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2010-10-20trace: improve info trace outputBlue Swirl
Use PRI*64 to print full 64 bit data even on ILP32 hosts. Print also sixth tracepoint parameter. Acked-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Cc: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-10-20trace: Format strings must begin/end with double quotesStefan Hajnoczi
Document the restriction that format strings must begin and end with double quotes. This is for easy parsing since we don't run cpp over trace-events. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-10-20apic: convert debug printf statements to tracepointsBlue Swirl
Replace debug printf statements with tracepoints. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-10-20trace: Relax trace-events parsing regex in simpletrace.pyStefan Hajnoczi
The regular expression to parse trace event definitions assumed the format string would be a simple double-quoted string. However, we now use PRI?64 for portability which splits string literals. The regular expression can disregard the format string entirely since simpletrace.py never needs to use it. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-10-18issue snd_pcm_start() when capturing audioJindrich Makovicka
snd_pcm_start() starts the capture process and ensures that the events are delivered to the poll handler. Without the call, capture can be started only when there is simultaneous playback running. Signed-off-by: Jindrich Makovicka <makovick@gmail.com> Signed-off-by: malc <av1474@comtv.ru>
2010-10-18fix 100% CPU load when idle with ALSAJindrich Makovicka
Playback control function did not disable polling when playback stops. Caused busy spinning of the main loop due to unprocessed events. Signed-off-by: Jindrich Makovicka <makovick@gmail.com> Signed-off-by: malc <av1474@comtv.ru>
2010-10-13trace: print a warning if user tries to enable an unknown trace eventBlue Swirl
There was no warning if a bad trace event name was given to 'trace-event' command, thus the user could think that the command was successful even if this was not the case. Print a warning if the user tries to enable a trace event which is not known. Acked-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-10-13mips: avoid write only variablesBlue Swirl
Compiling with GCC 4.6.0 20100925 produced a lot of warnings like: /src/qemu/target-mips/translate.c: In function 'gen_ld': /src/qemu/target-mips/translate.c:1039:17: error: variable 'opn' set but not used [-Werror=unused-but-set-variable] Fix by adding a dummy cast so that the variable is not unused. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-10-13ppc: avoid write only variablesBlue Swirl
Compiling with GCC 4.6.0 20100925 produced warnings: /src/qemu/target-ppc/op_helper.c: In function 'helper_icbi': /src/qemu/target-ppc/op_helper.c:351:14: error: variable 'tmp' set but not used [-Werror=unused-but-set-variable] /src/qemu/target-ppc/op_helper.c: In function 'do_6xx_tlb': /src/qemu/target-ppc/op_helper.c:3805:28: error: variable 'EPN' set but not used [-Werror=unused-but-set-variable] /src/qemu/target-ppc/op_helper.c: In function 'do_74xx_tlb': /src/qemu/target-ppc/op_helper.c:3838:28: error: variable 'EPN' set but not used [-Werror=unused-but-set-variable] Fix by adding a dummy cast so that the variable is not unused. Delete tmp. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-10-13i386: avoid a write only variableBlue Swirl
Compiling with GCC 4.6.0 20100925 produced warnings: /src/qemu/target-i386/op_helper.c: In function 'switch_tss': /src/qemu/target-i386/op_helper.c:283:53: error: variable 'new_trap' set but not used [-Werror=unused-but-set-variable] Fix by adding a dummy cast so that the variable is not unused. Add also pointer to docs. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-10-13vnc: avoid write only variablesBlue Swirl
Compiling with GCC 4.6.0 20100925 produced warnings: /src/qemu/ui/vnc.c: In function 'vnc_client_cache_auth': /src/qemu/ui/vnc.c:217:12: error: variable 'qdict' set but not used [-Werror=unused-but-set-variable] /src/qemu/ui/vnc.c: In function 'vnc_display_open': /src/qemu/ui/vnc.c:2526:9: error: variable 'acl' set but not used [-Werror=unused-but-set-variable] Fix by making the variable declarations and their uses also conditional to debug definition. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-10-13cris: avoid a write only variableBlue Swirl
