Re: [Qemu-devel] [PATCH v7 00/15] Add param Error ** for msi_init()

On 06/09/2016 11:58 PM, Markus Armbruster wrote: I had only minor stylistic remarks this time. However, the series needs a rebase already. If the conflict resolution is trivial, you may add my Yes, it is trivial. just two file name changed in commit 605d52e62: -#include "vmxnet_tx_pkt.h"

Re: [Qemu-devel] [PATCH v4 1/9] qom: API to get instance_size of a type

On Fri, 10 Jun 2016 14:04:41 +1000 David Gibson wrote: > On Fri, Jun 10, 2016 at 06:29:00AM +0530, Bharata B Rao wrote: > > Add an API object_type_get_size(const char *typename) that returns the > > instance_size of the give typename. I'd rename it to

[Qemu-devel] [virtio-dev] New virtio device specification

Hi all, we are working on a new virtio device, namely the Signal Distribution Module (SDM). The SDM routes inter-processor signals intra and inter QEMU instances, using a user-defined communication channel. At the current state the SDM provides a local channel, for intra-QEMU signals, and a

Re: [Qemu-devel] [virtio-dev] New virtio device specification

On Fri, 10 Jun 2016 10:01:05 +0200 Christian Pinto wrote: > I am writing to understand how to start the procedure to include this > device in > the virtio specification and get a virtio device ID assigned. The best way is to prepare some patches against the

[Qemu-devel] [Bug 955379] Re: cmake hangs with qemu-arm-static

That's great! it works for me. Thanks a lot. -- You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/955379 Title: cmake hangs with qemu-arm-static Status in QEMU: Confirmed Status in Linaro QEMU:

Re: [Qemu-devel] [PATCH v2 1/6] target-i386: cpu: consolidate calls of object_property_parse() in x86_cpu_parse_featurestr

On Thu, 9 Jun 2016 14:29:00 -0300 Eduardo Habkost wrote: > On Thu, Jun 09, 2016 at 07:10:58PM +0200, Igor Mammedov wrote: > [...] > > + > > +if (local_err) { > > +error_propagate(errp, local_err); > > } > > error_propagate() already ignores

Re: [Qemu-devel] [PATCH v4 8/9] hmp: Add 'info hotpluggable-cpus' HMP command

On Fri, Jun 10, 2016 at 06:29:07AM +0530, Bharata B Rao wrote: > This is the HMP equivalent for QMP query-hotpluggable-cpus. > > Signed-off-by: Bharata B Rao > Reviewed-by: David Gibson This has a compile error on 32-bit host, because

[Qemu-devel] [PULL 05/15] qemu-thread: add simple test-and-set spinlock

From: Guillaume Delbergue Reviewed-by: Sergey Fedorov Signed-off-by: Guillaume Delbergue [Rewritten. - Paolo] Signed-off-by: Paolo Bonzini [Emilio's additions: use TAS instead

[Qemu-devel] [PULL 03/15] seqlock: rename write_lock/unlock to write_begin/end

From: "Emilio G. Cota" It is a more appropriate name, now that the mutex embedded in the seqlock is gone. Reviewed-by: Sergey Fedorov Reviewed-by: Alex Bennée Reviewed-by: Richard Henderson Signed-off-by:

[Qemu-devel] [PULL 10/15] qht: QEMU's fast, resizable and scalable Hash Table

From: "Emilio G. Cota" This is a fast, scalable chained hash table with optional auto-resizing, allowing reads that are concurrent with reads, and reads/writes that are concurrent with writes to separate buckets. A hash table with these features will be necessary for the

[Qemu-devel] [PULL 01/15] compiler.h: add QEMU_ALIGNED() to enforce struct alignment

From: "Emilio G. Cota" Reviewed-by: Sergey Fedorov Reviewed-by: Richard Henderson Reviewed-by: Alex Bennée Signed-off-by: Emilio G. Cota Message-Id:

[Qemu-devel] [PULL 02/15] seqlock: remove optional mutex

From: "Emilio G. Cota" This option is unused; besides, it bloats the struct when not needed. Let's just let writers define their own locks elsewhere. Reviewed-by: Sergey Fedorov Reviewed-by: Alex Bennée Reviewed-by: Richard

