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2013-10-26misc: Spelling and grammar fixes in commentsStefan Weil3-3/+3
* it's -> its * grammar fix in ui/vnc-enc-zywrle.h Signed-off-by: Stefan Weil <sw@weilnetz.de> Reviewed-by: Don Koch <dkoch@verizon.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-10-26docs/ccid.txt: fix the typoWengFan1-1/+1
Signed-off-by: WengFan <wengfan-fnst@cn.fujitsu.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-10-26qapi: fix documentation exampleEric Blake1-1/+1
The QMP wire format uses "", not '', around strings. * docs/qapi-code-gen.txt: Fix typo. Signed-off-by: Eric Blake <eblake@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-10-26.gitignore: ignore qmp-commands.txtFam Zheng1-1/+1
This file is moved out from QMP/ to BUILD dir, change the ignore file too. Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-10-26misc: New spelling fixes in commentsStefan Weil4-5/+5
compatiblity -> compatibility continously -> continuously existance -> existence usefull -> useful shoudl -> should Signed-off-by: Stefan Weil <sw@weilnetz.de> Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
2013-10-26configure: create fsdev/ directoryMichael Tokarev1-0/+1
In some cases when building with parallelism (make -jN), build fails because the directory where output files are supposed to be does not exist. In particular, when make decides to build virtfs-proxy-helper.1 before other files in fsdev/, build will fail with the following error: perl -Ww -- BUILDDIR/scripts/texi2pod.pl BUILDDIR/fsdev/virtfs-proxy-helper.texi fsdev/virtfs-proxy-helper.pod && pod2man --utf8 --section=1 --center=" " --release=" " fsdev/virtfs-proxy-helper.pod > fsdev/virtfs-proxy-helper.1 opening "fsdev/virtfs-proxy-helper.pod": No such file or directory Signed-off-by: Michael Tokarev <mjt@tls.msk.ru> Acked-by: Paolo Bonzini <pbonzini@redhat.com>
2013-10-18Merge remote-tracking branch 'qemu-kvm/uq/master' into stagingAnthony Liguori3-17/+56
# By Paolo Bonzini (2) and Jan Kiszka (1) # Via Gleb Natapov * qemu-kvm/uq/master: kvmvapic: Prevent reading beyond the end of guest RAM x86: cpuid: reconstruct leaf 0Dh data x86: fix migration from pre-version 12 Message-id: 1382108641-4862-1-git-send-email-pbonzini@redhat.com Signed-off-by: Anthony Liguori <aliguori@amazon.com>
2013-10-18Merge remote-tracking branch 'stefanha/net' into stagingAnthony Liguori2-1/+15
# By Amos Kong # Via Stefan Hajnoczi * stefanha/net: net/rtl8139: update network information when macaddr is changed in guest net/e1000: update network information when macaddr is changed in guest net: update nic info during device reset Message-id: 1382103314-21608-1-git-send-email-stefanha@redhat.com Signed-off-by: Anthony Liguori <aliguori@amazon.com>
2013-10-18Merge remote-tracking branch 'stefanha/block' into stagingAnthony Liguori6-15/+12
# By Fam Zheng (3) and others # Via Stefan Hajnoczi * stefanha/block: vmdk: fix VMFS extent parsing vmdk: Only read cid from image file when opening virtio: Remove unneeded memcpy block/raw-win32: Always use -errno in hdev_open blockdev: fix cdrom read_only flag sd: Avoid access to NULL BlockDriverState hmp: drop bogus "[not inserted]" Message-id: 1382105915-27735-1-git-send-email-stefanha@redhat.com Signed-off-by: Anthony Liguori <aliguori@amazon.com>
2013-10-18Merge remote-tracking branch 'bonzini/iommu-for-anthony' into stagingAnthony Liguori17-143/+502
# By Paolo Bonzini (10) and others # Via Paolo Bonzini * bonzini/iommu-for-anthony: exec: remove qemu_safe_ram_ptr icount: make it thread-safe icount: document (future) locking rules for icount icount: prepare the code for future races in calling qemu_clock_warp icount: reorganize icount_warp_rt icount: use cpu_get_icount() directly timer: add timer_mod_anticipate and timer_mod_anticipate_ns timer: extract timer_mod_ns_locked and timerlist_rearm timer: make qemu_clock_enable sync between disable and timer's cb qemu-thread: add QemuEvent timer: protect timers_state's clock with seqlock seqlock: introduce read-write seqlock vga: Mark relevant portio lists regions as coalesced MMIO flushing cirrus: Mark vga io region as coalesced MMIO flushing portio: Allow to mark portio lists as coalesced MMIO flushing compatfd: switch to QemuThread memory: fix 128 arithmetic in info mtree Message-id: 1382024935-28297-1-git-send-email-pbonzini@redhat.com Signed-off-by: Anthony Liguori <aliguori@amazon.com>
2013-10-18Merge remote-tracking branch 'bonzini/configure' into stagingAnthony Liguori18-30/+35
