A large part of the content of the bug.h is repeated among all
architectures (especially x86 and RISCV have the same implementation), so it
was created a new config CONFIG_GENERIC_BUG_FRAME which is used to
introduce generic implementation of do_bug_frame() and move x86's
to with the following
On 02/03/2023 15:34, David Woodhouse wrote:
From: David Woodhouse
We provided the backend-facing evtchn functions very early on as part of
the core Xen platform support, since things like timers and xenstore need
to use them.
By what may or may not be an astonishing coincidence, those
On 02/03/2023 15:34, David Woodhouse wrote:
From: David Woodhouse
Whem emulating Xen, multi-page grants are distinctly non-trivial and we
have elected not to support them for the time being. Don't advertise
them to the guest.
Signed-off-by: David Woodhouse
---
hw/block/xen-block.c | 11
flight 179473 linux-linus real [real]
http://logs.test-lab.xenproject.org/osstest/logs/179473/
Regressions :-(
Tests which did not succeed and are blocking,
including tests which could not be run:
test-amd64-amd64-freebsd12-amd64 13 guest-start fail REGR. vs. 178042
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 before
On 02/03/2023 15:34, David Woodhouse wrote:
From: David Woodhouse
Now that we have the redirectable Xen backend operations we can build the
PV backends even without the Xen libraries.
Signed-off-by: David Woodhouse
---
hw/9pfs/meson.build| 2 +-
hw/block/dataplane/meson.build
Hi Andrei,
> On 7 Mar 2023, at 11:09, Andrei Cherechesu (OSS)
> wrote:
>
> From: Andrei Cherechesu
>
> Added support for parsing the ARM generic timer interrupts DT
> node by the "interrupt-names" property, if it is available.
>
> If not available, the usual parsing based on the expected
>
flight 179451 xen-unstable real [real]
http://logs.test-lab.xenproject.org/osstest/logs/179451/
Failures :-/ but no regressions.
Tests which did not succeed, but are not blocking:
test-amd64-amd64-xl-qemuu-win7-amd64 19 guest-stop fail blocked in 179392
Hi Andrei,
> On 7 Mar 2023, at 11:09, Andrei Cherechesu (OSS)
> wrote:
>
> From: Andrei Cherechesu
>
> Moved implementation for the function which parses the IRQs of a DT
> node by the "interrupt-names" property from the SMMU-v3 driver
> to the IRQ core code and made it non-static to be used
Hi Andrei,
When submitting patches, please use the add_maintainer.pl script so that
maintainers of the code
modified are added in CC.
> On 7 Mar 2023, at 11:09, Andrei Cherechesu (OSS)
> wrote:
>
> From: Andrei Cherechesu
>
> This 2-patch series fixes the parsing of the ARM Generic Timer
>
On Mon, Mar 06, 2023 at 03:02:51PM -0800, Stefano Stabellini wrote:
> On Mon, 6 Mar 2023, Andrew Cooper wrote:
> > On 03/03/2023 11:57 pm, Stefano Stabellini wrote:
> > > + only:
> > > +variables:
> > > + - $XILINX_JOBS == "true" && $CI_COMMIT_REF_PROTECTED == "true"
> >
> > We don't
On 07.03.2023 16:02, Juergen Gross wrote:
> On 07.03.23 15:34, Jan Beulich wrote:
>> On 07.03.2023 15:23, Juergen Gross wrote:
>>> On 07.03.23 15:18, Jan Beulich wrote:
On 07.03.2023 15:04, Juergen Gross wrote:
> On 07.03.23 11:41, Jan Beulich wrote:
>> On 07.03.2023 07:32, Juergen
On 07.03.23 15:34, Jan Beulich wrote:
On 07.03.2023 15:23, Juergen Gross wrote:
On 07.03.23 15:18, Jan Beulich wrote:
On 07.03.2023 15:04, Juergen Gross wrote:
On 07.03.23 11:41, Jan Beulich wrote:
