Commit Graph

37932 Commits

Author SHA1 Message Date
Markus Armbruster
97a2ca7ae6 qemu-img: Fix convert, amend error messages for unknown options
Message quality regressed in commit dc523cd.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2015-03-16 17:07:25 +01:00
Markus Armbruster
0c304110bd iotests: Update 051's reference output
Commit c4bacaf improved error reporting, but neglected to update
051.out.  Commit 2726958 tried to redress, but didn't get it quite
right (punctuation difference), and shortly after commit
ae071cc..master improved error reporting some more, neglecting 051.out
some more.  Sorry!

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
2015-03-16 17:07:25 +01:00
Peter Maydell
dcf848c478 target-arm queue:
* fix handling of execute-never bits in page table walks
  * tell kernel to initialize KVM GIC in realize function
  * fix handling of STM (user) with r15 in register list
  * ignore low bit of PC in M-profile exception return
  * fix linux-user get/set_tls syscalls on CPUs with TZ
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Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20150316' into staging

target-arm queue:
 * fix handling of execute-never bits in page table walks
 * tell kernel to initialize KVM GIC in realize function
 * fix handling of STM (user) with r15 in register list
 * ignore low bit of PC in M-profile exception return
 * fix linux-user get/set_tls syscalls on CPUs with TZ

# gpg: Signature made Mon Mar 16 12:39:04 2015 GMT using RSA key ID 14360CDE
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>"

* remotes/pmaydell/tags/pull-target-arm-20150316:
  linux-user: Access correct register for get/set_tls syscalls on ARM TZ CPUs
  target-arm: Ignore low bit of PC in M-profile exception return
  target-arm: Fix handling of STM (user) with r15 in register list
  hw/intc/arm_gic: Initialize the vgic in the realize function
  target-arm: get_phys_addr_lpae: more xn control
  target-arm: fix get_phys_addr_v6/SCTLR_AFE access check
  target-arm: convert check_ap to ap_to_rw_prot

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-16 13:56:10 +00:00
Peter Maydell
307146cb93 Merge remote-tracking branch 'remotes/kvaneesh/for-upstream' into staging
* remotes/kvaneesh/for-upstream:
  virtio: Fix memory leaks reported by Coverity
  virtfs-proxy: Fix possible overflow
  fsdev/virtfs-proxy-helper: Fix improper use of negative value
  hw/9pfs/virtio-9p-posix-acl: Fix out-of-bounds access
  9pfs-proxy: tiny cleanups in proxy_pwritev and proxy_preadv
  9pfs-local: simplify/optimize local_mapped_attr_path()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-16 13:04:09 +00:00
Mikhail Ilyin
b8d43285a4 linux-user: Access correct register for get/set_tls syscalls on ARM TZ CPUs
When support was added for TrustZone to ARM CPU emulation, we failed
to correctly update the support for the linux-user implementation of
the get/set_tls syscalls. This meant that accesses to the TPIDRURO
register via the syscalls were always using the non-secure copy of
the register even if native MRC/MCR accesses were using the secure
register. This inconsistency caused most binaries to segfault on startup
if the CPU type was explicitly set to one of the TZ-enabled ones like
cortex-a15. (The default "any" CPU doesn't have TZ enabled and so is
not affected.)

Use access_secure_reg() to determine whether we should be using
the secure or the nonsecure copy of TPIDRURO when emulating these
syscalls.

Signed-off-by: Mikhail Ilyin <m.ilin@samsung.com>
Message-id: 1426505198-2411-1-git-send-email-m.ilin@samsung.com
[PMM: rewrote commit message to more clearly explain the issue
 and its consequences.]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-16 12:30:47 +00:00
Peter Maydell
fcf83ab103 target-arm: Ignore low bit of PC in M-profile exception return
For the ARM M-profile cores, exception return pops various registers
including the PC from the stack. The architecture defines that if the
lowest bit in the new PC value is set (ie the PC is not halfword
aligned) then behaviour is UNPREDICTABLE. In practice hardware
implementations seem to simply ignore the low bit, and some buggy
RTOSes incorrectly rely on this. QEMU's behaviour was architecturally
permitted, but bringing QEMU into line with the hardware behaviour
allows more guest code to run. We log the situation as a guest error.