# By Peter Maydell (3) and Ákos Kovács (2) # Via Paolo Bonzini * bonzini/configure: ui/Makefile.objs: delete unnecessary cocoa.o dependency default-configs/: CONFIG_GDBSTUB_XML removed Makefile.target: CONFIG_NO_* variables removed rules.mak: New string testing functions rules.mak: New logical functions for handling y/n values
2013-10-18Merge remote-tracking branch 'spice/spice.v75' into stagingAnthony Liguori5-47/+81
# By Gerd Hoffmann (2) and others # Via Gerd Hoffmann * spice/spice.v75: spice: fix multihead support spice-display: add display channel id to the debug messages. Fix VNC SASL authentication when using a QXL device spice: replace use of deprecated API Message-id: 1382006760-19388-1-git-send-email-kraxel@redhat.com Signed-off-by: Anthony Liguori <aliguori@amazon.com>
2013-10-18Merge remote-tracking branch 'filippov/tags/20131015-xtensa' into stagingAnthony Liguori1-0/+8
xtensa queue 2013-10-15 # gpg: Signature made Tue 15 Oct 2013 06:27:41 AM PDT using RSA key ID F83FA044 # gpg: Can't check signature: public key not found # By Max Filippov # Via Max Filippov * filippov/tags/20131015-xtensa: target-xtensa: add in_asm logging Message-id: 1381844297-1728-1-git-send-email-jcmvbkbc@gmail.com Signed-off-by: Anthony Liguori <aliguori@amazon.com>
2013-10-18vmdk: fix VMFS extent parsingFam Zheng1-0/+2
The VMFS extent line in description file doesn't have start offset as FLAT lines does, and it should be defaulted to 0. The flat_offset variable is initialized to -1, so we need to set it in this case. Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-10-18vmdk: Only read cid from image file when openingFam Zheng1-5/+3
Previously cid of parent is parsed from image file for every IO request. We already have L1/L2 cache and don't have assumption that parent image can be updated behind us, so remove this to get more efficiency. The parent CID is checked only for once after opening. Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-10-18net/rtl8139: update network information when macaddr is changed in guestAmos Kong1-1/+5
rtl8139 has same problem as e1000, nic info isn't updated when macaddr is changed in guest. This patch updates the nic info when the last bit of macaddr is written. Signed-off-by: Amos Kong <akong@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-10-18net/e1000: update network information when macaddr is changed in guestAmos Kong1-0/+8
If we change macaddr in guest by 'ifconfig eth0 hw ether 12:12:12:34:35:36', the mac register of e1000 is already updated, but we don't update network information in qemu. Therefor, the information in monitor is wrong. This patch updates nic info when the second part of macaddr is written. Signed-off-by: Amos Kong <akong@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-10-18net: update nic info during device resetAmos Kong2-0/+2
macaddr is reset during device reset, but nic info isn't updated, this problem exists in e1000 & rtl8139 Signed-off-by: Amos Kong <akong@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-10-18virtio: Remove unneeded memcpyStefan Weil1-1/+0
Report from valgrind: ==19521== Source and destination overlap in memcpy(0x31d38938, 0x31d38938, 64) ==19521== at 0x4A0A343: memcpy@@GLIBC_2.14 (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so) ==19521== by 0x42774E: virtio_blk_device_init (virtio-blk.c:686) ==19521== by 0x46EE9E: virtio_device_init (virtio.c:1158) ==19521== by 0x25405E: device_realize (qdev.c:178) ==19521== by 0x2559B5: device_set_realized (qdev.c:699) ==19521== by 0x3A819B: property_set_bool (object.c:1315) ==19521== by 0x3A6CE0: object_property_set (object.c:803) Valgrind is right: blk == &s->blks, so it is a memcpy of 64 byte with source == destination which can be removed. Reported-by: Dave Airlie <airlied@gmail.com> Signed-off-by: Stefan Weil <sw@weilnetz.de> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-10-17exec: remove qemu_safe_ram_ptrPaolo Bonzini1-69/+28
This is not needed since the RAM list is not modified anymore by qemu_get_ram_ptr. Replace it with qemu_get_ram_block. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-10-17icount: make it thread-safePaolo Bonzini1-6/+31
