On 11/11/21 11:47, Peter Zijlstra wrote:
This technically could be RCU_INIT_POINTER but it's not worth a respin.
There are dozens of other occurrences, and if somebody wanted they
could use Coccinelle to fix all of them.
I've been pushing the other way, trying to get rid of RCU_INIT_POINTER()
This update is done to support device tree overlays functionality. This is taken
from David Gibson's DTC git: github.com/dgibson/dtc.
Change log:
v3 -> v4:
Remove unnecessary config.h and stdbool.h header includes from libfdt_env.h.
v2 -> v3:
Include version.lds changes.
v1 -> v2:
flight 166120 ovmf real [real]
http://logs.test-lab.xenproject.org/osstest/logs/166120/
Perfect :-)
All tests in this flight passed as required
version targeted for testing:
ovmf a92559671a3bbdbc154429cf66edf4f490bbe218
baseline version:
ovmf
flight 166117 linux-linus real [real]
http://logs.test-lab.xenproject.org/osstest/logs/166117/
Regressions :-(
Tests which did not succeed and are blocking,
including tests which could not be run:
test-amd64-coresched-amd64-xl 14 guest-start fail REGR. vs. 165976
Hi Elliott,
> -Original Message-
> From: Xen-devel On Behalf Of
> Elliott Mitchell
> Sent: Friday, November 12, 2021 12:28 PM
> To: Stefano Stabellini ; Julien Grall
> Cc: xen-devel@lists.xenproject.org
> Subject: ACPI/UEFI support for Xen/ARM status?
>
> I've been busy with another
I've been busy with another part of this project, so I've lost track of
progress on ACPI/UEFI support on ARM.
Last I'd read full support for ACPI/UEFI seemed a ways off. Using a stub
domain to constrain ACPI table parsing seemed the favored approach. I
was under the impression that would take
flight 166115 qemu-mainline real [real]
http://logs.test-lab.xenproject.org/osstest/logs/166115/
Failures :-/ but no regressions.
Tests which did not succeed, but are not blocking:
test-amd64-amd64-xl-rtds 20 guest-localmigrate/x10 fail like 166110
flight 166116 xen-unstable-smoke real [real]
http://logs.test-lab.xenproject.org/osstest/logs/166116/
Failures :-/ but no regressions.
Tests which did not succeed, but are not blocking:
test-amd64-amd64-libvirt 15 migrate-support-checkfail never pass
test-arm64-arm64-xl-xsm
On Thu, 11 Nov 2021 02:07:37 +,
Sean Christopherson wrote:
>
> Call KVM's (un)register perf callbacks helpers directly from arm.c and
> delete perf.c
>
> No functional change intended.
>
> Signed-off-by: Sean Christopherson
Reviewed-by: Marc Zyngier
M.
--
Without deviation
On Thu, 11 Nov 2021 02:07:36 +,
Sean Christopherson wrote:
>
> Move the definition of kvm_arm_pmu_available to pmu-emul.c and, out of
> "necessity", hide it behind CONFIG_HW_PERF_EVENTS. Provide a stub for
> the key's wrapper, kvm_arm_support_pmu_v3(). Moving the key's definition
> out of
On Thu, Nov 11, 2021 at 04:54:25PM +, Anthony PERARD wrote:
Hi Anthony,
> On Mon, Nov 08, 2021 at 11:02:25PM -0800, Vikram Garhwal wrote:
> > xc_dt_overlay() sends the device tree binary overlay, size of .dtbo and
> > overlay
> > operation type i.e. add or remove to xen.
> >
> >
flight 166113 linux-linus real [real]
http://logs.test-lab.xenproject.org/osstest/logs/166113/
Regressions :-(
Tests which did not succeed and are blocking,
including tests which could not be run:
test-amd64-coresched-amd64-xl 14 guest-start fail REGR. vs. 165976
Hi Andrew,
On 11/11/2021 17:57, Andrew Cooper wrote:
There are exactly 3 callers of sort() in the hypervisor.
Both arm callers pass in NULL for the swap function. While this might seem
like an attractive option at first, it causes generic_swap() to be used which
forced a byte-wise copy.
Passing CI runs:
https://cirrus-ci.com/build/6095362789212160
https://gitlab.com/xen-project/people/andyhhp/xen/-/pipelines/407123417
Andrew Cooper (5):
xen/domain: Remove function pointers from domain pause helpers
xen/domain: Improve pirq handling
xen/sort: Switch to an extern inline
Retpolines are expensive, and all these do are select between the sync and
nosync helpers. Pass a boolean instead, and use direct calls everywhere.
Pause/unpause operations on behalf of dom0 are not fastpaths, so avoid
exposing the __domain_pause_by_systemcontroller() internal.
This actually
There is no need for this to be an indirect jump at all. Execution always
returns to a specific location, so use a direct jump instead.
