Re: [Qemu-devel] [PATCH RESEND V3 5/6] migration: calculate downtime on dst side

2017-05-10 Thread Alexey
On Wed, May 10, 2017 at 04:58:59PM +0100, Daniel P. Berrange wrote: > On Wed, May 10, 2017 at 06:46:50PM +0300, Alexey wrote: > > On Tue, May 09, 2017 at 10:44:34AM +0100, Daniel P. Berrange wrote: > > > On Tue, May 09, 2017 at 10:40:34AM +0100, Dr. David Alan Gilbert wrote: > > > > * Peter Xu (pet

Re: [Qemu-devel] [PATCH] blockdev: Print a warning for legacy drive options that belong to -device

2017-05-10 Thread Markus Armbruster
Thomas Huth writes: > On 10.05.2017 17:55, Paolo Bonzini wrote: >> >> >> On 10/05/2017 17:50, Thomas Huth wrote: >>> We likely do not want to carry these legacy -drive options along forever. >>> Let's emit a deprecation warning for the -drive options that have a >>> replacement with the -device

Re: [Qemu-devel] [PATCH RESEND V3 5/6] migration: calculate downtime on dst side

2017-05-10 Thread Alexey
On Tue, May 09, 2017 at 08:01:01PM +0100, Dr. David Alan Gilbert wrote: > * Alexey (a.pereva...@samsung.com) wrote: > > On Tue, May 09, 2017 at 10:40:34AM +0100, Dr. David Alan Gilbert wrote: > > > * Peter Xu (pet...@redhat.com) wrote: > > > > On Mon, May 08, 2017 at 12:08:07PM +0300, Alexey wrote:

Re: [Qemu-devel] [PATCH v3 17/18] numa: add '-numa cpu, ...' option for property based node mapping

2017-05-10 Thread David Gibson
On Wed, May 10, 2017 at 01:30:01PM +0200, Igor Mammedov wrote: > legacy cpu to node mapping is using cpu index values to map > VCPU to node with help of '-numa node,nodeid=node,cpus=x[-y]' > option. However cpu index is internal concept and QEMU users > have to guess /reimplement qemu's logic/ to m

Re: [Qemu-devel] [virtio-dev] RE: virtio-net: configurable TX queue size

2017-05-10 Thread Wei Wang
On 05/11/2017 04:07 AM, Michael S. Tsirkin wrote: On Wed, May 10, 2017 at 05:52:23PM +0800, Wei Wang wrote: On 05/07/2017 12:39 PM, Wang, Wei W wrote: On 05/06/2017 04:37 AM, Michael S. Tsirkin wrote: On Fri, May 05, 2017 at 10:27:13AM +0800, Jason Wang wrote: On 2017年05月04日 18:58, Wang, Wei

Re: [Qemu-devel] [RFC PATCH 6/8] memory: introduce AddressSpaceOps

2017-05-10 Thread Peter Xu
On Wed, May 10, 2017 at 05:04:06PM +1000, David Gibson wrote: > On Mon, May 08, 2017 at 03:32:17PM +0800, Peter Xu wrote: > > On Mon, May 08, 2017 at 04:07:44PM +1000, David Gibson wrote: > > > On Mon, May 08, 2017 at 01:48:14PM +0800, Peter Xu wrote: > > > > On Mon, May 01, 2017 at 02:58:22PM +100

[Qemu-devel] [PATCH] virtio-net: keep the packet layout intact

2017-05-10 Thread Wei Wang
The current implementation may change the packet layout when vnet_hdr needs an endianness swap. The layout change causes one more iov to be added to the iov[] passed from the guest, which is a barrier to making the TX queue size 1024 due to the possible off-by-one issue. This patch changes the imp

Re: [Qemu-devel] [PATCH 05/11] blockjob: separate monitor and blockjob APIs

2017-05-10 Thread Paolo Bonzini
On 09/05/2017 19:06, Jeff Cody wrote: >> Keep the two APIs separate in the blockjob.c file too. This will >> be useful when transitioning away from the AioContext lock, because >> there will be locking policies for the two categories, too---the >> monitor will have to call new block_job_lock/unl

Re: [Qemu-devel] [PATCH RESEND V3 5/6] migration: calculate downtime on dst side

2017-05-10 Thread Peter Xu
On Wed, May 10, 2017 at 04:58:59PM +0100, Daniel P. Berrange wrote: > On Wed, May 10, 2017 at 06:46:50PM +0300, Alexey wrote: > > On Tue, May 09, 2017 at 10:44:34AM +0100, Daniel P. Berrange wrote: > > > On Tue, May 09, 2017 at 10:40:34AM +0100, Dr. David Alan Gilbert wrote: > > > > * Peter Xu (pet

Re: [Qemu-devel] [PATCH 7/8] target/ppc: optimize various functions using extract op

2017-05-10 Thread Nikunj A Dadhania
Philippe Mathieu-Daudé writes: > Applied using Coccinelle script. > > Signed-off-by: Philippe Mathieu-Daudé > --- > target/ppc/translate.c | 9 +++-- > target/ppc/translate/vsx-impl.inc.c | 21 +++-- > 2 files changed, 10 insertions(+), 20 deletions(-) > > diff

Re: [Qemu-devel] [PATCH v3 11/18] QMP: include CpuInstanceProperties into query_cpus output output

2017-05-10 Thread David Gibson
On Wed, May 10, 2017 at 01:29:55PM +0200, Igor Mammedov wrote: > if board supports CpuInstanceProperties, report them for > each CPU thread listed. Main motivation for this is to > provide these properties introspection via QMP interface > for using in test cases to verify numa node to cpu mapping,

Re: [Qemu-devel] [PATCH v3 01/18] numa: move source of default CPUs to NUMA node mapping into boards