This lets threads other than the I/O thread use vm_clock even in -icount mode. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-10-17icount: document (future) locking rules for icountPaolo Bonzini1-4/+11
Reviewed-by: Alex Bligh <alex@alex.org.uk> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-10-17icount: prepare the code for future races in calling qemu_clock_warpPaolo Bonzini1-12/+10
Computing the deadline of all vm_clocks is somewhat expensive and calls out to qemu-timer.c; two reasons not to do it in the seqlock's write-side critical section. This however opens the door for races in setting and reading vm_clock_warp_start. To plug them, we need to cover the case where a new deadline slips in between the call to qemu_clock_deadline_ns_all and the actual modification of the icount_warp_timer. Restrict changes to vm_clock_warp_start and the icount_warp_timer's expiration time, to only move them back (which would simply cause an early wakeup). If a vm_clock timer is cancelled while CPUs are idle, this might cause the icount_warp_timer to fire unnecessarily. This is not a problem, after it fires the timer becomes inactive and the next call to timer_mod_anticipate will be precise. In addition to this, we must deactivate the icount_warp_timer _before_ checking whether CPUs are idle. This way, if the "last" CPU becomes idle during the call to timer_del we will still set up the icount_warp_timer. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-10-17icount: reorganize icount_warp_rtPaolo Bonzini1-8/+10
To prepare for future code changes, move the increment of qemu_icount_bias outside the "if" statement. Also, hoist outside the if the check for timers that expired due to the "warping". The check is redundant when !runstate_is_running(), but doing it this way helps because the code that increments qemu_icount_bias will be a critical section. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-10-17icount: use cpu_get_icount() directlyPaolo Bonzini1-2/+5
This will help later when we will have to place these calls in a critical section, and thus call a version of cpu_get_icount() that does not take the lock. Reviewed-by: Alex Bligh <alex@alex.org.uk> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-10-17timer: add timer_mod_anticipate and timer_mod_anticipate_nsPaolo Bonzini2-0/+55
These let a user anticipate the deadline of a timer, atomically with other sites that call the function. This helps avoiding complicated lock hierarchies. Reviewed-by: Alex Bligh <alex@alex.org.uk> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-10-17timer: extract timer_mod_ns_locked and timerlist_rearmPaolo Bonzini1-19/+32
These will be reused in timer_mod_anticipate functions. Reviewed-by: Alex Bligh <alex@alex.org.uk> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-10-17timer: make qemu_clock_enable sync between disable and timer's cbLiu Ping Fan2-1/+28
After disabling the QemuClock, we should make sure that no QemuTimers are still in flight. To implement that with light overhead, we resort to QemuEvent. The caller of disabling will wait on QemuEvent of each timerlist. Note, qemu_clock_enable(foo,false) can _not_ be called from timer's cb. Also, the callers of qemu_clock_enable() should be protected by the BQL. Signed-off-by: Liu Ping Fan <pingfank@linux.vnet.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-10-17qemu-thread: add QemuEventPaolo Bonzini5-0/+161
This emulates Win32 manual-reset events using futexes or conditional variables. Typical ways to use them are with multi-producer, single-consumer data structures, to test for a complex condition whose elements come from different threads: for (;;) { qemu_event_reset(ev); ... test complex condition ... if (condition is true) { break; } qemu_event_wait(ev); } Or more efficiently (but with some duplication): ... evaluate condition ... while (!condition) { qemu_event_reset(ev); ... evaluate condition ... if (!condition) { qemu_event_wait(ev); ... evaluate condition ... } } QemuEvent provides a very fast userspace path in the common case when no other thread is waiting, or the event is not changing state. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-10-17timer: protect timers_state's clock with seqlockLiu Ping Fan2-7/+44
