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2009-06-19linux-user: strace now handles guest stringscorrectly [v2]Riku Voipio
On Tue, Jun 16, 2009 at 08:19:23PM -0500, Anthony Liguori wrote: > malc wrote: >> >> On my system the above line causes gcc to emit: >> >> In file included from /home/malc/x/rcs/git/qemu/linux-user/strace.c:12: >> /usr/include/linux/futex.h:48: error: field `__user' has incomplete type >> /usr/include/linux/futex.h:48: error: syntax error before '*' token >> /usr/include/linux/futex.h:63: error: field `list' has incomplete type >> /usr/include/linux/futex.h:83: error: field `__user' has incomplete type >> /usr/include/linux/futex.h:83: error: syntax error before '*' token >> make[1]: *** [strace.o] Error 1 > We had the same problem with usb-linux.c. It's broken system headers, > the __user stuff is supposed to get removed as part of the headers > installation. > It builds fine on my system (Fedora 10). Howabout something like this: commit eb8387cb0eda32a18880664eb5f0ca5c8bf05b45 Author: Riku Voipio <riku.voipio@iki.fi> Date: Thu Jun 18 22:44:31 2009 +0300 Subject: linux-user: include futex defines directly Since some common distributions have broken linux/futex.h, stop including it. Instead add the defines directly. Signed-off-by: Riku Voipio <riku.voipio@iki.fi>
2009-06-19fix qemu_alloc/qemu_free for audio subsystemJean-Christophe Dubois
Signed-off-by: Jean-Christophe DUBOIS <jcd@tribudubois.net>
2009-06-18alsa: fix warningGerd Hoffmann
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2009-06-18xilinx-eth: Remove debug print.Edgar E. Iglesias
Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2009-06-17Don't set IRQs on device reset and loadvm/savevmBlue Swirl
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2009-06-17Call piix4_reset() on system reset.Blue Swirl
Also zero pci_irq_levels on reset to avoid stuck irq after reset. Based on 15a1956af94e36105494f782a752698103addf63 by Gleb Natapov. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2009-06-17Don't set IRQs on device reset and loadvm/savevmBlue Swirl
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2009-06-17Call piix3_reset() on system reset.Gleb Natapov
Also zero pci_irq_levels on reset to avoid stuck irq after reset. Signed-off-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Yaniv Kamay <ykamay@redhat.com>
2009-06-17Register usb-uhci reset function.Gleb Natapov
The device is not reset on system reset currently. Without this patch RHEL4.8 hangs after reboot if -usbdevice table is in use. Signed-off-by: Gleb Natapov <gleb@redhat.com>
2009-06-17Revert "Update irqs on reset and device load"Blue Swirl
This reverts commit 3dcd219f09d6c1817bf9a132899e6b925f7a0914. It is incorrect to call qemu_irq functions (or any other functions that access other device state) during savevm/loadvm. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2009-06-17Allow user to specify CPU modelBlue Swirl
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2009-06-17Fix opening of read only raw imagesBlue Swirl
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2009-06-17Replace ELF section hack with normal tableBlue Swirl
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2009-06-17Concentrate rest of table entries to topBlue Swirl
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2009-06-17Concentrate most table entries to topBlue Swirl
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2009-06-17Clean up GEN_HANDLER2Blue Swirl
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2009-06-17Clean up GEN_HANDLERBlue Swirl
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2009-06-16exec.c: remove unnecessary #if NB_MMU_MODESIsaku Yamahata
remove unnecessary #if NB_MMU_MODES by using loop. Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> Acked-by: Edgar E. Iglesias <edgar.iglesias@gmail.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-16Fix vga_screen_dump_blank() PPM generationEduardo Habkost
vga_screen_dump_blank() was not generating a valid PPM file: the width of the image made no sense (why it was multiplied by sizeof(uint32_t)?), and there was only one sample per pixel, instead of three. Signed-off-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-16Prevent CD-ROM media eject while device is lockedMark McLoughlin
Section 10.8.25 ("START/STOP UNIT Command") of SFF-8020i states that if the device is locked we should refuse to eject if the device is locked. ASC_MEDIA_REMOVAL_PREVENTED is the appropriate return in this case. In order to stop itself from ejecting the media it is running from, Fedora's installer (anaconda) requires the CDROMEJECT ioctl() to fail if the drive has been previously locked. See also https://bugzilla.redhat.com/501412 Signed-off-by: Mark McLoughlin <markmc@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-16set migration max downtimeGlauber Costa
