Peter Maydell [Thu, 13 Aug 2015 11:04:24 +0000 (12:04 +0100)]
Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20150813' into staging
target-arm queue:
* i.MX code cleanup/refactorings
* i.MX UART fix to work with uninitialized chardev
* minor GIC code refactorings
* implement the ARM Secure physical timer
* implement the ARM Hypervisor timer
# gpg: Signature made Thu 13 Aug 2015 11:40:56 BST using RSA key ID 14360CDE
# gpg: Good signature from "Peter Maydell <[email protected]>"
* remotes/pmaydell/tags/pull-target-arm-20150813: (27 commits)
i.MX: Fix UART driver to work with unitialized "chardev" device
hw/cpu/a15mpcore: Wire up hyp and secure physical timer interrupts
hw/arm/virt: Wire up secure timer interrupt
target-arm: Add AArch32 banked register access to secure physical timer
target-arm: Add the AArch64 view of the Secure physical timer
target-arm: Add debug check for mismatched cpreg resets
Introduce gic_class_name() instead of repeating condition
hw/arm/gic: Kill code duplication
Merge memory_region_init_reservation() into memory_region_init_io()
i.MX: Fix Coding style for GPT emulator
i.MX: Split GPT emulator in a header file and a source file
i.MX: Fix Coding style for EPIT emulator
i.MX: Split EPIT emulator in a header file and a source file
i.MX: Fix Coding style for CCM emulator
i.MX: Split CCM emulator in a header file and a source file
i.MX: Fix Coding style for AVIC emulator.
i.MX: Split AVIC emulator in a header file and a source file
i.MX:Fix Coding style for UART emulator.
i.MX: Move serial initialization to init/realize of DeviceClass.
i.MX: Split UART emulator in a header file and a source file
...
Peter Maydell [Thu, 13 Aug 2015 10:26:22 +0000 (11:26 +0100)]
hw/arm/virt: Wire up secure timer interrupt
Wire up the secure timer interrupt. Since we've defined
that the plain old physical timer is the NS timer, we can
drop the now-out-of-date comment about QEMU not having TZ.
Use a data-driven loop to wire up the timer interrupts, since
we now have four of them and the code is the same for each.
Peter Maydell [Thu, 13 Aug 2015 10:26:22 +0000 (11:26 +0100)]
target-arm: Add AArch32 banked register access to secure physical timer
If EL3 is AArch32, then the secure physical timer is accessed via
banking of the registers used for the non-secure physical timer.
Implement this banking.
Note that the access controls for the AArch32 banked registers
remain the same as the physical-timer checks; they are not the
same as the controls on the AArch64 secure timer registers.
Peter Maydell [Thu, 13 Aug 2015 10:26:22 +0000 (11:26 +0100)]
target-arm: Add the AArch64 view of the Secure physical timer
On CPUs with EL3, there are two physical timers, one for Secure and one
for Non-secure. Implement this extra timer and the AArch64 registers
which access it.
Peter Maydell [Thu, 13 Aug 2015 10:26:21 +0000 (11:26 +0100)]
target-arm: Add debug check for mismatched cpreg resets
It's easy to accidentally define two cpregs which both try
to reset the same underlying state field (for instance a
clash between an AArch64 EL3 definition and an AArch32
banked register definition). if the two definitions disagree
about the reset value then the result is dependent on which
one happened to be reached last in the hashtable enumeration.
Add a consistency check to detect and assert in these cases:
after reset, we run a second pass where we check that the
reset operation doesn't change the value of the register.
Rename gt_cnt_reset to gt_timer_reset as the function really
resets the timers and not the counters. Move the registration
from counter regs to timer regs.
Peter Maydell [Wed, 5 Aug 2015 15:02:00 +0000 (16:02 +0100)]
Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
virtio fix for 2.4
Fixes migration in virtio 1 mode.
We still have a known bug with memory hotplug, it doesn't
look like we can fix that in time for 2.4.
Signed-off-by: Michael S. Tsirkin <[email protected]>
# gpg: Signature made Wed 05 Aug 2015 15:57:39 BST using RSA key ID D28D5469
# gpg: Good signature from "Michael S. Tsirkin <[email protected]>"
# gpg: aka "Michael S. Tsirkin <[email protected]>"
Sascha Silbe [Tue, 4 Aug 2015 14:48:25 +0000 (16:48 +0200)]
block: don't register quorum driver if SHA256 support is unavailable
Commit 488981a4 [block: convert quorum blockdrv to use crypto APIs]
broke qemu-iotest 041 on hosts with GnuTLS < 2.10.0. It converted a
compile-time check to a run-time check at device open time. The result
is that we now advertise a feature (the quorum block driver) that will
never work (on those hosts). There's no way (short of parsing
human-readable error messages) for qemu-iotests or any other API
consumer to recognise that the quorum block driver isn't _actually_
available and shouldn't be used or tested.
