On Wed, Jun 09, 2021 at 02:08:17PM +0800, Xuan Zhuo wrote:
> On Wed, 9 Jun 2021 06:50:10 +0200, Greg KH wrote:
> > On Wed, Jun 09, 2021 at 09:48:33AM +0800, Xuan Zhuo wrote:
> > > > > With this patch and the latest net branch I no longer get crashes.
> > > >
> > > > Did this ever get properly subm
On Wed, 9 Jun 2021 06:50:10 +0200, Greg KH wrote:
> On Wed, Jun 09, 2021 at 09:48:33AM +0800, Xuan Zhuo wrote:
> > > > With this patch and the latest net branch I no longer get crashes.
> > >
> > > Did this ever get properly submitted to the networking tree to get into
> > > 5.13-final?
> >
> > Th
On Wed, Jun 09, 2021 at 09:48:33AM +0800, Xuan Zhuo wrote:
> > > With this patch and the latest net branch I no longer get crashes.
> >
> > Did this ever get properly submitted to the networking tree to get into
> > 5.13-final?
>
> The patch has been submitted.
>
> [PATCH net] virtio-net: f
On Tue, May 18, 2021 at 9:59 PM Jiang Wang . wrote:
>
> On Tue, May 18, 2021 at 6:02 AM Stefano Garzarella
> wrote:
> >
> > On Mon, May 17, 2021 at 11:33:06PM -0700, Jiang Wang . wrote:
> > >On Mon, May 17, 2021 at 4:02 AM Stefano Garzarella
> > >wrote:
> > >>
> > >> On Fri, May 14, 2021 at 11
On Tue, Jun 8, 2021 at 6:46 AM Stefano Garzarella wrote:
>
> On Fri, May 28, 2021 at 04:01:18AM +, Jiang Wang wrote:
> >From: "jiang.wang"
> >
> >Add supports for datagram type for virtio-vsock. Datagram
> >sockets are connectionless and unreliable. To avoid contention
> >with stream and othe
On Tue, 8 Jun 2021 14:17:58 +0200, Greg KH wrote:
> On Thu, Jun 03, 2021 at 10:57:52AM +0200, Corentin Noël wrote:
> > Le jeudi 03 juin 2021 à 10:44 +0800, Xuan Zhuo a écrit :
> > > On Wed, 02 Jun 2021 19:54:41 +0200, Corentin Noël <
> > > corentin.n...@collabora.com> wrote:
> > > > Sure, here is
On Mon, Jun 7, 2021 at 2:39 PM Rob Herring wrote:
>
> Convert the virtio-mmio binding to DT schema format.
>
> Cc: "Michael S. Tsirkin"
> Cc: Jason Wang
> Cc: Jean-Philippe Brucker
> Cc: virtualization@lists.linux-foundation.org
> Signed-off-by: Rob Herring
> ---
> Jean-Philippe, hopefully you
On 6/3/21 10:53 PM, Jason Wang wrote:
> Hi:
>
> The virtio driver should not trust the device. This beame more urgent
> for the case of encrtpyed VM or VDUSE[1]. In both cases, technology
> like swiotlb/IOMMU is used to prevent the poking/mangling of memory
> from the device. But this is not suffi
From: Colin Ian King
The object surf is not fully initialized and the uninitialized
field surf.data is being copied by the call to qxl_bo_create
via the call to qxl_gem_object_create. Set surf.data to zero
to ensure garbage data from the stack is not being copied.
Addresses-Coverity: ("Uninitial
On Fri, May 28, 2021 at 04:01:18AM +, Jiang Wang wrote:
From: "jiang.wang"
Add supports for datagram type for virtio-vsock. Datagram
sockets are connectionless and unreliable. To avoid contention
with stream and other sockets, add two more virtqueues and
a new feature bit to identify if tho
Hi Peter,
On Tue, Jun 08, 2021 at 01:58:47PM +0200, Peter Zijlstra wrote:
> So #VC cannot happen with IRQs disabled?
