I've been active in the scheduling code since many years now. Add
me as a maintainer.
Signed-off-by: Juergen Gross
---
MAINTAINERS | 1 +
1 file changed, 1 insertion(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index 6ba7d2765f..cc40c0be9d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -490,6
Add me as the maintainer for the tools/9pfsd directory.
Signed-off-by: Juergen Gross
---
MAINTAINERS | 6 ++
1 file changed, 6 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index 076cf1e141..28fb35582b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -206,6 +206,12 @@ Maintainers List
Hi,
I'd like to dispute CVE-2021-47377: the issue fixed by upstream commit
8480ed9c2bbd56fc86524998e5f2e3e22f5038f6 can in no way be triggered by
an unprivileged user or by a remote attack of the system, as it requires
initiation of memory ballooning of the running system. This can be done
only
On 24.05.24 16:30, Jürgen Groß wrote:
On 24.05.24 15:58, Julien Grall wrote:
Hi Henry,
+ Juergen as the Xenstore maintainers. I'd like his opinion on the approach.
The documentation of the new logic is in:
https://lore.kernel.org/xen-devel/20240517032156.1490515-5-xin.wa...@amd.com/
FWIW I
Linus,
Please git pull the following tag:
git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git
for-linus-6.10a-rc1-tag
xen: branch for v6.10-rc1
It contains the following patches:
- a small cleanup in the drivers/xen/xenbus Makefile
- a fix of the Xen xenstore driver to improve
On 10.04.24 21:48, Jason Andryuk wrote:
The PVH entry point is 32bit. For a 64bit kernel, the entry point must
switch to 64bit mode, which requires a set of page tables. In the past,
PVH used init_top_pgt.
This works fine when the kernel is loaded at LOAD_PHYSICAL_ADDR, as the
page tables are
On 10.04.24 21:48, Jason Andryuk wrote:
The PVH entry point will need an additional set of prebuild page tables.
Move the macros and defines to a new header so they can be re-used.
Signed-off-by: Jason Andryuk
With the one nit below addressed:
Reviewed-by: Juergen Gross
...
diff --git
[] F common/softirq.c#__do_softirq+0x94/0xbe
(XEN)[] F do_softirq+0x13/0x15
(XEN)[] F arch/x86/domain.c#idle_loop+0x92/0xe6
Reported-by: Andrew Cooper
Fixes: a8c6c623192e ("sched: clarify use cases of schedule_cpu_switch()")
Signed-off-by: Juergen Gross
---
xen/common/sched/co
2 * CONFIG_NR_CPUS.
Add a support limit of physical CPUs to SUPPORT.md (4096 on x86, 128
on ARM).
Signed-off-by: Juergen Gross
Acked-by: Jan Beulich
---
V5:
- new patch (Jan Beulich)
V7:
- add SUPPORT.md and CHANGELOG.md entries
---
CHANGELOG.md | 2 ++
SUPPORT.md | 5 +
xen/arch
On 19.04.24 05:36, Jiqian Chen wrote:
In PVH dom0, the gsis don't get registered, but the gsi of
a passthrough device must be configured for it to be able to be
mapped into a domU.
When assign a device to passthrough, proactively setup the gsi
of the device during that process.
Acked-by: Juergen Gross
Juergen
OpenPGP_0xB0DE9DD628BF132F.asc
Description: OpenPGP public key
OpenPGP_signature.asc
Description: OpenPGP digital signature
13:04, Julien Grall wrote:
Hi Juergen,
Sorry for the late reply.
On 29/04/2024 11:33, Juergen Gross wrote:
On 08.04.24 09:10, Jan Beulich wrote:
On 27.03.2024 16:22, Juergen Gross wrote:
With lock handling now allowing up to 16384 cpus (spinlocks can
handle
65535 cpus, rwlocks can handle 16384
.
Juergen
arch/x86/xen/enlighten_pv.c | 11 ++-
arch/x86/xen/smp_pv.c | 4 ++--
2 files changed, 12 insertions(+), 3 deletions(-)
Juergen Gross (1):
x86/xen: return a sane initial apic id when running as PV guest
Thomas Gleixner (1):
x86/xen/smp_pv: Register the boot CPU
.