2017-05-10 Thread David Gibson
On Wed, May 10, 2017 at 01:29:45PM +0200, Igor Mammedov wrote: > Originally CPU threads were by default assigned in > round-robin fashion. However it was causing issues in > guest since CPU threads from the same socket/core could > be placed on different NUMA nodes. > Commit fb43b73b (pc: fix defau

[Qemu-devel] [PULL 11/23] Add QemuMacDrivers qemu_vga.ndrv revision d4e7d7a built as submodule

2017-05-10 Thread David Gibson
From: Mark Cave-Ayland Signed-off-by: Mark Cave-Ayland Signed-off-by: David Gibson --- Makefile | 3 ++- pc-bios/qemu_vga.ndrv | Bin 0 -> 14752 bytes 2 files changed, 2 insertions(+), 1 deletion(-) create mode 100644 pc-bios/qemu_vga.ndrv diff --git a/Makefile b/Makefile inde

[Qemu-devel] [PULL 22/23] pnv: Fix build failures on some host platforms

2017-05-10 Thread David Gibson
This makes some changes to fix build failures on the 'min-glib' docker image, and maybe other platforms with a buildchain that's less tolerant about duplicated typedefs. Signed-off-by: David Gibson --- include/hw/ppc/pnv.h | 3 +-- include/hw/ppc/pnv_lpc.h | 4 ++-- include/hw/ppc/pnv_occ.h

[Qemu-devel] [PULL 23/23] target/ppc: Avoid printing wrong aliases in CPU help text

2017-05-10 Thread David Gibson
From: Thomas Huth When running with KVM, we update the "family" CPU alias to point to the right host CPU type, so that it for example possible to use "-cpu POWER8" on a POWER8NVL host. However, the function for printing the list of available CPU models is called earlier than the KVM setup code, s

[Qemu-devel] [PULL 21/23] target/ppc: Allow workarounds for POWER9 DD1

2017-05-10 Thread David Gibson
POWER9 DD1 silicon has some bugs which mean it a) isn't really compliant with the ISA v3.00 and b) require a number of special workarounds in the kernel. At the moment, qemu isn't aware of DD1. For TCG we don't really want it to be (why bother emulating buggy silicon). But with KVM, the guest do

[Qemu-devel] [PULL 16/23] target/ppc: Change tlbie invalid fields for POWER9 support

2017-05-10 Thread David Gibson
From: Suraj Jitindar Singh The tlbie[l] instructions are used to invalidate TLB entries used to cache address translations. In ISAv3.00 (POWER9) more fields were added to the tblie[l] instructions which were previously invalid. We don't care about any of these new fields since we just invalidate

[Qemu-devel] [PULL 17/23] target/ppc: Implement ISA V3.00 radix page fault handler

2017-05-10 Thread David Gibson
From: Suraj Jitindar Singh ISA V3.00 introduced a new radix mmu model. Implement the page fault handler for this so we can run a tcg guest in radix mode and perform address translation correctly. In real mode (mmu turned off) addresses are masked to remove the top 4 bits and then are subject to

[Qemu-devel] [PULL 18/23] target/ppc: Enable RADIX mmu mode for pseries TCG guest

2017-05-10 Thread David Gibson
From: Suraj Jitindar Singh Now that we have added all the infrastructure we can enable a pseries TCG guest to use radix. In order to do this we have to add the appropriate bits to the ibm,arch-vec-5-platform-support vector to represent that we support both hash and radix mmu models. A radix gue

[Qemu-devel] [PULL 20/23] spapr: Don't accidentally advertise HTM support on POWER9

2017-05-10 Thread David Gibson
Logic in spapr_populate_pa_features() enables the bit advertising Hardware Transactional Memory (HTM) in the guest's device tree only when KVM advertises its availability with the KVM_CAP_PPC_HTM feature. However, this assumes that the HTM bit is off in the base template used for the device tree v

[Qemu-devel] [PULL 10/23] Add QemuMacDrivers as submodule

2017-05-10 Thread David Gibson
From: Mark Cave-Ayland The QemuMacDrivers project provides virtualisation drivers for PPC MacOS guests. Signed-off-by: Mark Cave-Ayland Signed-off-by: David Gibson --- .gitmodules | 3 +++ pc-bios/README | 3 +++ roms/QemuMacDrivers | 1 + 3 files changed, 7 insertions(+) create

[Qemu-devel] [PULL 13/23] ppc: add qemu_vga.ndrv ROM to fw_cfg interface for NewWorld Macs

2017-05-10 Thread David Gibson
From: Mark Cave-Ayland Signed-off-by: Mark Cave-Ayland Signed-off-by: David Gibson --- hw/ppc/mac_newworld.c | 18 +- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/hw/ppc/mac_newworld.c b/hw/ppc/mac_newworld.c index 68aaedc..bae1c0a 100644 --- a/hw/ppc/mac_newwo

[Qemu-devel] [PULL 14/23] target/ppc: Set UPRT and GTSE on all cpus in H_REGISTER_PROCESS_TABLE

2017-05-10 Thread David Gibson
From: Suraj Jitindar Singh The UPRT and GTSE bits are set when a guest calls H_REGISTER_PROCESS_TABLE to choose determine how address translation is performed. Currently these bits in the LPCR are only set for the cpu which handles the H_CALL, however they need to be set for all cpus for that gue

[Qemu-devel] [PULL 08/23] ppc/xics: Fix stale irq->status bits after get

2017-05-10 Thread David Gibson
From: Sam Bobroff ics_get_kvm_state() "or"s set bits into irq->status but does not mask out clear bits. Correct this by initializing the IRQ status to zero before adding bits to it. Signed-off-by: Sam Bobroff Signed-off-by: David Gibson --- hw/intc/xics_kvm.c | 1 + 1 file changed, 1 inserti

