On 16.09.19 17:44, Jan Beulich wrote:
On 16.09.2019 16:50, Andrew Cooper wrote:
After a complicated investigation, it turns out that c/s 2529c850ea48
broke xc_vcpu_getinfo().
The bug looks as if it is in vcpu_runstate_get(), which doesn't account
for XEN_RUNSTATE_UPDATE and calculating a wildly
On 23.09.19 11:51, Jan Beulich wrote:
On 23.09.2019 11:42, Jürgen Groß wrote:
On 16.09.19 17:44, Jan Beulich wrote:
On 16.09.2019 16:50, Andrew Cooper wrote:
After a complicated investigation, it turns out that c/s 2529c850ea48
broke xc_vcpu_getinfo().
The bug looks as if it is in
On 23.09.19 12:12, Jan Beulich wrote:
On 23.09.2019 11:56, Jürgen Groß wrote:
On 23.09.19 11:51, Jan Beulich wrote:
On 23.09.2019 11:42, Jürgen Groß wrote:
On 16.09.19 17:44, Jan Beulich wrote:
On 16.09.2019 16:50, Andrew Cooper wrote:
After a complicated investigation, it turns out that c
On 24.09.19 11:46, Jan Beulich wrote:
On 14.09.2019 10:52, Juergen Gross wrote:
@@ -366,18 +380,38 @@ static void sched_free_unit(struct sched_unit *unit)
xfree(unit);
}
+static void sched_unit_add_vcpu(struct sched_unit *unit, struct vcpu *v)
+{
+v->sched_unit = unit;
+if (
On 24.09.19 10:39, Jan Beulich wrote:
On 24.09.2019 09:42, Juergen Gross wrote:
vcpu_runstate_get() should never return a state entry time with
XEN_RUNSTATE_UPDATE set. To avoid this let update_runstate_area()
operate on a local runstate copy.
This problem was introduced with commit 2529c850ea4
On 24.09.19 10:36, Lars Kurth wrote:
Hi all,
because many of us will be at the Platform Security Summit next week, I
propose to move the community call to Thu 10^th at the usual time
+1
... especially as there is a public holiday in Germany on Oct 3rd.
Juergen
___
On 24.09.19 13:15, Sergey Dyasli wrote:
Hi Juergen,
After an extensive testing of your jgross1/sched-v3 branch in XenRT,
I'm happy to say that we've found no functional regressions so far
when running in the default (thread/cpu) mode.
Hopefully this gives some level of confidence to this series
On 19.09.19 17:27, Jan Beulich wrote:
On 14.09.2019 10:52, Juergen Gross wrote:
This prepares support of larger scheduling granularities, e.g. core
scheduling.
While at it move sched_has_urgent_vcpu() from include/asm-x86/cpuidle.h
into sched.h removing the need for including sched-if.h in cpui
On 19.09.19 17:38, Jan Beulich wrote:
On 14.09.2019 10:52, Juergen Gross wrote:
Affinities are scheduler specific attributes, they should be per
scheduling unit. So move all affinity related fields in struct vcpu
to struct sched_unit. While at it switch affinity related functions in
sched-if.h t
On 19.09.19 17:45, Jan Beulich wrote:
On 14.09.2019 10:52, Juergen Gross wrote:
Add the following helpers using a sched_unit as input instead of a
vcpu:
- is_idle_unit() similar to is_idle_vcpu()
- is_unit_online() similar to is_vcpu_online() (returns true when any
of its vcpus is online)
-
On 19.09.19 17:53, Jan Beulich wrote:
On 14.09.2019 10:52, Juergen Gross wrote:
@@ -1673,8 +1676,10 @@ static void schedule(void)
* switch, else lost_records resume will not work properly.
