On 30.06.22 05:32, SK, SivaSangeetha (Siva Sangeetha) wrote:
[AMD Official Use Only - General]
+team
-Original Message-
From: Stefano Stabellini
Sent: Thursday, June 30, 2022 1:34 AM
To: Julien Grall
Cc: SK, SivaSangeetha (Siva Sangeetha) ;
xen-devel@lists.xenproject.org; Stefano
flight 171411 linux-linus real [real]
http://logs.test-lab.xenproject.org/osstest/logs/171411/
Regressions :-(
Tests which did not succeed and are blocking,
including tests which could not be run:
test-amd64-amd64-dom0pvh-xl-intel 8 xen-bootfail REGR. vs. 171277
Hi,
> -Original Message-
> From: Jiamei Xie
> Sent: 2022年6月30日 9:54
> To: xen-devel@lists.xenproject.org
> Cc: Jiamei Xie ; Stefano Stabellini
> ; Julien Grall ; Bertrand Marquis
> ; Volodymyr Babchuk
> ; Wei Chen
> Subject: [PATCH v3] xen/arm: avoid overflow when setting vtimer in
[AMD Official Use Only - General]
+team
-Original Message-
From: Stefano Stabellini
Sent: Thursday, June 30, 2022 1:34 AM
To: Julien Grall
Cc: SK, SivaSangeetha (Siva Sangeetha) ;
xen-devel@lists.xenproject.org; Stefano Stabellini ;
Bertrand Marquis ; Volodymyr Babchuk
;
> From: Jane Malalane
> Sent: Wednesday, June 29, 2022 9:56 PM
>
> Introduce a new per-domain creation x86 specific flag to
> select whether hardware assisted virtualization should be used for
> x{2}APIC.
>
> A per-domain option is added to xl in order to select the usage of
> x{2}APIC hardware
The function flask_domain_alloc_security() is where a default sid should be
assigned to a domain under construction. For reasons unknown, the initial
domain would be assigned unlabeled_t and then fixed up under
flask_domain_create(). With the introduction of xenboot_t it is now possible
to
This commit implements full support for starting the idle domain privileged by
introducing a new flask label xenboot_t which the idle domain is labeled with
at creation. It then provides the implementation for the XSM hook
xsm_set_system_active to relabel the idle domain to the existing xen_t
There are new capabilities, dom0less and hyperlaunch, that introduce internal
hypervisor logic, which needs to make resource allocation calls that are
protected by XSM access checks. The need for these resource allocations are
necessary for dom0less and hyperlaunch when they are constructing the
This series makes it so that the idle domain is started privileged under the
default policy, which the SILO policy inherits, and under the flask policy. It
then introduces a new one-way XSM hook, xsm_transition_running, that is hooked
by an XSM policy to transition the idle domain to its running
> From: Jane Malalane
> Sent: Wednesday, June 29, 2022 11:17 PM
>
> On 29/06/2022 15:26, Jan Beulich wrote:
> > On 29.06.2022 15:55, Jane Malalane wrote:
> >> Add XEN_SYSCTL_PHYSCAP_X86_ASSISTED_XAPIC and
> >> XEN_SYSCTL_PHYSCAP_X86_ASSISTED_X2APIC to report accelerated xAPIC
> and
> >> x2APIC,
> From: Roger Pau Monné
> Sent: Wednesday, June 29, 2022 5:11 PM
>
> On Wed, Jun 29, 2022 at 08:41:43AM +, Tian, Kevin wrote:
> > > From: Roger Pau Monne
> > > Sent: Monday, June 27, 2022 6:01 PM
> > >
> > > The current logic in epte_get_entry_emt() will split any page marked
> > > as
flight 171408 linux-5.4 real [real]
flight 171414 linux-5.4 real-retest [real]
http://logs.test-lab.xenproject.org/osstest/logs/171408/
http://logs.test-lab.xenproject.org/osstest/logs/171414/
Regressions :-(
Tests which did not succeed and are blocking,
including tests which could not be run:
virt_vtimer_save is calculating the new time for the vtimer in:
"v->arch.virt_timer.cval + v->domain->arch.virt_timer_base.offset
- boot_count".