Compiling with GCC 4.6.0 20100925 produced a warning: In file included from /src/qemu/target-cris/translate.c:3154:0: /src/qemu/target-cris/translate_v10.c: In function 'dec10_prep_move_m': /src/qemu/target-cris/translate_v10.c:111:22: error: variable 'rd' set but not used [-Werror=unused-but-set-variable] Fix by deleting rd, adjust the only user. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-10-13Delete write only variablesBlue Swirl
Compiling with GCC 4.6.0 20100925 produced warnings like: /src/qemu/net/tap-win32.c: In function 'tap_win32_open': /src/qemu/net/tap-win32.c:582:12: error: variable 'hThread' set but not used [-Werror=unused-but-set-variable] Fix by removing the unused variables. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-10-13ppc: remove video.xBlue Swirl
Only Mac-on-Linux stuff used video.x, OpenBIOS does not need it. Remove video.x MoL hacks. Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-10-13lsi53c895a: avoid a write only variableBlue Swirl
Compiling with GCC 4.6.0 20100925 produced a warning: /src/qemu/hw/lsi53c895a.c: In function 'lsi_do_msgout': /src/qemu/hw/lsi53c895a.c:848:9: error: variable 'len' set but not used [-Werror=unused-but-set-variable] Fix by adding a dummy cast so that the variable is not unused for non-debug case. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-10-13eepro100: initialize a variable in all casesBlue Swirl
Compiling with GCC 4.6.0 20100925 produced warnings: /src/qemu/hw/eepro100.c: In function 'eepro100_read4': /src/qemu/hw/eepro100.c:1351:14: error: 'val' may be used uninitialized in this function [-Werror=uninitialized] /src/qemu/hw/eepro100.c: In function 'eepro100_read2': /src/qemu/hw/eepro100.c:1328:14: error: 'val' may be used uninitialized in this function [-Werror=uninitialized] /src/qemu/hw/eepro100.c: In function 'eepro100_read1': /src/qemu/hw/eepro100.c:1285:13: error: 'val' may be used uninitialized in this function [-Werror=uninitialized] Fix by initializing 'val' at start. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-10-13cirrus: avoid write only variablesBlue Swirl
Compiling with GCC 4.6.0 20100925 produced a lot of warnings like: In file included from /src/qemu/hw/cirrus_vga_rop.h:174:0, from /src/qemu/hw/cirrus_vga.c:284: /src/qemu/hw/cirrus_vga_rop2.h: In function 'cirrus_patternfill_0_8': /src/qemu/hw/cirrus_vga_rop2.h:48:18: error: variable 'col' set but not used [-Werror=unused-but-set-variable] /src/qemu/hw/cirrus_vga_rop2.h: In function 'cirrus_colorexpand_transp_0_8': /src/qemu/hw/cirrus_vga_rop2.h:104:18: error: variable 'col' set but not used [-Werror=unused-but-set-variable] Fix the warnings by introducing an inline function, which avoids exposing write-only variables. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-10-13block: avoid a write only variableBlue Swirl
Compiling with GCC 4.6.0 20100925 produced a warning: /src/qemu/block/qcow2-refcount.c: In function 'update_refcount': /src/qemu/block/qcow2-refcount.c:552:13: error: variable 'dummy' set but not used [-Werror=unused-but-set-variable] Fix by adding a dummy cast so that the result is not unused. Acked-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-10-11Merge remote branch 'mst/for_anthony' into stagingAnthony Liguori
2010-10-09trace: remove timestamp files when cleaning upBlue Swirl
'make clean' did not remove trace.[ch]-timestamp files, only trace.[ch]. But 'make' did not know how to make trace.[ch] files if the timestamp files were present. Fix by removing the timestamp files along with trace.[ch]. Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-10-09configure: Send error message from spice check to /dev/nullStefan Weil
pkg-config is not always available (e.g. on win32 hosts), but we don't want to see the 'command not found' error message. Redirect stdout and stderr to /dev/null. v2: * Removed changes which should not have been here. Cc: Gerd Hoffmann <kraxel@redhat.com> Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-10-09win32: Set unbuffered stdoutStefan Weil
Win32 does not support line-buffering, but it allows unbuffered output. Unbuffered output is a good approximation. For typical output statements which usually end with '\n', it's even identical. Buffered output is unusable for program traces because of its large delay. Cc: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-10-09.gitignore: Ignore *-timestampStefan Hajnoczi
Timestamp files were recently added to reduce make churn on source files that use tracing. The timestamp files should never be committed and should not be visible in git status. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-10-09acpi: Fix an infinite loop in acpi_table_addVincent Minet