[Qemu-devel] [PATCH] migration: Don't use *_to_cpup()

The *_to_cpup() functions just compose a pointer dereference with a *_to_cpu() byteswap. Instead use ld*_p(), which handles potential pointer misaligment and avoids the need to cast the pointer. Signed-off-by: Peter Maydell --- The motivation here is that I'd like to

[Qemu-devel] [PATCH v3 5/6] trace: Conditionally trace events based on their per-vCPU state

Events with the 'vcpu' property are conditionally emitted according to their per-vCPU state. Other events are emitted normally based on their global tracing state. Note that the per-vCPU condition check applies to all tracing backends. Signed-off-by: Lluís Vilanova

[Qemu-devel] [PATCH v3 2/6] disas: Remove unused macro '_'

Eliminates a future compilation error when UI code includes the tracing headers (indirectly pulling "disas/bfd.h" through "qom/cpu.h") and GLib's i18n '_' macro. Signed-off-by: Lluís Vilanova --- disas/alpha.c |6 +++--- disas/arm.c |2 +- disas/i386.c

Re: [Qemu-devel] [RFC 02/10] softmmu_llsc_template.h: Move to multi-threading

On 26/05/16 19:35, Alvise Rigo wrote: > Using tcg_exclusive_{lock,unlock}(), make the emulation of > LoadLink/StoreConditional thread safe. > > During an LL access, this lock protects the load access itself, the > update of the exclusive history and the update of the VCPU's protected > range. In

[Qemu-devel] [PATCH v3 6/6] trace: Add QAPI/QMP interfaces to query and control per-vCPU tracing state

Signed-off-by: Lluís Vilanova Reviewed-by: Stefan Hajnoczi --- monitor.c |4 +- qapi/trace.json | 20 ++-- qmp-commands.hx | 17 ++- trace/qmp.c | 143 --- 4 files changed,

[Qemu-devel] [PATCH] configure: Rename CONFIG_QGA_NTDDDISK into CONFIG_QGA_NTDDSCSI

There is no CONFIG_QGA_NTDDDISK define used anywhere in the QEMU sources. Looking at the changelog and qga/commands-win32.c, it seems like this should be called CONFIG_QGA_NTDDSCSI instead. Signed-off-by: Thomas Huth --- configure | 2 +- 1 file changed, 1 insertion(+), 1

[Qemu-devel] [PATCH v9 08/10] target-mips: Add nan2008 flavor of <CEIL|CVT|FLOOR|ROUND|TRUNC>.<L|W>.<S|D>

From: Aleksandar Markovic New set of helpers for handling nan2008-syle versions of instructions .., for Mips R6. All involved instructions have float operand and integer result. Their core functionality is implemented via

[Qemu-devel] [PATCH v9 01/10] softfloat: Implement run-time-configurable meaning of signaling NaN bit

From: Aleksandar Markovic This patch modifies SoftFloat library so that it can be configured in run-time in relation to the meaning of signaling NaN bit, while, at the same time, strictly preserving its behavior on all existing platforms. Background: In

[Qemu-devel] [PULL 4/8] Migration: Split out ram part of qmp_query_migrate

From: "Dr. David Alan Gilbert" The RAM section of qmp_query_migrate is reasonably complex and repeated 3 times. Split it out into a helper. Signed-off-by: Dr. David Alan Gilbert Reviewed-by: Eric Blake Reviwed-by: Denis V. Lunev

[Qemu-devel] [PULL 3/8] Postcopy: Avoid 0 length discards

From: "Dr. David Alan Gilbert" The discard code in migration/ram.c would send request for zero length discards in the case where no discards were needed. It doesn't appear to have had any bad effect. Signed-off-by: Dr. David Alan Gilbert Reviewed-by:

[Qemu-devel] [PULL 0/8] migration: fixes

The following changes since commit 0c33682d5f29b0a4ae53bdec4c8e52e4fae37b34: target-i386: Move user-mode exception actions out of user-exec.c (2016-06-09 15:55:02 +0100) are available in the git repository at: https://git.kernel.org/pub/scm/virt/qemu/amit/migration.git