In this formula, "cval + offset" might cause uint64_t overflow.
Changing it to "ticks_to_ns(v->domain->arch.virt_timer_base.offset -
boot_count) +
On Mon, 20 Jun 2022, Oleksandr Tyshchenko wrote:
> From: Oleksandr Tyshchenko
>
> Depends on CONFIG_XEN_UNPOPULATED_ALLOC. If enabled then unpopulated
> contiguous pages will be allocated for grant mapping into instead of
> ballooning out real RAM pages.
>
> Also fallback to allocate DMAable
On Mon, 20 Jun 2022, Oleksandr Tyshchenko wrote:
> From: Oleksandr Tyshchenko
>
> Add ability to allocate unpopulated contiguous pages suitable for
> grant mapping into. This is going to be used by userspace PV backends
> for grant mappings in gnttab code (see gnttab_dma_alloc_pages()).
>
>
On 6/29/22 4:03 PM, Stefano Stabellini wrote:
Adding Juergen and Boris because this is a Linux/x86 issue.
As you can see from this Linux driver:
https://elixir.bootlin.com/linux/latest/source/drivers/crypto/ccp/tee-dev.c#L132
Linux as dom0 on x86 is trying to communicate with firmware
flight 171404 linux-linus real [real]
http://logs.test-lab.xenproject.org/osstest/logs/171404/
Regressions :-(
Tests which did not succeed and are blocking,
including tests which could not be run:
test-amd64-amd64-dom0pvh-xl-intel 8 xen-bootfail REGR. vs. 171277
flight 171402 xen-unstable real [real]
flight 171409 xen-unstable real-retest [real]
http://logs.test-lab.xenproject.org/osstest/logs/171402/
http://logs.test-lab.xenproject.org/osstest/logs/171409/
Failures :-/ but no regressions.
Tests which are failing intermittently (not blocking):
On Wed, 29 Jun 2022, Ayan Kumar Halder wrote:
> Hi Stefano/Xenia,
>
> On 29/06/2022 18:01, xenia wrote:
> > Hi Stefano,
> >
> > On 6/29/22 03:28, Stefano Stabellini wrote:
> > > On Sun, 26 Jun 2022, Xenia Ragiadakou wrote:
> > > > To be inline with XEN, do not enable direct mapping automatically
Adding Juergen and Boris because this is a Linux/x86 issue.
As you can see from this Linux driver:
https://elixir.bootlin.com/linux/latest/source/drivers/crypto/ccp/tee-dev.c#L132
Linux as dom0 on x86 is trying to communicate with firmware (TEE). Linux
is calling __pa to pass a physical address
Hi Stefano/Xenia,
On 29/06/2022 18:01, xenia wrote:
Hi Stefano,
On 6/29/22 03:28, Stefano Stabellini wrote:
On Sun, 26 Jun 2022, Xenia Ragiadakou wrote:
To be inline with XEN, do not enable direct mapping automatically
for all
statically allocated domains.
Signed-off-by: Xenia Ragiadakou
Back at the time of the original Spectre-v2 fixes, it was recommended to clear
MSR_SPEC_CTRL when going idle. This is because of the side effects on the
sibling thread caused by the microcode IBRS and STIBP implementations which
were retrofitted to existing CPUs.
However, there are no relevant
STIBP and PSFD are slightly weird bits, because they're both implied by other
bits in MSR_SPEC_CTRL. Add fine grain controls for them, and take the
implications into account when setting IBRS/SSBD.
Rearrange the IBPB text/variables/logic to keep all the MSR_SPEC_CTRL bits
together, for
Patch 2 has been posted before, but ages ago and has been rebased over
subseqent XSAs. Patch 1 is new.