On 07.03.2023 07:32, Juergen Gross wrote:
--- a/xen/Kconfig.debug
+++ b/xen/Kconfig.debug
@@
On 02/03/2023 15:34, David Woodhouse wrote:
From: David Woodhouse
This header is now only for native Xen code, not PV backends that may be
used in Xen emulation. Since the toolstack libraries may depend on the
specific version of Xen headers that they pull in (and will set the
__XEN_TOOLS__
On 07/03/2023 14:52, David Woodhouse wrote:
On Tue, 2023-03-07 at 14:44 +, Paul Durrant wrote:
On 02/03/2023 15:34, David Woodhouse wrote:
From: Paul Durrant
Signed-off-by: Paul Durrant
Signed-off-by: David Woodhouse
---
Reviewed-by: Paul Durrant
You're reviewing your own code on
On 07/03/2023 14:48, David Woodhouse wrote:
On Tue, 2023-03-07 at 14:40 +, Paul Durrant wrote:
-
-#define xenforeignmemory_unmap(h, p, s) munmap(p, s * XC_PAGE_SIZE)
-
Actually, probably best 'static inline' that, or at least put brackets
round the 'p' and 's' for safety.
That's the
On Tue, 2023-03-07 at 14:44 +, Paul Durrant wrote:
> On 02/03/2023 15:34, David Woodhouse wrote:
> > From: Paul Durrant
> >
> > Signed-off-by: Paul Durrant
> > Signed-off-by: David Woodhouse
> > ---
>
> Reviewed-by: Paul Durrant
You're reviewing your own code on some of those... :)
Do
On Tue, 2023-03-07 at 14:40 +, Paul Durrant wrote:
>
> > -
> > -#define xenforeignmemory_unmap(h, p, s) munmap(p, s * XC_PAGE_SIZE)
> > -
>
> Actually, probably best 'static inline' that, or at least put brackets
> round the 'p' and 's' for safety.
>
That's the one we're *removing* :)
>
On 02/03/2023 15:34, David Woodhouse wrote:
From: David Woodhouse
XC_PAGE_SIZE comes from the actual Xen libraries, while XEN_PAGE_SIZE is
provided by QEMU itself in xen_backend_ops.h. For backends which may be
built for emulation mode, use the latter.
Signed-off-by: David Woodhouse
---
On 02/03/2023 15:34, David Woodhouse wrote:
From: David Woodhouse
There's no need for this to be in the Xen accel code, and as we want to
use the Xen console support with KVM-emulated Xen we'll want to have a
platform-agnostic version of it. Make it use GString to build up the
path while we're
On Thu, Feb 23, 2023 at 01:42:08PM +0100, Jan Beulich wrote:
> On 23.02.2023 13:16, Matias Ezequiel Vara Larsen wrote:
> > On Fri, Feb 17, 2023 at 03:10:53PM +0100, Jan Beulich wrote:
> >> On 17.02.2023 10:29, Matias Ezequiel Vara Larsen wrote:
> >>> On Fri, Feb 17, 2023 at 09:57:43AM +0100, Jan
On 02/03/2023 15:34, David Woodhouse wrote:
From: Paul Durrant
Signed-off-by: Paul Durrant
Signed-off-by: David Woodhouse
---
accel/xen/xen-all.c | 11 +-
hw/char/xen_console.c | 2 +-
hw/i386/kvm/xen_xenstore.c | 3 -
On 02/03/2023 15:34, David Woodhouse wrote:
From: David Woodhouse
Signed-off-by: David Woodhouse
Signed-off-by: Paul Durrant
---
hw/char/xen_console.c| 8 +++---
hw/display/xenfb.c | 20 +++---
hw/xen/xen-operations.c | 45
On 07.03.2023 15:23, Juergen Gross wrote:
> On 07.03.23 15:18, Jan Beulich wrote:
>> On 07.03.2023 15:04, Juergen Gross wrote:
>>> On 07.03.23 11:41, Jan Beulich wrote:
On 07.03.2023 07:32, Juergen Gross wrote:
> --- a/xen/Kconfig.debug
> +++ b/xen/Kconfig.debug
> @@ -15,8 +15,11
On 02/03/2023 15:34, David Woodhouse wrote:
From: David Woodhouse
The previous commit introduced redirectable gnttab operations fairly
much like-for-like, with the exception of the extra arguments to the
->open() call which were always NULL/0 anyway.