Re: [Qemu-devel] [PATCH 1/5] linux-user: add socketcall() strace

On 8 June 2016 at 21:24, Laurent Vivier wrote: > From: Laurent Vivier > > Signed-off-by: Laurent Vivier > --- > include/exec/user/abitypes.h | 23 ++ > linux-user/strace.c | 550 > +++ >

Re: [Qemu-devel] [PULL 0/8] migration: fixes

On 10 June 2016 at 12:48, Amit Shah wrote: > > The following changes since commit 0c33682d5f29b0a4ae53bdec4c8e52e4fae37b34: > > target-i386: Move user-mode exception actions out of user-exec.c > (2016-06-09 15:55:02 +0100) > > are available in the git repository at: > >

[Qemu-devel] [PULL 08/15] qdist: add module to represent frequency distributions of data

From: "Emilio G. Cota" Sometimes it is useful to have a quick histogram to represent a certain distribution -- for example, when investigating a performance regression in a hash table due to inadequate hashing. The appended allows us to easily represent a distribution using

[Qemu-devel] Reminder: don't trust 32-bit short IDs when using GPG!

We've noticed recently that the GPG keyservers have fake keys for some of the QEMU maintainers, which have keys which have been deliberately constructed to have collisions on the 32-bit "short ID" field which gpg shows you by default. (Example: https://pgp.mit.edu/pks/lookup?op=vindex=0x14360CDE

[Qemu-devel] [PATCH] nbd: Don't use *_to_cpup() functions

The *_to_cpup() functions are not very useful, as they simply do a pointer dereference and then a *_to_cpu(). Instead use either: * ld*_*_p(), if the data is at an address that might not be correctly aligned for the load * a local dereference and *_to_cpu(), if the pointer is the correct

[Qemu-devel] [PATCH v3 0/6] trace: Per-vCPU tracing states

NOTE: This series applies on top of "trace: Show vCPU info in guest code events" Provides per-vCPU dynamic controls of the tracing state of events with the "vcpu" property. A later series proposes an optimization where tracing code can be elided for dynamically disabled events (it uses multiple

Re: [Qemu-devel] [PATCH] nbd: Don't use *_to_cpup() functions

On 06/10/2016 09:00 AM, Peter Maydell wrote: > The *_to_cpup() functions are not very useful, as they simply do > a pointer dereference and then a *_to_cpu(). Instead use either: > * ld*_*_p(), if the data is at an address that might not be >correctly aligned for the load > * a local

Re: [Qemu-devel] [RFC 00/10] MTTCG: Slow-path for atomic insns

Alvise Rigo writes: > Hi, > > This series ports the latest iteration of the LL/SC work on top of the > latest MTTCG reference branch posted recently by Alex. > > These patches apply on top of the following series: > > - [RFC v1 00/12] Enable MTTCG for 32 bit arm

Re: [Qemu-devel] [PULL 0/5] ui: misc bug fixes

86: Move user-mode exception actions out of user-exec.c > (2016-06-09 15:55:02 +0100) > > are available in the git repository at: > > git://git.kraxel.org/qemu tags/pull-ui-20160610-1 > > for you to fetch changes up to 1185fde40c3ba02406665b9ee0743270c526be26: > >

Re: [Qemu-devel] [RFC 00/10] MTTCG: Slow-path for atomic insns

I might have broken something while rebasing on top of enable-mttcg-for-armv7-v1. I will sort this problem out. Thank you, alvise On Fri, Jun 10, 2016 at 5:21 PM, Alex Bennée wrote: > > Alvise Rigo writes: > >> Hi, >> >> This series ports

[Qemu-devel] [PATCH v8 10/17] pci bridge dev: change msi property type

>From bit to enum OnOffAuto. cc: Michael S. Tsirkin cc: Markus Armbruster cc: Marcel Apfelbaum Reviewed-by: Markus Armbruster Signed-off-by: Cao jin --- hw/pci-bridge/pci_bridge_dev.c | 13

[Qemu-devel] [PATCH v9 03/10] softfloat: For Mips only, correct default NaN values

From: Aleksandar Markovic Only for Mips platform, and only for cases when snan_bit_is_one is 0, correct default NaN values (in their 16-, 32-, and 64-bit flavors). For more info, see [1], page 84, Table 6.3 "Value Supplied When a New Quiet NaN Is Created", and