[Qemu-devel] [PULL 15/23] target/ppc: Update tlbie to check privilege level based on GTSE

2017-05-10 Thread David Gibson
From: Suraj Jitindar Singh The Guest Translation Shootdown Enable (GTSE) bit in the Logical Partition Control Register (LPCR) can be set to enable a guest to use the tlbie instruction directly to invalidate translations. When the GTSE bit is set then the tlbie instruction is supervisor privilege

[Qemu-devel] [PULL 09/23] ppc/xics: preserve P and Q bits for KVM IRQs

2017-05-10 Thread David Gibson
From: Sam Bobroff Kernel commit 17d48610ae0f ("KVM: PPC: Book 3S: XICS: Implement ICS P/Q states") added new bits to the state used by KVM IRQs. Currently, QEMU does not preserve these bits, so migrating (or otherwise saving and restoring) the guest state causes the P and Q bits to be cleared. C

[Qemu-devel] [PULL 06/23] tcg: enable MTTCG by default for PPC64 on x86

2017-05-10 Thread David Gibson
From: Nikunj A Dadhania This enables the multi-threaded system emulation by default for PPC64 guests using the x86_64 TCG back-end. Signed-off-by: Nikunj A Dadhania Reviewed-by: Alex Bennée Signed-off-by: David Gibson --- configure| 2 ++ target/ppc/cpu.h | 2 ++ 2 files changed, 4 i

[Qemu-devel] [PULL 07/23] target/ppc: do not reset reserve_addr in exec_enter

2017-05-10 Thread David Gibson
From: Nikunj A Dadhania In case when atomic operation is not supported, exit_atomic is called and we stop the world and execute the atomic operation. This results in a following call chain: tcg_gen_atomic_cmpxchg_tl() -> gen_helper_exit_atomic() -> HELPER(exit_atomic) -> cpu_loop_

[Qemu-devel] [PULL 19/23] ppc: xics: fix compilation with CentOS 6

2017-05-10 Thread David Gibson
From: Paolo Bonzini The PowerPCCPU typedef is included twice if a file includes both hw/ppc/xics.h and target/ppc/cpu-qom.h. Signed-off-by: Paolo Bonzini Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: David Gibson --- include/hw/ppc/xics.h | 2 +- 1 file changed, 1 insertion(+), 1 deleti

[Qemu-devel] [PULL 05/23] cpus: Fix CPU unplug for MTTCG

2017-05-10 Thread David Gibson
From: Bharata B Rao Ensure that the unplugged CPU thread is destroyed and the waiting thread is notified about it. This is needed for CPU unplug to work correctly in MTTCG mode. Signed-off-by: Bharata B Rao Signed-off-by: Nikunj A Dadhania Signed-off-by: David Gibson --- cpus.c | 6 ++ 1

[Qemu-devel] [PULL 12/23] ppc: add qemu_vga.ndrv ROM to fw_cfg interface for OldWorld Macs

2017-05-10 Thread David Gibson
From: Mark Cave-Ayland Signed-off-by: Mark Cave-Ayland Signed-off-by: David Gibson --- hw/ppc/mac_oldworld.c | 18 +- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/hw/ppc/mac_oldworld.c b/hw/ppc/mac_oldworld.c index 5df94e2..97bb854 100644 --- a/hw/ppc/mac_oldwo

[Qemu-devel] [PULL 01/23] ppc/pnv: restrict BMC object to the BMC simulator

2017-05-10 Thread David Gibson
From: Cédric Le Goater Today, when a PowerNV guest runs, it uses the sensor definitions of the BMC simulator to populate the device tree. But an external IPMI BMC could also be used and, in that case, it is not (yet) possible to retrieve the sensor list. Generating the OEM SEL event for shutdown

[Qemu-devel] [PULL 02/23] target/ppc: Emulate LL/SC using cmpxchg helpers

2017-05-10 Thread David Gibson
From: Nikunj A Dadhania Emulating LL/SC with cmpxchg is not correct, since it can suffer from the ABA problem. However, portable parallel code is written assuming only cmpxchg which means that in practice this is a viable alternative. Signed-off-by: Nikunj A Dadhania Reviewed-by: Richard Hender

[Qemu-devel] [PULL 04/23] target/ppc: Generate fence operations

2017-05-10 Thread David Gibson
From: Nikunj A Dadhania Signed-off-by: Nikunj A Dadhania Reviewed-by: Richard Henderson Signed-off-by: David Gibson --- target/ppc/translate.c | 8 1 file changed, 8 insertions(+) diff --git a/target/ppc/translate.c b/target/ppc/translate.c index 50b6d4d..4a1f24a 100644 --- a/target

[Qemu-devel] [PULL 00/23] ppc-for-2.10 queue 20170511

2017-05-10 Thread David Gibson
e one from yesterday (20170510), fixing an important style bug in one patch, and adding an extra couple of simple patches. Highlights of this set: * Some fixes for POWER9 * TCG support for POWER9 radix MMU * VGA rom for Mac machine types * Fixes for the XICS interrupt controller * MTTCG s

[Qemu-devel] [PULL 03/23] cputlb: handle first atomic write to the page

2017-05-10 Thread David Gibson
From: Nikunj A Dadhania In case where the conditional write is the first write to the page, TLB_NOTDIRTY will be set and stop_the_world is triggered. Handle this as a special case and set the dirty bit. After that fall through to the actual atomic instruction below. Signed-off-by: Nikunj A Dadha

Re: [Qemu-devel] [PATCH v3 09/12] intel_iommu: allow dev-iotlb context entry conditionally

2017-05-10 Thread Peter Xu
On Thu, May 11, 2017 at 10:56:42AM +0800, Jason Wang wrote: > > > On 2017年05月10日 16:01, Peter Xu wrote: > >When device-iotlb is not specified, we should fail this check. > > > >Signed-off-by: Peter Xu > >--- > > hw/i386/intel_iommu.c | 13 - > > 1 file changed, 12 insertions(+), 1 d

