Displaying 20 results from an estimated 105 matches for "aarcang".
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aarcange
2016 Dec 19
2
[PATCH v7 08/11] x86, kvm/x86.c: support vcpu preempted check
...rmation should
be just an hint and not fundamental for correct functionality of the
guest pv spinlock code.
This bug was introduced in commit
0b9f6c4615c993d2b552e0d2bd1ade49b56e5beb in v4.9-rc7.
>From 458897fd44aa9b91459a006caa4051a7d1628a23 Mon Sep 17 00:00:00 2001
From: Andrea Arcangeli <aarcange at redhat.com>
Date: Sat, 17 Dec 2016 18:43:52 +0100
Subject: [PATCH 1/2] kvm: fix schedule in atomic in
kvm_steal_time_set_preempted()
kvm_steal_time_set_preempted() isn't disabling the pagefaults before
calling __copy_to_user and the kernel debug notices.
Signed-off-by: Andrea Arcangel...
2016 Dec 19
2
[PATCH v7 08/11] x86, kvm/x86.c: support vcpu preempted check
...rmation should
be just an hint and not fundamental for correct functionality of the
guest pv spinlock code.
This bug was introduced in commit
0b9f6c4615c993d2b552e0d2bd1ade49b56e5beb in v4.9-rc7.
>From 458897fd44aa9b91459a006caa4051a7d1628a23 Mon Sep 17 00:00:00 2001
From: Andrea Arcangeli <aarcange at redhat.com>
Date: Sat, 17 Dec 2016 18:43:52 +0100
Subject: [PATCH 1/2] kvm: fix schedule in atomic in
kvm_steal_time_set_preempted()
kvm_steal_time_set_preempted() isn't disabling the pagefaults before
calling __copy_to_user and the kernel debug notices.
Signed-off-by: Andrea Arcangel...
2016 Dec 19
0
[PATCH v7 08/11] x86, kvm/x86.c: support vcpu preempted check
...t and not fundamental for correct functionality of the
> guest pv spinlock code.
>
> This bug was introduced in commit
> 0b9f6c4615c993d2b552e0d2bd1ade49b56e5beb in v4.9-rc7.
>
> From 458897fd44aa9b91459a006caa4051a7d1628a23 Mon Sep 17 00:00:00 2001
> From: Andrea Arcangeli <aarcange at redhat.com>
> Date: Sat, 17 Dec 2016 18:43:52 +0100
> Subject: [PATCH 1/2] kvm: fix schedule in atomic in
> kvm_steal_time_set_preempted()
>
> kvm_steal_time_set_preempted() isn't disabling the pagefaults before
> calling __copy_to_user and the kernel debug notices.
&g...
2017 Jan 17
2
[virtio-dev] Re: [PATCH v6 kernel 2/5] virtio-balloon: define new feature bit and head struct
...;
> > > Cc: Paolo Bonzini <pbonzini at redhat.com>
> > > Cc: Cornelia Huck <cornelia.huck at de.ibm.com>
> > > Cc: Amit Shah <amit.shah at redhat.com>
> > > Cc: Dave Hansen <dave.hansen at intel.com>
> > > Cc: Andrea Arcangeli <aarcange at redhat.com>
> > > Cc: David Hildenbrand <david at redhat.com>
> > > ---
> > > include/uapi/linux/virtio_balloon.h | 12 ++++++++++++
> > > 1 file changed, 12 insertions(+)
> > >
> > > diff --git a/include/uapi/linux/virtio_balloon....
2017 Jan 17
2
[virtio-dev] Re: [PATCH v6 kernel 2/5] virtio-balloon: define new feature bit and head struct
...;
> > > Cc: Paolo Bonzini <pbonzini at redhat.com>
> > > Cc: Cornelia Huck <cornelia.huck at de.ibm.com>
> > > Cc: Amit Shah <amit.shah at redhat.com>
> > > Cc: Dave Hansen <dave.hansen at intel.com>
> > > Cc: Andrea Arcangeli <aarcange at redhat.com>
> > > Cc: David Hildenbrand <david at redhat.com>
> > > ---
> > > include/uapi/linux/virtio_balloon.h | 12 ++++++++++++
> > > 1 file changed, 12 insertions(+)
> > >
> > > diff --git a/include/uapi/linux/virtio_balloon....