Move the run-time check to bdrv_quorum_init() to avoid registering the
quorum block driver if we know it cannot work. This way API consumers
can recognise it's unavailable.
Jason Wang [Wed, 5 Aug 2015 09:50:07 +0000 (17:50 +0800)]
virtio: fix 1.0 virtqueue migration
1.0 does not requires physically-contiguous pages layout for a
virtqueue. So we could not infer avail and used from desc. This means
we need to migrate vring.avail and vring.used when host support virtio
1.0. This fixes malfunction of virtio 1.0 device after migration.
Peter Maydell [Tue, 4 Aug 2015 15:51:24 +0000 (16:51 +0100)]
Merge remote-tracking branch 'remotes/ehabkost/tags/x86-pull-request' into staging
X86 queue, 2015-08-04
# gpg: Signature made Tue 04 Aug 2015 16:49:42 BST using RSA key ID 984DC5A6
# gpg: Good signature from "Eduardo Habkost <[email protected]>"
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg: It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 5A32 2FD5 ABC4 D3DB ACCF D1AA 2807 936F 984D C5A6
* remotes/ehabkost/tags/x86-pull-request:
target-i386: fix IvyBridge xlevel in PC_COMPAT_2_3
Peter Maydell [Tue, 4 Aug 2015 11:57:06 +0000 (12:57 +0100)]
Merge remote-tracking branch 'remotes/lalrae/tags/mips-20150804' into staging
MIPS patches 2015-08-04
Changes:
* fix semihosting for microMIPS R6
* fix an abort when booting mips64 kernel with --enable-tcg-debug
# gpg: Signature made Tue 04 Aug 2015 12:32:17 BST using RSA key ID 0B29DA6B
# gpg: Good signature from "Leon Alrae <[email protected]>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 8DD3 2F98 5495 9D66 35D4 4FC0 5211 8E3C 0B29 DA6B
* remotes/lalrae/tags/mips-20150804:
target-mips: Copy restrictions from ext/ins to dext/dins
target-mips: fix semihosting for microMIPS R6
target-mips: Copy restrictions from ext/ins to dext/dins
The checks in dins is required to avoid triggering an assertion
in tcg_gen_deposit_tl. The check in dext is just for completeness.
Fold the other D cases in via fallthru.
In this case the errant dins appears to be data, not code, as
translation failed to stop after a break insn.
Leon Alrae [Mon, 3 Aug 2015 12:01:19 +0000 (13:01 +0100)]
target-mips: fix semihosting for microMIPS R6
In semihosting mode the SDBBP 1 instructions should trigger UHI syscall,
but in QEMU this does not happen for recently added microMIPS R6.
Consequently bare metal microMIPS R6 programs supporting UHI will not run.
Anthony PERARD [Mon, 3 Aug 2015 14:29:21 +0000 (15:29 +0100)]
migration: Fix regression for xenfv and pc,accel=xen machine.
This fix migration from the same QEMU version and from previous QEMU
version.
>From the global state section, we don't need runstate with Xen. Right now,
the way the Xen toolstack knows when QEMU is ready is when QEMU reach
"running" runstate.
The configuration section and the section footers are not going to be
present in previous version of QEMU with xenfv machine, so we skip them.
The Xen toolstack libxenlight does not specify a particular version of the
'pc' machine, so migration from older version of QEMU used by Xen to newer
one would break due to missing "configuration" section and section footers.
Anthony PERARD [Mon, 3 Aug 2015 14:29:19 +0000 (15:29 +0100)]
migration: Fix global state with Xen.
When doing migration via the QMP command xen_save_devices_state, the
current runstate is not store into the global state section. Also the
current runstate is not the one we want on the receiver side.
During migration, the Xen toolstack paused QEMU before save the devices
state. Also, the toolstack expect QEMU to autostart when the migration is
finished.
So this patch store "running" as it's current runstate.
Fix release_drive on unplugged devices (pci_piix3_xen_ide_unplug)
pci_piix3_xen_ide_unplug should completely unhook the unplugged
IDEDevice from the corresponding BlockBackend, otherwise the next call
to release_drive will try to detach the drive again.