Fixes: 3afc5e4a5b75 ("tools/tests: add xenstore testing framework")
Signed-off-by: Juergen Gross
---
tools/tests/xenstore/test-xenstore.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/tools/tests/xenstore/test-xenstore.c
b/tools/tests/xenstore/test-xensto
In case a test is failing in test-xenstore, let the tool exit with an
exit status other than 0.
Fix a typo in an error message.
Reported-by: Andrew Cooper
Fixes: 3afc5e4a5b75 ("tools/tests: add xenstore testing framework")
Signed-off-by: Juergen Gross
---
tools/tests/xenstore/test-
Hi,
I'd like to dispute CVE-2024-26908: the issue fixed by upstream commit
3693bb4465e6e32a204a5b86d3ec7e6b9f7e67c2 can in no way be triggered by
an unprivileged user or by a remote attack of the system, as it requires
hotplug of (virtual) cpus to the running system. This can be done only by
On 08.04.24 09:10, Jan Beulich wrote:
On 27.03.2024 16:22, Juergen Gross wrote:
With lock handling now allowing up to 16384 cpus (spinlocks can handle
65535 cpus, rwlocks can handle 16384 cpus), raise the allowed limit for
the number of cpus to be configured to 16383.
The new limit is imposed
Instead of having #ifdefs sprinkled around in x86 code, add some
macros defining constants for asm statements to address differences
between 32- and 64-bit mode.
Modify existing code to use those macros.
Signed-off-by: Juergen Gross
---
arch/x86/sched.c | 32
ranslation entries and evaluate those as well
in verify_rwx() and show_fault_oops().
Fixes: 652c5bf380ad ("x86/mm: Refuse W^X violations")
Reported-by: Jason Andryuk
Signed-off-by: Juergen Gross
---
arch/x86/include/asm/pgtable_types.h | 2 +-
arch/x86/kernel/sev.c| 3 +-
On 08.04.24 12:22, Anthony PERARD wrote:
On Thu, Mar 28, 2024 at 02:00:14PM +0100, Jürgen Groß wrote:
Hi Jason,
On 28.03.24 02:24, Jason Andryuk wrote:
On Wed, Mar 27, 2024 at 7:46 AM Jürgen Groß wrote:
On 24.01.24 17:54, Jason Andryuk wrote:
+
+ return new;
+
These are 2 fixes for issues introduced by topology related changes
added in the 6.9 merge window.
Juergen Gross (2):
x86/cpu: fix BSP detection when running as Xen PV guest
x86/xen: return a sane initial apic id when running as PV guest
arch/x86/kernel/cpu/topology.c | 2 +-
arch/x86/xen
the warnings by synthesizing the CPUID data to contain the same
initial APIC ID as xen_pv_smp_config() is using for registering the
APIC IDs of all CPUs.
Fixes: 52128a7a21f7 ("86/cpu/topology: Make the APIC mismatch warnings
complete")
Signed-off-by: Juergen Gross
---
arch/x86/xen/enlighten
On 27.03.24 16:22, Juergen Gross wrote:
In order to prepare a type-safe recursive spinlock structure, add
explicitly non-recursive locking functions to be used for non-recursive
locking of spinlocks, which are used recursively, too.
Signed-off-by: Juergen Gross
Acked-by: Jan Beulich
Could
sources via tools/binfile to include
the new home of ASM_INT().
Signed-off-by: Juergen Gross
---
xen/arch/arm/include/asm/asm_defns.h | 3 ---
xen/arch/x86/include/asm/asm_defns.h | 3 ---
xen/include/xen/linkage.h| 2 ++
xen/tools/binfile| 2 +-
4 files changed, 3
On 03.04.24 13:47, Jan Beulich wrote:
On 03.04.2024 13:18, Juergen Gross wrote:
On 03.04.24 12:54, Oleksii wrote:
On Wed, 2024-04-03 at 12:28 +0200, Jan Beulich wrote:
On 03.04.2024 12:19, Oleksii Kurochko wrote:
This patch disables unnecessary configs for two cases:
1. By utilizing
On 03.04.24 12:54, Oleksii wrote:
On Wed, 2024-04-03 at 12:28 +0200, Jan Beulich wrote:
On 03.04.2024 12:19, Oleksii Kurochko wrote:
This patch disables unnecessary configs for two cases:
1. By utilizing EXTRA_FIXED_RANDCONFIG for randconfig builds
(GitLab CI jobs).