2019 Apr 09
2
[PATCH net] vhost: flush dcache page when logging dirty pages
...setting up kmaps and access them through
kernel virtual address, this may result alias in virtually tagged
caches that require a dcache flush afterwards.
Cc: Christoph Hellwig <hch at infradead.org>
Cc: James Bottomley <James.Bottomley at HansenPartnership.com>
Cc: Andrea Arcangeli <aarcange at redhat.com>
Fixes: 3a4d5c94e9593 ("vhost_net: a kernel-level virtio server")
Signed-off-by: Jason Wang <jasowang at redhat.com>
---
drivers/vhost/vhost.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 351af88231ad..34a...
2019 Apr 09
2
[PATCH net] vhost: flush dcache page when logging dirty pages
...setting up kmaps and access them through
kernel virtual address, this may result alias in virtually tagged
caches that require a dcache flush afterwards.
Cc: Christoph Hellwig <hch at infradead.org>
Cc: James Bottomley <James.Bottomley at HansenPartnership.com>
Cc: Andrea Arcangeli <aarcange at redhat.com>
Fixes: 3a4d5c94e9593 ("vhost_net: a kernel-level virtio server")
Signed-off-by: Jason Wang <jasowang at redhat.com>
---
drivers/vhost/vhost.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index 351af88231ad..34a...
2017 Jan 18
1
[virtio-dev] Re: [PATCH v6 kernel 2/5] virtio-balloon: define new feature bit and head struct
...s.oasis-open.org; qemu-
> > devel at nongnu.org; linux-mm at kvack.org; linux-kernel at vger.kernel.org;
> > virtualization at lists.linux-foundation.org; amit.shah at redhat.com; Hansen,
> > Dave; cornelia.huck at de.ibm.com; pbonzini at redhat.com;
> > david at redhat.com; aarcange at redhat.com; dgilbert at redhat.com;
> > quintela at redhat.com
> > Subject: Re: [virtio-dev] Re: [PATCH v6 kernel 2/5] virtio-balloon: define new
> > feature bit and head struct
> >
> > On Fri, Jan 13, 2017 at 09:24:22AM +0000, Li, Liang Z wrote:
> > > &g...
2017 Jan 18
1
[virtio-dev] Re: [PATCH v6 kernel 2/5] virtio-balloon: define new feature bit and head struct
...s.oasis-open.org; qemu-
> > devel at nongnu.org; linux-mm at kvack.org; linux-kernel at vger.kernel.org;
> > virtualization at lists.linux-foundation.org; amit.shah at redhat.com; Hansen,
> > Dave; cornelia.huck at de.ibm.com; pbonzini at redhat.com;
> > david at redhat.com; aarcange at redhat.com; dgilbert at redhat.com;
> > quintela at redhat.com
> > Subject: Re: [virtio-dev] Re: [PATCH v6 kernel 2/5] virtio-balloon: define new
> > feature bit and head struct
> >
> > On Fri, Jan 13, 2017 at 09:24:22AM +0000, Li, Liang Z wrote:
> > > &g...
2017 Jan 12
2
[PATCH v6 kernel 2/5] virtio-balloon: define new feature bit and head struct
...t; Cc: Michael S. Tsirkin <mst at redhat.com>
> Cc: Paolo Bonzini <pbonzini at redhat.com>
> Cc: Cornelia Huck <cornelia.huck at de.ibm.com>
> Cc: Amit Shah <amit.shah at redhat.com>
> Cc: Dave Hansen <dave.hansen at intel.com>
> Cc: Andrea Arcangeli <aarcange at redhat.com>
> Cc: David Hildenbrand <david at redhat.com>
> ---
> include/uapi/linux/virtio_balloon.h | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
>
> diff --git a/include/uapi/linux/virtio_balloon.h b/include/uapi/linux/virtio_balloon.h
> index 343d7dd....