Re: [Qemu-devel] [PATCH v3 09/12] intel_iommu: allow dev-iotlb context entry conditionally

2017-05-10 Thread Jason Wang
On 2017年05月10日 16:01, Peter Xu wrote: When device-iotlb is not specified, we should fail this check. Signed-off-by: Peter Xu --- hw/i386/intel_iommu.c | 13 - 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/hw/i386/intel_iommu.c b/hw/i386/intel_iommu.c index 05ae6

Re: [Qemu-devel] [PATCH v2 3/3] kvm: irqchip: skip update msi when disabled

2017-05-10 Thread Peter Xu
On Tue, May 09, 2017 at 02:00:44PM +0800, Peter Xu wrote: > It's possible that one device kept its irqfd/virq there even when > MSI/MSIX was disabled globally for that device. One example is > virtio-net-pci (see commit f1d0f15a6 and virtio_pci_vq_vector_mask()). > It is used as a fast path to avoi

[Qemu-devel] [PATCH v2 11/20] mirror: Switch mirror_do_read() to byte-based

2017-05-10 Thread Eric Blake
We are gradually converting to byte-based interfaces, as they are easier to reason about than sector-based. Convert another internal function (no semantic change). Signed-off-by: Eric Blake Reviewed-by: John Snow --- v2: rebase to earlier changes --- block/mirror.c | 75 ++

[Qemu-devel] [PATCH v2 10/20] mirror: Switch mirror_cow_align() to byte-based

2017-05-10 Thread Eric Blake
We are gradually converting to byte-based interfaces, as they are easier to reason about than sector-based. Convert another internal function (no semantic change), and add mirror_clip_bytes() as a counterpart to mirror_clip_sectors(). Some of the conversion is a bit tricky, requiring temporaries

[Qemu-devel] [PATCH v2 18/20] block: Make bdrv_is_allocated() byte-based

2017-05-10 Thread Eric Blake
We are gradually moving away from sector-based interfaces, towards byte-based. In the common case, allocation is unlikely to ever use values that are not naturally sector-aligned, but it is possible that byte-based values will let us be more precise about allocation at the end of an unaligned file

[Qemu-devel] [PATCH v2 20/20] block: Make bdrv_is_allocated_above() byte-based

2017-05-10 Thread Eric Blake
We are gradually moving away from sector-based interfaces, towards byte-based. In the common case, allocation is unlikely to ever use values that are not naturally sector-aligned, but it is possible that byte-based values will let us be more precise about allocation at the end of an unaligned file

[Qemu-devel] [PATCH v2 08/20] mirror: Switch mirror_do_zero_or_discard() to byte-based

2017-05-10 Thread Eric Blake
We are gradually converting to byte-based interfaces, as they are easier to reason about than sector-based. Convert another internal function (no semantic change). Signed-off-by: Eric Blake Reviewed-by: John Snow --- v2: no change --- block/mirror.c | 20 +++- 1 file changed,

[Qemu-devel] [PATCH v2 16/20] backup: Switch backup_do_cow() to byte-based

2017-05-10 Thread Eric Blake
We are gradually converting to byte-based interfaces, as they are easier to reason about than sector-based. Convert another internal function (no semantic change). Signed-off-by: Eric Blake Reviewed-by: John Snow --- v2: no change --- block/backup.c | 62 --

[Qemu-devel] [PATCH v2 19/20] block: Minimize raw use of bds->total_sectors

2017-05-10 Thread Eric Blake
bdrv_is_allocated_above() was relying on intermediate->total_sectors, which is a field that can have stale contents depending on the value of intermediate->has_variable_length. An audit shows that we are safe (we were first calling through bdrv_co_get_block_status() which in turn calls bdrv_nb_sec

[Qemu-devel] [PATCH v2 15/20] backup: Switch block_backup.h to byte-based

2017-05-10 Thread Eric Blake
We are gradually converting to byte-based interfaces, as they are easier to reason about than sector-based. Continue by converting the public interface to backup jobs (no semantic change), including a change to CowRequest to track by bytes instead of cluster indices. Note that this does not chang

[Qemu-devel] [PATCH v2 05/20] commit: Switch commit_populate() to byte-based

2017-05-10 Thread Eric Blake
We are gradually converting to byte-based interfaces, as they are easier to reason about than sector-based. Start by converting an internal function (no semantic change). Signed-off-by: Eric Blake Reviewed-by: John Snow --- v2: no change --- block/commit.c | 15 --- 1 file changed

[Qemu-devel] [PATCH v2 09/20] mirror: Update signature of mirror_clip_sectors()

2017-05-10 Thread Eric Blake
Rather than having a void function that modifies its input in-place as the output, change the signature to reduce a layer of indirection and return the result. Suggested-by: John Snow Signed-off-by: Eric Blake --- v2: new patch --- block/mirror.c | 15 --- 1 file changed, 8 inserti

[Qemu-devel] [PATCH v2 17/20] backup: Switch backup_run() to byte-based

2017-05-10 Thread Eric Blake
We are gradually converting to byte-based interfaces, as they are easier to reason about than sector-based. Change the internal loop iteration of backups to track by bytes instead of sectors (although we are still guaranteed that we iterate by steps that are cluster-aligned). Signed-off-by: Eric

[Qemu-devel] [PATCH v2 14/20] backup: Switch BackupBlockJob to byte-based

2017-05-10 Thread Eric Blake
We are gradually converting to byte-based interfaces, as they are easier to reason about than sector-based. Continue by converting an internal structure (no semantic change), and all references to tracking progress. Drop a redundant local variable bytes_per_cluster. Signed-off-by: Eric Blake Re