Use a named label for the jump. As both 1 and 2 have disappeared as labels,
rename 3 to skip to better describe its purpose.
Signed-off-by: Andrew Cooper
---
free_pirq_struct() has no external users, so shouldn't be exposed. Making it
static necessitates moving the function as domain_destroy() uses it.
Rework pirq_get_info() to have easier-to-follow logic. The one functional
change is to the insertion failure path; we should not be using a full
Function pointers are expensive, and the raw parameter is a constant from all
callers, meaning that it predicts very well with local branch history.
Furthermore, the knock-on effects are quite impressive.
$ ../scripts/bloat-o-meter xen-syms-before xen-syms-after
add/remove: 0/4 grow/shrink:
There are exactly 3 callers of sort() in the hypervisor.
Both arm callers pass in NULL for the swap function. While this might seem
like an attractive option at first, it causes generic_swap() to be used which
forced a byte-wise copy. Provide real swap functions which the compiler can
optimise
On Mon, Nov 08, 2021 at 11:02:25PM -0800, Vikram Garhwal wrote:
> xc_dt_overlay() sends the device tree binary overlay, size of .dtbo and
> overlay
> operation type i.e. add or remove to xen.
>
> Signed-off-by: Vikram Garhwal
> ---
> tools/include/xenctrl.h | 5 +
>
On Mon, Nov 08, 2021 at 11:02:26PM -0800, Vikram Garhwal wrote:
> Signed-off-by: Vikram Garhwal
> ---
> tools/include/libxl.h| 5
> tools/libs/light/Makefile| 3 ++
> tools/libs/light/libxl_overlay.c | 65
>
> 3 files changed,
On Wed, Nov 03, 2021 at 11:20:59AM +0100, Juergen Gross wrote:
> diff --git a/xen/Makefile b/xen/Makefile
> index a3189eb47c..dfdae47e74 100644
> --- a/xen/Makefile
> +++ b/xen/Makefile
> @@ -405,6 +406,7 @@ $(TARGET): delete-unfresh-files
> $(MAKE) -f $(BASEDIR)/Rules.mk -C include
>
Julien Grall writes ("Re: [PATCH v2] MAINTAINERS: add Bertrand to the ARM
reviewers"):
> (+ Ian)
>
> On 05/11/2021 15:44, Stefano Stabellini wrote:
> > Signed-off-by: Stefano Stabellini
>
> Acked-by: Julien Grall
>
> @Ian, do we need a release-acked-by for this?
No, it's fine, but for the
Julien Grall writes ("Re: [PATCH v3] xen/arm: don't assign domU static-mem to
dom0 as reserved-memory"):
> The first version of the patch [1] was tagged with for-4.16 and contains
> the rationale.
>
> I was thinking to commit it because it already contains your
> release-acked-by. Can you let
On Tue, Nov 09, 2021 at 07:17:53PM +0300, Dmitry Isaykin wrote:
> Up
The patch as been committed ;-)
https://xenbits.xen.org/gitweb/?p=xen.git;a=commitdiff;h=2faeb4213d9b412836fe80e5685bf51feb92
Cheers,
--
Anthony PERARD
On Thu, Nov 11, 2021 at 10:26:29AM +0100, Jan Beulich wrote:
> On 10.11.2021 19:17, Andrew Cooper wrote:
> > On 10/11/2021 17:40, Roger Pau Monne wrote:
> >> diff --git a/tools/libs/guest/xg_cpuid_x86.c
> >> b/tools/libs/guest/xg_cpuid_x86.c
> >> index 198892ebdf..3ffd5f683b 100644
> >> ---
Hi Ian,
On 11/11/2021 13:33, Ian Jackson wrote:
Julien Grall writes ("Re: [PATCH v3] xen/arm: don't assign domU static-mem to dom0
as reserved-memory"):
Hi Stefano,
On 10/11/2021 20:18, Stefano Stabellini wrote:
From: Stefano Stabellini
DomUs static-mem ranges are added to the
Julien Grall writes ("Re: [PATCH v3] xen/arm: don't assign domU static-mem to
dom0 as reserved-memory"):
> Hi Stefano,
>
> On 10/11/2021 20:18, Stefano Stabellini wrote:
> > From: Stefano Stabellini
> >
> > DomUs static-mem ranges are added to the reserved_mem array for
> > accounting, but
On 11/11/21 11:15, Peter Zijlstra wrote:
> On Wed, Nov 10, 2021 at 10:52:09PM +0100, Josef Johansson wrote:
>> On 11/3/21 00:36, Boris Ostrovsky wrote:
>>> Commit 66558b730f25 ("sched: Add cluster scheduler level for x86")
>>> introduced cpu_l2c_shared_map mask which is expected to be initialized
flight 166114 ovmf real [real]
http://logs.test-lab.xenproject.org/osstest/logs/166114/
Perfect :-)
All tests in this flight passed as required
version targeted for testing:
ovmf 22c3b5a865ec800b7eecf43de336ad5e2d917a08
baseline version:
ovmf
Hi Stefano,
On 10/11/2021 20:55, Stefano Stabellini wrote:
From: Stefano Stabellini
allocate_bank_memory can be called with a tot_size of zero, as an
example see the implementation of allocate_memory which can call
allocate_bank_memory with a tot_size of zero for the second memory bank.