Peter Maydell [Mon, 3 Aug 2015 12:09:10 +0000 (13:09 +0100)]
Merge remote-tracking branch 'remotes/stefanha/tags/rtl8139-cplus-tx-input-validation-pull-request' into staging
Pull request
# gpg: Signature made Mon Aug 3 13:08:25 2015 BST using RSA key ID 81AB73C8
# gpg: Good signature from "Stefan Hajnoczi <[email protected]>"
# gpg: aka "Stefan Hajnoczi <[email protected]>"
* remotes/stefanha/tags/rtl8139-cplus-tx-input-validation-pull-request:
rtl8139: check TCP Data Offset field (CVE-2015-5165)
rtl8139: skip offload on short TCP header (CVE-2015-5165)
rtl8139: check IP Total Length field (CVE-2015-5165)
rtl8139: check IP Header Length field (CVE-2015-5165)
rtl8139: skip offload on short Ethernet/IP header (CVE-2015-5165)
rtl8139: drop tautologous if (ip) {...} statement (CVE-2015-5165)
rtl8139: avoid nested ifs in IP header parsing (CVE-2015-5165)
Stefan Hajnoczi [Wed, 15 Jul 2015 16:17:28 +0000 (17:17 +0100)]
rtl8139: drop tautologous if (ip) {...} statement (CVE-2015-5165)
The previous patch stopped using the ip pointer as an indicator that the
IP header is present. When we reach the if (ip) {...} statement we know
ip is always non-NULL.
Stefan Hajnoczi [Wed, 15 Jul 2015 16:13:32 +0000 (17:13 +0100)]
rtl8139: avoid nested ifs in IP header parsing (CVE-2015-5165)
Transmit offload needs to parse packet headers. If header fields have
unexpected values the offload processing is skipped.
The code currently uses nested ifs because there is relatively little
input validation. The next patches will add missing input validation
and a goto label is more appropriate to avoid deep if statement nesting.
Peter Maydell [Mon, 3 Aug 2015 10:44:07 +0000 (11:44 +0100)]
Merge remote-tracking branch 'remotes/aurel/tags/pull-tcg-mips-s390-20150803' into staging
TCG MIPS and S390 fixes for 2.4.
# gpg: Signature made Mon Aug 3 09:09:59 2015 BST using RSA key ID 1DDD8C9B
# gpg: Good signature from "Aurelien Jarno <[email protected]>"
# gpg: aka "Aurelien Jarno <[email protected]>"
# gpg: aka "Aurelien Jarno <[email protected]>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 7746 2642 A9EF 94FD 0F77 196D BA9C 7806 1DDD 8C9B
* remotes/aurel/tags/pull-tcg-mips-s390-20150803:
tcg/mips: fix add2
tcg/s390x: Mask TCGMemOp appropriately for indexing
tcg/mips: Mask TCGMemOp appropriately for indexing
tcg/mips: fix TLB loading for BE host with 32-bit guests
Peter Maydell [Mon, 3 Aug 2015 09:44:23 +0000 (10:44 +0100)]
Merge remote-tracking branch 'remotes/jnsnow/tags/ide-pull-request' into staging
# gpg: Signature made Fri Jul 31 23:24:06 2015 BST using RSA key ID AAFC390E
# gpg: Good signature from "John Snow (John Huston) <[email protected]>"
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg: It is not certain that the signature belongs to the owner.
# Primary key fingerprint: FAEB 9711 A12C F475 812F 18F2 88A9 064D 1835 61EB
# Subkey fingerprint: F9B7 ABDB BCAC DF95 BE76 CBD0 7DEF 8106 AAFC 390E
* remotes/jnsnow/tags/ide-pull-request:
ahci: fix ICC mask definition
macio: re-add TRIM support
The add2 code in the tcg_out_addsub2 function doesn't take into account
the case where rl == al == bl. In that case we can't compute the carry
after the addition. As it corresponds to a multiplication by 2, the
carry bit is the bit 31.
While this is a corner case, this prevents x86-64 guests to boot on a
MIPS host.
tcg/mips: fix TLB loading for BE host with 32-bit guests
For 32-bit guest, we load a 32-bit address from the TLB, so there is no
need to compensate for the low or high part. This fixes 32-bit guests on
big-endian hosts.
Commit bd4214fc dropped TRIM support by mistake. Given it is still
advertised to the host when using a drive with discard=on, this cause
the IDE bus to hang when the host issues a TRIM command.
