August 2016 - Devel - Libvirt List Archives

[libvirt] [PATCH 0/5] admin: Fix updating of the client limits

by Erik Skultety

This series slightly refactors the code in virnetserver.c in order to resolve https://bugzilla.redhat.com/show_bug.cgi?id=1357776. The problem resides in updating of the client limits which even though updated, thus "permitting" new connections to be established, do not re-enable polling for the socket file descriptor which results in all new connections still queueing on the socket. Erik Skultety (5): rpc: virnetserver: Rename ClientSetProcessingControls to ClientSetLimits rpc: virnetserver: Move virNetServerCheckLimits which is static up in the file rpc: virnetserver: Add code to CheckLimits to handle suspending of services admin: rpc: virnetserver: Fix updating of the client limits rpc: virnetserver: Remove dead code checking the client limits daemon/admin_server.c | 4 +-- src/rpc/virnetserver.c | 97 +++++++++++++++++++++++--------------------------- src/rpc/virnetserver.h | 6 ++-- 3 files changed, 50 insertions(+), 57 deletions(-) -- 2.5.5

8 years, 3 months

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[libvirt] [PATCH] qemu: only report errno in trace message on failure

by Daniel P. Berrange

Avoid reporting a stale errno value when the syscall succeeds, instead always pass 0. Signed-off-by: Daniel P. Berrange <berrange(a)redhat.com> --- src/qemu/qemu_monitor.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/src/qemu/qemu_monitor.c b/src/qemu/qemu_monitor.c index 58c04d5..6c9695e 100644 --- a/src/qemu/qemu_monitor.c +++ b/src/qemu/qemu_monitor.c @@ -528,12 +528,12 @@ qemuMonitorIOWrite(qemuMonitorPtr mon) PROBE(QEMU_MONITOR_IO_WRITE, "mon=%p buf=%s len=%zu ret=%d errno=%d", - mon, buf, len, done, errno); + mon, buf, len, done, done < 0 ? errno : 0); if (mon->msg->txFD != -1) { PROBE(QEMU_MONITOR_IO_SEND_FD, "mon=%p fd=%d ret=%d errno=%d", - mon, mon->msg->txFD, done, errno); + mon, mon->msg->txFD, done, done < 0 ? errno : 0); } if (done < 0) { -- 2.7.4

8 years, 3 months

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[libvirt] [PATCH] Post-release version bump to 2.2.0

by Michal Privoznik

Signed-off-by: Michal Privoznik <mprivozn(a)redhat.com> --- Pushed under trivial rule. configure.ac | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/configure.ac b/configure.ac index 2c81c95..8d7d63e 100644 --- a/configure.ac +++ b/configure.ac @@ -16,7 +16,7 @@ dnl You should have received a copy of the GNU Lesser General Public dnl License along with this library. If not, see dnl <http://www.gnu.org/licenses/>. -AC_INIT([libvirt], [2.1.0], [libvir-list(a)redhat.com], [], [http://libvirt.org]) +AC_INIT([libvirt], [2.2.0], [libvir-list(a)redhat.com], [], [http://libvirt.org]) AC_CONFIG_SRCDIR([src/libvirt.c]) AC_CONFIG_AUX_DIR([build-aux]) AC_CONFIG_HEADERS([config.h]) -- 2.8.4

8 years, 3 months

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[libvirt] [PATCH] Fix unbalanced quotation marks in messages

by Yuri Chornoivan

Hi, Thanks for reviewing this minor patch that fixes some glitches found while translating libvirt. Best regards, Yuri

8 years, 3 months

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[libvirt] [PATCH] device_conf: Let compiler decide on inlining functions