This *changes* the arguments to the
On 07.03.23 15:18, Jan Beulich wrote:
On 07.03.2023 15:04, Juergen Gross wrote:
On 07.03.23 11:41, Jan Beulich wrote:
On 07.03.2023 07:32, Juergen Gross wrote:
--- a/xen/Kconfig.debug
+++ b/xen/Kconfig.debug
@@ -15,8 +15,11 @@ config DEBUG_INFO
bool "Compile Xen with debug info"
On 02/03/2023 15:34, David Woodhouse wrote:
From: David Woodhouse
Move the existing code using libxengnttab to xen-operations.c and allow
the operations to be redirected so that we can add emulation of grant
table mapping for backend drivers.
In emulation, mapping more than one grant ref to
On 07.03.2023 15:04, Juergen Gross wrote:
> On 07.03.23 11:41, Jan Beulich wrote:
>> On 07.03.2023 07:32, Juergen Gross wrote:
>>> --- a/xen/Kconfig.debug
>>> +++ b/xen/Kconfig.debug
>>> @@ -15,8 +15,11 @@ config DEBUG_INFO
>>> bool "Compile Xen with debug info"
>>> default DEBUG
>>>
On Tue, 2023-03-07 at 15:06 +0100, Juergen Gross wrote:
> On 07.03.23 14:51, David Woodhouse wrote:
> > On Mon, 2023-02-13 at 11:43 +0100, Johan Hovold wrote:
> > > The IRQ domain structures are currently protected by the global
> > > irq_domain_mutex. Switch to using more fine-grained per-domain
On 07.03.23 14:51, David Woodhouse wrote:
On Mon, 2023-02-13 at 11:43 +0100, Johan Hovold wrote:
The IRQ domain structures are currently protected by the global
irq_domain_mutex. Switch to using more fine-grained per-domain locking,
which can speed up parallel probing by reducing lock
On 02/03/2023 15:34, David Woodhouse wrote:
From: David Woodhouse
The existing implementation calling into the real libxenevtchn moves to
a new file hw/xen/xen-operations.c, and is called via a function table
which in a subsequent commit will also be able to invoke the emulated
event channel
On 07.03.23 11:41, Jan Beulich wrote:
On 07.03.2023 07:32, Juergen Gross wrote:
--- a/xen/Kconfig.debug
+++ b/xen/Kconfig.debug
@@ -15,8 +15,11 @@ config DEBUG_INFO
bool "Compile Xen with debug info"
default DEBUG
---help---
- If you say Y here the resulting Xen
On 02/03/2023 15:34, David Woodhouse wrote:
From: Paul Durrant
Signed-off-by: Paul Durrant
Signed-off-by: David Woodhouse
---
hw/i386/kvm/xen_xenstore.c | 70 ++
1 file changed, 70 insertions(+)
Reviewed-by: Paul Durrant
On Mon, 2023-02-13 at 11:43 +0100, Johan Hovold wrote:
> The IRQ domain structures are currently protected by the global
> irq_domain_mutex. Switch to using more fine-grained per-domain locking,
> which can speed up parallel probing by reducing lock contention.
>
> On a recent arm64 laptop, the
On 02/03/2023 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.
