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Cc: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Dong Xu Wang <wdongxu@linux.vnet.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
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Cc: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Dong Xu Wang <wdongxu@linux.vnet.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
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Signed-off-by: Dong Xu Wang <wdongxu@linux.vnet.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
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Signed-off-by: Dong Xu Wang <wdongxu@linux.vnet.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
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Cc: Richard Henderson <rth@twiddle.net>
Cc: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Cc: Alexander Graf <agraf@suse.de>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Cc: Blue Swirl <blauwirbel@gmail.com>
Signed-off-by: Dong Xu Wang <wdongxu@linux.vnet.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
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Signed-off-by: Dong Xu Wang <wdongxu@linux.vnet.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
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Cc: Markus Armbruster <armbru@redhat.com>
Acked-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Dong Xu Wang <wdongxu@linux.vnet.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
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Signed-off-by: Dong Xu Wang <wdongxu@linux.vnet.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
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Cc: Riku Voipio <riku.voipio@iki.fi>
Signed-off-by: Dong Xu Wang <wdongxu@linux.vnet.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
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Signed-off-by: Dong Xu Wang <wdongxu@linux.vnet.ibm.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
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This was spotted by cppcheck.
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
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Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
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Just for cleanliness; it would take a truly gigantic cursor to break.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
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Reviewed-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Hervé Poussineau <hpoussin@reactos.org>
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
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Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Generally $(BUILD_DIR) == $(CURDIR), but that isn't necessarilly the
case, so use $(BUILD_DIR)/qapi-generated for generated files to
avoid potentionally sticking generating files in odd places outside
the build's include paths.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Fix a bug in handling dotted paths, and exclude directory prefixes
from generated guardnames to avoid odd/pseudo-random guardnames in
generated headers.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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ATR size exceeding the limit is diagnosed, but then we merrily use it
anyway, overrunning card->atr[].
The message is read from a character device. Obvious security
implications unless the other end of the character device is trusted.
Spotted by Coverity. CVE-2011-4111.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This reverts commit be85c90b74f56dca51782fa3080fcdf88593e045.
This patch is incorrect and breaks the build with a freshly cloned git tree.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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--*dir) option pattern precede --{en,dis}able-usb-redir) patterns in the
option analysis switch, making the latter options have no effect.
There were some --*dir that are supported by Autoconf and not by QEMU configure.
The aim was to let QEMU packagers use the rpm (or similar) macro that overrides
directories for their distribution.
Replace --*dir with exact option names.
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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strtosz() & friends require the size to be at the end of the string,
or be followed by whitespace or ','. I find this surprising, because
the name suggests it works like strtol().
The check simplifies callers that accept exactly that follow set
slightly. No such callers exist.
The check is redundant for callers that accept a smaller follow set,
and thus need to check themselves anyway. Right now, this is the case
for all but one caller. All of them neglected to check, or checked
incorrectly, but the previous few commits fixed them up.
Finally, the check is problematic for callers that accept a larger
follow set. This is the case in monitor_parse_command().
Fortunately, the problems there are relatively harmless.
monitor_parse_command() uses strtosz() for argument type 'o'. When
the last argument is of type 'o', a trailing ',' is diagnosed
differently than other trailing junk:
(qemu) migrate_set_speed 1x
invalid size
(qemu) migrate_set_speed 1,
migrate_set_speed: extraneous characters at the end of line
A related inconsistency exists with non-last arguments. No such
command exists, but let's use memsave to explore the inconsistency.
The monitor permits, but does not require whitespace between
arguments. For instance, "memsave (1-1)1024foo" is parsed as command
memsave with three arguments 0, 1024 and "foo". Yes, this is daft,
but at least it's consistently daft.
If I change memsave's second argument from 'i' to 'o', then "memsave
(1-1)1foo" is rejected, because the size is followed by an 'f'. But
"memsave (1-1)1," is still accepted, and duly saves to file ",".
We don't have any users of strtosz that profit from the check. In the
users we have, it appears to encourage sloppy error checking, or gets
in the way. Drop the bothersome check.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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strtosz_suffix() fails unless the size is followed by 0, whitespace or
','. Useless here, because we need to fail for any junk following the
size, even if it starts with whitespace or ','. Check manually.
Things like "qemu-img create xxx 1024," and "qemu-img convert -S '1024
junk'" are now caught.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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cpu_x86_find_by_name() uses strtosz_suffix_unit(), but screws up the
error checking. It detects some failures, but not all. Undetected
failures result in a zero tsc_khz value (error value -1 divided by
1000), which means "no tsc_freq set".
To reproduce, try "-cpu qemu64,tsc_freq=9999999T".
strtosz_suffix_unit() fails, because the value overflows int64_t,
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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strtosz_suffix() fails unless the size is followed by 0, whitespace or
','. Useless here, because we need to fail for any junk following the
size, even if it starts with whitespace or ','. Check manually.