by Michal Privoznik

There's no point in forcing some functions to be both 'static' and 'inline' at the same time at the header file level. This leads to a situation where just linking the file defines those function (potentially needlessly). Instead, we should let the compiler (linker) decide whether the function are small enough to be inlined or not. Signed-off-by: Michal Privoznik <mprivozn(a)redhat.com> --- src/conf/device_conf.c | 24 ++++++++++++++++++++++++ src/conf/device_conf.h | 21 +++------------------ src/libvirt_private.syms | 3 +++ 3 files changed, 30 insertions(+), 18 deletions(-) diff --git a/src/conf/device_conf.c b/src/conf/device_conf.c index f58b9d0..f34b6c6 100644 --- a/src/conf/device_conf.c +++ b/src/conf/device_conf.c @@ -78,6 +78,30 @@ int virPCIDeviceAddressIsValid(virPCIDeviceAddressPtr addr, } +bool +virPCIDeviceAddressIsEmpty(const virPCIDeviceAddress *addr) +{ + return !(addr->domain || addr->bus || addr->slot); +} + + +bool +virDeviceInfoPCIAddressWanted(const virDomainDeviceInfo *info) +{ + return info->type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE || + (info->type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI && + virPCIDeviceAddressIsEmpty(&info->addr.pci)); +} + + +bool +virDeviceInfoPCIAddressPresent(const virDomainDeviceInfo *info) +{ + return info->type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI && + !virPCIDeviceAddressIsEmpty(&info->addr.pci); +} + + int virPCIDeviceAddressParseXML(xmlNodePtr node, virPCIDeviceAddressPtr addr) diff --git a/src/conf/device_conf.h b/src/conf/device_conf.h index 8443de6..98eaf3f 100644 --- a/src/conf/device_conf.h +++ b/src/conf/device_conf.h @@ -148,26 +148,11 @@ typedef struct _virDomainDeviceInfo { int virPCIDeviceAddressIsValid(virPCIDeviceAddressPtr addr, bool report); -static inline bool -virPCIDeviceAddressIsEmpty(const virPCIDeviceAddress *addr) -{ - return !(addr->domain || addr->bus || addr->slot); -} +bool virPCIDeviceAddressIsEmpty(const virPCIDeviceAddress *addr); -static inline bool -virDeviceInfoPCIAddressWanted(const virDomainDeviceInfo *info) -{ - return info->type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_NONE || - (info->type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI && - virPCIDeviceAddressIsEmpty(&info->addr.pci)); -} +bool virDeviceInfoPCIAddressWanted(const virDomainDeviceInfo *info); -static inline bool -virDeviceInfoPCIAddressPresent(const virDomainDeviceInfo *info) -{ - return info->type == VIR_DOMAIN_DEVICE_ADDRESS_TYPE_PCI && - !virPCIDeviceAddressIsEmpty(&info->addr.pci); -} +bool virDeviceInfoPCIAddressPresent(const virDomainDeviceInfo *info); int virPCIDeviceAddressParseXML(xmlNodePtr node, virPCIDeviceAddressPtr addr); diff --git a/src/libvirt_private.syms b/src/libvirt_private.syms index 89c4511..8c7aef0 100644 --- a/src/libvirt_private.syms +++ b/src/libvirt_private.syms @@ -76,10 +76,13 @@ virCPUModeTypeToString; # conf/device_conf.h +virDeviceInfoPCIAddressPresent; +virDeviceInfoPCIAddressWanted; virInterfaceLinkFormat; virInterfaceLinkParseXML; virPCIDeviceAddressEqual; virPCIDeviceAddressFormat; +virPCIDeviceAddressIsEmpty; virPCIDeviceAddressIsValid; virPCIDeviceAddressParseXML; -- 2.8.4

8 years, 3 months

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[libvirt] [PATCH 0/2] virpci: support driver_override sysfs interface

by Jim Fehlig

This series fixes a regression using Xen's pciback with kernels >= 3.16 containing https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/dr... It makes use of the driver_override sysfs interface introduced in kernel 3.12 https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/dr... This approach was suggested by Laine, falling back to using the new_id interface in the absence of driver_override https://www.redhat.com/archives/libvir-list/2016-June/msg02129.html The first patch simplifies the existing logic in virPCIDeviceBindToStub, making the second patch (which actually fixes the bug) a bit easier to code (and hopefully review). Jim Fehlig (2): virpci: simplify virPCIDeviceBindToStub virpci: support driver_override sysfs interface src/util/virpci.c | 253 +++++++++++++++++++++++++++++++++++++----------------- 1 file changed, 173 insertions(+), 80 deletions(-) -- 2.1.4

