to continue processing them. This lets
QEMU go back to the main loop and catch up.
Signed-off-by: Ross Lagerwall
---
hw/xen/xen-hvm-common.c | 26 +-
1 file changed, 17 insertions(+), 9 deletions(-)
Reviewed-by: Paul Durrant
On 08/04/2024 14:00, Ross Lagerwall wrote:
On Sat, Apr 6, 2024 at 11:58 AM Durrant, Paul wrote:
On 04/04/2024 15:08, Ross Lagerwall wrote:
A malicious or buggy guest may generated buffered ioreqs faster than
QEMU can process them in handle_buffered_iopage(). The result is a
livelock - QEMU
On 25/03/2024 12:21, Jesper Dangaard Brouer wrote:
Hi Arthur,
(Answer inlined below, which is custom on this mailing list)
On 23/03/2024 14.23, Arthur Borsboom wrote:
Hi Jesper,
After a recent kernel upgrade 6.7.6 > 6.8.1 all my Xen guests on Arch
Linux are dumping kernel traces.
It seems to
From: Paul Durrant
I am not as actively involved with the Xen project as I once was so I need
to relinquish some of my maintainer responsibilities: IOMMU and I/O
emulation.
NOTE: Since I am sole maintainer for I/O EMULATION (IOREQ) and
X86 I/O EMULATION, these sections are removed
On 13/02/2024 11:21, Breno Leitao wrote:
W=1 builds now warn if module is built without a MODULE_DESCRIPTION().
Add descriptions to the Xen backend network module.
Signed-off-by: Breno Leitao
---
drivers/net/xen-netback/netback.c | 1 +
1 file changed, 1 insertion(+)
Acked-by: Paul
t's
just a question of having a #define for it).
Either way...
Acked-by: Paul Durrant
--- a/xen/arch/x86/hvm/emulate.c
+++ b/xen/arch/x86/hvm/emulate.c
@@ -696,7 +696,12 @@ static void *hvmemul_map_linear_addr(
out:
/* Drop all held references. */
while ( mfn--
otherwise)?
Thanks, Jan
Yes, no objections.
Acked-by: Paul Durrant
--- a/xen/arch/x86/guest/hyperv/hyperv.c
+++ b/xen/arch/x86/guest/hyperv/hyperv.c
@@ -207,7 +207,7 @@ static int cf_check flush_tlb(
return hyperv_flush_tlb(mask, va, flags);
}
-static const struct hypervisor_ops __in
n a single dummy request
(the DEL would be ignored).
It appears the Solaris backend never coped with multiple extra_info so
what the 'correct' semantic would be is unclear.
Anyway...
Reviewed-by: Paul Durrant
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -1
On 01/02/2024 00:23, Jakub Kicinski wrote:
On Mon, 29 Jan 2024 14:03:08 +0100 Jan Beulich wrote:
Invoking the make_tx_response() / push_tx_responses() pair with no lock
held would be acceptable only if all such invocations happened from the
same context (NAPI instance or dealloc thread). Since
| 53 ++-
xen/arch/x86/tboot.c | 2 +-
5 files changed, 3 insertions(+), 61 deletions(-)
Reviewed-by: Paul Durrant
CHANGELOG entry for hwdom setup time improvements
Signed-off-by: Roger Pau Monné
Reviewed-by: Paul Durrant
/x86/include/asm/hvm/io.h | 3 ++
xen/arch/x86/include/asm/setup.h| 1 +
xen/arch/x86/setup.c| 48 +++
xen/drivers/passthrough/x86/iommu.c | 61 +
5 files changed, 129 insertions(+)
Reviewed-by: Paul Durrant
xen: add option to disable legacy
backends"
- Do not move xenstore global variable from xen-legacy-backend.c,
instead use a local variable.
---
accel/xen/xen-all.c | 16
1 file changed, 12 insertions(+), 4 deletions(-)
Reviewed-by: Paul Durrant
-replication.c | 11 --
util/async.c | 4 -
util/vhost-user-server.c | 3 -
scripts/block-coroutine-wrapper.py | 3 -
tests/tsan/suppressions.tsan | 1 -
41 files changed, 102 insertions(+), 1202 deletions(-)
Reviewed-by: Paul Durrant
ons(+), 25 deletions(-)
Reviewed-by: Paul Durrant
hanged, 502 insertions(+), 502 deletions(-)
Reviewed-by: Paul Durrant
On 23/11/2023 12:27, David Woodhouse wrote:
On 23 November 2023 12:17:57 GMT, Volodymyr Babchuk
wrote:
Hi David,
David Woodhouse writes:
Which PV backends do you care about? We already have net, block and console
converted.