provide a monitor command to allow one to set the maximum downtime he is willing to suffer during migration, in seconds. "ms", "us", "ns" and "s" are accepted as modifiers. This parameter will be used by ram_save_live() code to determine a safe moment to enter stage 3 Signed-off-by: Glauber Costa <glommer@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-16add non-arbitrary migration stop conditionGlauber Costa
Currently, we're entering migration's stage 3 when a treshold of 10 pages remain to be transferred in the system. This has hurt some users. However, any proposed threshold is arbitrary by nature, and would only shift the annoyance. The proposal of this patch is to define a max_downtime variable, which represents the maximum downtime a migration user is willing to suffer. Then, based on the bandwidth of last iteration, we calculate how much data we can transfer in such a window of time. Whenever we reach that value (or lower), we know is safe to enter stage3. This has largely improved the situation for me. On localhost migrations, where one would expect things to go as quickly as me running away from the duty of writting software for windows, a kernel compile was enough to get the migration stuck. It takes 20 ~ 30 iterations now. Signed-off-by: Glauber Costa <glommer@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-16kvm: Fix IRQ injection into full queueJan Kiszka
User space may only inject interrupts during kvm_arch_pre_run if ready_for_interrupt_injection is set in kvm_run. But that field is updated on exit from KVM_RUN, so we must ensure that we enter the kernel after potentially queuing an interrupt, otherwise we risk to loose one - like it happens with the current code against latest kernel modules (since kvm-86) that started to queue only a single interrupt. Fix the problem by reordering kvm_cpu_exec. Credits go to Gleb Natapov for analyzing the issue in details. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-16Call qemu_bh_delete at bdrv_aio_bh_cb.Dor Laor
Also replave qemu_bh_cancel with qemu_bh_delete in bdrv_aio_cancel_em. Otherwise the bh will live forever in the bh list. Signed-off-by: Dor Laor <dor@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-16Remove dead codeAmit Shah
vl.c contains some dead code that initialises a 'label' string with the name of the char device being initialised. This is unused. Signed-off-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-16QEMU KVM: i386: Fix the cpu reset stateNitin A Kamble
As per the IA32 processor manual, the accessed bit is set to 1 in the processor state after reset. qemu pc cpu_reset code was missing this accessed bit setting. Signed-off-by: Nitin A Kamble <nitin.a.kamble@intel.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-16allow CPUID vendor overrideAndre Przywara
KVM-enabled QEMU will always report the vendor ID of the physical CPU it is running on. Allow to override this if explicitly requested on the command line. It will not suffice to name a CPU type (like -cpu phenom), but you have to explicitly set the vendor: -cpu phenom,vendor=AuthenticAMD Signed-off-by: Andre Przywara <andre.przywara@amd.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-16Fix help message for new configure option --enable-debug.Stefan Weil
The new option is --enable-debug, not --disable-debug. Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-16provide cpu_index to env mappingGlauber Costa
There are some people interested in, given a cpu number, pick its CPUState. KVM is an example, although not yet in tree. This patch provides a way of doing that. Signed-off-by: Glauber Costa <glommer@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-16pci: add define for communication class devicesAmit Shah
Signed-off-by: Amit Shah <amit.shah@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-16vnc: improve numpad support for qemu console.Gerd Hoffmann
Reorganize qemu console emulation code. Make it look at the numlock state and interpret numpad keys as arrow+friends (numlock off) or digits (numlock on). While being at it also wind up the other numpad keys. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-16virtio blk: fix warning.Gerd Hoffmann
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-16lsi53c895a: Implement write access to DMA Byte CounterSebastian Herbszt
Adds CASE_SET_REG24 and fixes the following errors: lsi_scsi: error: Unhandled writeb 0x24 = 0x0 lsi_scsi: error: Unhandled writeb 0x25 = 0x0 Signed-off-by: Sebastian Herbszt <herbszt@gmx.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-16lsi53c895a: Implement read and write access to DMA Next AddressSebastian Herbszt