[Qemu-devel] [PATCH v9 04/10] softfloat: For Mips only, correct order in pickNaNMulAdd()

From: Aleksandar Markovic Only for Mips platform, and only for cases when snan_bit_is_one is 0, correct the order of argument comparisons in pickNaNMulAdd(). For more info, see [1], page 53, section "3.5.3 NaN Propagation". [1] "MIPS Architecture for Programmers

[Qemu-devel] [PULL 1/5] vnc: drop unused depth arg for set_pixel_format

Spotted by Coverity. Cc: Paolo Bonzini Signed-off-by: Gerd Hoffmann Message-id: 1465204725-31562-1-git-send-email-kra...@redhat.com --- ui/vnc.c | 6 ++ 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/ui/vnc.c b/ui/vnc.c index

Re: [Qemu-devel] [PATCH] target-i386: Remove assert(kvm_enabled()) from host_x86_cpu_initfn()

On Fri, 10 Jun 2016 08:48:33 -0300 Eduardo Habkost wrote: > The code will be changed to allow creation of the CPU object and > report kvm_required errors only at realizefn, so we need to make > the instance_init function more flexible. > > Signed-off-by: Eduardo Habkost

[Qemu-devel] [PULL 04/15] include/processor.h: define cpu_relax()

From: "Emilio G. Cota" Taken from the linux kernel. Reviewed-by: Sergey Fedorov Reviewed-by: Richard Henderson Reviewed-by: Alex Bennée Signed-off-by: Emilio G. Cota Message-Id:

[Qemu-devel] [PULL 06/15] exec: add tb_hash_func5, derived from xxhash

From: "Emilio G. Cota" This will be used by upcoming changes for hashing the tb hash. Add this into a separate file to include the copyright notice from xxhash. Reviewed-by: Sergey Fedorov Reviewed-by: Richard Henderson

[Qemu-devel] [PULL 00/15] tb hash improvements

-tcg-20160610 for you to fetch changes up to 9b1b8e78a5a8c849f5ca800d71497dc88a338483: translate-all: add tb hash bucket info to 'info jit' dump (2016-06-10 07:21:54 -0700) TB hashing improvements

[Qemu-devel] [PULL 15/15] translate-all: add tb hash bucket info to 'info jit' dump

From: "Emilio G. Cota" Examples: - Good hashing, i.e. tb_hash_func5(phys_pc, pc, flags): TB count715135/2684354 [...] TB hash buckets 388775/524288 (74.15% head buckets used) TB hash occupancy 33.04% avg chain occ. Histogram: [0,10)%|▆ █ ▅▁▃▁▁|[90,100]% TB

[Qemu-devel] [PULL 09/15] qdist: add test program

From: "Emilio G. Cota" Acked-by: Sergey Fedorov Reviewed-by: Richard Henderson Signed-off-by: Emilio G. Cota Message-Id: <1465412133-3029-10-git-send-email-c...@braap.org> Signed-off-by: Richard Henderson

[Qemu-devel] [PULL 07/15] tb hash: hash phys_pc, pc, and flags with xxhash

From: "Emilio G. Cota" For some workloads such as arm bootup, tb_phys_hash is performance-critical. The is due to the high frequency of accesses to the hash table, originated by (frequent) TLB flushes that wipe out the cpu-private tb_jmp_cache's. More info:

[Qemu-devel] [PULL 11/15] qht: add test program

From: "Emilio G. Cota" Acked-by: Sergey Fedorov Reviewed-by: Alex Bennée Reviewed-by: Richard Henderson Signed-off-by: Emilio G. Cota Message-Id:

[Qemu-devel] [PULL 14/15] tb hash: track translated blocks with qht

From: "Emilio G. Cota" Having a fixed-size hash table for keeping track of all translation blocks is suboptimal: some workloads are just too big or too small to get maximum performance from the hash table. The MRU promotion policy helps improve performance when the hash table is

Re: [Qemu-devel] [PATCH] migration: Don't use *_to_cpup()