This patch fixes that by re-adding the TRIM code, ported to the new
new DMA implementation.
Peter Maydell [Wed, 29 Jul 2015 16:08:38 +0000 (17:08 +0100)]
Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into staging
Pull request
These fixes make dataplane work again after the notify_me optimization was
added. They also solve QEMUBH memory leaks and fix a bug in dataplane's
cleanup code.
# gpg: Signature made Wed Jul 29 14:50:26 2015 BST using RSA key ID 81AB73C8
# gpg: Good signature from "Stefan Hajnoczi <[email protected]>"
# gpg: aka "Stefan Hajnoczi <[email protected]>"
* remotes/stefanha/tags/block-pull-request:
AioContext: force event loop iteration using BH
AioContext: avoid leaking BHs on cleanup
virtio-blk-dataplane: delete bottom half before the AioContext is freed
Stefan Hajnoczi [Tue, 28 Jul 2015 16:34:09 +0000 (18:34 +0200)]
AioContext: force event loop iteration using BH
The notify_me optimization introduced in commit eabc97797310
("AioContext: fix broken ctx->dispatching optimization") skips
event_notifier_set() calls when the event loop thread is not blocked in
ppoll(2).
This optimization causes a deadlock if two aio_context_acquire() calls
race. notify_me = 0 during the race so the winning thread can enter
ppoll(2) unaware that the other thread is waiting its turn to acquire
the AioContext.
This patch forces ppoll(2) to return by scheduling a BH instead of
calling aio_notify().
The following deadlock with virtio-blk dataplane is fixed:
Peter Maydell [Tue, 28 Jul 2015 16:09:56 +0000 (17:09 +0100)]
Merge remote-tracking branch 'remotes/mst/tags/for_upstream' into staging
virtio fixes for 2.4
Mostly virtio 1 spec compliance fixes.
We are unlikely to make it perfectly compliant in
the first release, but it seems worth it to try.
Signed-off-by: Michael S. Tsirkin <[email protected]>
# gpg: Signature made Mon Jul 27 21:55:48 2015 BST using RSA key ID D28D5469
# gpg: Good signature from "Michael S. Tsirkin <[email protected]>"
# gpg: aka "Michael S. Tsirkin <[email protected]>"
* remotes/mst/tags/for_upstream:
virtio: minor cleanup
acpi: fix pvpanic device is not shown in ui
virtio-blk: only clear VIRTIO_F_ANY_LAYOUT for legacy device
virtio-blk: fail get_features when both scsi and 1.0 were set
virtio: get_features() can fail
virtio-pci: fix memory MR cleanup for modern
virtio: set any_layout in virtio core
virtio-9p: fix any_layout
virtio-serial: fix ANY_LAYOUT
virtio: hide legacy features from modern guests
Peter Maydell [Tue, 28 Jul 2015 14:25:24 +0000 (15:25 +0100)]
Merge remote-tracking branch 'remotes/lalrae/tags/mips-20150728' into staging
MIPS patches 2015-07-28
Changes:
* net/dp8393x fixes
* Vectored Interrupts bug fix
* fix for a bug in machine.c which was provoking a warning on FreeBSD
# gpg: Signature made Tue Jul 28 10:47:19 2015 BST using RSA key ID 0B29DA6B
# gpg: Good signature from "Leon Alrae <[email protected]>"
# gpg: WARNING: This key is not certified with a trusted signature!
# gpg: There is no indication that the signature belongs to the owner.
# Primary key fingerprint: 8DD3 2F98 5495 9D66 35D4 4FC0 5211 8E3C 0B29 DA6B
* remotes/lalrae/tags/mips-20150728:
net/dp8393x: do not use memory_region_init_rom_device with NULL
net/dp8393x: remove check of runt packets
net/dp8393x: disable user creation
target-mips: fix offset calculation for Interrupts
target-mips: fix passing incompatible pointer type in machine.c
# gpg: Signature made Tue Jul 28 08:29:07 2015 BST using RSA key ID 78C7AE83
# gpg: Good signature from "Paolo Bonzini <[email protected]>"
# gpg: aka "Paolo Bonzini <[email protected]>"
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg: It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1
# Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83
* remotes/bonzini/tags/for-upstream:
memory: do not add a reference to the owner of aliased regions
megasas: Add write function to handle write access to PCI BAR 3
crypto: extend unit tests to cover decryption too
crypto: fix built-in AES decrypt function
Peter Maydell [Tue, 28 Jul 2015 12:22:57 +0000 (13:22 +0100)]
Merge remote-tracking branch 'remotes/cody/tags/jtc-for-upstream-pull-request' into staging