*/
-ASSERT(!next->is_running);
+ASSERT(!next->sched_unit->is_running);
next
On 20.09.19 16:34, Jan Beulich wrote:
On 14.09.2019 10:52, Juergen Gross wrote:
--- a/xen/common/schedule.c
+++ b/xen/common/schedule.c
@@ -474,12 +474,20 @@ int sched_init_vcpu(struct vcpu *v)
return 0;
}
-static void sched_move_irqs(struct vcpu *v)
+static void vcpu_move_irqs(struc
On 20.09.19 17:05, Jan Beulich wrote:
On 14.09.2019 10:52, Juergen Gross wrote:
@@ -508,25 +515,27 @@ int sched_move_domain(struct domain *d, struct cpupool *c)
if ( IS_ERR(domdata) )
return PTR_ERR(domdata);
-vcpu_priv = xzalloc_array(void *, d->max_vcpus);
-if ( vcp
On 24.09.19 14:00, Jan Beulich wrote:
On 24.09.2019 13:47, Jürgen Groß wrote:
On 19.09.19 17:53, Jan Beulich wrote:
On 14.09.2019 10:52, Juergen Gross wrote:
@@ -1673,8 +1676,10 @@ static void schedule(void)
* switch, else lost_records resume will not work properly
On 20.09.19 17:27, Jan Beulich wrote:
On 14.09.2019 10:52, Juergen Gross wrote:
@@ -368,7 +372,7 @@ static struct sched_unit *sched_alloc_unit(struct vcpu *v)
unit->vcpu_list = v;
unit->unit_id = v->vcpu_id;
unit->domain = d;
-v->sched_unit = unit;
+unit->runstate_cnt[v
On 20.09.19 18:08, Jan Beulich wrote:
On 14.09.2019 10:52, Juergen Gross wrote:
--- a/xen/common/schedule.c
+++ b/xen/common/schedule.c
@@ -55,6 +55,9 @@ boolean_param("sched_smt_power_savings",
sched_smt_power_savings);
int sched_ratelimit_us = SCHED_DEFAULT_RATELIMIT_US;
integer_param("sc
On 23.09.19 17:24, Jan Beulich wrote:
On 14.09.2019 10:52, Juergen Gross wrote:
Today the vcpu runstate of a new scheduled vcpu is always set to
"running" even if at that time vcpu_runnable() is already returning
false due to a race (e.g. with pausing the vcpu).
I can see this part, ...
With
On 23.09.19 17:41, Jan Beulich wrote:
On 14.09.2019 10:52, Juergen Gross wrote:
@@ -266,15 +267,16 @@ static inline void vcpu_runstate_change(
static inline void sched_unit_runstate_change(struct sched_unit *unit,
bool running, s_time_t new_entry_time)
{
-struct vcpu *v = unit->vcp
On 24.09.19 16:35, Julien Grall wrote:
Hi all,
The two patches are not related but the second one dependends on the first
one. So I decided to merge them together.
Cheers,
Julien Grall (2):
xen/arm: Implement workaround for Cortex A-57 and Cortex A72 AT
speculate
docs: Replace all i
On 23.09.19 17:44, Jan Beulich wrote:
On 14.09.2019 10:52, Juergen Gross wrote:
cpupool_domain_cpumask() is used by scheduling to select cpus or to
iterate over cpus. In order to support scheduling units spanning
multiple cpus let cpupool_domain_cpumask() return a cpumask with only
one bit set p
On 23.09.19 17:50, Jan Beulich wrote:
On 14.09.2019 10:52, Juergen Gross wrote:
--- a/xen/common/cpupool.c
+++ b/xen/common/cpupool.c
@@ -36,26 +36,35 @@ static DEFINE_SPINLOCK(cpupool_lock);
DEFINE_PER_CPU(struct cpupool *, cpupool);
+static void free_cpupool_struct(struct cpupool *c)
On 24.09.19 16:45, Jan Beulich wrote:
On 24.09.2019 16:25, Jürgen Groß wrote:
On 23.09.19 17:24, Jan Beulich wrote:
On 14.09.2019 10:52, Juergen Gross wrote:
Today the vcpu runstate of a new scheduled vcpu is always set to
"running" even if at that time vcpu_runnable() is already
On 24.09.19 14:31, Jan Beulich wrote:
On 24.09.2019 14:13, Jürgen Groß wrote:
On 20.09.19 17:05, Jan Beulich wrote:
On 14.09.2019 10:52, Juergen Gross wrote:
@@ -896,18 +929,22 @@ void restore_vcpu_affinity(struct domain *d)
cpupool_domain_cpumask(d));
if
On 24.09.19 17:00, Jan Beulich wrote:
On 24.09.2019 16:41, Jürgen Groß wrote:
On 23.09.19 17:41, Jan Beulich wrote:
On 14.09.2019 10:52, Juergen Gross wrote:
@@ -1851,7 +1852,7 @@ void sched_context_switched(struct vcpu *vprev, struct
vcpu *vnext)
while ( atomic_read(&
On 24.09.19 14:08, Jan Beulich wrote:
On 24.09.2019 13:41, Jürgen Groß wrote:
Regarding to rename "sd" to "sr": I agree this would be a sensible
change. OTOH I'd like to be consistent, so I'd like to defer that to
the planned scheduling cleanup series.