2. By using
2 * CONFIG_NR_CPUS.
Signed-off-by: Juergen Gross
---
V5:
- new patch (Jan Beulich)
---
xen/arch/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/xen/arch/Kconfig b/xen/arch/Kconfig
index 67ba38f32f..308ce129a8 100644
--- a/xen/arch/Kconfig
+++ b/xen/arch/Kconfig
@@ -6,7
. There are machines available with more cpus than the current
Xen limit, so it makes sense to have the possibility to use more cpus.
Signed-off-by: Juergen Gross
---
V5:
- keep previous recursion limit (Julien Grall)
V6:
- use unsigned int instead of uint32_t (Jan Beulich)
---
xen/common/spinlock.c | 2
.
While at it calculate _QW_CPUMASK and _QR_SHIFT from _QW_SHIFT and
add a sanity check for not overflowing the atomic_t data type.
Signed-off-by: Juergen Gross
---
V5:
- new patch
V6:
- add comment to _can_read_lock() (Jan Beulich)
---
xen/include/xen/rwlock.h | 23 +++
1
for recursive
spinlocks only, and switch recursive spinlock functions to require
pointers to this new struct.
This allows to check the correct usage at build time.
Signed-off-by: Juergen Gross
Reviewed-by: Jan Beulich
---
V2:
- use shorter names (Jan Beulich)
- don't embed spinlock_t
Add another function level in spinlock.c hiding the spinlock_t layout
from the low level locking code.
This is done in preparation of introducing rspinlock_t for recursive
locks without having to duplicate all of the locking code.
Signed-off-by: Juergen Gross
Reviewed-by: Jan Beulich
---
V2
Switch the remaining trylock and is_locked variants to return bool.
Signed-off-by: Juergen Gross
Reviewed-by: Jan Beulich
---
V5:
- new patch (Jan Beulich)
---
xen/common/spinlock.c | 4 ++--
xen/include/xen/spinlock.h | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git
issue in patch 1
Changes in V5:
- new patches 1 + 10 + 12 + 13
- due to the recent Ghost-race patches the macro layer for calling
spinlock functions is kept
- addressed comments
Changes in V6:
- patches 1-5 of V5 have been committed already
- addressed comments
Juergen Gross (8):
xen/spinlock
Add rspin_is_locked() and rspin_barrier() in order to prepare differing
spinlock_t and rspinlock_t types.
Signed-off-by: Juergen Gross
---
V2:
- partially carved out from V1 patch, partially new
V5:
- let rspin_is_locked() return bool (Jan Beulich)
V6:
- Re-add comment to _spin_is_locked() (Jan
In order to prepare a type-safe recursive spinlock structure, add
explicitly non-recursive locking functions to be used for non-recursive
locking of spinlocks, which are used recursively, too.
Signed-off-by: Juergen Gross
Acked-by: Jan Beulich
---
V2:
- rename functions (Jan Beulich)
- get rid
+++-
drivers/xen/evtchn.c | 6
drivers/xen/grant-dma-iommu.c | 6 ++--
10 files changed, 143 insertions(+), 59 deletions(-)
Juergen Gross (2):
xen/evtchn: avoid WARN() when unbinding an event channel
xen/events: increment refcnt only if event channel
x-linus" or "linux-6.1" branches.
Signed-off-by: Anthony PERARD
Acked-by: Juergen Gross
... knowing this is kind of meaningless given that I'm no maintainer of
OSStest, but I'd like to document that I'm fine with the intention of the
change. :-)
Juergen
Op
Switch the remaining trylock and is_locked variants to return bool.