Andrew Cooper (2):
x86/spec-ctrl: Only adjust MSR_SPEC_CTRL for idle with legacy IBRS
x86/spec-ctrl: Knobs for STIBP and PSFD, and follow hardware STIBP hint
(moving the discussion to xen-devel)
On 28/06/2022 16:32, Carmine Cesarano wrote:
Hi,
Hello,
Please refrain to top-post and/or post images on the ML. If you need to
share an image, then please upload them somewhere else.
I made two further attempts, first by compiling xen and xen-tools
flight 171400 linux-5.4 real [real]
flight 171406 linux-5.4 real-retest [real]
http://logs.test-lab.xenproject.org/osstest/logs/171400/
http://logs.test-lab.xenproject.org/osstest/logs/171406/
Regressions :-(
Tests which did not succeed and are blocking,
including tests which could not be run:
On Wed, 29 Jun 2022, Luca Fancellu wrote:
> + CC: Stefano Stabellini
>
> > On 24 Jun 2022, at 17:04, Anthony PERARD wrote:
> >
> > Patch "tools: Add -Werror by default to all tools/" have added
> > "-Werror" to CFLAGS in tools/Rules.mk, remove it from every other
> > makefiles as it is now
On Wed, 29 Jun 2022, Julien Grall wrote:
> On 28/06/2022 23:56, Stefano Stabellini wrote:
> > > The advantage of the panic() is it will remind us that some needs to be
> > > fixed.
> > > With a warning (or WARN()) people will tend to ignore it.
> >
> > I know that this specific code path (cpu
On 6/29/22 10:10 AM, Juergen Gross wrote:
On 23.06.22 11:46, Juergen Gross wrote:
The brk area needs to be zeroed initially, like the .bss section.
At the same time its memory should be covered by the ELF program
headers.
Juergen Gross (3):
x86/xen: use clear_bss() for Xen PV guests
On Thu, Jun 23, 2022 at 11:46:08AM +0200, Juergen Gross wrote:
> Commit e32683c6f7d2 ("x86/mm: Fix RESERVE_BRK() for older binutils")
> added the "NOLOAD" attribute to the .brk section as a "failsafe"
> measure.
>
> Unfortunately this leads to the linker no longer covering the .brk
> section in a
Hi Juergen,
It helps to actually Cc the person who broke it ;-)
On Thu, Jun 23, 2022 at 11:46:07AM +0200, Juergen Gross wrote:
> Commit e32683c6f7d2 ("x86/mm: Fix RESERVE_BRK() for older binutils")
> put the brk area into the .bss..brk section (placed directly behind
> .bss),
Hm? It didn't
In xen_pt_config_reg_init(), there is an error in the merging of the
emulated data with the host value. With the current Qemu, instead of
merging the emulated bits with the host bits as defined by emu_mask,
the emulated bits are merged with the host bits as defined by the
inverse of emu_mask. In
Hi Stefano,
On 6/29/22 03:28, Stefano Stabellini wrote:
On Sun, 26 Jun 2022, Xenia Ragiadakou wrote:
To be inline with XEN, do not enable direct mapping automatically for all
statically allocated domains.
Signed-off-by: Xenia Ragiadakou
Actually I don't know about this one. I think it is OK
On 29.06.2022 18:19, Roger Pau Monné wrote:
> On Wed, Jun 29, 2022 at 06:03:34PM +0200, Jan Beulich wrote:
>> On 29.06.2022 17:23, Roger Pau Monné wrote:
>>> On Thu, Jun 23, 2022 at 03:32:30PM +0200, Jan Beulich wrote:
On 23.06.2022 11:08, Roger Pau Monne wrote:
> Testing on a Kaby Lake
On 27.06.2022 12:01, Roger Pau Monne wrote:
> The current logic in epte_get_entry_emt() will split any page marked
> as special with order greater than zero, without checking whether the
> super page is all special.