QEMU_CLOCK_VIRTUAL may be read outside BQL. This will make its foundation, i.e. cpu_clock_offset exposed to race condition. Using private lock to protect it. After this patch, reading QEMU_CLOCK_VIRTUAL is thread safe unless use_icount is true, in which case the existing callers still rely on the BQL. Lock rule: private lock innermost, ie BQL->"this lock" Signed-off-by: Liu Ping Fan <pingfank@linux.vnet.ibm.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-10-17seqlock: introduce read-write seqlockPaolo Bonzini1-0/+72
Seqlock implementation for QEMU. Usage idiom reader: do { start = seqlock_read_begin(&sl); ... } while (seqlock_read_retry(&sl, start)); writer: seqlock_write_lock(&sl); ... seqlock_write_unlock(&sl); initialization: seqlock_init(QemuSeqLock *sl, QemuMutex *mutex) mutex could be NULL if the caller will provide its own protection for concurrent write sides (typically using the BQL). Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-10-17vga: Mark relevant portio lists regions as coalesced MMIO flushingJan Kiszka2-4/+2
This allows to remove the explicit qemu_flush_coalesced_mmio_buffer calls. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-10-17cirrus: Mark vga io region as coalesced MMIO flushingJan Kiszka1-2/+1
This allows to remove the explicit qemu_flush_coalesced_mmio_buffer calls - the memory core will invoke them now. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-10-17portio: Allow to mark portio lists as coalesced MMIO flushingJan Kiszka2-0/+11
This will enable us to remove all remaining explicit calls of qemu_flush_coalesced_mmio_buffer in IO handlers. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-10-17compatfd: switch to QemuThreadJan Kiszka1-13/+3
qemu_thread_create already does signal blocking and detaching for us. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-10-17memory: fix 128 arithmetic in info mtreeAlexey Kardashevskiy1-1/+3
mtree_print_mr() calls int128_get64() in 3 places but only 2 places handle 2^64 correctly. This fixes the third call of int128_get64(). Cc: qemu-stable@nongnu.org Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-10-17block/raw-win32: Always use -errno in hdev_openMax Reitz1-3/+2
On one occasion, hdev_open() returned -1 in case of an unknown error instead of a proper -errno value. Adjust this to match the behavior of raw_open() (in raw-win32), which is to return -EINVAL in this case. Also, change the call to error_setg*() to match the one in raw_open() as well. Signed-off-by: Max Reitz <mreitz@redhat.com> Reviewed-by: Eric Blake <eblake@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-10-17spice: fix multihead supportGerd Hoffmann5-13/+46
This patch fixes spice display initialization to handle multihead properly. spice-core now keeps track of which QemuConsole has a spice display channel attached to it and which has not. It also manages display channel ids. spice-display looks at all QemuConsoles and will pick up any graphic console not yet bound to a spice channel (which in practice are all non-qxl graphic devices). Result is that (a) you'll get a spice client window for each graphical device now (first only without this patch), and (b) mixing qxl and non-qxl vga cards works properly. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2013-10-17spice-display: add display channel id to the debug messages.Gerd Hoffmann1-13/+14
And s/__FUNCTION__/__func__/ while being at it. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2013-10-17Fix VNC SASL authentication when using a QXL deviceChristophe Fergeau1-0/+1
ui/vnc.c:vnc_display_open() and spice-server/server/reds.c:do_spice_init() are both calling sasl_server_init(). If spice_server_set_sasl_appname() hasn't been called, spice-server will call it with "spice" as an appname, causing cyrus-sasl to try to use a /etc/sasl2/spice.conf config file rather than the /etc/sasl2/qemu.conf file that QEMU uses. When using -spice sasl on the command line, QEMU properly calls spice_server_set_sasl_appname() to set the SASL appname as "qemu", but when using a QXL device without using SPICE, spice_server_init() is called from qemu_spice_add_interface() without setting the appname to "qemu", which then causes the VNC code to try to use spice.conf instead of qemu.conf. Signed-off-by: Christophe Fergeau <cfergeau@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2013-10-17spice: replace use of deprecated APIMarc-André Lureau3-21/+20