Signed-off-by: Juergen Gross
---
V5:
- new patch (Jan Beulich)
---
xen/common/spinlock.c | 4 ++--
xen/include/xen/spinlock.h | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/xen/common/spinlock.c b
.
While at it calculate _QW_CPUMASK and _QR_SHIFT from _QW_SHIFT and
add a sanity check for not overflowing the atomic_t data type.
Signed-off-by: Juergen Gross
---
V5:
- new patch
---
xen/include/xen/rwlock.h | 18 ++
1 file changed, 10 insertions(+), 8 deletions(-)
diff --git
for recursive
spinlocks only, and switch recursive spinlock functions to require
pointers to this new struct.
This allows to check the correct usage at build time.
Signed-off-by: Juergen Gross
---
V2:
- use shorter names (Jan Beulich)
- don't embed spinlock_t in rspinlock_t (Jan Beulich)
V5
2 * CONFIG_NR_CPUS.
Signed-off-by: Juergen Gross
---
V5:
- new patch (Jan Beulich)
---
xen/arch/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/xen/arch/Kconfig b/xen/arch/Kconfig
index 67ba38f32f..308ce129a8 100644
--- a/xen/arch/Kconfig
+++ b/xen/arch/Kconfig
@@ -6,7
. There are machines available with more cpus than the current
Xen limit, so it makes sense to have the possibility to use more cpus.
Signed-off-by: Juergen Gross
---
V5:
- keep previous recursion limit (Julien Grall)
---
xen/common/spinlock.c | 2 ++
xen/include/xen/spinlock.h | 20 ++--
2
Add rspin_is_locked() and rspin_barrier() in order to prepare differing
spinlock_t and rspinlock_t types.
Signed-off-by: Juergen Gross
---
V2:
- partially carved out from V1 patch, partially new
V5:
- let rspin_is_locked() return bool (Jan Beulich)
---
xen/arch/x86/mm/p2m-pod.c | 2 +-
xen
In order to prepare a type-safe recursive spinlock structure, add
explicitly non-recursive locking functions to be used for non-recursive
locking of spinlocks, which are used recursively, too.
Signed-off-by: Juergen Gross
Acked-by: Jan Beulich
---
V2:
- rename functions (Jan Beulich)
- get rid
Add another function level in spinlock.c hiding the spinlock_t layout
from the low level locking code.
This is done in preparation of introducing rspinlock_t for recursive
locks without having to duplicate all of the locking code.
Signed-off-by: Juergen Gross
---
V2:
- new patch
V5:
- don't
Instead of special casing rspin_lock_irqsave() and
rspin_unlock_irqrestore() for the console lock, add those functions
to spinlock handling and use them where needed.
Signed-off-by: Juergen Gross
---
V2:
- new patch
V5:
- avoid MISRA violation (Julien Grall)
- keep wrapper functions (Jan Beulich
the slow path with slightly less performant code.
Note that this requires a cast when printing the value in order to be
format compliant.
Signed-off-by: Juergen Gross
Acked-by: Alejandro Vallejo
Acked-by: Julien Grall
---
V2:
- new patch
V5:
- use bool for is_rlock (Julien Grall)
- use unsigned
Rename the recursive spin_lock() functions by replacing the trailing
"_recursive" with a leading "r".
Switch the parameter to be a pointer to rspinlock_t.
Suggested-by: Jan Beulich
Signed-off-by: Juergen Gross
Acked-by: Julien Grall
Acked-by: Jan Beulich
---
V2:
-
issue in patch 1
Changes in V5:
- new patches 1 + 10 + 12 + 13
- due to the recent Ghost-race patches the macro layer for calling
spinlock functions is kept
- addressed comments
Juergen Gross (13):
xen/spinlock: remove misra rule 21.1 violations
xen/spinlock: introduce new type for recursive
rs and use them where appropriate.