>
> Fix this by only splitting the page only if it's not all marked as
> special,
On Wed, Jun 29, 2022 at 06:03:34PM +0200, Jan Beulich wrote:
> On 29.06.2022 17:23, Roger Pau Monné wrote:
> > On Thu, Jun 23, 2022 at 03:32:30PM +0200, Jan Beulich wrote:
> >> On 23.06.2022 11:08, Roger Pau Monne wrote:
> >>> Testing on a Kaby Lake box with 8 CPUs leads to the serial buffer
> >>>
On 29.06.2022 17:23, Roger Pau Monné wrote:
> On Thu, Jun 23, 2022 at 03:32:30PM +0200, Jan Beulich wrote:
>> On 23.06.2022 11:08, Roger Pau Monne wrote:
>>> Testing on a Kaby Lake box with 8 CPUs leads to the serial buffer
>>> being filled halfway during dom0 boot, and thus a non-trivial chunk of
On 29/06/2022 15:49, Christian Lindig wrote:
>
>
> On 29 Jun 2022, at 14:55, Jane Malalane
> mailto:jane.malal...@citrix.com>> wrote:
>
> + physinfo = caml_alloc_tuple(11);
> Store_field(physinfo, 0, Val_int(c_physinfo.threads_per_core));
> Store_field(physinfo, 1,
On Thu, Jun 23, 2022 at 03:32:30PM +0200, Jan Beulich wrote:
> On 23.06.2022 11:08, Roger Pau Monne wrote:
> > Testing on a Kaby Lake box with 8 CPUs leads to the serial buffer
> > being filled halfway during dom0 boot, and thus a non-trivial chunk of
> > Linux boot messages are dropped.
> >
> >
On 29/06/2022 15:26, Jan Beulich wrote:
> On 29.06.2022 15:55, Jane Malalane wrote:
>> Add XEN_SYSCTL_PHYSCAP_X86_ASSISTED_XAPIC and
>> XEN_SYSCTL_PHYSCAP_X86_ASSISTED_X2APIC to report accelerated xAPIC and
>> x2APIC, on x86 hardware. This is so that xAPIC and x2APIC virtualization
>> can
On 29/06/2022 15:10, Bertrand Marquis wrote:
Hi,
Hi Bertrand,
In fact the patch was committed before we started this discussion as Rahul R-b
was enough.
It was probably merged a bit too fast. When there are multiple
maintainers responsible for the code, I tend to prefer to wait a bit
On 29 Jun 2022, at 14:55, Jane Malalane
mailto:jane.malal...@citrix.com>> wrote:
+ physinfo = caml_alloc_tuple(11);
Store_field(physinfo, 0, Val_int(c_physinfo.threads_per_core));
Store_field(physinfo, 1, Val_int(c_physinfo.cores_per_socket));
Store_field(physinfo, 2,
On 29.06.2022 13:09, Jan Beulich wrote:
> On 29.06.2022 12:43, Anthony PERARD wrote:
>> On Thu, Jun 23, 2022 at 09:23:27AM +0200, Jan Beulich wrote:
>>> On 13.04.2022 13:21, Jane Malalane wrote:
Jane Malalane (2):
xen+tools: Report Interrupt Controller Virtualization capabilities on
On 29.06.2022 15:55, Jane Malalane wrote:
> Add XEN_SYSCTL_PHYSCAP_X86_ASSISTED_XAPIC and
> XEN_SYSCTL_PHYSCAP_X86_ASSISTED_X2APIC to report accelerated xAPIC and
> x2APIC, on x86 hardware. This is so that xAPIC and x2APIC virtualization
> can subsequently be enabled on a per-domain basis.
> No
Hi,
In fact the patch was committed before we started this discussion as Rahul R-b
was enough.
But I would still be interested to have other maintainers view on this.
> On 29 Jun 2022, at 10:03, Bertrand Marquis wrote:
>
> Hi Xenia,
>
>> On 29 Jun 2022, at 09:55, xenia wrote:
>>
>> Hi
On 23.06.22 11:46, Juergen Gross wrote:
The brk area needs to be zeroed initially, like the .bss section.
At the same time its memory should be covered by the ELF program
headers.
Juergen Gross (3):
x86/xen: use clear_bss() for Xen PV guests
x86: fix setup of brk area
x86: fix .brk
Introduce a new per-domain creation x86 specific flag to
select whether hardware assisted virtualization should be used for
x{2}APIC.