Fixes the following errors: lsi_scsi: error: Unhandled writeb 0x28 = 0x0 lsi_scsi: error: Unhandled writeb 0x29 = 0x0 lsi_scsi: error: Unhandled writeb 0x2a = 0x0 lsi_scsi: error: Unhandled writeb 0x2b = 0x0 Signed-off-by: Sebastian Herbszt <herbszt@gmx.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-16lsi53c895a: Implement Scratch Byte RegisterSebastian Herbszt
Fixes the following errors: lsi_scsi: error: Unhandled writeb 0x3a = 0x0 lsi_scsi: error: readb 0x3a Signed-off-by: Sebastian Herbszt <herbszt@gmx.de> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-16Rename pci_register_io_region() to pci_register_bar()Avi Kivity
This function is used to manage a PCI BAR, so make the more generic pci_register_io_region() available to other uses. Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-16Rearrange io_mem_init()Avi Kivity
Move io_mem_init() downwards to avoid a forward declaration. No code change. Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-16Remove io_index argument from cpu_register_io_memory()Avi Kivity
The parameter is always zero except when registering the three internal io regions (ROM, unassigned, notdirty). Remove the parameter to reduce the API's power, thus facilitating future change. Signed-off-by: Avi Kivity <avi@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-16kvm: Restrict configure check to LinuxJan Kiszka
There is no point in trying to find KVM on anything else than Linux, at least for the moment. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-16mux-term: Fix timestamp associationJan Kiszka
So far a new timestamp was generated *after* a full line had been printed. Fix this. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-16mux-term: Localize timestampsJan Kiszka
As we can have multiple multiplexed terminals, timestamp control and tracking should better take place per MuxDriver. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-16readline: Remove unneeded qemu_mallocz() checkLuiz Capitulino
qemu_mallocz() already checks for NULL returns, readline_init() doesn't have to do it again. Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-16update_refcount: Write complete sectorsKevin Wolf
When updating the refcount blocks in update_refcount(), write complete sectors instead of updating single entries. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-16alloc_cluster_link_l2: Write complete sectorsKevin Wolf
When updating the L2 tables in alloc_cluster_link_l2(), write complete sectors instead of updating single entries. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-16l2_allocate: Write complete sectorsKevin Wolf
When modifying the L1 table, l2_allocate() needs to write complete sectors instead of single entries. The L1 table is already in memory, reading it from disk in the block layer to align the request is wasted performance. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-16qcow2: Rename global functionsKevin Wolf
The qcow2 source is now split into several more manageable files. During the conversion quite some functions that were static before needed to be changed to be global to make the source compile again. We were lucky enough not to get name conflicts with these additional global names, but they are not nice. This patch adds a qcow2_ prefix to all of the global functions in qcow2. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-16qcow2: Split out snapshot functionsKevin Wolf
qcow2-snapshot.c contains the code related to snapshotting. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-16qcow2: Split out guest cluster functionsKevin Wolf
qcow2-cluster.c contains all functions related to the management of guest clusters, i.e. what the guest sees on its virtual disk. This code is about mapping these guest clusters to host clusters in the image file using the two-level lookup tables. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-16qcow2: Split out refcount handlingKevin Wolf
qcow2-refcount.c contains all functions which are related to cluster allocation and management in the image file. A large part of this is the reference counting of these clusters. Also a header file qcow2.h is introduced which will contain the interface of the split qcow2 modules. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2009-06-16qcow2: Change default cluster size to 64kKevin Wolf
Larger cluster sizes mean less metadata. This has been discussion a few times, let's do it now. This turns 64k clusters on by default for new images. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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