Seeing a
On 24.09.19 12:13, Jan Beulich wrote:
On 24.09.2019 12:06, Jürgen Groß wrote:
On 24.09.19 11:46, Jan Beulich wrote:
On 14.09.2019 10:52, Juergen Gross wrote:
@@ -366,18 +380,38 @@ static void sched_free_unit(struct sched_unit *unit)
xfree(unit);
}
+static void
On 24.09.19 12:05, Jan Beulich wrote:
On 14.09.2019 10:52, Juergen Gross wrote:
--- a/xen/common/schedule.c
+++ b/xen/common/schedule.c
@@ -71,6 +71,7 @@ static void poll_timer_fn(void *data);
/* This is global for now so that private implementations can reach it */
DEFINE_PER_CPU(struct sch
On 24.09.19 17:16, Jan Beulich wrote:
On 24.09.2019 09:42, Juergen Gross wrote:
vcpu_runstate_get() should never return a state entry time with
XEN_RUNSTATE_UPDATE set. To avoid this let update_runstate_area()
operate on a local runstate copy.
This problem was introduced with commit 2529c850ea4
On 24.09.19 14:08, Jan Beulich wrote:
On 24.09.2019 13:41, Jürgen Groß wrote:
Regarding to rename "sd" to "sr": I agree this would be a sensible
change. OTOH I'd like to be consistent, so I'd like to defer that to
the planned scheduling cleanup series.
Seeing a
On 25.09.19 11:12, Jan Beulich wrote:
Commit 4c6cd64519 ("mwait_idle: Skylake Client Support") added a table
with 8 entries, which - together with C0 - rendered the current limit
too low. It should have been accompanied by an increase of the constant;
do this now. Don't bump by too much though, a
On 19.09.19 12:37, Jan Beulich wrote:
hvm_monitor_cpuid() expects the input registers, not two of the outputs.
However, once having made the necessary adjustment, the SVM and VMX
functions are so similar that they should be folded (thus avoiding
further similar asymmetries to get introduced). Us
On 25.09.19 00:33, Dario Faggioli wrote:
On Sat, 2019-09-14 at 10:52 +0200, Juergen Gross wrote:
Now that vcpu_migrate_start() and vcpu_migrate_finish() are used only
to ensure a vcpu is running on a suitable processor
Is this sentence like this (I mean with that "Now" at the beginning)
becaus
On 24.09.19 17:22, Jan Beulich wrote:
On 24.09.2019 17:09, Jürgen Groß wrote:
On 24.09.19 17:00, Jan Beulich wrote:
On 24.09.2019 16:41, Jürgen Groß wrote:
for_each_sched_unit_vcpu() for an idle
unit might end premature when one of the vcpus is running in another
unit (idle_vcpu->sched_u
On 24.09.19 12:53, Jan Beulich wrote:
On 14.09.2019 10:52, Juergen Gross wrote:
When scheduling an unit with multiple vcpus there is no guarantee all
vcpus are available (e.g. above maxvcpus or vcpu offline). Fall back to
idle vcpu of the current cpu in that case. This requires to store the
corr
On 25.09.19 14:51, Dario Faggioli wrote:
On Sat, 2019-09-14 at 10:52 +0200, Juergen Gross wrote:
Switch null scheduler completely from vcpu to sched_unit usage.