A per-domain option is added to xl in order to select the usage of
x{2}APIC hardware assisted virtualization, as well as a global
configuration option.
Having all
Add XEN_SYSCTL_PHYSCAP_X86_ASSISTED_XAPIC and
XEN_SYSCTL_PHYSCAP_X86_ASSISTED_X2APIC to report accelerated xAPIC and
x2APIC, on x86 hardware. This is so that xAPIC and x2APIC virtualization
can subsequently be enabled on a per-domain basis.
No such features are currently implemented on AMD
Jane Malalane (2):
xen+tools: Report Interrupt Controller Virtualization capabilities on
x86
x86/xen: Allow per-domain usage of hardware virtualized APIC
docs/man/xl.cfg.5.pod.in | 15 ++
docs/man/xl.conf.5.pod.in | 12 +++
Add instructions on how to build cppcheck, the version currently used
and an example to use the cppcheck integration to run the analysis on
the Xen codebase
Signed-off-by: Luca Fancellu
---
Changes in v2:
- typo fixes, removed build command line, rephrasing (Julien)
---
docs/misra/cppcheck.txt
Fix snprintf argument in init-dom0less.c because two instances of
the function are using libxl_dominfo struct members that are uint64_t
types, so change "%lu" to "%"PRIu64 to handle it properly when
building on arm32 and arm64.
Signed-off-by: Luca Fancellu
---
tools/helpers/init-dom0less.c | 5
flight 171393 qemu-mainline real [real]
http://logs.test-lab.xenproject.org/osstest/logs/171393/
Failures :-/ but no regressions.
Tests which did not succeed, but are not blocking:
test-amd64-amd64-xl-qemuu-win7-amd64 19 guest-stopfail like 171376
test-amd64-amd64-qemuu-nested-amd
flight 171396 libvirt real [real]
http://logs.test-lab.xenproject.org/osstest/logs/171396/
Regressions :-(
Tests which did not succeed and are blocking,
including tests which could not be run:
build-arm64-libvirt 6 libvirt-buildfail REGR. vs. 151777
build-amd64-libvirt
On 29.06.2022 12:43, Anthony PERARD wrote:
> On Thu, Jun 23, 2022 at 09:23:27AM +0200, Jan Beulich wrote:
>> On 13.04.2022 13:21, Jane Malalane wrote:
>>> Jane Malalane (2):
>>> xen+tools: Report Interrupt Controller Virtualization capabilities on
>>> x86
>>> x86/xen: Allow per-domain
Hi,
On 29/06/2022 11:46, Michal Orzel wrote:
On 27.06.2022 15:15, Michal Orzel wrote:
This is just for the style and consistency reasons as the former is
being used more often than the latter.
Signed-off-by: Michal Orzel
It looks like this change was forgotten when merging other patches
Hi Jan,
On 29/06/2022 07:19, Jan Beulich wrote:
On 29.06.2022 08:08, Penny Zheng wrote:
From: Jan Beulich
Sent: Wednesday, June 29, 2022 1:56 PM
On 29.06.2022 05:12, Penny Zheng wrote:
From: Julien Grall
Sent: Monday, June 27, 2022 6:19 PM
On 27/06/2022 11:03, Penny Zheng wrote:
On 27.06.2022 15:15, Michal Orzel wrote:
> This is just for the style and consistency reasons as the former is
> being used more often than the latter.
>
> Signed-off-by: Michal Orzel
It looks like this change was forgotten when merging other patches from the
series.
On Thu, Jun 23, 2022 at 09:23:27AM +0200, Jan Beulich wrote:
> On 13.04.2022 13:21, Jane Malalane wrote:
> > Jane Malalane (2):
> > xen+tools: Report Interrupt Controller Virtualization capabilities on
> > x86
> > x86/xen: Allow per-domain usage of hardware virtualized APIC
> >
> >
On 29/06/2022 08:13, Penny Zheng wrote:
Hi Julien
Hi Penny,
-Original Message-
From: Julien Grall
Sent: Saturday, June 25, 2022 2:22 AM
To: Penny Zheng ; xen-devel@lists.xenproject.org
Cc: Wei Chen ; Stefano Stabellini
; Bertrand Marquis ;
Volodymyr Babchuk ; Andrew Cooper
;
On 24.06.22 18:04, Anthony PERARD wrote:
Patch "tools: Add -Werror by default to all tools/" have added
"-Werror" to CFLAGS in tools/Rules.mk, remove it from every other
makefiles as it is now duplicated.