# gpg: Signature made Tue Jul 28 05:22:29 2015 BST using RSA key ID C0DE3057
# gpg: Good signature from "Jeffrey Cody <[email protected]>"
# gpg: aka "Jeffrey Cody <[email protected]>"
# gpg: aka "Jeffrey Cody <[email protected]>"
# gpg: WARNING: This key is not certified with sufficiently trusted signatures!
# gpg: It is not certain that the signature belongs to the owner.
# Primary key fingerprint: 9957 4B4D 3474 90E7 9D98 D624 BDBE 7B27 C0DE 3057
* remotes/cody/tags/jtc-for-upstream-pull-request:
block/ssh: Avoid segfault if inet_connect doesn't set errno.
sheepdog: serialize requests to overwrapping area
Let net_rx_packet() (which checks the same conditions) drops the packet
if the device is not ready. Drop net_xen_info.can_receive and update the
return value for the buffer full case.
We rely on the qemu_flush_queued_packets() in net_event() to wake up
the peer when the buffer becomes available again.
Peter Maydell [Tue, 28 Jul 2015 10:28:44 +0000 (11:28 +0100)]
Merge remote-tracking branch 'remotes/mjt/tags/pull-trivial-patches-2015-07-27' into staging
trivial patches for 2015-07-27
# gpg: Signature made Mon Jul 27 20:50:14 2015 BST using RSA key ID A4C3D7DB
# gpg: Good signature from "Michael Tokarev <[email protected]>"
# gpg: aka "Michael Tokarev <[email protected]>"
# gpg: aka "Michael Tokarev <[email protected]>"
* remotes/mjt/tags/pull-trivial-patches-2015-07-27:
gdbstub: Set current CPU on interruptions
qapi: add missing @
Fix Cortex-A9 global timer
gitignore: Ignore shader generated files
vmstate: remove unused declaration
make: Clean build messages
qemu-common.h: Document cutils.c string functions
device_tree: Fix a typo
hw/acpi/ich9: clean up stale comment about KVM not supporting SMM
hw/acpi/ich9: clear smi_en on reset
hw/net: handle flow control in mcf_fec driver receiver
The network mcf_fec driver emulated receive side method is not dealing
with network queue flow control properly.
Modify the receive side to check if we have enough space in the
descriptors to store the current packet. If not we process none of it
and return 0. When the guest frees up some buffers through its descriptors
we signal the qemu net layer to send more packets.
[Fixed coding style: 4-space indent and curly braces on if statement.
--Stefan]
net/dp8393x: do not use memory_region_init_rom_device with NULL
Replace memory_region_init_rom_device() with memory_region_init_ram() and
memory_region_set_readonly().
This fixes a guest-triggerable QEMU crash when guest tries to write to PROM.
Ethernet requires that messages are at least 64 bytes on the wire. This
limitation does not exist on emulation (no wire message), so remove the
check. Netcard is now able to receive small network packets.
Netcard needs an address space to write data to, which can't be specified
on command line.
This fixes a crash when user starts QEMU with "-device dp8393x"
It turns out this happens when inet_connect returns -1 in the
following code, but errno == 0.
s->sock = inet_connect(s->hostport, errp);
if (s->sock < 0) {
ret = -errno;
goto err;
}
In the test case above, no host called "xen" exists, so getaddrinfo fails.
On Fedora 22, getaddrinfo happens to set errno = ENOENT (although it
is *not* documented to do that), so it doesn't segfault.
On RHEL 7, errno is not set by the failing getaddrinfo, so ret =
-errno = 0, so the caller doesn't know there was an error and
continues with a half-initialized BDRVSSHState struct, and everything
goes south from there, eventually resulting in a segfault.
Fix this by setting ret to -EIO (same as block/nbd.c and
block/sheepdog.c). The real error is saved in the Error** errp
struct, so it is printed correctly:
$ ./qemu-img create -f qcow2 overlay -b ssh://xen/
qemu-img: overlay: address resolution failed for xen:22: No address associated with hostname
Signed-off-by: Richard W.M. Jones <[email protected]> Reported-by: Jun Li
BZ: https://bugzilla.redhat.com/show_bug.cgi?id=1147343 Signed-off-by: Jeff Cody <[email protected]>
Current sheepdog driver only serializes create requests in oid
unit. This mechanism isn't enough for handling requests to
overwrapping area spanning multiple oids, so it can result bugs like
below:
https://bugs.launchpad.net/sheepdog-project/+bug/1456421
This patch adds a new serialization mechanism for the problem. The
difference from the old one is:
1. serialize entire aiocb if their targetting areas overwrap
2. serialize all requests (read, write, and discard), not only creates
This patch also removes the old mechanism because the new one can be
an alternative.