Signed-off-by: Juergen Gross
Reviewed-by: Dario Faggioli
With, if possible, all the occurrences of 'item' in comments actually
re
On 24.09.19 13:55, Jan Beulich wrote:
On 14.09.2019 10:52, Juergen Gross wrote:
--- a/xen/common/schedule.c
+++ b/xen/common/schedule.c
@@ -724,8 +724,10 @@ void sched_destroy_domain(struct domain *d)
}
}
-void vcpu_sleep_nosync_locked(struct vcpu *v)
+static void vcpu_sleep_nosync_l
On 24.09.19 14:04, Jan Beulich wrote:
On 14.09.2019 10:52, Juergen Gross wrote:
--- a/xen/common/schedule.c
+++ b/xen/common/schedule.c
@@ -351,26 +351,10 @@ static void sched_spin_unlock_double(spinlock_t *lock1,
spinlock_t *lock2,
spin_unlock_irqrestore(lock1, flags);
}
-static voi
On 24.09.19 14:16, Jan Beulich wrote:
On 14.09.2019 10:52, Juergen Gross wrote:
--- a/xen/common/sched_credit.c
+++ b/xen/common/sched_credit.c
@@ -352,9 +352,10 @@ DEFINE_PER_CPU(unsigned int, last_tickle_cpu);
static inline void __runq_tickle(struct csched_unit *new)
{
unsigned int c
On 25.09.19 15:11, Jan Beulich wrote:
On 25.09.2019 14:58, Jürgen Groß wrote:
On 24.09.19 12:53, Jan Beulich wrote:
On 14.09.2019 10:52, Juergen Gross wrote:
@@ -2015,7 +2079,8 @@ static void sched_slave(void)
pcpu_schedule_unlock_irq(lock, cpu);
-sched_context_switch(vprev
On 24.09.19 15:10, Jan Beulich wrote:
On 14.09.2019 10:52, Juergen Gross wrote:
Having a pointer to struct cpupool in struct sched_resource instead
of per cpu is enough.
Signed-off-by: Juergen Gross
Technically / mechanically
Reviewed-by: Jan Beulich
However, I'm confused by what appears t
On 24.09.19 15:34, Jan Beulich wrote:
On 14.09.2019 10:52, Juergen Gross wrote:
--- a/xen/common/cpupool.c
+++ b/xen/common/cpupool.c
@@ -175,6 +175,8 @@ static struct cpupool *cpupool_create(
return NULL;
}
}
+c->granularity = sched_granularity;
+c->opt_gra
On 24.09.19 15:49, Jan Beulich wrote:
On 14.09.2019 10:52, Juergen Gross wrote:
--- a/xen/common/schedule.c
+++ b/xen/common/schedule.c
@@ -59,7 +59,7 @@ integer_param("sched_ratelimit_us", sched_ratelimit_us);
enum sched_gran __read_mostly opt_sched_granularity = SCHED_GRAN_cpu;
unsigned in
On 25.09.19 17:02, Dario Faggioli wrote:
On Sat, 2019-09-14 at 10:52 +0200, Juergen Gross wrote:
Switch credit2 scheduler completely from vcpu to sched_unit usage.
As we are touching lots of lines remove some white space at the end
of
the line, too.
Signed-off-by: Juergen Gross
Reviewed-by:
On 25.09.19 17:23, Julien Grall wrote:
Hi,
I am CCing Juergen to mark this as a blocker for 4.13. Without this
patch, Xen cannot be booted using GRUB.
Cheers,
On 17/09/2019 17:02, Julien Grall wrote:
The current implementations of xen_{map, unmap}_table() expect
{map, unmap}_domain_page() t
On 25.09.19 17:39, Julien Grall wrote:
Hi,
On 25/09/2019 16:34, Dario Faggioli wrote:
On Wed, 2019-09-25 at 16:19 +0100, Julien Grall wrote:
(+Juergen)
Hi Dario,
Hi,
On 11/09/2019 14:53, Dario Faggioli wrote:
On Fri, 2019-08-23 at 18:16 -0700, Stefano Stabellini wrote:
Ok, thanks again f
On 25.09.19 17:20, Dario Faggioli wrote:
On Sat, 2019-09-14 at 10:52 +0200, Juergen Gross wrote:
The credit scheduler calls vcpu_pause_nosync() and vcpu_unpause()
today.
It does. And, FWIW, I hate it with all my heart because of that (among
other things! :-D).
Add sched_unit_pause_nosync() a
On 25.09.19 18:37, Dario Faggioli wrote:
On Wed, 2019-09-25 at 14:04 +0200, Jürgen Groß wrote:
On 25.09.19 00:33, Dario Faggioli wrote:
As it is needed anyway call vcpu_sync_execstate() for each
vcpu of the unit when changing processors.