On 06/10/2016 09:01 AM, Peter Maydell wrote: > The *_to_cpup() functions just compose a pointer dereference with > a *_to_cpu() byteswap. Instead use ld*_p(), which handles potential > pointer misaligment and avoids the need to cast the pointer. s/misaligment/misalignment/ > > Signed-off-by:

[Qemu-devel] [PATCH v3 3/6] [trivial] trace: Cosmetic changes on fast-path tracing

Signed-off-by: Lluís Vilanova Reviewed-by: Stefan Hajnoczi --- trace/control-internal.h |8 ++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/trace/control-internal.h b/trace/control-internal.h index c78a45a..d1f99e3 100644 ---

Re: [Qemu-devel] [PATCH v5 0/2] trace: Add event for vCPU memory accesses

On 06/09/2016 10:31 AM, Lluís Vilanova wrote: This series adds an event to track information related to memory accesses performed by the guest CPUs ("guest_mem_before"). A future series might extend this to contain the physical address and memory value (e.g., "guest_mem_after"). Signed-off-by:

[Qemu-devel] [PATCH v3 4/6] trace: Add per-vCPU tracing states for events with the 'vcpu' property

Each vCPU gets a 'trace_dstate' bitmap to control the per-vCPU dynamic tracing state of events with the 'vcpu' property. Signed-off-by: Lluís Vilanova --- Makefile.objs|1 + bsd-user/main.c |2 + include/qom/cpu.h|6

[Qemu-devel] [PATCH] configure: Remove unused CONFIG_SIGEV_THREAD_ID switch

The CONFIG_SIGEV_THREAD_ID switch is unused since the related code has been removed by commit 6d327171551a12b937c5718073b9848d0274c74d ("aio / timers: Remove alarm timers"), so it can safely be removed nowadays. Signed-off-by: Thomas Huth --- configure | 22

[Qemu-devel] [PULL 12/15] qht: add qht-bench, a performance benchmark

From: "Emilio G. Cota" This serves as a performance benchmark as well as a stress test for QHT. We can tweak quite a number of things, including the number of resize threads and how frequently resizes are triggered. A performance comparison of QHT vs CLHT[1] and ck_hs[2] using

[Qemu-devel] [PULL 13/15] qht: add test-qht-par to invoke qht-bench from 'check' target

From: "Emilio G. Cota" Signed-off-by: Emilio G. Cota Message-Id: <1465412133-3029-14-git-send-email-c...@braap.org> Signed-off-by: Richard Henderson --- tests/.gitignore | 1 + tests/Makefile.include | 5 - tests/test-qht-par.c |

Re: [Qemu-devel] [PATCH v2 6/6] trace: Add QAPI/QMP interfaces to query and control per-vCPU tracing state

Eric Blake writes: > On 06/09/2016 11:34 AM, Lluís Vilanova wrote: >> Signed-off-by: Lluís Vilanova >> Reviewed-by: Stefan Hajnoczi >> --- >> monitor.c |4 +- >> qapi/trace.json | 20 ++-- >> qmp-commands.hx | 18 ++- >> trace/qmp.c

Re: [Qemu-devel] [PATCH v2 6/6] trace: Add QAPI/QMP interfaces to query and control per-vCPU tracing state

On 06/09/2016 11:34 AM, Lluís Vilanova wrote: > Signed-off-by: Lluís Vilanova > Reviewed-by: Stefan Hajnoczi > --- > monitor.c |4 +- > qapi/trace.json | 20 ++-- > qmp-commands.hx | 18 ++- > trace/qmp.c | 143 >

Re: [Qemu-devel] [PATCH v2 2/9] migration: Fix a potential issue

> Subject: Re: [PATCH v2 2/9] migration: Fix a potential issue > > On (Thu) 05 May 2016 [15:32:52], Liang Li wrote: > > At the end of live migration and before vm_start() on the destination > > side, we should make sure all the decompression tasks are finished, if > > this can not be guaranteed,

[Qemu-devel] [PATCH v3 1/6] trace: Identify events with the 'vcpu' property

A new event attribute 'cpu_id' is added to have a separate ID space ('TRACE_VCPU_*') for all events with the 'vcpu' property. These are later used to identify which events are enabled on each vCPU. Signed-off-by: Lluís Vilanova Reviewed-by: Stefan Hajnoczi

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