2017 Jan 12
2
[PATCH v6 kernel 2/5] virtio-balloon: define new feature bit and head struct
...t; Cc: Michael S. Tsirkin <mst at redhat.com>
> Cc: Paolo Bonzini <pbonzini at redhat.com>
> Cc: Cornelia Huck <cornelia.huck at de.ibm.com>
> Cc: Amit Shah <amit.shah at redhat.com>
> Cc: Dave Hansen <dave.hansen at intel.com>
> Cc: Andrea Arcangeli <aarcange at redhat.com>
> Cc: David Hildenbrand <david at redhat.com>
> ---
> include/uapi/linux/virtio_balloon.h | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
>
> diff --git a/include/uapi/linux/virtio_balloon.h b/include/uapi/linux/virtio_balloon.h
> index 343d7dd....
2019 May 13
5
[PATCH net] vhost: don't use kmap() to log dirty pages
...er()/put_user() pair protected by a global mutex is
provided as a fallback. The fallback may lead false positive that
userspace may see more dirty pages.
Cc: Christoph Hellwig <hch at infradead.org>
Cc: James Bottomley <James.Bottomley at HansenPartnership.com>
Cc: Andrea Arcangeli <aarcange at redhat.com>
Cc: Thomas Gleixner <tglx at linutronix.de>
Cc: Ingo Molnar <mingo at redhat.com>
Cc: Peter Zijlstra <peterz at infradead.org>
Cc: Darren Hart <dvhart at infradead.org>
Fixes: 3a4d5c94e9593 ("vhost_net: a kernel-level virtio server")
Signed-off-b...
2019 May 13
5
[PATCH net] vhost: don't use kmap() to log dirty pages
...er()/put_user() pair protected by a global mutex is
provided as a fallback. The fallback may lead false positive that
userspace may see more dirty pages.
Cc: Christoph Hellwig <hch at infradead.org>
Cc: James Bottomley <James.Bottomley at HansenPartnership.com>
Cc: Andrea Arcangeli <aarcange at redhat.com>
Cc: Thomas Gleixner <tglx at linutronix.de>
Cc: Ingo Molnar <mingo at redhat.com>
Cc: Peter Zijlstra <peterz at infradead.org>
Cc: Darren Hart <dvhart at infradead.org>
Fixes: 3a4d5c94e9593 ("vhost_net: a kernel-level virtio server")
Signed-off-b...
2017 Jan 18
0
[virtio-dev] Re: [PATCH v6 kernel 2/5] virtio-balloon: define new feature bit and head struct
...; virtio-dev at lists.oasis-open.org; qemu-
> devel at nongnu.org; linux-mm at kvack.org; linux-kernel at vger.kernel.org;
> virtualization at lists.linux-foundation.org; amit.shah at redhat.com; Hansen,
> Dave; cornelia.huck at de.ibm.com; pbonzini at redhat.com;
> david at redhat.com; aarcange at redhat.com; dgilbert at redhat.com;
> quintela at redhat.com
> Subject: Re: [virtio-dev] Re: [PATCH v6 kernel 2/5] virtio-balloon: define new
> feature bit and head struct
>
> On Fri, Jan 13, 2017 at 09:24:22AM +0000, Li, Liang Z wrote:
> > > On Wed, Dec 21, 2016 at 02:...
2019 May 09
2
[RFC PATCH V2] vhost: don't use kmap() to log dirty pages
...disable LOG_ALL features of vhost.
- The helper also requires userspace pointer is located at 4-byte
boundary, need to check during dirty log setting
Cc: Christoph Hellwig <hch at infradead.org>
Cc: James Bottomley <James.Bottomley at HansenPartnership.com>
Cc: Andrea Arcangeli <aarcange at redhat.com>
Cc: Thomas Gleixner <tglx at linutronix.de>
Cc: Ingo Molnar <mingo at redhat.com>
Cc: Peter Zijlstra <peterz at infradead.org>
Cc: Darren Hart <dvhart at infradead.org>
Fixes: 3a4d5c94e9593 ("vhost_net: a kernel-level virtio server")
Signed-off-b...
2019 May 09
2
[RFC PATCH V2] vhost: don't use kmap() to log dirty pages
...disable LOG_ALL features of vhost.