>
> raw_spin_lock_irq(&my_lock);
> <#VC>
> raw_spin_lock_irqsave(&my_lock); // whoopsie
>
> Every exception that can happen with IRQs disabled must be NM
On Mon, Jun 7, 2021 at 9:55 PM David Hildenbrand wrote:
>
> Let's group all memory we add for a single memory device - we want a
> single node for that (which also seems to be the sane thing to do).
>
> We won't care for now about memory that was already added to the system
> (e.g., via e820) -- u
On Mon, Jun 7, 2021 at 9:55 PM David Hildenbrand wrote:
>
> We allocate + initialize everything from scratch. In case enabling the
> device fails, we free all memory resourcs.
>
> Signed-off-by: David Hildenbrand
Acked-by: Rafael J. Wysocki
> ---
> drivers/acpi/acpi_memhotplug.c | 4
> 1
On Thu, Jun 03, 2021 at 10:57:52AM +0200, Corentin Noël wrote:
> Le jeudi 03 juin 2021 à 10:44 +0800, Xuan Zhuo a écrit :
> > On Wed, 02 Jun 2021 19:54:41 +0200, Corentin Noël <
> > corentin.n...@collabora.com> wrote:
> > > Sure, here is the decoded trace:
> > >
> > > [ 44.523231] skbuff: skb_ov
On Tue, Jun 08, 2021 at 11:54:36AM +0200, Joerg Roedel wrote:
> From: Joerg Roedel
>
> Use irqentry_enter() and irqentry_exit() to track the runtime state of
> the #VC handler. The reason it ran in NMI mode was solely to make sure
> nothing interrupts the handler while the GHCB is in use.
>
> Th
On 08.06.21 13:11, Michael Ellerman wrote:
David Hildenbrand writes:
There is only a single user remaining. We can simply try to offline all
online nodes - which is fast, because we usually span pages and can skip
such nodes right away.
That makes me slightly nervous, because our big powerpc
David Hildenbrand writes:
> There is only a single user remaining. We can simply try to offline all
> online nodes - which is fast, because we usually span pages and can skip
> such nodes right away.
That makes me slightly nervous, because our big powerpc boxes tend to
trip on these scaling issue
David Hildenbrand writes:
> The parameter is unused, let's remove it.
>
> Cc: Catalin Marinas
> Cc: Will Deacon
> Cc: Michael Ellerman
> Cc: Benjamin Herrenschmidt
> Cc: Paul Mackerras
> Cc: Heiko Carstens
> Cc: Vasily Gorbik
> Cc: Christian Borntraeger
> Cc: Yoshinori Sato
> Cc: Rich Fe
On Tue, Jun 08, 2021 at 01:24:58PM +0300, Arseny Krasnov wrote:
On 08.06.2021 13:19, Stefano Garzarella wrote:
On Tue, Jun 08, 2021 at 12:40:39PM +0300, Arseny Krasnov wrote:
On 08.06.2021 11:23, Stefano Garzarella wrote:
On Mon, Jun 07, 2021 at 04:18:38PM +0300, Arseny Krasnov wrote:
On 07.
On Tue, Jun 08, 2021 at 12:40:39PM +0300, Arseny Krasnov wrote:
On 08.06.2021 11:23, Stefano Garzarella wrote:
On Mon, Jun 07, 2021 at 04:18:38PM +0300, Arseny Krasnov wrote:
On 07.06.2021 14:04, Stefano Garzarella wrote:
On Fri, Jun 04, 2021 at 09:03:26PM +0300, Arseny Krasnov wrote:
On 04.