hose API are deprecated since 0.11, and qemu depends on 0.12 already. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2013-10-17blockdev: fix cdrom read_only flagFam Zheng1-3/+4
Since 0ebd24e0, cdrom doesn't have read-only on by default, which will error out when using an read only image. Fix it by setting the default value when parsing opts. Reported-by: Edivaldo de Araujo Pereira <edivaldoapereira@yahoo.com.br> Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-10-17sd: Avoid access to NULL BlockDriverStateAndreas Färber1-1/+1
Commit 4f8a066b5fc254eeaabbbde56ba4f5b29cc68fdf (blockdev: Remove IF_* check for read-only blockdev_init) added a usage of bdrv_is_read_only() to sd_init(), which is called for versatilepb, versatileab and xilinx-zynq-a9 machines among others with NULL argument by default, causing the new qom-test to fail. Add a check to prevent this. Suggested-by: Kevin Wolf <kwolf@redhat.com> Signed-off-by: Andreas Färber <afaerber@suse.de> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-10-17hmp: drop bogus "[not inserted]"Mike Qiu1-2/+0
Commit 3e9fab690d59ac15956c3733fe0794ce1ae4c4af ("block: Add support for throttling burst max in QMP and the command line.") introduced bogus "[not inserted]" output, possibly due to a merge failure. Remove this artifact. Output of 'info block' scsi0-hd0: /images/f18-ppc64.qcow2 (qcow2) [not inserted] scsi0-cd2: [not inserted] Removable device: not locked, tray closed floppy0: [not inserted] Removable device: not locked, tray closed sd0: [not inserted] Removable device: not locked, tray closed There will be no additional lines between scsi0-hd0 and scsi0-cd2. At the same time, scsi0-hd0 already inserted, but still has '[not inserted]' flag. This line should be removed. This patch is to solve this. Signed-off-by: Mike Qiu <qiudayu@linux.vnet.ibm.com> Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2013-10-16ui/Makefile.objs: delete unnecessary cocoa.o dependencyPeter Maydell1-2/+0
Delete an unnecessary dependency for cocoa.o; we already have a general rule that tells Make that we can build a .o file from a .m source using an ObjC compiler, so this specific rule is unnecessary. Further, it is using the dubious construct "$(SRC_PATH)/$(obj)" to get at the source directory, which will break when $(obj) is redefined as part of the preparation for per-object library support. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Fam Zheng <famz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-10-16default-configs/: CONFIG_GDBSTUB_XML removedÁkos Kovács12-18/+1
Makefile.target: Build gdbstub-xml.o only when TARGET_XML_FILES is not empty. Signed-off-by: Ákos Kovács <akoskovacs@gmx.com> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-10-16Makefile.target: CONFIG_NO_* variables removedÁkos Kovács5-10/+6
CONFIG_NO_* variables replaced with the lnot logical function Signed-off-by: Ákos Kovács <akoskovacs@gmx.com> [PMM: fixed a few CONFIG_NO_* uses that were missed] Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-10-16rules.mak: New string testing functionsPeter Maydell1-0/+11
Add new string testing functions which return a y/n result: eq : are two strings equal (ignoring leading/trailing space)? ne : are two strings unequal? isempty : is a string empty? notempty : is a string non-empty? Based on an idea by Ákos Kovács <akoskovacs@gmx.com>. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-10-16rules.mak: New logical functions for handling y/n valuesPeter Maydell1-0/+17
Add new logical functions for handling y/n values like those we use in CONFIG_FOO variables: lnot : logical NOT land : logical AND lor : logical OR lxor : logical XOR leqv : logical equality, inverse of lxor lif : like Make's $(if) but with an eq-like test Based on an idea by Ákos Kovács <akoskovacs@gmx.com>. Signed-off-by: Peter Maydell <peter.maydell@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2013-10-15target-xtensa: add in_asm loggingMax Filippov1-0/+8
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
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