Well, this is all what we need, actually. Even console only
On 22/11/2023 23:04, David Woodhouse wrote:
On Wed, 2023-11-22 at 22:56 +, Volodymyr Babchuk wrote:
Paul Durrant writes:
On 21/11/2023 22:10, Volodymyr Babchuk wrote:
From: David Woodhouse
This allows a XenDevice implementation to know whether it was
created
by QEMU, or merely
at 14:29 -0800, Stefano Stabellini wrote:
On Wed, 22 Nov 2023, Paul Durrant wrote:
On 21/11/2023 22:10, Volodymyr Babchuk wrote:
From: Oleksandr Tyshchenko
Instead of forcing the owner to domid 0, use XS_PRESERVE_OWNER to
inherit the owner of the directory.
Ah... so that's why the previous
On 21/11/2023 22:10, Volodymyr Babchuk wrote:
From: Oleksandr Tyshchenko
Instead of forcing the owner to domid 0, use XS_PRESERVE_OWNER to
inherit the owner of the directory.
Ah... so that's why the previous patch is there.
This is not the right way to fix it. The QEMU Xen support is
On 21/11/2023 22:10, Volodymyr Babchuk wrote:
Add option to preserve owner when creating an entry in Xen Store. This
may be needed in cases when Qemu is working as device model in a
*may* be needed?
I don't undertstand why this patch is necessary and the commit comment
isn't really helping
On 21/11/2023 22:10, Volodymyr Babchuk wrote:
From: David Woodhouse
This allows a XenDevice implementation to know whether it was created
by QEMU, or merely discovered in XenStore after the toolstack created
it. This will allow us to create frontend/backend nodes only when we
should, rather
On 21/11/2023 22:10, Volodymyr Babchuk wrote:
was created by QEMU
Xen PV devices in QEMU can be created in two ways: either by QEMU
itself, if they were passed via command line, or by Xen toolstack. In
the latter case, QEMU scans XenStore entries and configures devices
accordingly.
In the
| 2 +-
hw/xen/xen-bus.c | 4
include/hw/xen/xen-backend.h | 2 --
include/hw/xen/xen-bus.h | 2 ++
6 files changed, 9 insertions(+), 6 deletions(-)
Reviewed-by: Paul Durrant
On 15/11/2023 17:24, David Woodhouse wrote:
From: David Woodhouse
If a Xen console is configured on the command line, do not add a default
serial port.
Signed-off-by: David Woodhouse
---
system/vl.c | 1 +
1 file changed, 1 insertion(+)
Reviewed-by: Paul Durrant
to hopefully make it clearer to Coverity and human reviewers
alike.
Signed-off-by: David Woodhouse
---
hw/block/xen-block.c | 24 +---
1 file changed, 21 insertions(+), 3 deletions(-)
Reviewed-by: Paul Durrant
On 10/11/2023 15:42, Volodymyr Babchuk wrote:
Add option to preserve owner when creating an entry in Xen Store. This
may be needed in cases when Qemu is working as device model in a
domain that is Domain-0, e.g. in driver domain.
"owner" parameter for qemu_xen_xs_create() function can have
On 10/11/2023 15:42, Volodymyr Babchuk wrote:
From: Oleksandr Tyshchenko
Both state (XenbusStateClosed) and online (0) are expected by
toolstack/xl devd to completely destroy the device. But "offline"
is never being set by the backend resulting in timeout during
domain destruction, garbage in
On 10/11/2023 15:42, Volodymyr Babchuk wrote:
From: Oleksandr Tyshchenko
The PV backend running in other than Dom0 domain (non toolstack domain)
is not allowed to write frontend nodes. The more, the backend does not
need to do that at all, this is purely toolstack/xl devd business.
I do not
to hopefully make it clearer to Coverity and human reviewers
alike.