On 08.06.21 11:42, Oscar Salvador wrote:
On Mon, Jun 07, 2021 at 09:54:18PM +0200, David Hildenbrand wrote:
Hi,
this series aims at improving in-kernel auto-online support. It tackles the
fundamental problems that:
Hi David,
the idea sounds good to me, and I like that this series takes away
From: Joerg Roedel
When an instruction is fetched from user-space, segmentation needs to
be taken into account. This means that getting the linear address of
an instruction can fail. Hardware would raise a #GP
exception in that case, but the #VC exception handler would emulate it
as a page-fault.
From: Joerg Roedel
Hi,
here is the next revision of my pending fixes for SEV-ES guest
support. Changes to the previous version are:
- Removed the patches already merged
- Added a new fix to map the EFI MOKVar table encrypted
- Disabled IRQs when GHCB is active
-
From: Joerg Roedel
The error reporting from the insn_fetch_from_user*() functions is not
very verbose. Extend it to include information on whether the linear
RIP could not be calculated or whether the memory access faulted.
This will be used in the SEV-ES code to propagate the correct
exception
From: Joerg Roedel
The #VC handler only cares about IRQs being disabled while the GHCB is
active, as it must not be interrupted by something which could cause
another #VC while it holds the GHCB (NMI is the exception for which the
backup GHCB is there).
Make sure nothing interrupts the code path
From: Joerg Roedel
The runtime #VC handler is not "early" anymore. Fix the copy&paste error
and remove that word from the error message.
Signed-off-by: Joerg Roedel
---
arch/x86/kernel/sev.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kernel/sev.c b/arch/x86/ke
From: Joerg Roedel
In theory 0 is a valid value for the instruction pointer, so don't use
it as the error return value from insn_get_effective_ip().
Signed-off-by: Joerg Roedel
---
arch/x86/lib/insn-eval.c | 14 +++---
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/arch/
From: Joerg Roedel
Use irqentry_enter() and irqentry_exit() to track the runtime state of
the #VC handler. The reason it ran in NMI mode was solely to make sure
nothing interrupts the handler while the GHCB is in use.
This is handled now in sev_es_get/put_ghcb() directly, so there is no
reason t
From: Tom Lendacky
Some drivers require memory that is marked as EFI boot services data. So that
this memory is not re-used by the kernel after ExitBootServices(),
efi_mem_reserve() is used to preserve it by inserting a new EFI memory
descriptor and marking it with the EFI_MEMORY_RUNTIME attribut
On Mon, 31 May 2021 14:24:00 +0800, Jason Wang wrote:
>
> 在 2021/5/19 下午5:00, Xuan Zhuo 写道:
> > Due to long-term development, the current code structure of
> > page_to_skb() and the semantic expression of variables are rather
> > chaotic, so it is necessary to reconstruct this piece of logic.
> >
On Mon, Jun 07, 2021 at 09:54:22PM +0200, David Hildenbrand wrote:
> The parameter is unused, let's remove it.
>
> Cc: Catalin Marinas
> Cc: Will Deacon
> Cc: Michael Ellerman
> Cc: Benjamin Herrenschmidt
> Cc: Paul Mackerras
> Cc: Heiko Carstens
> Cc: Vasily Gorbik
> Cc: Christian Borntrae
On Mon, Jun 07, 2021 at 04:18:38PM +0300, Arseny Krasnov wrote:
On 07.06.2021 14:04, Stefano Garzarella wrote:
On Fri, Jun 04, 2021 at 09:03:26PM +0300, Arseny Krasnov wrote:
On 04.06.2021 18:03, Stefano Garzarella wrote:
On Fri, Jun 04, 2021 at 04:12:23PM +0300, Arseny Krasnov wrote:
On 03.
On Mon, Jun 07, 2021 at 02:39:28PM -0500, Rob Herring wrote:
> Convert the virtio-mmio binding to DT schema format.
>
> Cc: "Michael S. Tsirkin"
> Cc: Jason Wang
> Cc: Jean-Philippe Brucker
> Cc: virtualization@lists.linux-foundation.org
> Signed-off-by: Rob Herring
> ---
> Jean-Philippe, hope
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