Again, what do you mean with "As it is needed a
On 26.09.19 11:46, Dario Faggioli wrote:
On Sat, 2019-09-14 at 10:52 +0200, Juergen Gross wrote:
Add a scheduling granularity enum ("cpu", "core", "socket") for
specification of the scheduling granularity. Initially it is set to
"cpu", this can be modified by the new boot parameter (x86 only)
"s
On 26.09.19 15:53, Dario Faggioli wrote:
On Wed, 2019-09-25 at 15:07 +0200, Jan Beulich wrote:
On 25.09.2019 14:40, Jürgen Groß wrote:
On 24.09.19 17:22, Jan Beulich wrote:
On 24.09.2019 17:09, Jürgen Groß wrote:
On 24.09.19 17:00, Jan Beulich wrote:
On 24.09.2019 16:41, Jürgen Groß wrote
On 26.09.19 16:27, Julien Grall wrote:
Hi,
On 9/25/19 5:29 AM, Juergen Gross wrote:
vcpu_runstate_get() should never return a state entry time with
XEN_RUNSTATE_UPDATE set. To avoid this let update_runstate_area()
operate on a local runstate copy.
This problem was introduced with commit 2529c8
On 26.09.19 15:51, Roger Pau Monné wrote:
On Thu, Sep 26, 2019 at 02:36:18PM +0100, Sergey Dyasli wrote:
Currently ballooning down a pvshim guest causes the following errors
inside the shim:
d3v0 failed to reserve 512 extents of order 512 for offlining
And the ballooned-out pages stay in
On 25.09.19 17:27, Jan Beulich wrote:
There's nothing to restore here if there's no FPU in the first place.
Signed-off-by: Jan Beulich
Release-acked-by: Juergen Gross
Juergen
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On 26.09.19 20:37, Julien Grall wrote:
Hi all,
This patch series aims to fix two bugs in the entry path from the guest:
1) Make sure that SSBD workaround is enabled before executing any
hypervisor code
2) Avoid guest state corruption when an virtual SError is received
The full series
On 25.09.19 15:07, Jürgen Groß wrote:
On 24.09.19 13:55, Jan Beulich wrote:
On 14.09.2019 10:52, Juergen Gross wrote:
@@ -765,16 +774,22 @@ void vcpu_wake(struct vcpu *v)
{
unsigned long flags;
spinlock_t *lock;
+ struct sched_unit *unit = v->sched_unit;
TRACE
On 25.09.19 12:59, Dario Faggioli wrote:
On Wed, 2019-09-25 at 09:05 +0200, Juergen Gross wrote:
The arinc653 scheduler's free_vdata() function is missing proper
locking: as it is modifying the scheduler's private vcpu list it
needs
to take the scheduler lock during that operation.
Signed-off-b
On 27.09.19 09:32, Dario Faggioli wrote:
On Fri, 2019-09-27 at 06:42 +0200, Jürgen Groß wrote:
On 25.09.19 15:07, Jürgen Groß wrote:
On 24.09.19 13:55, Jan Beulich wrote:
On 14.09.2019 10:52, Juergen Gross wrote:
@@ -765,16 +774,22 @@ void vcpu_wake(struct vcpu *v)
{
unsigned long
On 27.09.19 10:20, Jan Beulich wrote:
On 27.09.2019 09:23, Jürgen Groß wrote:
On 25.09.19 12:59, Dario Faggioli wrote:
On Wed, 2019-09-25 at 09:05 +0200, Juergen Gross wrote:
The arinc653 scheduler's free_vdata() function is missing proper
locking: as it is modifying the scheduler'
On 27.09.19 10:52, Dario Faggioli wrote:
On Fri, 2019-09-27 at 09:00 +0200, Juergen Gross wrote:
Add the following helpers using a sched_unit as input instead of a
vcpu:
- is_idle_unit() similar to is_idle_vcpu()
- is_unit_online() similar to is_vcpu_online() (returns true when any
of its vc
On 27.09.19 11:32, Dario Faggioli wrote:
On Fri, 2019-09-27 at 09:00 +0200, Juergen Gross wrote:
Where appropriate switch from for_each_vcpu() to
for_each_sched_unit()
in order to prepare core scheduling.
As it is beneficial once here and for sure in future add a
unit_scheduler() helper and let
On 27.09.19 12:48, Roger Pau Monne wrote:
Switch to using pd and also print the pfn that failed.
No functional change intended.