Signed-off-by: Anthony PERARD
Reviewed-by: Juergen Gross
Juergen
On 24.06.22 18:04, Anthony PERARD wrote:
This can be used when linking against multiple in-tree Xen libraries,
and avoid duplicated flags. It can be used instead of multiple
$(LDLIBS_libxen*).
For now, replace the open-coding in libs.mk.
The macro $(xenlibs-libs, ) will be useful later when
On 24.06.22 18:04, Anthony PERARD wrote:
This patch introduce a new macro $(xenlibs-dependencies,) to generate
a list of all the xen library that a library is list against, and they
are listed only once. We use the side effect of $(sort ) which remove
duplicates.
This is used by another macro
On 24.06.22 18:04, Anthony PERARD wrote:
There is no need to call the "headers.chk" target when it isn't
wanted, so it never need to be .PHONY.
Also, there is no more reason to separate the prerequisites from the
recipe.
Signed-off-by: Anthony PERARD
Reviewed-by: Juergen Gross
Juergen
On 24.06.22 18:04, Anthony PERARD wrote:
We can simply use $(PKG_CONFIG) to set the parameters, and add it to
$(TARGETS) as necessary.
Signed-off-by: Anthony PERARD
Reviewed-by: Juergen Gross
Juergen
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On 24.06.22 18:04, Anthony PERARD wrote:
Signed-off-by: Anthony PERARD
Reviewed-by: Juergen Gross
Juergen
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On 24.06.22 18:04, Anthony PERARD wrote:
Remove -I. from CFLAGS, it isn't necessary.
Removed $(AUTOSRCS), it isn't used.
Signed-off-by: Anthony PERARD
Reviewed-by: Juergen Gross
Juergen
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On 29/06/2022 06:38, Penny Zheng wrote:
Hi Julien
Hi Penny,
-Original Message-
From: Julien Grall
Sent: Saturday, June 25, 2022 1:55 AM
To: Penny Zheng ; xen-devel@lists.xenproject.org
Cc: Wei Chen ; Stefano Stabellini
; Bertrand Marquis ;
Volodymyr Babchuk
Subject: Re: [PATCH
> On 29 Jun 2022, at 11:16, Julien Grall wrote:
>
> Hi Luca,
>
> On 28/06/2022 16:23, Luca Fancellu wrote:
>>> On 24 Jun 2022, at 18:25, Julien Grall wrote:
>>> On 24/06/2022 14:34, Luca Fancellu wrote:
> On 24 Jun 2022, at 13:17, Julien Grall wrote:
>> Sorry for the late reply, this
Hi Luca,
On 28/06/2022 16:23, Luca Fancellu wrote:
On 24 Jun 2022, at 18:25, Julien Grall wrote:
On 24/06/2022 14:34, Luca Fancellu wrote:
On 24 Jun 2022, at 13:17, Julien Grall wrote:
Sorry for the late reply, this would be my changes, would you agree on them?
They LGTM.