[Qemu-devel] [PATCH v2 02/20] trace: Show blockjob actions via bytes, not sectors

2017-05-10 Thread Eric Blake
Upcoming patches are going to switch to byte-based interfaces instead of sector-based. Even worse, trace_backup_do_cow_enter() had a weird mix of cluster and sector indices. The trace interface is low enough that there are no stability guarantees, and therefore nothing wrong with changing our uni

[Qemu-devel] [PATCH v2 07/20] mirror: Switch MirrorBlockJob to byte-based

2017-05-10 Thread Eric Blake
We are gradually converting to byte-based interfaces, as they are easier to reason about than sector-based. Continue by converting an internal structure (no semantic change), and all references to the buffer size. [checkpatch has a false positive on use of MIN() in this patch] Signed-off-by: Eri

[Qemu-devel] [PATCH v2 13/20] block: Drop unused bdrv_round_sectors_to_clusters()

2017-05-10 Thread Eric Blake
Now that the last user [mirror_iteration()] has converted to using bytes, we no longer need a function to round sectors to clusters. Signed-off-by: Eric Blake Reviewed-by: John Snow --- v2: hoist to earlier series, no change --- include/block/block.h | 4 block/io.c| 21 -

[Qemu-devel] [PATCH v2 04/20] stream: Switch stream_run() to byte-based

2017-05-10 Thread Eric Blake
We are gradually converting to byte-based interfaces, as they are easier to reason about than sector-based. Change the internal loop iteration of streaming to track by bytes instead of sectors (although we are still guaranteed that we iterate by steps that are sector-aligned). Signed-off-by: Eric

[Qemu-devel] [PATCH v2 01/20] blockjob: Track job ratelimits via bytes, not sectors

2017-05-10 Thread Eric Blake
The user interface specifies job rate limits in bytes/second. It's pointless to have our internal representation track things in sectors/second, particularly since we want to move away from sector-based interfaces. Fix up a doc typo found while verifying that the ratelimit code handles the scaling

[Qemu-devel] [PATCH v2 06/20] commit: Switch commit_run() to byte-based

2017-05-10 Thread Eric Blake
We are gradually converting to byte-based interfaces, as they are easier to reason about than sector-based. Change the internal loop iteration of committing to track by bytes instead of sectors (although we are still guaranteed that we iterate by steps that are sector-aligned). Signed-off-by: Eri

[Qemu-devel] [PATCH v2 12/20] mirror: Switch mirror_iteration() to byte-based

2017-05-10 Thread Eric Blake
We are gradually converting to byte-based interfaces, as they are easier to reason about than sector-based. Change the internal loop iteration of mirroring to track by bytes instead of sectors (although we are still guaranteed that we iterate by steps that are both sector-aligned and multiples of

[Qemu-devel] [PATCH v2 00/20] make bdrv_is_allocated[_above] byte-based

2017-05-10 Thread Eric Blake
There are patches floating around to add NBD_CMD_BLOCK_STATUS, but NBD wants to report status on byte granularity (even if the reporting will probably be naturally aligned to sectors or even much higher levels). I've therefore started the task of converting our block status code to report at a byt

[Qemu-devel] [PATCH v2 03/20] stream: Switch stream_populate() to byte-based

2017-05-10 Thread Eric Blake
We are gradually converting to byte-based interfaces, as they are easier to reason about than sector-based. Start by converting an internal function (no semantic change). Signed-off-by: Eric Blake Reviewed-by: John Snow --- v2: no change --- block/stream.c | 11 ++- 1 file changed, 6

[Qemu-devel] [PATCH] spice: Use proper enum type for kbd led state

2017-05-10 Thread Jonathon Jongsma
Although the Qemu and spice flags currently have the same value, it seems more correct to pass the spice flag values to spice_server_kbd_leds(), especially considering that this function already makes an effort to convert between the QEMU_*_LED and SPICE_KEYBOARD_MODIFIER_* values. Signed-off-by:

Re: [Qemu-devel] [PATCH v3 04/12] memory: fix address_space_get_iotlb_entry()

2017-05-10 Thread David Gibson
On Wed, May 10, 2017 at 04:01:47PM +0800, Peter Xu wrote: > This function has an assumption that we will definitely call translate() > once (or say, the addr will be located inside one IOMMU memory region), > otherwise an empty IOTLB will be returned. Nevertheless, this is not > what we want. When

Re: [Qemu-devel] [RFC PATCH 1/2] spapr: Make h_register_process_table hcall flags global

2017-05-10 Thread David Gibson
On Mon, May 08, 2017 at 02:36:16PM +0530, Bharata B Rao wrote: > The flags used in h_register_process_table hcall are needed in spapr.c > and hence move them to a header file. While doing so, give them > slightly specific names. > > Signed-off-by: Bharata B Rao Reviewed-by: David Gibson > ---

Re: [Qemu-devel] [RFC PATCH 2/2] spapr: Fix migration of Radix guests

2017-05-10 Thread David Gibson
On Mon, May 08, 2017 at 02:36:17PM +0530, Bharata B Rao wrote: > Currently HTAB savevm handlers get registered by default and migration > of radix guest will fail. > > - Ensure that HTAB savevm handlers are not registered for radix case. > - Ensure that we issue KVM_PPC_CONFIGURE_V3_MMU for radix

Re: [Qemu-devel] [PATCH 7/8] target/ppc: optimize various functions using extract op

2017-05-10 Thread David Gibson
On Wed, May 10, 2017 at 05:05:34PM -0300, Philippe Mathieu-Daudé wrote: > Applied using Coccinelle script. > > Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: David Gibson > --- > target/ppc/translate.c | 9 +++-- > target/ppc/translate/vsx-impl.inc.c | 21 +++

Re: [Qemu-devel] [RFC PATCH v2] coccinelle: add a script to optimize tcg op using tcg_gen_extract()