Signed-off-by: Roger Pau Monné
Release-acked-by: Juergen Gross
Juergen
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On 27.09.19 12:37, Ian Jackson wrote:
Juergen Gross writes ("[PATCH v1 1/6] docs: add feature document for Xen hypervisor
sysfs-like support"):
On the 2019 Xen developer summit there was agreement that the Xen
hypervisor should gain support for a hierarchical name-value store
similar to the Lin
On 27.09.19 12:40, Ian Jackson wrote:
Juergen Gross writes ("[PATCH v1 3/6] libs: add libxenhypfs"):
Add the new library libxenhypfs for access to the hypervisor filesystem.
This code looks as expected to me.
Acked-by: Ian Jackson
It does make me thing you have had to write rather a lot of
On 27.09.19 12:42, Ian Jackson wrote:
Juergen Gross writes ("[PATCH v1 4/6] tools: add xenfs tool"):
Add the xenfs tool for accessing the hypervisor filesystem.
Thanks for taking care about exit status. Can you document the exit
statuses somewhere ?
Yes. Might be a good reason to add a man-
On 27.09.19 14:02, Jan Beulich wrote:
On 27.09.2019 13:45, Paul Durrant wrote:
PVH dom0 must operate with the iommu settings in 'strict' mode i.e. only the
domain's own pages will be mapped in the IOMMU. The check_hwdom_reqs() is
supposed to ensure this. Unfortunately the test for a PVH dom0 is
On 27.09.19 16:43, Jan Beulich wrote:
Commit 54ce2db8b8 ("x86/numa: adjust datatypes for node and pxm")
changed this from the -1 (i.e. -EPERM, which was already bogus) that
comes back from setup_node() to NUMA_NO_NODE (0xff). Use a proper error
indicator instead.
Signed-off-by: Jan Beulich
Re
On 27.09.19 15:37, Ian Jackson wrote:
Jürgen Groß writes ("Re: [PATCH v1 1/6] docs: add feature document for Xen
hypervisor sysfs-like support"):
On 27.09.19 12:37, Ian Jackson wrote:
I guess that keys will be chosen from some limited safe character
set ? What about values ? Might
On 30.09.19 06:23, osstest service owner wrote:
flight 141990 xen-unstable real [real]
http://logs.test-lab.xenproject.org/osstest/logs/141990/
Regressions :-(
Tests which did not succeed and are blocking,
including tests which could not be run:
test-amd64-amd64-xl-qemut-debianhvm-amd64 7 xe
On 29.09.19 18:35, Julien Grall wrote:
Signed-off-by: Julien Grall
Release-acked-by: Juergen Gross
Juergen
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On 29.09.19 17:56, Julien Grall wrote:
Clang 8.0 will fail to build domain_build.c on Arm32 because of the
following error:
domain_build.c:448:21: error: implicit conversion from 'unsigned long long' to
'unsigned long' changes value from 1090921693184 to 0
[-Werror,-Wconstant-conversion]
b
On 28.09.19 10:26, Roger Pau Monne wrote:
Both a shadow and a HAP hwdom require an iommu and must be run in
strict mode. Change the HAP check into a hvm domain check.
Signed-off-by: Roger Pau Monné
Release-acked-by: Juergen Gross
Juergen
___
Xen
On 27.09.19 17:49, Ross Lagerwall wrote:
Other parts of the kernel expect these nonblocking EFI callbacks to
exist and crash when running under Xen. Since the implementations of
xen_efi_set_variable() and xen_efi_query_variable_info() do not take any
locks, use them for the nonblocking callbacks
On 30.09.19 08:01, Jürgen Groß wrote:
On 30.09.19 06:23, osstest service owner wrote:
flight 141990 xen-unstable real [real]
http://logs.test-lab.xenproject.org/osstest/logs/141990/
Regressions :-(
Tests which did not succeed and are blocking,
including tests which could not be run:
test
On 30.09.19 09:44, Dongli Zhang wrote:
xennet_fill_frags() uses ~0U as return value when the sk_buff is not able
to cache extra fragments. This is incorrect because the return type of
xennet_fill_frags() is RING_IDX and 0x is an expected value for
ring buffer index.