Commit d729bb9a7700e364b1c5f9893d61f07a9e002bce has a typo, causing an infinite loop in acpi_table_add. Signed-off-by: Vincent Minet <vincent@vincent-minet.net> Acked-by: Jes Sorensen <Jes.Sorensen@redhat.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-10-09configure: Remove unneeded defines from checksStefan Weil
_GNU_SOURCE is already defined in QEMU_CFLAGS which is passed to gcc in shell function compile_prog. Removing the definition from several checks avoids compiler warnings (which are now written to config.log). Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-10-09configure: include stddef.h for NULLScott Wood
This fixes an observed failure to detect madvise() on Linux. To avoid similar issues, all other tests that use NULL but don't already have stddef.h (or another header that is defined to provide NULL, such as stdio.h, unistd.h, or time.h) are also fixed. Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-10-09trace: Trace bdrv_aio_{readv,writev}Stefan Hajnoczi
Observing block layer aio readv/writev operations is useful for debugging image formats or understanding guest disk I/O patterns. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-10-09trace: Use TP_PROTO() and TP_ARGS() for LTTng USTStefan Hajnoczi
The LTTng UserSpace Tracer formerly used TPPROTO() and TPARGS() instead of TP_PROTO() and TP_ARGS() like the kernel uses. This has been changed so QEMU needs to follow. I am not aware of a graceful way of making the transition but since no one complained that the UST build is broken, it should be fine to just switch over without compatibility for old UST headers. The newer UST headers are shipping in distro packages so it is realistic to make this change now. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-10-09trace: Don't strip lines containing '#' arbitrarilyStefan Hajnoczi
Although comment lines must be skipped, the '#' character can occur in valid format strings. Be more careful when checking for comments. Leave comments at the end of the line where they will not interfere with other processing. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-10-09trace: Use portable format stringsStefan Hajnoczi
It is not portable to use "%ld" for int64_t because int64_t may have type long on 64-bit platforms and long long on 32-bit platforms. Use the standard library PRId64 macros to keep format strings portable. Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-10-07cris: Consider the TLB valid bit on writes to the TLBEdgar E. Iglesias
When updating the guest TLB we only need to flush previous mappings from the entry written if the entry was valid. Also fixes a compiler warning reported by Blue Swirl. Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2010-10-07vhost: error codeMichael S. Tsirkin
fix up errors returned to include errno, not just -1 Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-10-07virtio: change set guest notifier to per-deviceMichael S. Tsirkin
When using irqfd with vhost-net to inject interrupts, a single evenfd might inject multiple interrupts. Implementing this is much easier with a single per-device callback to set guest notifiers. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-10-07eepro100: Add support for multiple individual addresses (multiple IA)Stefan Weil
I reviewed the latest sources of Linux, FreeBSD and NetBSD. They all reset the multiple IA bit (multi_ia in BSD) to zero, but I did not find code which sets this bit to one (like it is done by some routers). Running Windows guests also did not set this bit. Intel's Open Source Software Developer Manual does not give much information on the semantics related to this bit, so I had to guess how it works. The guess was good enough to make the router emulation work. Related changes in this patch: * Update naming and documentation of the internal hash register. It is not limited to multicast, but also used for multiple IA. * Dump complete configuration register when debug traces are enabled. * Debug output when multiple IA bit is set during CmdConfigure. * Debug output when frames are received because multiple IA bit is set, or when they are ignored although it is set. Cc: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-10-07virtio-net: unify vhost-net start/stopMichael S. Tsirkin
Move all of vhost-net start/stop logic to a single routine, and call it from everywhere. Additionally, start/stop vhost-net on link up/down: we should not transmit anything if user asked us to put the link down. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Alex Williamson <alex.williamson@redhat.com>
2010-10-07virtio: invoke set_status callback on resetMichael S. Tsirkin