8 years, 3 months

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[libvirt] [PATCH 0/3] qemu: Don't error out on missing optional disk

by Martin Kletzander

More info in PATCH 3/3. Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1168453 Martin Kletzander (3): qemu: Make qemuDomainCheckDiskStartupPolicy self-contained qemu: Remove unnecessary label and its only reference qemu: Fix support for startupPolicy with volume/pool disks src/qemu/qemu_domain.c | 36 +++++++++++++++++++++--------------- src/qemu/qemu_domain.h | 5 +++-- src/qemu/qemu_process.c | 20 +++++--------------- 3 files changed, 29 insertions(+), 32 deletions(-) -- 2.9.2

8 years, 3 months

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[libvirt] [PATCH v2] storage: Document wiping formatted volume types

by Martin Kletzander

When wiping a volume we just rewrite all the data of the volume, not only the content. Since format gets overridden, we need to recreate the volume. However we can't do that for every possible format out there. Since it was only coded for the ploop volume type, let's document what might be the consequences instead of forbidding it for every other format out there. Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=868771 Signed-off-by: Martin Kletzander <mkletzan(a)redhat.com> --- v2: - Reworded according to John v1: - https://www.redhat.com/archives/libvir-list/2016-August/msg00050.html src/libvirt-storage.c | 15 ++++++++++----- 1 file changed, 10 insertions(+), 5 deletions(-) diff --git a/src/libvirt-storage.c b/src/libvirt-storage.c index cebe02fdda66..48996ba4c9c8 100644 --- a/src/libvirt-storage.c +++ b/src/libvirt-storage.c @@ -1725,11 +1725,16 @@ virStorageVolDelete(virStorageVolPtr vol, * @vol: pointer to storage volume * @flags: extra flags; not used yet, so callers should always pass 0 * - * Ensure data previously on a volume is not accessible to future - * reads. Also note, that depending on the actual volume - * representation, this call may not really overwrite the - * physical location of the volume. For instance, files stored - * journaled, log structured, copy-on-write, versioned, and + * Ensure data previously on a volume is not accessible to future reads. + * + * The data to be wiped may include the format and possibly size information, + * so non-raw images might become raw with a different size. It is storage + * backend dependent whether the format and size information is regenerated + * once the initial volume wipe is completed. + * + * Depending on the actual volume representation, this call may not + * overwrite the physical location of the volume. For instance, files + * stored journaled, log structured, copy-on-write, versioned, and * network file systems are known to be problematic. * * Returns 0 on success, or -1 on error -- 2.9.2

8 years, 3 months

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[libvirt] Question about LSN-2016-0001

by Jim Fehlig

I've noticed the behavior described by this LSN with libvirt+Xen. Config containing <graphics type='vnc' passwd=''/> allows any client to connect with no authentication check. I asked about this on the Xen security list and was told that "libxl interprets an empty password in the caller's configuration to mean that passwordless access should be permitted". The libvirt domXML docs are not clear on semantics of empty vnc password, only stating "The passwd attribute provides a VNC password in clear text". Should the libvirt domXML vnc passwd documentation be amended to define the semantics of an empty string in the passwd attribute? Is the behavior hypervisor-dependent as the documentation in qemu.conf suggests? Regards, Jim

8 years, 3 months

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[libvirt] [PATCH] storage: Document wiping formatted volume types

by Martin Kletzander

When wiping a volume we just rewrite all the data of the volume, not only the content. Since format gets overriden, we need to recreate the volume. However we can't do that for every possible format there. And since it was only coded for the ploop volume type, let's document what might be the consequences instead of forbidding it for every other format out there. Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=868771 Signed-off-by: Martin Kletzander <mkletzan(a)redhat.com> --- src/libvirt-storage.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/src/libvirt-storage.c b/src/libvirt-storage.c index cebe02fdda66..2be95a5adcaf 100644 --- a/src/libvirt-storage.c +++ b/src/libvirt-storage.c @@ -1732,6 +1732,12 @@ virStorageVolDelete(virStorageVolPtr vol, * journaled, log structured, copy-on-write, versioned, and * network file systems are known to be problematic. * + * NB the data includes the format (and possibly size information), so + * non-raw images might become raw with different size from libvirt's + * POV. Due to the fact that not all information for re-creating the + * volume can be kept for every volume type, the volume might be kept + * in that state and not re-created. + * * Returns 0 on success, or -1 on error */ int -- 2.9.2

8 years, 3 months

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Devel August 2016