Signed-off-by: David Woodhouse
---
hw/block/xen-block.c | 24 +---
1 file changed, 21 insertions(+), 3 deletions(-)
Reviewed-by: Paul Durrant
+--
qemu-options.hx | 14 +++--
3 files changed, 91 insertions(+), 32 deletions(-)
Reviewed-by: Paul Durrant
-off-by: David Woodhouse
---
docs/sphinx/hxtool.py | 18 +-
docs/system/invocation.rst | 1 +
2 files changed, 18 insertions(+), 1 deletion(-)
Reviewed-by: Paul Durrant
| 2 +-
hw/xen/xen-bus.c | 4 +++-
include/hw/i386/pc.h | 4 +++-
include/hw/xen/xen-bus.h | 2 +-
6 files changed, 17 insertions(+), 8 deletions(-)
Reviewed-by: Paul Durrant
deletions(-)
Reviewed-by: Paul Durrant
using QAPI).
This allows making passthrough devices appear as functions in a Xen
guest.
Signed-off-by: Ross Lagerwall
Reviewed-by: Paul Durrant
On 25/10/2023 10:00, David Woodhouse wrote:
On Wed, 2023-10-25 at 09:31 +0100, Paul Durrant wrote:
On 24/10/2023 17:34, David Woodhouse wrote:
On Tue, 2023-10-24 at 17:25 +0100, Paul Durrant wrote:
On 24/10/2023 16:49, David Woodhouse wrote:
On Tue, 2023-10-24 at 16:39 +0100, Paul Durrant
On 24/10/2023 17:34, David Woodhouse wrote:
On Tue, 2023-10-24 at 17:25 +0100, Paul Durrant wrote:
On 24/10/2023 16:49, David Woodhouse wrote:
On Tue, 2023-10-24 at 16:39 +0100, Paul Durrant wrote:
On 24/10/2023 16:37, David Woodhouse wrote:
On Tue, 2023-10-24 at 15:20 +0100, Paul Durrant
On 24/10/2023 16:49, David Woodhouse wrote:
On Tue, 2023-10-24 at 16:39 +0100, Paul Durrant wrote:
On 24/10/2023 16:37, David Woodhouse wrote:
On Tue, 2023-10-24 at 15:20 +0100, Paul Durrant wrote:
On 16/10/2023 16:19, David Woodhouse wrote:
From: David Woodhouse
The primary console
On 24/10/2023 16:48, David Woodhouse wrote:
On Tue, 2023-10-24 at 16:44 +0100, Paul Durrant wrote:
On 19/10/2023 16:40, David Woodhouse wrote:
From: David Woodhouse
On soft reset, the prinary console event channel needs to be rebound to
the backend port (in the xen-console driver). We could
On 24/10/2023 16:17, David Woodhouse wrote:
[snip]
I don't think that's really a valid state for a network frontend. Linux
netback just ignores it.
Must we? I was thinking of making the ->frontend_changed() methods
optional and allowing backends to just provide ->connect() and
->disconnect()
On 19/10/2023 16:40, David Woodhouse wrote:
From: David Woodhouse
On soft reset, the prinary console event channel needs to be rebound to
the backend port (in the xen-console driver). We could put that into the
xen-console driver itself, but it's slightly less ugly to keep it within
the
On 24/10/2023 16:37, David Woodhouse wrote:
On Tue, 2023-10-24 at 15:20 +0100, Paul Durrant wrote:
On 16/10/2023 16:19, David Woodhouse wrote:
From: David Woodhouse
The primary console is special because the toolstack maps a page at a
fixed GFN and also allocates the guest-side event channel
to *rebind* to the event channel port after a reset.
Signed-off-by: David Woodhouse
---
hw/i386/kvm/xen_xenstore.c | 11 +++
1 file changed, 11 insertions(+)
Reviewed-by: Paul Durrant
On 19/10/2023 16:40, David Woodhouse wrote:
From: David Woodhouse
When fire_watch_cb() found the response buffer empty, it would call
deliver_watch() to generate the XS_WATCH_EVENT message in the response
buffer and send an event channel notification to the guest… without
actually *copying*
9789 ("hw/xen: Implement soft reset for emulated gnttab")
Signed-off-by: David Woodhouse
---
hw/i386/kvm/xen_gnttab.c | 2 --
1 file changed, 2 deletions(-)
Reviewed-by: Paul Durrant
3 files changed, 14 insertions(+)
Reviewed-by: Paul Durrant
On 17/10/2023 19:25, David Woodhouse wrote:
From: David Woodhouse
Signed-off-by: David Woodhouse
---
hw/net/meson.build| 2 +-
hw/net/trace-events | 9 +
hw/net/xen_nic.c | 426 +-
hw/xenpv/xen_machine_pv.c | 1 -
4 files
On 17/10/2023 19:25, David Woodhouse wrote:
From: David Woodhouse
When the Xen guest asks to unplug *emulated* NICs, it's kind of unhelpful
also to unplug the peer of the *Xen* PV NIC.