Signed-off-by: Juergen Gross
Acked-by: Julien Grall
---
V2:
- carved out from V1 patch
V5:
- avoid MISRA violation (Julien Grall)
---
xen/arch/x86/include/asm/mm.h | 2 +-
xen/arch/x86/mm/mm-locks.h| 2 +-
xen/common/domain.c | 4 ++--
xen/comm
In xen spinlock code there are several violations of MISRA rule 21.1
(identifiers starting with "__" or "_[A-Z]").
Fix them by using trailing underscores instead.
Signed-off-by: Juergen Gross
---
V5:
- new patch (Julien Grall)
---
xen/include/xen/spinlock.h | 28 +++
in EXTRA_MEM_RATIO to
RAM, while reserving them using xen_add_extra_mem() (which is also moved so
it's no longer tied to CONFIG_PV).
Signed-off-by: Roger Pau Monné
Reviewed-by: Juergen Gross
Juergen
OpenPGP_0xB0DE9DD628BF132F.asc
Description: OpenPGP public key
OpenPGP_signature.asc
er.
Fixes: 9e90e58c11b7 ("xen: evtchn: Allow shared registration of IRQ handers")
Reported-by: Demi Marie Obenour
Tested-by: Demi Marie Obenour
Signed-off-by: Juergen Gross
---
drivers/xen/evtchn.c | 6 ++
1 file changed, 6 insertions(+)
diff --git a/drivers/xen/evtchn.c b/driver
: 9e90e58c11b7 ("xen: evtchn: Allow shared registration of IRQ handers")
Signed-off-by: Juergen Gross
---
drivers/xen/events/events_base.c | 22 +-
1 file changed, 13 insertions(+), 9 deletions(-)
diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/eve
Two patches fixing one seen problem and another potential one. Both
have been introduced in the 6.7 kernel.
Juergen Gross (2):
xen/evtchn: avoid WARN() when unbinding an event channel
xen/events: increment refcnt only if event channel is refcounted
drivers/xen/events/events_base.c | 22
On 07.03.24 18:01, Jason Andryuk wrote:
On 2024-03-07 04:30, Roger Pau Monné wrote:
On Wed, Mar 06, 2024 at 01:50:32PM -0500, Jason Andryuk wrote:
Xen tries to load a PVH dom0 kernel at the fixed guest physical address
from the elf headers. For Linux, this defaults to 0x100 (16MB), but
it
On 07.03.24 11:38, Henry Wang wrote:
Below error can be seen when doing Yocto build of the toolstack:
| io.c: In function 'p9_error':
| io.c:684:5: error: ignoring return value of 'strerror_r' declared
with attribute 'warn_unused_result' [-Werror=unused-result]
| 684 | strerror_r(err,
On 07.03.24 11:38, Henry Wang wrote:
Below error can be seen when doing Yocto build of the toolstack:
| io.c: In function 'p9_error':
| io.c:684:5: error: ignoring return value of 'strerror_r' declared
with attribute 'warn_unused_result' [-Werror=unused-result]
| 684 | strerror_r(err,
Add a support statement for the new xen-9pfsd backend. Set it to
"Experimental", as some functionality for Linux guests is missing
(only tested to work with Xenstore-stubdom).
Signed-off-by: Juergen Gross
---
SUPPORT.md | 1 +
1 file changed, 1 insertion(+)
diff --git a/SUPPORT.md b/
Add an entry to CHANGELOG.md regarding the new xen-9pfsd daemon.
Signed-off-by: Juergen Gross
---
CHANGELOG.md | 2 ++
1 file changed, 2 insertions(+)
diff --git a/CHANGELOG.md b/CHANGELOG.md
index f9874f9bb0..93fda73c00 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,6 +18,8 @@ The format
Add me as the maintainer for the tools/9pfsd directory.
Signed-off-by: Juergen Gross
---
MAINTAINERS | 6 ++
1 file changed, 6 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index 076cf1e141..28fb35582b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -206,6 +206,12 @@ Maintainers List
On 29.02.24 16:32, Jan Beulich wrote:
On 12.12.2023 10:47, Juergen Gross wrote:
+#define nrspin_lock_irqsave(l, f) \
+({ \
+BUILD_BUG_ON(sizeof(f) != sizeof(unsigned long)); \
+((f
On 29.02.24 17:31, Jan Beulich wrote:
On 29.02.2024 17:29, Jürgen Groß wrote:
On 29.02.24 16:46, Jan Beulich wrote:
On 12.12.2023 10:47, Juergen Gross wrote:
Allow 16 bits per cpu number, which is the limit imposed by
spinlock_tickets_t.