Things like "-m 1024," are now caught.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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strtosz_suffix() fails unless the size is followed by 0, whitespace or
','. Useless here, because we need to fail for any junk following the
size, even if it starts with whitespace or ','. Check manually.
Things like
-smp 4 -numa "node,mem=1024,cpus=0-1" -numa "node,mem=1024 cpus=2-3"
are now caught. Before, the second -numa's argument was silently
interpreted as just "node,mem=1024".
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Commit 9f9b17a4's strtosz() defaults a missing suffix to 'M', except
it rejects fractions then (switch case 0).
When commit d8427002 introduced strtosz_suffix(), that changed:
fractions are no longer rejected, because we go to switch case 'M' on
missing suffix now. Not mentioned in commit message, probably
unintentional. Not worth changing back now.
Because case 0 is still around, you can get the old behavior by
passing a zero default_suffix to strtosz_suffix() or
strtosz_suffix_unit(). Undocumented and not used. Drop.
Commit d8427002 also neglected to update the function comment. Fix it
up.
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Some toolchains don't support pie properly when tls variables are
in use. Disallow pie when such toolchains are detected.
Signed-off-by: Avi Kivity <avi@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Since we handle close async in a bh, do_write and thus write can get
called after receiving a close event. This patch adds a check to
the usb-redir write callback to not call qemu_chr_fe_write on a closed
backend.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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These fixes mainly target the other side sending some (error status)
packets after a disconnect packet. In some cases these would get queued
up and then reported to the controller when a new device gets connected.
* Fully reset device state on disconnect
* Don't allow a connect message when already connected
* Ignore iso and interrupt status messages when disconnected
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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To let the chardev now we're ready start receiving data. This is necessary
with the spicevmc chardev to get it registered with the spice-server.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Define a state callback and make that generate chardev open/close events when
called by the spice-server.
Notes:
1) For all but the newest spice-server versions (which have a fix for this)
the code ignores these events for a spicevmc with a subtype of vdagent, this
subtype specific knowledge is undesirable, but unavoidable for now, see:
http://lists.freedesktop.org/archives/spice-devel/2011-July/004837.html
2) This code deliberately sends the events immediately rather then from a
bh. This is done this way because:
a) There is no need to do it from a bh; and
b) Doing it from a bh actually causes issues because the spice-server may send
data immediately after the open and when the open runs from a bh, then
qemu_chr_be_can_write will return 0 for the first write which the spice-server
does not expect, when this happens the spice-server will never retry the write
causing communication to stall.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Rename qemu_chr_event to qemu_chr_be_event, since it is only to be
called by backends and make it public so that it can be used by chardev
code which lives outside of qemu-char.c
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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I guess we can also make sure we don't call local_ioc_getversion at
all.
Reported-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This is standard for other tcg targets and improves tci, too.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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According to Intel's Open Source Software Developer Manual,
the dump counters address must be Dword aligned.
The new code enforces this alignment, so s->statsaddr may now
be used with stw_le_pci_dma() and stl_le_pci_dma().
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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vdev->guest_features is not masking features that are not supported by
the guest. Fix this by introducing a common wrapper to be used by all
virtio bus implementations.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Small requirements on "new" features have percolated to virtio-9p-local.c.
In particular, the utimensat wrapper actually only supports dirfd = AT_FDCWD
and flags = AT_SYMLINK_NOFOLLOW in the fallback code. Remove the arguments
so that virtio-9p-local.c will not use AT_* constants.
At the same time, fail local_ioc_getversion if the ioctl is not supported
by the host.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This reverts commit 66e3dd9282141b5ae75637c9676002cf3ceeb988.
From Avi,
"Anthony, I think we should revert that commit and refactor cpuid for
1.1. The logic is spread over too many places which makes it hard to
reason about."
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This should have be part of my TCI patch series.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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We should only claim that something is a cast if we did not encouter a
token before, that did set av_pending.
This fixes the operator * in the line below to be detected as binary (vs
unary).
kmalloc(sizeof(struct alphatrack_ocmd) * true_size, GFP_KERNEL);
Reported-by: Peter Chubb <nicta.com.au>
Signed-off-by: Florian Mickler <florian@mickler.org>
(cherry-picked from Linux kernel commit c023e4734c3e8801e0ecb5e81b831d42a374d861)
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Cc: Blue Swirl <blauwirbel@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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- ITLB/DTLB ways 5 and 6 have 4 and 8 entries respectively;
- ITLB/DTLB way 6 attr field is set to 3 on reset.
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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Add a special function to reset the host usb device. It tracks the time
needed by the USBDEVFS_RESET ioctl and prints a warning in case it needs
too long. Usually it should be finished in 200 - 300 miliseconds.
Warning threshold is one second.
Intention is to help troubleshooting by indicating that the usb device
stopped responding even to a reset request and is possibly broken.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
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The block map is allocated in vdi_open, but was never freed.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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vvfat caches more or less everything when in writable mode. For migration
to work, it would have to be invalidated. Block migration for now when
in writable mode (default is readonly).
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
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