2017-05-10 Thread Philippe Mathieu-Daudé
Ok I just understood Richard explanation, so this patch is WRONG and I need to get some real rest :( On 05/10/2017 08:52 PM, Philippe Mathieu-Daudé wrote: Apply this script using: $ docker run -v `pwd`:`pwd` -w `pwd` petersenna/coccinelle \ --sp-file scripts/coccinelle/tcg_gen_extract.cocc

Re: [Qemu-devel] [PATCH v3 09/15] target/sh4: optimize gen_store_fpr64

2017-05-10 Thread Philippe Mathieu-Daudé
On 05/10/2017 03:26 PM, Aurelien Jarno wrote: Using extr and avoiding intermediate temps. Signed-off-by: Aurelien Jarno Reviewed-by: Philippe Mathieu-Daudé --- target/sh4/translate.c | 8 +--- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/target/sh4/translate.c b/target

[Qemu-devel] [RFC PATCH v2] coccinelle: add a script to optimize tcg op using tcg_gen_extract()

2017-05-10 Thread Philippe Mathieu-Daudé
Apply this script using: $ docker run -v `pwd`:`pwd` -w `pwd` petersenna/coccinelle \ --sp-file scripts/coccinelle/tcg_gen_extract.cocci \ --macro-file scripts/cocci-macro-file.h \ --dir target \ --in-place Signed-off-by: Philippe Mathieu-Daudé --- This is a new version of the c

Re: [Qemu-devel] [Qemu-block] [PATCH 16/17] block: Make bdrv_is_allocated() byte-based

2017-05-10 Thread Eric Blake
On 04/19/2017 04:40 PM, John Snow wrote: > > > On 04/19/2017 05:12 PM, Eric Blake wrote: >> On 04/19/2017 03:32 PM, John Snow wrote: >> @@ -279,9 +280,9 @@ static int mig_save_device_bulk(QEMUFile *f, BlkMigDevState *bmds) /* Skip unallocated sectors; intentionally treats

Re: [Qemu-devel] [Qemu-block] [PATCH 17/17] block: Make bdrv_is_allocated_above() byte-based

2017-05-10 Thread Eric Blake
On 04/24/2017 08:48 PM, Eric Blake wrote: >> >> >>> -n = psectors_inter; >>> + offset + pnum_inter < (intermediate->total_sectors * >>> +BDRV_SECTOR_SIZE))) { >> >> Naive question: not worth using either bdrv_getlength for bytes, or the >

Re: [Qemu-devel] [PATCH 1/8] coccinelle: add a script to optimize tcg op using tcg_gen_extract()

2017-05-10 Thread Philippe Mathieu-Daudé
On 05/10/2017 05:19 PM, Richard Henderson wrote: On 05/10/2017 01:05 PM, Philippe Mathieu-Daudé wrote: +-tcg_gen_shri_tl(ret, arg, ofs); +-tcg_gen_andi_tl(ret, ret, len); ++tcg_gen_extract_tl(ret, arg, ofs, len); You can't simply copy the and mask to the extract length. You need to verify it'

Re: [Qemu-devel] [PATCH v2 1/3] visitor: Add 'supported_qtypes' parameter to visit_start_alternate()

2017-05-10 Thread Eduardo Habkost
On Wed, May 10, 2017 at 03:16:56PM +0200, Markus Armbruster wrote: > Eduardo Habkost writes: > > > This will allow visitors to make decisions based on the supported qtypes > > of a given alternate type. The new parameter can replace the old > > 'promote_int' argument, as qobject-input-visitor can

[Qemu-devel] [PATCH 2/2] tcx: make display updates thread safe

2017-05-10 Thread Mark Cave-Ayland
Signed-off-by: Mark Cave-Ayland --- hw/display/tcx.c | 68 +++--- 1 file changed, 24 insertions(+), 44 deletions(-) diff --git a/hw/display/tcx.c b/hw/display/tcx.c index 0e66dcd..6593c1d 100644 --- a/hw/display/tcx.c +++ b/hw/display/tcx.c @@ -1

[Qemu-devel] [PATCH 0/2] cg3/tcx: make display updates thread safe

2017-05-10 Thread Mark Cave-Ayland
Now the previous fixes/cleanups have been applied, it is a fairly trivial exercise to make cg3/tcx display updates thread safe. Gerd, do you want to take these patches via your vga queue? Signed-off-by: Mark Cave-Ayland Mark Cave-Ayland (2): cg3: make display updates thread safe tcx: make d

[Qemu-devel] [PATCH 1/2] cg3: make display updates thread safe

2017-05-10 Thread Mark Cave-Ayland
Signed-off-by: Mark Cave-Ayland --- hw/display/cg3.c | 41 + 1 file changed, 21 insertions(+), 20 deletions(-) diff --git a/hw/display/cg3.c b/hw/display/cg3.c index 7ef8a96..1de15a1 100644 --- a/hw/display/cg3.c +++ b/hw/display/cg3.c @@ -94,7 +94,8 @@

Re: [Qemu-devel] [PATCH 2/8] target/arm: optimize smul_dual() and neon_trn_u8() using extract op

2017-05-10 Thread Philippe Mathieu-Daudé
On 05/10/2017 05:20 PM, Richard Henderson wrote: On 05/10/2017 01:05 PM, Philippe Mathieu-Daudé wrote: -tcg_gen_shri_i32(t1, t1, 8); -tcg_gen_andi_i32(t1, t1, 0x00ff00ff); +tcg_gen_extract_i32(t1, t1, 8, 0x00ff00ff); This is very wrong. See my previous comment. Arghhh I see, I c

Re: [Qemu-devel] [PATCH 1/8] coccinelle: add a script to optimize tcg op using tcg_gen_extract()