Yes. Assuming backends have properly implemented
flight 179496 ovmf real [real]
http://logs.test-lab.xenproject.org/osstest/logs/179496/
Perfect :-)
All tests in this flight passed as required
version targeted for testing:
ovmf aa1cd447b346e8cc8141df2fe2d321b032c08acb
baseline version:
ovmf
On 02/03/2023 15:34, David Woodhouse wrote:
From: Paul Durrant
Store perms as a GList of strings, check permissions.
Signed-off-by: Paul Durrant
Signed-off-by: David Woodhouse
---
hw/i386/kvm/xen_xenstore.c | 2 +-
hw/i386/kvm/xenstore_impl.c | 259 +---
On Tue, 2023-03-07 at 13:32 +, Paul Durrant wrote:
>
> Reviewed-by: Paul Durrant
>
> ... with a couple of nits in comments called out below...
Thanks, I'm fixing these and pushing them out to my tree at
https://git.infradead.org/users/dwmw2/qemu.git/shortlog/refs/heads/xenfv
(and
On Tue, 2023-03-07 at 13:59 +0100, Jan Beulich wrote:
> On 07.03.2023 13:52, Oleksii wrote:
> > On Mon, 2023-03-06 at 11:36 +0100, Jan Beulich wrote:
> > > On 03.03.2023 11:38, Oleksii Kurochko wrote:
> > > > --- a/xen/arch/x86/include/asm/bug.h
> > > > +++ b/xen/arch/x86/include/asm/bug.h
> > > >
On 02/03/2023 15:34, David Woodhouse wrote:
From: David Woodhouse
Firing watches on the nodes that still exist is relatively easy; just
walk the tree and look at the nodes with refcount of one.
Firing watches on *deleted* nodes is more fun. We add 'modified_in_tx'
and 'deleted_in_tx' flags to
On Tue, 2023-03-07 at 14:16 +0100, Jan Beulich wrote:
> On 07.03.2023 14:13, Oleksii wrote:
> > > > > > > +
> > > > > > > +#define BUG_FRAME(type, line, ptr, second_frame, msg) do
> > > > > > > { \
> > > > > > > + BUILD_BUG_ON((line) >> (BUG_LINE_LO_WIDTH +
> > > > > > >
On 07.03.2023 14:13, Oleksii wrote:
>> +
>> +#define BUG_FRAME(type, line, ptr, second_frame, msg) do
>> { \
>> + BUILD_BUG_ON((line) >> (BUG_LINE_LO_WIDTH +
>> BUG_LINE_HI_WIDTH)); \
>> + BUILD_BUG_ON((type) >=
>> BUGFRAME_NR);
On 02/03/2023 15:34, David Woodhouse wrote:
From: David Woodhouse
Given that the whole thing supported copy on write from the beginning,
transactions end up being fairly simple. On starting a transaction, just
take a ref of the existing root; swap it back in on a successful commit.
The main
> > > > > +
> > > > > +#define BUG_FRAME(type, line, ptr, second_frame, msg) do
> > > > > { \
> > > > > + BUILD_BUG_ON((line) >> (BUG_LINE_LO_WIDTH +
> > > > > BUG_LINE_HI_WIDTH)); \
> > > > > + BUILD_BUG_ON((type) >=
> > > > > BUGFRAME_NR);
On 07.03.2023 13:52, Oleksii wrote:
> On Mon, 2023-03-06 at 11:36 +0100, Jan Beulich wrote:
>> On 03.03.2023 11:38, Oleksii Kurochko wrote:
>>> --- a/xen/arch/x86/include/asm/bug.h
>>> +++ b/xen/arch/x86/include/asm/bug.h
>>> @@ -1,79 +1,12 @@
>>> #ifndef __X86_BUG_H__
>>> #define __X86_BUG_H__
On 07.03.2023 12:32, Oleksii wrote:
> On Mon, 2023-03-06 at 11:17 +0100, Jan Beulich wrote:
>>> On 03.03.2023 11:38, Oleksii Kurochko wrote:
> --- a/xen/common/Kconfig
> +++ b/xen/common/Kconfig
> @@ -28,6 +28,9 @@ config ALTERNATIVE_CALL
> config ARCH_MAP_DOMAIN_PAGE
>
On Mon, 2023-03-06 at 11:36 +0100, Jan Beulich wrote:
> On 03.03.2023 11:38, Oleksii Kurochko wrote:
> > The following changes were made:
> > * Make GENERIC_BUG_FRAME mandatory for X86
> > * Update asm/bug.h using generic implementation in
> > * Change prototype of debugger_trap_fatal() in
On 07.03.2023 13:04, Juergen Gross wrote:
> On 07.03.23 12:42, Jan Beulich wrote:
>> On 07.03.2023 12:33, Juergen Gross wrote:
>>> On 07.03.23 11:31, Jan Beulich wrote:
On 07.03.2023 07:32, Juergen Gross wrote:
> Using a rather oldish gcc (7.5) it was verified that code generation
>
On Tue, 2023-03-07 at 11:29 +, Paul Durrant wrote:
>
> I think you could stash a tail pointer here...