Cheers,
--
On 24.06.22 18:04, Anthony PERARD wrote:
Signed-off-by: Anthony PERARD
Reviewed-by: Juergen Gross
Juergen
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On Fri, Jun 17, 2022 at 08:54:34PM +, George Dunlap wrote:
> Preface: It looks like this may be one of your first hypervisor patches. So
> thank you! FYI there’s a lot that needs fixing up here; please don’t read a
> tone of annoyance into it, I’m just trying to tell you what needs fixing
flight 171389 linux-linus real [real]
http://logs.test-lab.xenproject.org/osstest/logs/171389/
Regressions :-(
Tests which did not succeed and are blocking,
including tests which could not be run:
test-amd64-amd64-dom0pvh-xl-intel 8 xen-bootfail REGR. vs. 171277
On Wed, Jun 29, 2022 at 08:41:43AM +, Tian, Kevin wrote:
> > From: Roger Pau Monne
> > Sent: Monday, June 27, 2022 6:01 PM
> >
> > The current logic in epte_get_entry_emt() will split any page marked
> > as special with order greater than zero, without checking whether the
> > super page is
Hi Xenia,
> On 29 Jun 2022, at 09:55, xenia wrote:
>
> Hi Bertrand,
>
> On 6/29/22 10:24, Bertrand Marquis wrote:
>> Hi Xenia,
>>
>>> On 28 Jun 2022, at 16:08, Xenia Ragiadakou wrote:
>>>
>>> The expression 1 << 31 produces undefined behaviour because the type of
>>> integer
>>> constant 1
+ CC: Stefano Stabellini
> On 24 Jun 2022, at 17:04, Anthony PERARD wrote:
>
> Patch "tools: Add -Werror by default to all tools/" have added
> "-Werror" to CFLAGS in tools/Rules.mk, remove it from every other
> makefiles as it is now duplicated.
>
> Signed-off-by: Anthony PERARD
Hi
> From: Roger Pau Monné
> Sent: Tuesday, June 28, 2022 8:52 PM
>
> On Thu, Jun 09, 2022 at 12:17:23PM +0200, Jan Beulich wrote:
> > Before actually enabling their use, provide a means to suppress it in
> > case of problems. Note that using the option can also affect the sharing
> > of page
Hi Bertrand,
On 6/29/22 10:24, Bertrand Marquis wrote:
Hi Xenia,
On 28 Jun 2022, at 16:08, Xenia Ragiadakou wrote:
The expression 1 << 31 produces undefined behaviour because the type of integer
constant 1 is (signed) int and the result of shifting 1 by 31 bits is not
representable in the
On Thu, Jun 23, 2022 at 04:47:22PM +0200, Jan Beulich wrote:
> On 23.06.2022 10:24, Roger Pau Monne wrote:
> > Allow selecting the default x2APIC destination mode from Kconfig.
> > Note the default destination mode is still Logical (Cluster) mode.
> >
> > Signed-off-by: Roger Pau Monné
> > ---
>
flight 171387 xen-unstable real [real]
flight 171401 xen-unstable real-retest [real]
http://logs.test-lab.xenproject.org/osstest/logs/171387/
http://logs.test-lab.xenproject.org/osstest/logs/171401/
Failures :-/ but no regressions.
Tests which are failing intermittently (not blocking):
> From: Roger Pau Monne
> Sent: Monday, June 27, 2022 6:01 PM
>
> The current logic in epte_get_entry_emt() will split any page marked
> as special with order greater than zero, without checking whether the
> super page is all special.
>
> Fix this by only splitting the page only if it's not
Hi Julien
> -Original Message-
> From: Julien Grall
> Sent: Saturday, June 25, 2022 3:26 AM
> To: Penny Zheng ; xen-devel@lists.xenproject.org
> Cc: Wei Chen ; Stefano Stabellini
> ; Bertrand Marquis ;
> Volodymyr Babchuk
> Subject: Re: [PATCH v5 1/8] xen/arm: introduce static shared
Hi Julien
> -Original Message-
> From: Julien Grall
> Sent: Saturday, June 25, 2022 1:55 AM
> To: Penny Zheng ; xen-devel@lists.xenproject.org
> Cc: Wei Chen ; Stefano Stabellini
> ; Bertrand Marquis ;
> Volodymyr Babchuk
> Subject: Re: [PATCH v5 1/8] xen/arm: introduce static shared
Hi Stefano,
On 28/06/2022 23:56, Stefano Stabellini wrote:
The advantage of the panic() is it will remind us that some needs to be fixed.
With a warning (or WARN()) people will tend to ignore it.
