a strange problem, with qemu 2.8.1:
> > qemu consumes too many heap memory after several operations and can not
> > release them anymore:
> > hot pulg/unplug disk
On Wed, Oct 18, 2017 at 12:32:42PM +0200, Paolo Bonzini wrote:
> On 17/10/2017 11:34, Yang Zhong wrote:
> > Intel IceLake cpu has added new cpu features,AVX512VBMI2/GFNI/
> > VAES/AVX512VNNI/AVX512BITALG/VPCLMULQDQ. Those new cpu features
> > need expose to guest VM.
> >
> > The bit definition:
>
On Wed, Oct 18, 2017 at 11:48:11AM +0200, Paolo Bonzini wrote:
> On 18/10/2017 07:57, Zhong Yang wrote:
> > Your suggestion can avoid DMA target to nvdimm if the nvdimm memory region
> > was skipped during VFIO hotplug. It is valuable to try this solution. by
> > the
&g
On Mon, Oct 16, 2017 at 01:58:59PM +0200, Paolo Bonzini wrote:
> On 16/10/2017 12:20, Xiao Guangrong wrote:
> >
> >> Qemu does not need pin NVDIMM memory for VFIO device during VFIO
> >> hotplug, what's more, if there is no NVDIMM hw in the test machine,
> >> the VFIO hotplug operation will need a
On Mon, Oct 16, 2017 at 06:20:32PM +0800, Xiao Guangrong wrote:
>
>
> On 10/16/2017 04:56 PM, Yang Zhong wrote:
> >Qemu does not need pin NVDIMM memory for VFIO device during VFIO
> >hotplug, what's more, if there is no NVDIMM hw in the test machine,
> >the VFIO hotplug operation will need at lea
On Mon, Jul 24, 2017 at 08:05:54AM +0300, Marcel Apfelbaum wrote:
+ Anthony
> On 24/07/2017 4:47, Zhong Yang wrote:
> >Hello all,
> >
>
> Hi,
>
> >When we did virtio device hotplug in Q35 platform, which always failed in
> >hotplug.
> >
>
>
Hello all,
When we did virtio device hotplug in Q35 platform, which always failed in
hotplug.
Would you please tell me how to configure VM to make virtio device hotplug work
in Q35 platform? Many thanks!
Regards,
Yang zhong
On Mon, Jul 03, 2017 at 04:28:00PM +0200, Paolo Bonzini wrote:
>
>
> On 03/07/2017 12:12, Yang Zhong wrote:
> > Since Paolo's below patch has fixed A20 issue
> > commit bbfa326fc8028e275eddf8c9965c2a1b59405b2e
> > target/i386: enable A20 automatically in system management mod
>
> How is this pat
On Wed, Jun 21, 2017 at 03:24:29PM -0700, Richard Henderson wrote:
> On 06/21/2017 03:19 AM, Yang Zhong wrote:
> >--- a/target/i386/cpu.h
> >+++ b/target/i386/cpu.h
> >@@ -52,7 +52,9 @@
> > #include "exec/cpu-defs.h"
> >+#ifdef CONFIG_TCG
> > #include "fpu/softfloat.h"
> >+#endif
> > #define R_E
On Wed, Jun 21, 2017 at 03:15:25PM +0200, Paolo Bonzini wrote:
>
>
> On 21/06/2017 12:19, Yang Zhong wrote:
> > Split the cpu_set_mxcsr()/cpu_set_fpuc() with specific tcg code.
> > tcg_update_mxcsr()/tcg_set_fpuc() need be implemented in tcg-stub.c
> > file if tcg is disabled.
> >
> > Signed-off
On Wed, Jun 21, 2017 at 03:10:55PM +0200, Paolo Bonzini wrote:
>
>
> On 21/06/2017 12:19, Yang Zhong wrote:
> > Move tcg_handle_interrupt() from translate-common.c to
> > translate-all.c.
> >
> > Signed-off-by: Yang Zhong
>
> Why?
>
> Paolo
>
Hello Paolo,
translate-common.c only include
On Wed, Jun 21, 2017 at 03:10:36PM +0200, Paolo Bonzini wrote:
>
>
> On 21/06/2017 12:19, Yang Zhong wrote:
> > @@ -3738,8 +3738,13 @@ int main(int argc, char **argv, char **envp)
> > }
> > break;
> > case QEMU_OPTION_no_kvm:
> > +#ifdef CONFIG_TCG
Hello Paolo,
About you below A20 fixed patch has been merged in QEMU latest release,
commit bbfa326fc8028e275eddf8c9965c2a1b59405b2e
target/i386: enable A20 automatically in system management mod
I also disabled the kvmvapic rom with below patch and use qemu command to
verify your patch
#disa
O Wed, Jun 07, 2017 at 03:28:55PM +0200, Paolo Bonzini wrote:
>
>
> On 02/06/2017 08:06, Yang Zhong wrote:
> > In order to disable tcg, the first phase is to split some
> > tcg code and separate those tcg related files into one
> > directory. The next phase will disable tcg more easily and
> > cl
On Thu, Jun 01, 2017 at 10:14:34AM +0200, Paolo Bonzini wrote:
>
>
> On 01/06/2017 07:27, Zhong Yang wrote:
> > In the first phase, there are three patchsets to
> > deal with split code and separate the files.
> > 1) split the tcg exec code.
> >
Wed, May 31, 2017 at 02:54:05PM +0200, Paolo Bonzini wrote:
>
>
> On 31/05/2017 08:28, Yang Zhong wrote:
> > Move the tcg related files into tcg/ subdirectory, which will make
> > the code more clean in qemu. Next step, we will base on those changes
> > to disable tcg.
>
> You should also move
O Fri, May 19, 2017 at 05:14:19PM -0500, Eric Blake wrote:
> On 05/19/2017 02:30 AM, Yang Zhong wrote:
> > Move the tcg relative files into tcg directory, which will make
> > the code more clean in qemu.
>
> Titling a patch series v0 is a bit unusual (typically, the first version
> is untitled, an
also release hole memory below top of
heap.
Thanks!
ZhongYang
-Original Message-
From: Paolo Bonzini [mailto:pbonz...@redhat.com]
Sent: Thursday, March 16, 2017 4:22 AM
To: Xu, Anthony
Cc: Zhong, Yang ; Peng, Chao P ;
qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH v1 2/2] reduce q
aydell [mailto:peter.mayd...@linaro.org]
Sent: Wednesday, March 15, 2017 6:42 PM
To: Paolo Bonzini
Cc: Zhong, Yang ; QEMU Developers
; Xu, Anthony
Subject: Re: [PATCH v3] memory: reduce heap Rss size around 3M
On 15 March 2017 at 08:12, Paolo Bonzini wrote:
>
>
> On 15/03/2017 14:39
e_memory))
{
as->ref_count++;
return as;
}
Regards,
ZhongYang
-Original Message-
From: Paolo Bonzini [mailto:pbonz...@redhat.com]
Sent: Wednesday, March 15, 2017 4:13 PM
To: Zhong, Yang ; qemu-devel@nongnu.org
Cc: Xu, Anthony ; Peter Maydell
Subject: Re: [PATCH
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