If
On Thu, Nov 11, 2021 at 02:07:21AM +, Sean Christopherson wrote:
> Like Xu (1):
> perf/core: Rework guest callbacks to prepare for static_call support
>
> Sean Christopherson (16):
> perf: Protect perf_guest_cbs with RCU
> KVM: x86: Register perf callbacks after calling vendor's
>
Hi Stefano,
On 10/11/2021 20:18, Stefano Stabellini wrote:
From: Stefano Stabellini
DomUs static-mem ranges are added to the reserved_mem array for
accounting, but they shouldn't be assigned to dom0 as the other regular
reserved-memory ranges in device tree.
In make_memory_nodes, fix the
On 10.11.2021 13:39, Roger Pau Monné wrote:
> On Wed, Nov 10, 2021 at 09:19:35AM +, Jane Malalane wrote:
>> --- a/xen/drivers/cpufreq/utility.c
>> +++ b/xen/drivers/cpufreq/utility.c
>> @@ -417,10 +417,14 @@ int cpufreq_update_turbo(int cpuid, int new_state)
>> {
>> ret =
On 10.11.2021 10:19, Jane Malalane wrote:
> Before, user would change turbo status but this had no effect: boolean
> was set but policy wasn't reevaluated. Policy must be reevaluated so
> that CPU frequency is chosen according to the turbo status and the
> current governor.
Aiui this only (or at
To the maiontainer who will review this: could you
please consider these comments as part of your review:
Stefano Stabellini writes ("[PATCH v2 for-4.16] xen/arm: allocate_bank_memory:
don't create memory banks of size zero"):
> From: Stefano Stabellini
> In regards to inclusion in 4.16.
>
>
On Thu, Nov 11, 2021 at 08:26:58AM +0100, Paolo Bonzini wrote:
> On 11/11/21 03:07, Sean Christopherson wrote:
> > EXPORT_SYMBOL_GPL(perf_register_guest_info_callbacks);
> > int perf_unregister_guest_info_callbacks(struct perf_guest_info_callbacks
> > *cbs)
> > {
> > - perf_guest_cbs =
flight 166111 xen-unstable real [real]
http://logs.test-lab.xenproject.org/osstest/logs/166111/
Failures :-/ but no regressions.
Tests which are failing intermittently (not blocking):
test-arm64-arm64-xl-seattle 8 xen-boot fail in 166106 pass in 166111
test-armhf-armhf-xl-rtds 18
On Wed, Nov 10, 2021 at 10:52:09PM +0100, Josef Johansson wrote:
> On 11/3/21 00:36, Boris Ostrovsky wrote:
> > Commit 66558b730f25 ("sched: Add cluster scheduler level for x86")
> > introduced cpu_l2c_shared_map mask which is expected to be initialized
> > by smp_op.smp_prepare_cpus(). That
flight 166112 libvirt real [real]
http://logs.test-lab.xenproject.org/osstest/logs/166112/
Regressions :-(
Tests which did not succeed and are blocking,
including tests which could not be run:
build-amd64-libvirt 6 libvirt-buildfail REGR. vs. 151777
build-arm64-libvirt
On 09.11.2021 15:55, Jan Beulich wrote:
> 1: per-domain IOMMU bitmap needs to have dynamic size
> 2: fix reduced page table levels support when sharing tables
> 3: don't needlessly engage the untrusted-MSI workaround
>
> As to 4.16 considerations: Only patch 1 addresses a regression
> introduced
On 10.11.2021 19:17, Andrew Cooper wrote:
> On 10/11/2021 17:40, Roger Pau Monne wrote:
>> diff --git a/tools/libs/guest/xg_cpuid_x86.c
>> b/tools/libs/guest/xg_cpuid_x86.c
>> index 198892ebdf..3ffd5f683b 100644
>> --- a/tools/libs/guest/xg_cpuid_x86.c
>> +++ b/tools/libs/guest/xg_cpuid_x86.c
>>
Hi Stefano
> -Original Message-
> From: Stefano Stabellini
> Sent: Thursday, November 11, 2021 4:18 AM
> To: jul...@xen.org
> Cc: sstabell...@kernel.org; Penny Zheng ; Bertrand
> Marquis ; Wei Chen ;
> i...@xenproject.org; volodymyr_babc...@epam.com; xen-
> de...@lists.xenproject.org;
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