I know that this specific code path (cpu off) is probably not super
relevant for what I am about
Hi Julien
> -Original Message-
> From: Julien Grall
> Sent: Saturday, June 25, 2022 3:18 AM
> To: Penny Zheng ; xen-devel@lists.xenproject.org
> Cc: Wei Chen ; Stefano Stabellini
> ; Bertrand Marquis ;
> Volodymyr Babchuk
> Subject: Re: [PATCH v5 5/8] xen/arm: Add additional reference
Hi Julien
> -Original Message-
> From: Julien Grall
> Sent: Saturday, June 25, 2022 3:07 AM
> To: Penny Zheng ; xen-devel@lists.xenproject.org
> Cc: Wei Chen ; Stefano Stabellini
> ; Bertrand Marquis ;
> Volodymyr Babchuk
> Subject: Re: [PATCH v5 3/8] xen/arm: allocate static shared
Hi Xenia,
> On 28 Jun 2022, at 16:08, Xenia Ragiadakou wrote:
>
> The expression 1 << 31 produces undefined behaviour because the type of
> integer
> constant 1 is (signed) int and the result of shifting 1 by 31 bits is not
> representable in the (signed) int type.
> Change the type of 1 to
Hi Julien
> -Original Message-
> From: Julien Grall
> Sent: Saturday, June 25, 2022 2:22 AM
> To: Penny Zheng ; xen-devel@lists.xenproject.org
> Cc: Wei Chen ; Stefano Stabellini
> ; Bertrand Marquis ;
> Volodymyr Babchuk ; Andrew Cooper
> ; George Dunlap ;
> Jan Beulich ; Wei Liu
>
> From: Roger Pau Monne
> Sent: Friday, May 20, 2022 9:38 PM
>
> Properly indent the handling of LBR enable in MSR_IA32_DEBUGCTLMSR
> vmx_msr_write_intercept().
>
> No functional change.
>
> Signed-off-by: Roger Pau Monné
Reviewed-by: Kevin Tian
> ---
> Feel free to squash onto the previous
(Cc-ing maintainers / reviewers)
On 28.06.2022 18:09, Charles Arnold wrote:
> From 359f490021e69220313ca8bd2981bad4fcfea0db Mon Sep 17 00:00:00 2001
> From: Charles Arnold
> Date: Tue, 28 Jun 2022 09:55:28 -0600
> Subject: Fix compilation error with gcc13.
>
> xc_psr.c:161:5: error:
On 24.03.22 15:01, Juergen Gross wrote:
Today most hypercall handlers have a return type of long, while the
compat ones return an int. There are a few exceptions from that rule,
however.
Get rid of the exceptions by letting compat handlers always return int
and others always return long, with
On 29.06.2022 08:08, Penny Zheng wrote:
>> From: Jan Beulich
>> Sent: Wednesday, June 29, 2022 1:56 PM
>>
>> On 29.06.2022 05:12, Penny Zheng wrote:
From: Julien Grall
Sent: Monday, June 27, 2022 6:19 PM
On 27/06/2022 11:03, Penny Zheng wrote:
>> -Original
Hi Jan
> -Original Message-
> From: Jan Beulich
> Sent: Wednesday, June 29, 2022 1:56 PM
> To: Penny Zheng
> Cc: Wei Chen ; Andrew Cooper
> ; George Dunlap ;
> Stefano Stabellini ; Wei Liu ; xen-
> de...@lists.xenproject.org; Julien Grall
> Subject: Re: [PATCH v7 7/9] xen/arm:
In xen_pt_config_reg_init(), there is an error in the merging of the
emulated data with the host value. With the current Qemu, instead of
merging the emulated bits with the host bits as defined by emu_mask,
the emulated bits are merged with the host bits as defined by the
inverse of emu_mask. In
Currently we are creating a register group for the Intel IGD OpRegion
for every device we pass through, but the XEN_PCI_INTEL_OPREGION
register group is only valid for an Intel IGD. Add a check to make
sure the device is an Intel IGD and a check that the administrator has
enabled gfx_passthru in
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