2017-05-10 Thread Eric Blake
On 05/10/2017 03:19 PM, Richard Henderson wrote: > On 05/10/2017 01:05 PM, Philippe Mathieu-Daudé wrote: >> +-tcg_gen_shri_tl(ret, arg, ofs); >> +-tcg_gen_andi_tl(ret, ret, len); >> ++tcg_gen_extract_tl(ret, arg, ofs, len); > > You can't simply copy the and mask to the extract length. > > You nee

Re: [Qemu-devel] [PATCH 1/8] coccinelle: add a script to optimize tcg op using tcg_gen_extract()

2017-05-10 Thread Philippe Mathieu-Daudé
On 05/10/2017 05:12 PM, Eric Blake wrote: On 05/10/2017 03:05 PM, Philippe Mathieu-Daudé wrote: Signed-off-by: Philippe Mathieu-Daudé --- scripts/coccinelle/tcg_gen_extract.cocci | 26 ++ 1 file changed, 26 insertions(+) create mode 100644 scripts/coccinelle/tcg_gen_ex

Re: [Qemu-devel] [PATCH 2/8] target/arm: optimize smul_dual() and neon_trn_u8() using extract op

2017-05-10 Thread Richard Henderson
On 05/10/2017 01:05 PM, Philippe Mathieu-Daudé wrote: -tcg_gen_shri_i32(t1, t1, 8); -tcg_gen_andi_i32(t1, t1, 0x00ff00ff); +tcg_gen_extract_i32(t1, t1, 8, 0x00ff00ff); This is very wrong. See my previous comment. r~

Re: [Qemu-devel] [PATCH 1/8] coccinelle: add a script to optimize tcg op using tcg_gen_extract()

2017-05-10 Thread Richard Henderson
On 05/10/2017 01:05 PM, Philippe Mathieu-Daudé wrote: +-tcg_gen_shri_tl(ret, arg, ofs); +-tcg_gen_andi_tl(ret, ret, len); ++tcg_gen_extract_tl(ret, arg, ofs, len); You can't simply copy the and mask to the extract length. You need to verify it's all low bits and convert that to a count of the

Re: [Qemu-devel] [PATCH 2/8] target/arm: optimize smul_dual() and neon_trn_u8() using extract op

2017-05-10 Thread Eric Blake
On 05/10/2017 03:05 PM, Philippe Mathieu-Daudé wrote: > Applied using Coccinelle script. Thinking forward a year - if I want to reproduce this (to see if other instances have crept in), I have to dig up a mail archive to learn the formula you used. Better is to list your coccinelle command line d

[Qemu-devel] [PATCH 8/8] target/sparc: optimize various functions using extract op

2017-05-10 Thread Philippe Mathieu-Daudé
Applied using Coccinelle script. Signed-off-by: Philippe Mathieu-Daudé --- target/sparc/translate.c | 15 +-- 1 file changed, 5 insertions(+), 10 deletions(-) diff --git a/target/sparc/translate.c b/target/sparc/translate.c index aa6734d54e..a92b5c425c 100644 --- a/target/sparc/tran

Re: [Qemu-devel] [PATCH 1/8] coccinelle: add a script to optimize tcg op using tcg_gen_extract()

2017-05-10 Thread Eric Blake
On 05/10/2017 03:05 PM, Philippe Mathieu-Daudé wrote: > Signed-off-by: Philippe Mathieu-Daudé > --- > scripts/coccinelle/tcg_gen_extract.cocci | 26 ++ > 1 file changed, 26 insertions(+) > create mode 100644 scripts/coccinelle/tcg_gen_extract.cocci > > diff --git a/scrip

Re: [Qemu-devel] [virtio-dev] RE: virtio-net: configurable TX queue size

2017-05-10 Thread Michael S. Tsirkin
On Wed, May 10, 2017 at 05:52:23PM +0800, Wei Wang wrote: > On 05/07/2017 12:39 PM, Wang, Wei W wrote: > > On 05/06/2017 04:37 AM, Michael S. Tsirkin wrote: > > > On Fri, May 05, 2017 at 10:27:13AM +0800, Jason Wang wrote: > > > > > > > > On 2017年05月04日 18:58, Wang, Wei W wrote: > > > > > Hi, > >

[Qemu-devel] [PATCH 5/8] target/m68k: optimize bcd_flags() using extract op

2017-05-10 Thread Philippe Mathieu-Daudé
Applied using Coccinelle script. Signed-off-by: Philippe Mathieu-Daudé --- target/m68k/translate.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/target/m68k/translate.c b/target/m68k/translate.c index 9f60fbc0db..babb9e2c5b 100644 --- a/target/m68k/translate.c +++ b/targe

[Qemu-devel] [PATCH 6/8] target/mips: optimize bshfl() using extract op

2017-05-10 Thread Philippe Mathieu-Daudé
Applied using Coccinelle script. Signed-off-by: Philippe Mathieu-Daudé --- target/mips/translate.c | 9 +++-- 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/target/mips/translate.c b/target/mips/translate.c index 3022f349cb..96177da9ae 100644 --- a/target/mips/translate.c +++

[Qemu-devel] [PATCH 4/8] target/cris: optimize gen_swapb() using extract op

2017-05-10 Thread Philippe Mathieu-Daudé
Applied using Coccinelle script. Signed-off-by: Philippe Mathieu-Daudé --- target/cris/translate.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/target/cris/translate.c b/target/cris/translate.c index 0ee05ca02d..c03403ac62 100644 --- a/target/cris/translate.c +++ b/targe

[Qemu-devel] [PATCH 2/8] target/arm: optimize smul_dual() and neon_trn_u8() using extract op

2017-05-10 Thread Philippe Mathieu-Daudé
Applied using Coccinelle script. Signed-off-by: Philippe Mathieu-Daudé --- target/arm/translate.c | 6 ++ 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/target/arm/translate.c b/target/arm/translate.c index 0b5a0bca06..3230efe1be 100644 --- a/target/arm/translate.c +++ b/targe