Signed-off-by: David Woodhouse
---
hw/i386/xen/xen_platform.c | 9 +++--
1 file changed, 7
On 16/10/2023 16:19, David Woodhouse wrote:
From: David Woodhouse
The primary console is special because the toolstack maps a page at a
fixed GFN and also allocates the guest-side event channel. Add support
for that in emulated mode, so that we can have a primary console.
Add a *very*
On 16/10/2023 16:19, David Woodhouse wrote:
From: David Woodhouse
Ensure that we have a XenBackendInstance for every device regardless
of whether it was "discovered" in XenStore or created directly in QEMU.
This allows the backend_list to be a source of truth about whether a
given backend
On 24/10/2023 14:29, David Woodhouse wrote:
On Tue, 2023-10-24 at 13:59 +0100, Paul Durrant wrote:
On 24/10/2023 13:56, David Woodhouse wrote:
On Tue, 2023-10-24 at 13:42 +0100, Paul Durrant wrote:
--- a/hw/xen/xen-bus.c
+++ b/hw/xen/xen-bus.c
@@ -711,8 +711,16 @@ static void
| 1 +
3 files changed, 24 insertions(+), 7 deletions(-)
Reviewed-by: Paul Durrant
path = g_string_new(dom_path);
-free(dom_path);
+/* */
-if (con->xendev.dev) {
-g_string_append_printf(path, "/device/console/%d", con->xendev.dev);
-} else {
-g_string_append(path, "/console");
+static void xen_console_disconnect(XenDevice *xendev, Error **errp)
+{
+XenConsole *con = XEN_CONSOLE_DEVICE(xendev);
+
+qemu_chr_fe_set_handlers(>chr, NULL, NULL, NULL, NULL,
+ con, NULL, true);
+
nit: extraneous blank line by the looks of it.
With that fixed...
Reviewed-by: Paul Durrant
On 24/10/2023 13:56, David Woodhouse wrote:
On Tue, 2023-10-24 at 13:42 +0100, Paul Durrant wrote:
--- a/hw/xen/xen-bus.c
+++ b/hw/xen/xen-bus.c
@@ -711,8 +711,16 @@ static void xen_device_frontend_create(XenDevice *xendev,
Error **errp)
{
ERRP_GUARD();
XenBus *xenbus
On 16/10/2023 16:19, David Woodhouse wrote:
From: David Woodhouse
The primary Xen console is special. The guest's side is set up for it by
the toolstack automatically and not by the standard PV init sequence.
Accordingly, its *frontend* doesn't appear in …/device/console/0 either;
instead it
guests to *rebind* to the event channel port after a reset.
... although this can also be done by querying the remote end of the
port before reset.
Signed-off-by: David Woodhouse
---
hw/i386/kvm/xen_xenstore.c | 10 ++
1 file changed, 10 insertions(+)
Reviewed-by: Paul Durrant
(+)
Reviewed-by: Paul Durrant
/interface/vcpu.h | 19 +--
include/hw/xen/interface/version.h| 19 +--
include/hw/xen/interface/xen-compat.h | 19 +--
include/hw/xen/interface/xen.h| 19 +--
29 files changed, 124 insertions(+), 523 deletions(-)
Acked-by: Paul
On 16/10/2023 16:18, David Woodhouse wrote:
From: David Woodhouse
A guest which has configured the per-vCPU upcall vector may set the
HVM_PARAM_CALLBACK_IRQ param to fairly much anything other than zero.
For example, Linux v6.0+ after commit b1c3497e604 ("x86/xen: Add support
for
insertions(+), 3 deletions(-)
Reviewed-by: Paul Durrant
in that direction which necessitates
this patch.