Paolo Bonzini [Mon, 27 Jul 2015 14:29:56 +0000 (16:29 +0200)]
memory: do not add a reference to the owner of aliased regions
Very often the owner of the aliased region is the same as the owner of the alias
region itself. When this happens, the reference count can never go back to 0 and
the owner is leaked. This is for example breaking hot-unplug of virtio-pci
devices (the device cannot be plugged back again with the same id).
Another common use for alias is to transform the system I/O address space
into an MMIO regions; in this case the aliased region never dies, so there
is no problem. Otherwise the owner is always the same for aliasing
and aliased region.
I checked all calls to memory_region_init_alias introduced after commit dfde4e6 (memory: add ref/unref calls, 2013-05-06) and they do not need the
reference in order to keep the owner of the aliased region alive.
megasas: Add write function to handle write access to PCI BAR 3
This patch fixes a QEMU SEGFAULT when a write operation is performed on
the memory region of the PCI BAR 3 (base address space).
When a writeb(0xe0000000) is performed the .write function is invoked to
handle the write access, however, since the .write is not initialised,
the call to 0, causes QEMU to SEGFAULT.
Gal Hammer [Sun, 26 Jul 2015 08:00:51 +0000 (11:00 +0300)]
acpi: fix pvpanic device is not shown in ui
Commit 2332333c added a _STA method that hides the device. The fact
that the device is not shown in the gui make it harder to install its
Windows' device.
Jan Kiszka [Fri, 24 Jul 2015 16:52:31 +0000 (18:52 +0200)]
gdbstub: Set current CPU on interruptions
gdb expects that the thread ID for c and g-class operations is set to
the CPU we provide when reporting VM stop conditions. If the stub is
still tuned to a different CPU, the wrong information is delivered to
the gdb frontend.
Michal Privoznik [Tue, 23 Jun 2015 12:30:20 +0000 (14:30 +0200)]
gitignore: Ignore shader generated files
As of d98bc0b65 there are two files that are automatically generated:
ui/shader/texture-blit-frag.h and /ui/shader/texture-blit-vert.h. None
of them is wanted to be tracked by git. Put them into the ignore file
then.
Peter Maydell [Sun, 19 Jul 2015 20:34:22 +0000 (21:34 +0100)]
qemu-common.h: Document cutils.c string functions
Add documentation comments for various utility string functions
which we have implemented in util/cutils.c:
pstrcpy()
strpadcpy()
pstrcat()
strstart()
stristart()
qemu_strnlen()
qemu_strsep()
hw/acpi/ich9: clean up stale comment about KVM not supporting SMM
Commit fba72476c6 ("ich9: add smm_enabled field and arguments") detached
SMM availability from kvm_enabled(). However, the comment in pm_reset()
was not updated; let's do it now.
Peter Maydell [Mon, 27 Jul 2015 18:37:09 +0000 (19:37 +0100)]
Merge remote-tracking branch 'remotes/rth/tags/pull-tcg-20150727' into staging
Fix buglets for 2.4
# gpg: Signature made Mon Jul 27 15:26:48 2015 BST using RSA key ID 4DD0279B
# gpg: Good signature from "Richard Henderson <[email protected]>"
# gpg: aka "Richard Henderson <[email protected]>"
# gpg: aka "Richard Henderson <[email protected]>"
* remotes/rth/tags/pull-tcg-20150727:
tcg: mark temps as mem_coherent = 0 for mov with a constant
tcg: correctly mark dead inputs for mov with a constant
Paolo Bonzini [Fri, 24 Jul 2015 11:42:55 +0000 (13:42 +0200)]
main-loop: fix qemu_notify_event for aio_notify optimization
aio_notify can be optimized away, and in fact almost always will. However,
qemu_notify_event is used in places where this is incorrect---most notably,
when handling SIGTERM. When aio_notify is optimized away, it is possible that
QEMU enters a blocking ppoll immediately afterwards and stays there, without
reaching main_loop_should_exit().
Fix this by using a bottom half. The bottom half can be optimized too, but
scheduling it is enough for the ppoll not to block. The hang is thus avoided.
projects / qemu.git / log