In the situation when
On 27.09.19 17:19, Ian Jackson wrote:
Jürgen Groß writes ("Re: [PATCH v1 1/6] docs: add feature document for Xen
hypervisor sysfs-like support"):
On 27.09.19 15:37, Ian Jackson wrote:
I think this is ASCII printing characters with the exception of
! " ` $ % ^ & * = + {
On 30.09.19 10:57, Jan Beulich wrote:
On 30.09.2019 10:17, Jürgen Groß wrote:
On 27.09.19 17:19, Ian Jackson wrote:
Jürgen Groß writes ("Re: [PATCH v1 1/6] docs: add feature document for Xen
hypervisor sysfs-like support"):
On 27.09.19 15:37, Ian Jackson wrote:
I think thi
On 30.09.19 11:17, Paul Durrant wrote:
-Original Message-
From: Jan Beulich
Sent: 30 September 2019 10:07
To: Paul Durrant
Cc: xen-devel@lists.xenproject.org; Juergen Gross ; osstest
service owner
Subject: Re: [Xen-devel] [xen-unstable test] 141990: regressions - FAIL
On 30.09.2019 1
On 30.09.19 12:07, Ian Jackson wrote:
Jürgen Groß writes ("Re: [PATCH v1 1/6] docs: add feature document for Xen
hypervisor sysfs-like support"):
On 30.09.19 10:57, Jan Beulich wrote:
On 30.09.2019 10:17, Jürgen Groß wrote:
.config can contain user supplied strings. While not m
On 30.09.19 12:39, Jan Beulich wrote:
On 30.09.2019 12:38, Andrew Cooper wrote:
On 30/09/2019 11:36, Jan Beulich wrote:
On 30.09.2019 07:21, Juergen Gross wrote:
When switching sched units synchronize all vcpus of the new unit to be
scheduled at the same time.
A variable sched_granularity is
On 30.09.19 12:34, Oleksandr Tyshchenko wrote:
From: Oleksandr Tyshchenko
The Arm realization should have been removed in the following commit
as redundant:
f89f555 remove late (on-demand) construction of IOMMU page tables
So, remove unused function completely.
Signed-off-by: Oleksandr Tyshch
On 30.09.19 12:25, Jan Beulich wrote:
On 30.09.2019 12:09, Juergen Gross wrote:
Add documentation for the new "sched-gran" hypervisor boot parameter.
Signed-off-by: Juergen Gross
---
docs/misc/xen-command-line.pandoc | 21 +
1 file changed, 21 insertions(+)
diff --git a
On 30.09.19 12:33, George Dunlap wrote:
On 9/30/19 11:29 AM, George Dunlap wrote:
On 9/30/19 9:56 AM, Oleksandr Andrushchenko wrote:
From: Oleksandr Andrushchenko
Signed-off-by: Oleksandr Andrushchenko
---
SUPPORT.md | 15 ++-
1 file changed, 14 insertions(+), 1 deletion(-)
d
On 30.09.19 13:02, Jan Beulich wrote:
On 30.09.2019 12:51, Jürgen Groß wrote:
On 30.09.19 12:25, Jan Beulich wrote:
On 30.09.2019 12:09, Juergen Gross wrote:
Add documentation for the new "sched-gran" hypervisor boot parameter.
Signed-off-by: Juergen Gross
---
docs/misc/x
On 30.09.19 13:20, Jan Beulich wrote:
On 30.09.2019 13:13, Jürgen Groß wrote:
On 30.09.19 13:02, Jan Beulich wrote:
On 30.09.2019 12:51, Jürgen Groß wrote:
On 30.09.19 12:25, Jan Beulich wrote:
On 30.09.2019 12:09, Juergen Gross wrote:
Add documentation for the new "sched-gran"
On 16.11.19 02:12, Roman Shaposhnik wrote:
NOTE: this may or may not be a hair on fire problem, reporting it
anyway since I'd hate to pass on something that maybe a serious issue.
I haven't had time to debug this just yet -- so just reporting it here
pretty raw.
Software:
Xen 4.13 RC2
Li
On 18.11.19 11:35, Daniel Vetter wrote:
There's no in-kernel users for the k(un)map stuff. And the mmap one is
actively harmful - return 0 and then _not_ actually mmaping can't end
well.
Signed-off-by: Daniel Vetter
Cc: Boris Ostrovsky
Cc: Juergen Gross
Cc: Stefano Stabellini
Cc: xen-devel@l
Florijan Hamzic wrote:
> my machine recently crashes randomly. I found this thing in my logs
> before the crash happened:
...
Can you share more information regarding the Xen version you are
using?