>
> > + }
> > +
> > + if (dom_id && s->nr_domu_watches >= XS_MAX_WATCHES) {
> > + return E2BIG;
> > + }
> > +
> > + w = g_new0(XsWatch, 1);
> > + w->token =
On 07.03.23 12:42, Jan Beulich wrote:
On 07.03.2023 12:33, Juergen Gross wrote:
On 07.03.23 11:31, Jan Beulich wrote:
On 07.03.2023 07:32, Juergen Gross wrote:
Using a rather oldish gcc (7.5) it was verified that code generation
doesn't really differ between CONFIG_DEBUG_INFO on or off
flight 179449 qemu-mainline real [real]
http://logs.test-lab.xenproject.org/osstest/logs/179449/
Failures :-/ but no regressions.
Tests which did not succeed, but are not blocking:
test-amd64-amd64-xl-qemuu-ws16-amd64 19 guest-stop fail blocked in 176342
On 07.03.2023 12:33, Juergen Gross wrote:
> On 07.03.23 11:31, Jan Beulich wrote:
>> On 07.03.2023 07:32, Juergen Gross wrote:
>>> Using a rather oldish gcc (7.5) it was verified that code generation
>>> doesn't really differ between CONFIG_DEBUG_INFO on or off without
>>> CONFIG_DEBUG being set
On Mon, 2023-03-06 at 11:41 +0100, Jan Beulich wrote:
> On 03.03.2023 11:38, Oleksii Kurochko wrote:
> > +int do_bug_frame(struct cpu_user_regs *regs, unsigned long pc)
> > +{
> > + const struct bug_frame *bug = NULL;
> > + const struct virtual_region *region;
> > + const char *prefix =
On 07.03.23 11:31, Jan Beulich wrote:
On 07.03.2023 07:32, Juergen Gross wrote:
In order to support hypervisor analysis of crash dumps, xen-syms needs
to contain debug_info. It should be allowed to configure the hypervisor
to be built with CONFIG_DEBUG_INFO in non-debug builds without having
to
On Mon, 2023-03-06 at 11:17 +0100, Jan Beulich wrote:
> > On 03.03.2023 11:38, Oleksii Kurochko wrote:
> > > > --- a/xen/common/Kconfig
> > > > +++ b/xen/common/Kconfig
> > > > @@ -28,6 +28,9 @@ config ALTERNATIVE_CALL
> > > > config ARCH_MAP_DOMAIN_PAGE
> > > > bool
> > > >
> > > >
flight 179487 ovmf real [real]
http://logs.test-lab.xenproject.org/osstest/logs/179487/
Perfect :-)
All tests in this flight passed as required
version targeted for testing:
ovmf c7c25997595aa34ce0a7a21ca2e1fc5b0f9b38a6
baseline version:
ovmf
On 02/03/2023 15:34, David Woodhouse wrote:
From: David Woodhouse
Starts out fairly simple: a hash table of watches based on the path.