This was reported as LP:1428657.

Reported-by: Anders Esbensen <anders@lyes.dk>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-16 12:30:47 +00:00
Peter Maydell
da3e53ddcb target-arm: Fix handling of STM (user) with r15 in register list
The A32 encoding of LDM distinguishes LDM (user) from LDM (exception
return) based on whether r15 is in the register list. However for
STM (user) there is no equivalent distinction. We were incorrectly
treating "r15 in list" as indicating exception return for both LDM
and STM, with the result that an STM (user) involving r15 went into
an infinite loop. Fix this; note that the value stored for r15
in this case is the current PC regardless of our current mode.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1426015125-5521-1-git-send-email-peter.maydell@linaro.org
2015-03-16 12:30:47 +00:00
Eric Auger
f0bb55890a hw/intc/arm_gic: Initialize the vgic in the realize function
This patch forces vgic initialization in the vgic realize function.
It uses a new group/attribute that allows such operation:
KVM_DEV_ARM_VGIC_GRP_CTRL/KVM_DEV_ARM_VGIC_CTRL_INIT

This earlier initialization allows, for example, to setup VFIO
signaling and irqfd after vgic initialization, on a reset notifier.

Signed-off-by: Eric Auger <eric.auger@linaro.org>
Message-id: 1426094226-8515-1-git-send-email-eric.auger@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-16 12:30:47 +00:00
Andrew Jones
d8e052b387 target-arm: get_phys_addr_lpae: more xn control
This patch makes the following changes to the determination of
whether an address is executable, when translating addresses
using LPAE.

1. No longer assumes that PL0 can't execute when it can't read.
   It can in AArch64, a difference from AArch32.
2. Use va_size == 64 to determine we're in AArch64, rather than
   arm_feature(env, ARM_FEATURE_V8), which is insufficient.
3. Add additional XN determinants
   - NS && is_secure && (SCR & SCR_SIF)
   - WXN && (prot & PAGE_WRITE)
   - AArch64: (prot_PL0 & PAGE_WRITE)
   - AArch32: UWXN && (prot_PL0 & PAGE_WRITE)
   - XN determination should also work in secure mode (untested)
   - XN may even work in EL2 (currently impossible to test)
4. Cleans up the bloated PAGE_EXEC condition - by removing it.

The helper get_S1prot is introduced. It may even work in EL2,
when support for that comes, but, as the function name implies,
it only works for stage 1 translations.

Signed-off-by: Andrew Jones <drjones@redhat.com>
Message-id: 1426099139-14463-4-git-send-email-drjones@redhat.com
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-16 12:30:46 +00:00
Andrew Jones
d76951b65d target-arm: fix get_phys_addr_v6/SCTLR_AFE access check
Introduce simple_ap_to_rw_prot(), which has the same behavior as
ap_to_rw_prot(), but takes the 2-bit simple AP[2:1] instead of
the 3-bit AP[2:0]. Use this in get_phys_addr_v6 when SCTLR_AFE
is set, as that bit indicates we should be using the simple AP
format.

It's unlikely this path is getting used. I don't see CR_AFE
getting used by Linux, so possibly not. If it had been, then
the check would have been wrong for all but AP[2:1] = 0b11.
Anyway, this should fix it up, in case it ever does get used.

Signed-off-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1426099139-14463-3-git-send-email-drjones@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-16 12:30:46 +00:00
Andrew Jones
0fbf523820 target-arm: convert check_ap to ap_to_rw_prot
Instead of mixing access permission checking with access permissions
to page protection flags translation, just do the translation, and
leave it to the caller to check the protection flags against the access
type. Also rename to ap_to_rw_prot to better describe the new behavior.