[Qemu-devel] [PATCH 7/8] target/ppc: optimize various functions using extract op

2017-05-10 Thread Philippe Mathieu-Daudé
Applied using Coccinelle script. Signed-off-by: Philippe Mathieu-Daudé --- target/ppc/translate.c | 9 +++-- target/ppc/translate/vsx-impl.inc.c | 21 +++-- 2 files changed, 10 insertions(+), 20 deletions(-) diff --git a/target/ppc/translate.c b/target/ppc/tran

[Qemu-devel] [PATCH 0/8] optimize various tcg_gen() functions using extract op

2017-05-10 Thread Philippe Mathieu-Daudé
While reviewing a commit from Aurelien Jarno where he optimized a TCG generator for SH-4 [1] I found the same optimization done on PPC by Nikunj A Dadhania few months ago [2]. After asking on the ML about a cocci script [3] I thought it would be easier to learn about Coccinelle. citing Aurelien Ja

[Qemu-devel] [PATCH 3/8] target/arm: optimize rev16() using extract op

2017-05-10 Thread Philippe Mathieu-Daudé
Applied using Coccinelle script. Signed-off-by: Philippe Mathieu-Daudé --- target/arm/translate-a64.c | 6 ++ 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index 24de30d92c..7ea130107e 100644 --- a/target/arm/translate-a

[Qemu-devel] [PATCH 1/8] coccinelle: add a script to optimize tcg op using tcg_gen_extract()

2017-05-10 Thread Philippe Mathieu-Daudé
Signed-off-by: Philippe Mathieu-Daudé --- scripts/coccinelle/tcg_gen_extract.cocci | 26 ++ 1 file changed, 26 insertions(+) create mode 100644 scripts/coccinelle/tcg_gen_extract.cocci diff --git a/scripts/coccinelle/tcg_gen_extract.cocci b/scripts/coccinelle/tcg_gen_ex

Re: [Qemu-devel] [PATCH v4 4/4] fsdev: QMP interface for throttling

2017-05-10 Thread Eric Blake
On 05/10/2017 03:41 AM, Pradeep Jagadeesh wrote: > This patch enables qmp interfaces for the fsdev > devices. This provides two interfaces one > for querying info of all the fsdev devices. The second one > to set the IO limits for the required fsdev device. > > Signed-off-by: Pradeep Jagadeesh >

Re: [Qemu-devel] [PATCH v4 3/4] qmp: refactor duplicate code

2017-05-10 Thread Eric Blake
On 05/10/2017 03:41 AM, Pradeep Jagadeesh wrote: > This patch factor out the duplicate qmp throttle interface code > that was present in both block and fsdev device files. > > Signed-off-by: Pradeep Jagadeesh > --- > blockdev.c | 53 +++- >

Re: [Qemu-devel] [PULL 0/9] pci, virtio, vhost: fixes

2017-05-10 Thread no-reply
Hi, This series seems to have some coding style problems. See output below for more information: Subject: [Qemu-devel] [PULL 0/9] pci, virtio, vhost: fixes Type: series Message-id: 1494443192-17177-1-git-send-email-...@redhat.com === TEST SCRIPT BEGIN === #!/bin/bash BASE=base n=1 total=$(git l

Re: [Qemu-devel] [PATCH v4 1/4] throttle: factor out duplicate code

2017-05-10 Thread Eric Blake
On 05/10/2017 10:27 AM, Pradeep Jagadeesh wrote: >> >> Isn't it a bit overkill to introduce a new file for a single function ? >> Maybe you could simply move this to util/throttle.c ? >> > OK, but I will add one more function later patch. Still do you think > better to move to util/thottle.c? As

Re: [Qemu-devel] [PATCH] syscall: fix compiler warnings (clang 5)

2017-05-10 Thread Eric Blake
>> >> The "for" loop scans the structure to find the rt_dev field, and we >> should always enter in the first "if", so "host_rt_dev_ptr" is always >> set. > > It's better indeed, I'll use g_assert_nonnull() and resend. Careful - we haven't yet resolved whether g_assert_nonnull() is safe to use.

Re: [Qemu-devel] [Question] SeaBIOS: cannot boot oracle linux if increase the maximum size of permanent high memory area

2017-05-10 Thread Kevin O'Connor
On Fri, May 05, 2017 at 10:49:05AM +, Gonglei (Arei) wrote: > Hi guys, > > Currently my workmate encountered an issues in the testing environment: > > A letter from him: > > In order to boot a BIG vm (with 4T mem, 255 vCPUs, 60 virtio-scsi > disk...), i have to increase the BUILD_MAX_HIGHT

[Qemu-devel] [PULL 7/9] iommu: Don't crash if machine is not PC_MACHINE

2017-05-10 Thread Michael S. Tsirkin
From: Eduardo Habkost Currently it's possible to crash QEMU using "-device *-iommu" and "-machine none": $ qemu-system-x86_64 -machine none -device amd-iommu qemu/hw/i386/amd_iommu.c:1140:amdvi_realize: Object 0x55627dafbc90 is not an instance of type generic-pc-machine Aborted (core dump

[Qemu-devel] [PULL 6/9] pc: add 2.10 machine type

2017-05-10 Thread Michael S. Tsirkin
From: Peter Xu CC: "Michael S. Tsirkin" CC: Paolo Bonzini CC: Richard Henderson CC: Eduardo Habkost Signed-off-by: Peter Xu Reviewed-by: Eduardo Habkost Reviewed-by: Michael S. Tsirkin Signed-off-by: Michael S. Tsirkin --- include/hw/i386/pc.h | 3 +++ hw/i386/pc_piix.c| 15

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