This will allow up to 65535 cpus, while increasing
On 29.02.24 14:49, Jan Beulich wrote:
On 12.12.2023 10:47, Juergen Gross wrote:
In order to prepare a type-safe recursive spinlock structure, add
explicitly non-recursive locking functions to be used for non-recursive
locking of spinlocks, which are used recursively, too.
Signed-off
With 9pfs now available in Xenstore-stubdom, there is no reason to
have distinct do_control_memreport() variants for the daemon and the
stubdom implementations.
Signed-off-by: Juergen Gross
Reviewed-by: Jason Andryuk
---
tools/xenstored/control.c | 27 +++
1 file
() (used e.g. for saving the state
file in case of live update - needs to be unchanged in the daemon
case, but should result in /var/lib/xen/xenstore for stubdom)
Signed-off-by: Juergen Gross
Reviewed-by: Jason Andryuk
Reviewed-by: Julien Grall
---
V3:
- make absolute_filename() return a pointer
With 9pfs being fully available in Xenstore-stubdom now, there is no
reason to not fully support all logging capabilities in stubdom.
Open the logfile on stubdom only after the 9pfs file system has been
mounted.
Signed-off-by: Juergen Gross
Reviewed-by: Jason Andryuk
Reviewed-by: Julien Grall
Extend the config files of the Xenstore stubdoms to include XENBUS
and 9PFRONT items in order to support file based logging.
Signed-off-by: Juergen Gross
Reviewed-by: Jason Andryuk
---
stubdom/xenstore-minios.cfg| 2 +-
stubdom/xenstorepvh-minios.cfg | 2 +-
2 files changed, 2 insertions
- xenlogd->xen-9pfsd rename
- addressed review comments
- fixed some bugs
Juergen Gross (6):
config: update Mini-OS commit
stubdom: extend xenstore stubdom configs
tools/xenstored: mount 9pfs device in stubdom
tools/xenstored: add helpers for filename handling
tools/xenstored: support compl
Mount the 9pfs device in stubdom enabling it to use files.
This has to happen in a worker thread in order to allow the main thread
handling the required Xenstore accesses in parallel.
Signed-off-by: Juergen Gross
Reviewed-by: Jason Andryuk
Reviewed-by: Julien Grall
---
V3:
- add logging
Update the Mini-OS upstream revision.
Signed-off-by: Juergen Gross
---
V9:
- new patch
---
Config.mk | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/Config.mk b/Config.mk
index 6f6e0425ba..a962f095ca 100644
--- a/Config.mk
+++ b/Config.mk
@@ -224,7 +224,7
Xenstore stubdom needs some more symbols exported.
Signed-off-by: Juergen Gross
---
xenbus.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/xenbus.c b/xenbus.c
index eb9af055..686428a4 100644
--- a/xenbus.c
+++ b/xenbus.c
@@ -45,6 +45,7 @@
#endif
struct xenstore_domain_interface
On 16.02.24 17:31, Juergen Gross wrote:
Extend the config files of the Xenstore stubdoms to include XENBUS
and 9PFRONT items in order to support file based logging.
Signed-off-by: Juergen Gross
Reviewed-by: Jason Andryuk
Samuel, are you fine with this patch?
Juergen
---
stubdom
On 22.02.24 10:49, Roger Pau Monné wrote:
On Wed, Feb 21, 2024 at 10:53:49PM +, Julien Grall wrote:
Hi George,
On 21/02/2024 02:55, George Dunlap wrote:
On Mon, Feb 19, 2024 at 6:38 PM Jan Beulich wrote:
On 19.02.2024 11:31, Roger Pau Monné wrote:
On Mon, Feb 19, 2024 at 06:01:54PM
On 22.02.24 09:21, osstest service owner wrote:
flight 184722 linux-linus real [real]
http://logs.test-lab.xenproject.org/osstest/logs/184722/
Regressions :-(
Tests which did not succeed and are blocking,
including tests which could not be run:
build-arm64-pvops 6 kernel-build
In xen-9pfsd fill_data() va_end() needs to be called before returning.