- The helper also requires userspace pointer is located at 4-byte
boundary, need to check during dirty log setting
Cc: Christoph Hellwig <hch at infradead.org>
Cc: James Bottomley <James.Bottomley at HansenPartnership.com>
Cc: Andrea Arcangeli <aarcange at redhat.com>
Cc: Thomas Gleixner <tglx at linutronix.de>
Cc: Ingo Molnar <mingo at redhat.com>
Cc: Peter Zijlstra <peterz at infradead.org>
Cc: Darren Hart <dvhart at infradead.org>
Fixes: 3a4d5c94e9593 ("vhost_net: a kernel-level virtio server")
Signed-off-b...
2019 May 07
4
[PATCH RFC] vhost: don't use kmap() to log dirty pages
...on popular ones) that don't implement
futex helper, we can't log dirty pages. We can fix them on top or
simply disable LOG_ALL features of vhost.
Cc: Christoph Hellwig <hch at infradead.org>
Cc: James Bottomley <James.Bottomley at HansenPartnership.com>
Cc: Andrea Arcangeli <aarcange at redhat.com>
Fixes: 3a4d5c94e9593 ("vhost_net: a kernel-level virtio server")
Signed-off-by: Jason Wang <jasowang at redhat.com>
---
drivers/vhost/vhost.c | 27 +++++++++++++++------------
1 file changed, 15 insertions(+), 12 deletions(-)
diff --git a/drivers/vhost/vhost.c b...
2019 May 07
4
[PATCH RFC] vhost: don't use kmap() to log dirty pages
...on popular ones) that don't implement
futex helper, we can't log dirty pages. We can fix them on top or
simply disable LOG_ALL features of vhost.
Cc: Christoph Hellwig <hch at infradead.org>
Cc: James Bottomley <James.Bottomley at HansenPartnership.com>
Cc: Andrea Arcangeli <aarcange at redhat.com>
Fixes: 3a4d5c94e9593 ("vhost_net: a kernel-level virtio server")
Signed-off-by: Jason Wang <jasowang at redhat.com>
---
drivers/vhost/vhost.c | 27 +++++++++++++++------------
1 file changed, 15 insertions(+), 12 deletions(-)
diff --git a/drivers/vhost/vhost.c b...
2017 Mar 03
10
[PATCH v7 kernel 0/5] Extend virtio-balloon for fast (de)inflating & fast live migration
...from this new feature too.
Cc: Michael S. Tsirkin <mst at redhat.com>
Cc: Paolo Bonzini <pbonzini at redhat.com>
Cc: Cornelia Huck <cornelia.huck at de.ibm.com>
Cc: Amit Shah <amit.shah at redhat.com>
Cc: Dave Hansen <dave.hansen at intel.com>
Cc: Andrea Arcangeli <aarcange at redhat.com>
Cc: David Hildenbrand <david at redhat.com>
Cc: Liang Li <liliang324 at gmail.com>
Cc: Wei Wang <wei.w.wang at intel.com>
Liang Li (5):
virtio-balloon: rework deflate to add page to a list
virtio-balloon: VIRTIO_BALLOON_F_CHUNK_TRANSFER
virtio-balloon: im...
2017 Mar 03
10
[PATCH v7 kernel 0/5] Extend virtio-balloon for fast (de)inflating & fast live migration
...from this new feature too.
Cc: Michael S. Tsirkin <mst at redhat.com>
Cc: Paolo Bonzini <pbonzini at redhat.com>
Cc: Cornelia Huck <cornelia.huck at de.ibm.com>
Cc: Amit Shah <amit.shah at redhat.com>
Cc: Dave Hansen <dave.hansen at intel.com>
Cc: Andrea Arcangeli <aarcange at redhat.com>
Cc: David Hildenbrand <david at redhat.com>
Cc: Liang Li <liliang324 at gmail.com>
Cc: Wei Wang <wei.w.wang at intel.com>
Liang Li (5):
virtio-balloon: rework deflate to add page to a list
virtio-balloon: VIRTIO_BALLOON_F_CHUNK_TRANSFER
virtio-balloon: im...