As status is set to 0 on reset, invoke the relevant callback. This makes for a cleaner code in devices as they don't need to duplicate the code in their reset routine, as well as excercises this path a little more. In particular this makes it possible to unify vhost-net handling code with the following patch. Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
2010-10-06net: delay freeing peer host deviceMichael S. Tsirkin
With -netdev, virtio devices present offload features to guest, depending on the backend used. Thus, removing host netdev peer while guest is active leads to guest-visible inconsistency and/or crashes. As a solution, while guest (NIC) peer device exists, we prevent the host peer from being deleted. This patch does this by adding peer_deleted flag in nic state: if host device is going away while guest device is around, set this flag and keep a shell of the host device around for as long as guest device exists. The link is put down so all packets will get discarded. At the moment, management can detect that device deletion is delayed by doing info net. As a next step, we shall add commands that control hotplug/unplug without removing the device, and an event to report that guest has responded to the hotplug event. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Alex Williamson <alex.williamson@redhat.com>
2010-10-05Merge remote branch 'spice/submit.6' into stagingAnthony Liguori
Conflicts: configure Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
2010-10-05Merge remote branch 'qmp/for-anthony' into stagingAnthony Liguori
2010-10-05linux-user: Fix typo m86k -> m68kStefan Weil
Replace m86k_sim_stat by m68k_sim_stat. Cc: Riku Voipio <riku.voipio@iki.fi> Signed-off-by: Stefan Weil <weil@mail.berlios.de>
2010-10-05Fix spelling in commentsStefan Weil
multifuction -> multifunction successfull -> successful. Signed-off-by: Stefan Weil <weil@mail.berlios.de>
2010-10-05docs: Improve documentationStefan Weil
Fix some inconsistencies (tabs and punctuation) and try to improve grammar and spelling. Cc: Juan Quintela <quintela@redhat.com> Signed-off-by: Stefan Weil <weil@mail.berlios.de>
2010-10-05Add new user mode option -ignore-environmentStefan Weil
An empty environment is sometimes useful in user mode. The new option provides it for linux-user and bsd-user (darwin-user still has no environment related options). The patch also adds the documentation for other environment related options. Signed-off-by: Stefan Weil <weil@mail.berlios.de>
2010-10-05ppc: Minor 40x MMU fixesJohn Clark
* Fix swapped reading of tlblo/hi. * Fix tlb exec permissions Signed-off-by: John Clark <clarkjc@runbox.com> Signed-off-by: Alexander Graf <agraf@suse.de> Signed-off-by: Edgar E. Iglesias <edgar.iglesias@gmail.com>
2010-10-03console: Avoid dereferencing NULL active_consoleStefan Hajnoczi
The console_select() function does not check that active_console is non-NULL before dereferencing it. When invoked with qemu -nodefaults it is possible to hit this case. This patch checks that active_console is non-NULL before stashing away the old console dimensions in console_select(). Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> Acked-by: Gerd Hoffmann <kraxel@redhat.com> Acked-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-10-03exec: Fix compilation error for debug codeStefan Weil
is_softmmu was removed with commit d4c430a80f000d722bb70287af4d4c184a8d7006, so remove it now from debug code, too. Fix also the format specifier for paddr in the same line of code. Cc: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-10-03rc4030: Fix compilation error in debug codeStefan Weil
min was unknown here, so avoid it. Cc: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-10-03mipsnet: Fix compiler warning in debug codeStefan Weil
size_t needs a different format specifier, so fix this. Cc: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-10-03block/vvfat: Fix compiler warning in debug codeStefan Weil
Fix this compiler warning: ./block/vvfat.c:2285: error: comparison of unsigned expression >= 0 is always true Cc: Blue Swirl <blauwirbel@gmail.com> Cc: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
2010-10-03virtio-9p: Use GCC_FMT_ATTR and fix a format warningStefan Weil
With the new gcc format warnings, gcc detected this: /qemu/hw/virtio-9p.c:1040: error: format ‘%u’ expects type ‘unsigned int’, but argument 4 has type ‘__nlink_t’ Cc: Blue Swirl <blauwirbel@gmail.com> Signed-off-by: Stefan Weil <weil@mail.berlios.de> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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