Coverity Id CID 1592145
Fixes: bcec59cf7ff4 ("tools/xen-9pfsd: add 9pfs version request support")
Signed-off-by: Juergen Gross
---
tools/9pfsd/io.c | 29 -
1 file changed, 16 inserti
With 9pfs now available in Xenstore-stubdom, there is no reason to
have distinct do_control_memreport() variants for the daemon and the
stubdom implementations.
Signed-off-by: Juergen Gross
Reviewed-by: Jason Andryuk
---
tools/xenstored/control.c | 27 +++
1 file
Mount the 9pfs device in stubdom enabling it to use files.
This has to happen in a worker thread in order to allow the main thread
handling the required Xenstore accesses in parallel.
Signed-off-by: Juergen Gross
Reviewed-by: Jason Andryuk
Reviewed-by: Julien Grall
---
V3:
- add logging
With 9pfs being fully available in Xenstore-stubdom now, there is no
reason to not fully support all logging capabilities in stubdom.
Open the logfile on stubdom only after the 9pfs file system has been
mounted.
Signed-off-by: Juergen Gross
Reviewed-by: Jason Andryuk
Reviewed-by: Julien Grall
() (used e.g. for saving the state
file in case of live update - needs to be unchanged in the daemon
case, but should result in /var/lib/xen/xenstore for stubdom)
Signed-off-by: Juergen Gross
Reviewed-by: Jason Andryuk
Reviewed-by: Julien Grall
---
V3:
- make absolute_filename() return a pointer
Extend the config files of the Xenstore stubdoms to include XENBUS
and 9PFRONT items in order to support file based logging.
Signed-off-by: Juergen Gross
Reviewed-by: Jason Andryuk
---
stubdom/xenstore-minios.cfg| 2 +-
stubdom/xenstorepvh-minios.cfg | 2 +-
2 files changed, 2 insertions
don't limit allowed file space or number of files.
Add a new libxl function for adding it similar to the function for
adding the console device.
Signed-off-by: Juergen Gross
Reviewed-by: Jason Andryuk
Reviewed-by: Anthony PERARD
---
V2:
- add security_model parameter to new libxl functi
For convenience "auto-delete" is available to let the backend delete the
oldest file of the guest in case otherwise "max-space" or "max-files"
would be violated.
The xen-9pfsd daemon will be started by libxenlight automatically when
the first "xen_9pfs" device
he domain name isn't available
in the related 9pfs specific function.
Settings the defaults in libxl requires to move the sanity checking
of 9pfs parameters from xl to libxl, too.
Signed-off-by: Juergen Gross
Reviewed-by: Jason Andryuk
Reviewed-by: Anthony PERARD
---
V2:
- test max_files and max_open
was applied
- added support of reading directories
- addressed review comments
Changes in V3:
- new patches 1, 23-25
- addressed review comments
Changes in V2:
- support of multiple rings per device
- xenlogd->xen-9pfsd rename
- addressed review comments
- fixed some bugs
Juergen Gross
On 15.02.24 14:04, Juergen Gross wrote:
Add the transport layer of 9pfs. This is basically the infrastructure
to receive requests from the frontend and to send the related answers
via the rings.
Signed-off-by: Juergen Gross
Reviewed-by: Jason Andryuk
Acked-by: Anthony PERARD
Seems CI
Linus,
Please git pull the following tag:
git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip.git
for-linus-6.8a-rc5-tag
xen: branch for v6.8-rc5
It contains the following fixes and simple cleanups:
- A fix using a proper flexible array instead of a one-element array in order to
avoid
Mount the 9pfs device in stubdom enabling it to use files.