Juergen
___
Xen-devel mailing list
Xen-devel@lists
On 18.11.19 19:15, Andrew Cooper wrote:
When nestedhvm_hap_nested_page_fault() returns L0_ERROR,
hvm_hap_nested_page_fault() operates on the adjusted gpa. However, it
operates with the original npfec, which is no longer be correct.
In particular, it is possible to get a nested fault where the t
On 11.11.19 15:32, Jan Beulich wrote:
Now that SS:ESP always get saved by SAVE_ALL, this also needs to be
accounted for in xen_iret_crit_fixup. Otherwise the old_ax value gets
interpreted as EFLAGS, and hence VM86 mode appears to be active all
the time, leading to random "vm86_32: no user_vm86: B
On 11.11.19 15:32, Jan Beulich wrote:
This can be had with two instead of six insns, by just checking the high
CS.RPL bit.
Also adjust the comment - there would be no #GP in the mentioned cases,
as there's no segment limit violation or alike. Instead there'd be #PF,
but that one reports the targ
On 17.11.19 00:47, Marek Marczykowski-Górecki wrote:
Before df6631 "efi: use directmap to access runtime services table"
all usages of efi_rs pointer were guarded by efi_rs_enter(), which
implicitly refused to operate with efi=no-rs (by checking if
efi_l4_pgtable is NULL - which is the case f
On 19.11.19 18:00, Andrew Cooper wrote:
c/s ff66ccefe5 "x86/CPUID: adjust SSEn dependencies" made SSE4A depend on
SSSE3, but these processors really do have have SSE4A without SSSE3.
This manifests as an upgrade regression, as the SSE4A feature disappears from
view.
Adjust the SSE4A feature to
On 01.11.19 21:24, Andrew Cooper wrote:
I decided to dust off my early CPUID adjustments work in an effort to get
patch 3 in a sensible state for 4.13. Ever so slightly RFC for 4.13 given
where we are in the release, but this is fairly self contained.
Andrew Cooper (2):
x86/boot: Remove cach
On 15.11.19 17:15, Anthony PERARD wrote:
https://docs.python.org/3.8/whatsnew/3.8.html#debug-build-uses-the-same-abi-as-release-build
To embed Python into an application, a new --embed option must be
passed to python3-config --libs --embed to get -lpython3.8 (link the
application to libpython).
On 20.11.19 15:06, Andrew Cooper wrote:
On 20/11/2019 13:56, Jan Beulich wrote:
On 20.11.2019 14:37, Julien Grall wrote:
From: Julien Grall
The documentation requires va_start() to always be matched with a
corresponding va_end(). However, this is not the case in the path used
for bad format.
On 15.11.19 19:59, Igor Druzhinin wrote:
From: Paul Durrant
Dropping the pcidevs lock between calling device_assigned() and
assign_device() means that the latter has to do the same check as the
former for no obvious gain. Also, since long running operations under
pcidevs lock already drop the l
On 20.11.19 08:50, Jan Beulich wrote:
On 19.11.2019 18:58, Anthony PERARD wrote:
Following the patch 65d104984c04 ("x86: fix race to build
arch/x86/efi/relocs-dummy.o"), the error message
nm: 'efi/relocs-dummy.o': No such file"
started to appear on system which can't build the .efi target. Th
On 20.11.19 17:30, Jan Beulich wrote:
On 08.11.2019 12:18, Jan Beulich wrote:
The .file assembler directives generated by the compiler do not include
any path components (gcc) or just the ones specified on the command line
(clang, at least version 5), and hence multiple identically named source
On 20.11.19 18:54, Ian Jackson wrote:
Hi, I promised you to do a risk/benefit analysis on this series and
here is my report. With your permission I plan to push it on Sunday
night or Monday morning, if you think that is a convenient time.
TYVM.
I'm fine with your plan.
Juergen
Summary:
Where do we stand with Xen 4.13 regarding blockers and related patches?
1. OSStest failure regarding nested test:
I'm not quite sure whether the currently debated patch of Andrew is
fixing the problem. If not, do we know what is missing or how to
address the issue? If yes, could we pleas
On 21.11.19 08:30, Steven Haigh wrote:
On 2019-11-21 17:05, Jürgen Groß wrote:
Where do we stand with Xen 4.13 regarding blockers and related patches?
2. Ryzen/Rome failures with Windows guests:
What is the currently planned way to address the problem? Who is
working on that?
A
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