Signed-off-by: David Kahurani
Acked-by: Paul Durrant
+-
xen/arch/x86/hvm/io.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
Acked-by: Paul Durrant
n/include/xen/ioreq.h | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
Acked-by: Paul Durrant
2 +-
xen/arch/x86/hvm/viridian/time.c | 10 +-
2 files changed, 6 insertions(+), 6 deletions(-)
Reviewed-by: Paul Durrant
hanged, 15 insertions(+), 15 deletions(-)
Reviewed-by: Paul Durrant
/plug.c | 109 +++---
hw/block/dataplane/xen-block.c| 10 +--
hw/block/virtio-blk.c | 4 +-
hw/scsi/virtio-scsi.c | 6 +-
9 files changed, 76 insertions(+), 79 deletions(-)
Reviewed-by: Paul Durrant
/xen/xen_platform.c | 7 ---
1 file changed, 4 insertions(+), 3 deletions(-)
Reviewed-by: Paul Durrant
(-)
Reviewed-by: Paul Durrant
include/asm/hvm/io.h | 14 +++---
2 files changed, 11 insertions(+), 11 deletions(-)
Reviewed-by: Paul Durrant
f-by: Anthony PERARD
---
hw/block/xen-block.c | 11 ++-
1 file changed, 6 insertions(+), 5 deletions(-)
Reviewed-by: Paul Durrant
On 25/05/2023 16:25, Olaf Hering wrote:
Introduced in commit 6ddfaabceeec3c31bc97a7208c46f581de55f71d
("x86/hvm/ioreq: simplify code and use consistent naming").
Signed-off-by: Olaf Hering
---
xen/arch/x86/hvm/ioreq.c | 1 -
1 file changed, 1 deletion(-)
Reviewed-by: Paul Durrant
On 24/04/2023 14:17, Tim Smith wrote:
On Mon, Apr 24, 2023 at 1:08 PM Mark Syms wrote:
Copying in Tim who did the final phase of the changes.
On Mon, 24 Apr 2023 at 11:32, Paul Durrant wrote:
On 20/04/2023 12:02, mark.s...@citrix.com wrote:
From: Mark Syms
Ensure the PV ring is drained
: Anthony Perard
CC: Paul Durrant
CC: xen-devel@lists.xenproject.org
v2:
* Ensure all inflight requests are completed before teardown
* RESEND to fix formatting
---
hw/block/dataplane/xen-block.c | 31 +--
1 file changed, 25 insertions(+), 6 deletions(-)
diff
Woodhouse
Signed-off-by: Stefan Hajnoczi
---
hw/i386/kvm/xen_xenstore.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Reviewed-by: Paul Durrant
d Woodhouse
---
hw/i386/kvm/xen_xenstore.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Reviewed-by: Paul Durrant
("hw/xen: Move xenstore_store_pv_console_info to
xen_console.c")
Signed-off-by: David Woodhouse
---
hw/char/xen_console.c | 13 +++--
1 file changed, 3 insertions(+), 10 deletions(-)
Reviewed-by: Paul Durrant
ve.h | 107 +---
meson.build | 5 +-
scripts/xen-detect.c| 60
4 files changed, 3 insertions(+), 226 deletions(-)
Reviewed-by: Paul Durrant
: Add xenstore operations to allow redirection to
internal emulation")
Suggested-by: Peter Maydell
Signed-off-by: David Woodhouse
Reviewed-by: Peter Maydell
Reviewed-by: Paul Durrant
, as
XEN_RING_NR_UNCONSUMED_REQUESTS() is taking unsent responses into
consideration, too.
Remove the tests.
Suggested-by: Jan Beulich
Signed-off-by: Juergen Gross
---
drivers/net/xen-netback/netback.c | 4
1 file changed, 4 deletions(-)
Reviewed-by: Paul Durrant
hanged, 24 insertions(+), 3 deletions(-)
Reviewed-by: Paul Durrant
. Add the missing call to setup_xen_backend_ops().
Fixes: b6cacfea0b38 ("hw/xen: Add evtchn operations to allow redirection to internal
emulation")
Reported-by: Anthony PERARD
Signed-off-by: David Woodhouse
---
hw/xenpv/xen_machine_pv.c | 2 ++
1 file changed, 2 insertions(+)
Reviewe
On 20/03/2023 10:34, Jan Beulich wrote:
On 20.03.2023 10:04, Paul Durrant wrote:
On 17/03/2023 10:32, David Woodhouse wrote:
From: David Woodhouse
The emulated PIIX3 uses a nybble for the status of each PCI function,
so the status for e.g. slot 0 functions 0 and 1 respectively can be
read
On 17/03/2023 10:32, David Woodhouse wrote:
From: David Woodhouse
The emulated PIIX3 uses a nybble for the status of each PCI function,
so the status for e.g. slot 0 functions 0 and 1 respectively can be
read as (\_GPE.PH00 & 0x0F), and (\_GPE.PH00 >> 0x04).