Except there can be multiple watches on the same path, so the watch ends
up being a simple linked list, and the head of that list is in the hash
table. Which
On 02/03/2023 15:34, David Woodhouse wrote:
From: David Woodhouse
This is a fairly simple implementation of a copy-on-write tree.
The node walk function starts off at the root, with 'inplace == true'.
If it ever encounters a node with a refcount greater than one (including
the root node),
On 02/03/2023 15:34, David Woodhouse wrote:
From: David Woodhouse
This implements the basic wire protocol for the XenStore commands, punting
all the actual implementation to xs_impl_* functions which all just return
errors for now.
Signed-off-by: David Woodhouse
---
hw/i386/kvm/meson.build
On 07.03.2023 07:32, Juergen Gross wrote:
> --- a/xen/Kconfig.debug
> +++ b/xen/Kconfig.debug
> @@ -15,8 +15,11 @@ config DEBUG_INFO
> bool "Compile Xen with debug info"
> default DEBUG
> ---help---
> - If you say Y here the resulting Xen will include debugging info
> -
On 07.03.2023 07:32, Juergen Gross wrote:
> In order to support hypervisor analysis of crash dumps, xen-syms needs
> to contain debug_info. It should be allowed to configure the hypervisor
> to be built with CONFIG_DEBUG_INFO in non-debug builds without having
> to enable EXPERT.
In how far does
On 07.03.23 11:02, Jan Beulich wrote:
On 06.03.2023 17:29, Juergen Gross wrote:
tools/tests/vhpet tests don't build since ages (at least since 4.10)
and they can't be activated from outside of tools/tests/vhpet.
This isn't exactly true - see the run-tests-% goal in the top level
Makefile.
On 06.03.2023 15:23, Matias Ezequiel Vara Larsen wrote:
> Regarding your email, I have the following comments:
>
> - I still do not know how to choose the value of cacheline_size. I understand
> this value shall be between the actual cacheline_size and PAGE_SIZE. A value
> that could match most
From: Andrei Cherechesu
Added support for parsing the ARM generic timer interrupts DT
node by the "interrupt-names" property, if it is available.
If not available, the usual parsing based on the expected
IRQ order is performed.
Also added the "hyp-virt" PPI to the timer PPI list, even
though
From: Andrei Cherechesu
Moved implementation for the function which parses the IRQs of a DT
node by the "interrupt-names" property from the SMMU-v3 driver
to the IRQ core code and made it non-static to be used as helper.
Also changed it to receive a "struct dt_device_node*" as parameter,
like
From: Andrei Cherechesu
This 2-patch series fixes the parsing of the ARM Generic Timer
interrupts from the device tree.
If the generic timer interrupts order in the DT was different than
the expected order in Xen code, these interrupts would no longer be
correctly parsed and registered by Xen,
On 06.03.2023 17:29, Juergen Gross wrote:
> tools/tests/vhpet tests don't build since ages (at least since 4.10)
> and they can't be activated from outside of tools/tests/vhpet.
This isn't exactly true - see the run-tests-% goal in the top level
Makefile.
> Remove them as they seem to be
flight 179476 ovmf real [real]
http://logs.test-lab.xenproject.org/osstest/logs/179476/
Perfect :-)
All tests in this flight passed as required
version targeted for testing:
ovmf 46f51898ff716e53921b93e8d78af0fc7d06a2f9
baseline version:
ovmf
On Thu, 2023-02-02 at 10:10 +0100, Gerd Hoffmann wrote:
> > Thanks, Kevin.
> >
> > I'd like to get the rest of the Xen platform support in to qemu 8.0
> > if
> > possible. Which is currently scheduled for March.
> >
> > Is there likely to be a SeaBIOS release before then which Gerd
> > would
> >
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