This has to happen in a worker thread in order to allow the main thread
handling the required Xenstore accesses in parallel.
Signed-off-by: Juergen Gross
Reviewed-by: Jason Andryuk
Reviewed-by: Julien Grall
---
V3:
- add logging
Add the read request of the 9pfs protocol.
Signed-off-by: Juergen Gross
Reviewed-by: Jason Andryuk
Acked-by: Anthony PERARD
---
V2:
- make error check more readable (Jason Andryuk)
V4:
- add directory read support
V5:
- rewinddir() if reading a directory and offset is 0 (Jason Andryuk
Add the create request of the 9pfs protocol.
Signed-off-by: Juergen Gross
Acked-by: Anthony PERARD
Reviewed-by: Jason Andryuk
---
V2:
- set permissions correctly (Jason Andryuk)
V3:
- use opendirat() etc. (Jason Andryuk)
- rework error handling a little bit
---
tools/9pfsd/io.c | 151
he domain name isn't available
in the related 9pfs specific function.
Settings the defaults in libxl requires to move the sanity checking
of 9pfs parameters from xl to libxl, too.
Signed-off-by: Juergen Gross
Reviewed-by: Jason Andryuk
Reviewed-by: Anthony PERARD
---
V2:
- test max_files and max_open
With 9pfs now available in Xenstore-stubdom, there is no reason to
have distinct do_control_memreport() variants for the daemon and the
stubdom implementations.
Signed-off-by: Juergen Gross
Reviewed-by: Jason Andryuk
---
tools/xenstored/control.c | 27 +++
1 file
Add the stat request of the 9pfs protocol.
Signed-off-by: Juergen Gross
Acked-by: Anthony PERARD
Reviewed-by: Jason Andryuk
---
V3:
- use fstatat() (Jason Andryuk)
V4:
- add "s" format to fill_buffer() as a preparation for reading dirs
---
tools/9pfsd/
Add the write request of the 9pfs protocol.
Signed-off-by: Juergen Gross
Reviewed-by: Jason Andryuk
Acked-by: Anthony PERARD
---
tools/9pfsd/io.c | 54
1 file changed, 54 insertions(+)
diff --git a/tools/9pfsd/io.c b/tools/9pfsd/io.c
index
() (used e.g. for saving the state
file in case of live update - needs to be unchanged in the daemon
case, but should result in /var/lib/xen/xenstore for stubdom)
Signed-off-by: Juergen Gross
Reviewed-by: Jason Andryuk
Reviewed-by: Julien Grall
---
V3:
- make absolute_filename() return a pointer
don't limit allowed file space or number of files.
Add a new libxl function for adding it similar to the function for
adding the console device.
Signed-off-by: Juergen Gross
---
V2:
- add security_model parameter to new libxl function (Jason Andryuk)
V4:
- rename function to libxl_device_9pfs_add()
Extend the config files of the Xenstore stubdoms to include XENBUS
and 9PFRONT items in order to support file based logging.
Signed-off-by: Juergen Gross
Reviewed-by: Jason Andryuk
---
stubdom/xenstore-minios.cfg| 2 +-
stubdom/xenstorepvh-minios.cfg | 2 +-
2 files changed, 2 insertions
With 9pfs being fully available in Xenstore-stubdom now, there is no
reason to not fully support all logging capabilities in stubdom.
Open the logfile on stubdom only after the 9pfs file system has been
mounted.
Signed-off-by: Juergen Gross
Reviewed-by: Jason Andryuk
Reviewed-by: Julien Grall
For convenience "auto-delete" is available to let the backend delete the
oldest file of the guest in case otherwise "max-space" or "max-files"
would be violated.
The xen-9pfsd daemon will be started by libxenlight automatically when
the first "xen_9pfs" device
Add the clunk request of the 9pfs protocol.
Signed-off-by: Juergen Gross
Acked-by: Anthony PERARD
Reviewed-by: Jason Andryuk
---
V3:
- use unlinkat() (Jason Andryuk)
---
tools/9pfsd/io.c | 43 +++
1 file changed, 43 insertions(+)
diff --git a/tools
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