The AML that Xen gives to a guest
all.c | 27 ++-
1 file changed, 10 insertions(+), 17 deletions(-)
Reviewed-by: Paul Durrant
p guest XENSTORE_PFN grant in emulated Xenstore
hw/xen: Implement soft reset for emulated gnttab
i386/xen: Initialize Xen backends from pc_basic_device_init() for
emulation
MAINTAINERS: Add entry for Xen on KVM emulation
docs: Update Xen-on-KVM documentation for PV disk s
device xen-disk,drive=disk,vdev=xvda
If we use -M pc instead of q35, we can even add an IDE disk and boot a
guest image normally through grub. But q35 gives us AHCI and that isn't
unplugged by the Xen magic, so the guests ends up seeing "both" disks.
Signed-off-by: David Woodhouse
Revie
On 07/03/2023 16:59, Paul Durrant wrote:
On 07/03/2023 16:52, David Woodhouse wrote:
On Tue, 2023-03-07 at 16:39 +, Paul Durrant wrote:
On 07/03/2023 16:33, David Woodhouse wrote:
On Thu, 2023-03-02 at 15:34 +, David Woodhouse wrote:
From: David Woodhouse
In fact I think we want
On 07/03/2023 16:52, David Woodhouse wrote:
On Tue, 2023-03-07 at 16:39 +, Paul Durrant wrote:
On 07/03/2023 16:33, David Woodhouse wrote:
On Thu, 2023-03-02 at 15:34 +, David Woodhouse wrote:
From: David Woodhouse
In fact I think we want to only serialize the contents
On 07/03/2023 16:39, Paul Durrant wrote:
On 07/03/2023 16:33, David Woodhouse wrote:
On Thu, 2023-03-02 at 15:34 +, David Woodhouse wrote:
From: David Woodhouse
In fact I think we want to only serialize the contents of the domain's
path in /local/domain/${domid} and leave the rest
On 07/03/2023 16:33, David Woodhouse wrote:
On Thu, 2023-03-02 at 15:34 +, David Woodhouse wrote:
From: David Woodhouse
In fact I think we want to only serialize the contents of the domain's
path in /local/domain/${domid} and leave the rest to be recreated? Will
defer to Paul for that.
On 07/03/2023 16:22, David Woodhouse wrote:
From: David Woodhouse
Signed-off-by: David Woodhouse
---
docs/system/i386/xen.rst | 30 +++---
1 file changed, 23 insertions(+), 7 deletions(-)
Reviewed-by: Paul Durrant
On 07/03/2023 16:21, David Woodhouse wrote:
From: David Woodhouse
Signed-off-by: David Woodhouse
---
MAINTAINERS | 9 +
1 file changed, 9 insertions(+)
Reviewed-by: Paul Durrant
-
hw/i386/pc.c | 7 +++
1 file changed, 7 insertions(+)
Reviewed-by: Paul Durrant
+
3 files changed, 30 insertions(+), 2 deletions(-)
Reviewed-by: Paul Durrant
t's in use in the guest-visible grant table.
Might be useful to stick this text in the commit comment too.
Reviewed-by: Paul Durrant
+ */
+s->gt = qemu_xen_gnttab_open();
+uint32_t xs_gntref = GNTTAB_RESERVED_XENSTORE;
+s->granted_xs = qemu_xen_gnttab_map_refs(s->gt, 1, xen_domid, _gntref,
+ PROT_READ | PROT_WRITE);
+
return 0;
}
deletions(-)
Reviewed-by: Paul Durrant
ought to fail to set the flags if the guest is playing with the domid
but since we're single-tenant it doesn't *really* matter... just a
nice-to-have. So...
Reviewed-by: Paul Durrant
insertions(+)
Reviewed-by: Paul Durrant
---
1 file changed, 8 insertions(+), 3 deletions(-)
Reviewed-by: Paul Durrant
On 02/03/2023 15:34, David Woodhouse wrote:
From: Paul Durrant
The xen-block code ends up calling aio_poll() through blkconf_geometry(),
which means we see watch events during the indirect call to
xendev_class->realize() in xen_device_realize(). Unfortunately this call
is made bef
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