Signed-off-by: Andrew Jones <drjones@redhat.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1426099139-14463-2-git-send-email-drjones@redhat.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-16 12:30:46 +00:00
Peter Maydell
2dfe7d07e2 Final batch of s390x enhancements/fixes for 2.3:
- handle TOD clock during migration
 - CPACF key wrap options
 - limit amount of pci device code we build
 - ensure big endian accesses for ccws
 - various fixes and cleanups
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Merge remote-tracking branch 'remotes/cohuck/tags/s390x-20150316' into staging

Final batch of s390x enhancements/fixes for 2.3:
- handle TOD clock during migration
- CPACF key wrap options
- limit amount of pci device code we build
- ensure big endian accesses for ccws
- various fixes and cleanups

# gpg: Signature made Mon Mar 16 10:01:44 2015 GMT using RSA key ID C6F02FAF
# gpg: Good signature from "Cornelia Huck <huckc@linux.vnet.ibm.com>"
# gpg:                 aka "Cornelia Huck <cornelia.huck@de.ibm.com>"

* remotes/cohuck/tags/s390x-20150316:
  s390x/config: Do not include full pci.mak
  s390x/pci: fix length in sei_nt2 event
  s390x/ipl: remove dead code
  s390x/virtio-bus: Remove unused function s390_virtio_bus_console()
  s390x: CPACF: Handle key wrap machine options
  s390x/kvm: make use of generic vm attribute check
  kvm: encapsulate HAS_DEVICE for vm attrs
  virtio-ccw: assure BE accesses
  s390x/kvm: Guest Migration TOD clock synchronization
  s390x: Replace unchecked qdev_init() by qdev_init_nofail()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-16 11:44:55 +00:00
Peter Maydell
f421f05754 seabios: update to 1.8.1 stable release
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Merge remote-tracking branch 'remotes/kraxel/tags/pull-seabios-1.8.1-20150316-1' into staging

seabios: update to 1.8.1 stable release

# gpg: Signature made Mon Mar 16 08:09:25 2015 GMT using RSA key ID D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"

* remotes/kraxel/tags/pull-seabios-1.8.1-20150316-1:
  seabios: update to 1.8.1 stable release

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-16 10:58:11 +00:00
Peter Maydell
a8f1b43cb0 Pool TCG data, and ALWAYS/NEVER fix
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Merge remote-tracking branch 'remotes/rth/tags/tcg-pull-20150313' into staging

Pool TCG data, and ALWAYS/NEVER fix

# gpg: Signature made Fri Mar 13 20:09:09 2015 GMT using RSA key ID 4DD0279B
# gpg: Good signature from "Richard Henderson <rth7680@gmail.com>"
# gpg:                 aka "Richard Henderson <rth@redhat.com>"
# gpg:                 aka "Richard Henderson <rth@twiddle.net>"

* remotes/rth/tags/tcg-pull-20150313:
  tcg: Complete handling of ALWAYS and NEVER
  tcg: Use tcg_malloc to allocate TCGLabel
  tcg: Change generator-side labels to a pointer
  tcg: Change translator-side labels to a pointer
  tcg-ia64: Use tcg_malloc to allocate TCGLabelQemuLdst
  tcg: Use tcg_malloc to allocate TCGLabelQemuLdst

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-16 09:42:40 +00:00
Thomas Huth
be0b608a54 s390x/config: Do not include full pci.mak
pci.mak includes a lot of devices - and most of them do not make
sense on s390x, like USB controllers or audio cards. These devices
also show up when running "qemu-system-s390x -device help" and thus
could raise the hope for the users that they could use these kind
of devices with qemu-system-s390x. To avoid this confusion, we
should not include pci.mak and rather include the bare minimum
manually instead.

Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Acked-by: Frank Blaschka <blaschka@linux.vnet.ibm.com>
Message-Id: <1426169954-6062-1-git-send-email-thuth@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2015-03-16 10:20:17 +01:00
Frank Blaschka
d3321fc755 s390x/pci: fix length in sei_nt2 event
The sei_nt2 event must contain the length of the event.

Signed-off-by: Frank Blaschka <blaschka@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Message-Id: <1426164834-38648-7-git-send-email-jfrei@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2015-03-16 10:20:17 +01:00
Dominik Dingel
7b527b86eb s390x/ipl: remove dead code
load_image_targphys already checks the max size and will return
an error code. So the follow-on check will never trigger.

Signed-off-by: Dominik Dingel <dingel@linux.vnet.ibm.com>
Reviewed-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Reviewed-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Message-Id: <1426164834-38648-6-git-send-email-jfrei@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2015-03-16 10:20:17 +01:00
Thomas Huth
eaec461ccc s390x/virtio-bus: Remove unused function s390_virtio_bus_console()
The function s390_virtio_bus_console() is completely unused and thus
can be removed safely.

Signed-off-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Reviewed-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Message-Id: <1426164834-38648-5-git-send-email-jfrei@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2015-03-16 10:20:17 +01:00
Tony Krowiak
2eb1cd0768 s390x: CPACF: Handle key wrap machine options
Check for the aes_key_wrap and dea_key_wrap machine options and set the
appropriate KVM device attribute(s) to tell the kernel to enable or disable
the AES/DEA protected key functions for the guest domain.

This patch introduces two new machine options for indicating the state of
AES/DEA key wrapping functions.  This controls whether the guest will
have access to the AES/DEA crypto functions.

aes_key_wrap="on | off" is changed to aes-key-wrap="on | off"
dea_key_wrap="on | off" is changed to dea-key-wrap="on | off"

Check for the aes-key-wrap and dea-key-wrap machine options and set the
appropriate KVM device attribute(s) to tell the kernel to enable or disable
the AES/DEA protected key functions for the guest domain.

Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Tony Krowiak <akrowiak@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Message-Id: <1426164834-38648-4-git-send-email-jfrei@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2015-03-16 10:20:11 +01:00
Dominik Dingel
2b147555f7 s390x/kvm: make use of generic vm attribute check
By using the new introduced generic interface we
can remove redundancies and clean up.

Reviewed-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Suggested-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Dominik Dingel <dingel@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Message-Id: <1426164834-38648-3-git-send-email-jfrei@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2015-03-16 10:15:45 +01:00
Dominik Dingel
d0a073a186 kvm: encapsulate HAS_DEVICE for vm attrs
More and more virtual machine specifics between kvm and qemu will be
transferred with vm attributes.
So we encapsulate the common logic in a generic function.

Additionally we need only to check during initialization if kvm supports
virtual machine attributes.

Cc: Paolo Bonzini <pbonzini@redhat.com>
Suggested-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Reviewed-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Signed-off-by: Dominik Dingel <dingel@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Message-Id: <1426164834-38648-2-git-send-email-jfrei@linux.vnet.ibm.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2015-03-16 10:15:45 +01:00
Cornelia Huck
7d45285fc9 virtio-ccw: assure BE accesses
All fields in structures transmitted by ccws are big endian; assure
we handle them as such.

Reviewed-by: Thomas Huth <thuth@linux.vnet.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Message-Id: <1426067871-17693-2-git-send-email-cornelia.huck@de.ibm.com>
2015-03-16 10:15:45 +01:00
Jason J. Herne
3f9e59bb53 s390x/kvm: Guest Migration TOD clock synchronization
Synchronizes the guest TOD clock across a migration by sending the guest TOD
clock value to the destination system. If the guest TOD clock is not preserved
across a migration then the guest's view of time will snap backwards if the
destination host clock is behind the source host clock. This will cause the
guest to hang immediately upon resuming on the destination system.

Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Jason J. Herne <jjherne@linux.vnet.ibm.com>
Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>

Message-Id: <1425912968-54387-1-git-send-email-jfrei@linux.vnet.ibm.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2015-03-16 10:15:44 +01:00
Markus Armbruster
ae4a2bd759 s390x: Replace unchecked qdev_init() by qdev_init_nofail()
s390_flic_init() is a helper to create and realize either
"s390-flic-kvm" or "s390-flic-qemu".  When qdev_init() fails, it
complains to stderr and succeeds.

Except it can't actually fail, because the "s390-flic-qemu" is a dummy
without a realize method, and "s390-flic-kvm"'s realize can't fail,
even when the kernel device is really unavailable.  Odd.

Replace qdev_init() by qdev_init_nofail() to make "can't fail" locally
obvious, and get rid of the unreachable error reporting.

Cc: Christian Borntraeger <borntraeger@de.ibm.com>
Cc: Cornelia Huck <cornelia.huck@de.ibm.com>
Cc: Alexander Graf <agraf@suse.de>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Message-Id: <1423128889-18260-4-git-send-email-armbru@redhat.com>
Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
2015-03-16 10:15:44 +01:00
Gerd Hoffmann
93f7c4f09f seabios: update to 1.8.1 stable release
Carries two bugfixes and support for multiple pci root buses.

git shortlog rel-1.8.0..rel-1.8.1
=================================

Ameya Palande (1):
      x86: add barrier to read{b,w,l} and write{b,w,l} functions

Kevin O'Connor (1):
      smp: Fix smp race introduced in 0673b787

Marcel Apfelbaum (2):
      fw/pci: scan all buses if extraroots romfile is present
      fw/pci: map memory and IO regions for multiple pci root buses

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2015-03-16 09:07:15 +01:00
Stefan Weil
4ed7b2c3a7 virtio: Fix memory leaks reported by Coverity
All four leaks are similar, so fix them in one patch.
Success path was not doing memory free.

Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
2015-03-16 13:32:24 +05:30
Shannon Zhao
25ee9a7fa3 virtfs-proxy: Fix possible overflow
It's detected by coverity. The socket name specified
should fit in the sockadd_un.sun_path. If not abort.

Signed-off-by: Shannon Zhao <zhaoshenglong@huawei.com>
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
2015-03-16 13:29:12 +05:30
Shannon Zhao
821c447675 fsdev/virtfs-proxy-helper: Fix improper use of negative value
It's detected by coverity. Check the return value of proxy_marshal.

Signed-off-by: Shannon Zhao <zhaoshenglong@huawei.com>
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
2015-03-16 11:50:07 +05:30
Richard Henderson
37ed3bf1ee tcg: Complete handling of ALWAYS and NEVER
Missing from movcond, and brcondi_i32 (but not brcondi_i64).

Signed-off-by: Richard Henderson <rth@twiddle.net>
2015-03-13 13:08:05 -07:00
Richard Henderson
51e3972c41 tcg: Use tcg_malloc to allocate TCGLabel
Pre-allocating 512 of them per TB is a waste.

Reviewed-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Signed-off-by: Richard Henderson <rth@twiddle.net>
2015-03-13 12:28:18 -07:00
Richard Henderson
bec1631100 tcg: Change generator-side labels to a pointer
This is less about improved type checking than enabling a
subsequent change to the representation of labels.

Acked-by: Claudio Fontana <claudio.fontana@huawei.com>
Tested-by: Claudio Fontana <claudio.fontana@huawei.com>
Cc: Andrzej Zaborowski <balrogg@gmail.com>
Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Cc: Blue Swirl <blauwirbel@gmail.com>
Cc: Stefan Weil <sw@weilnetz.de>
Reviewed-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Signed-off-by: Richard Henderson <rth@twiddle.net>
2015-03-13 12:28:18 -07:00
Richard Henderson
42a268c241 tcg: Change translator-side labels to a pointer
This is improved type checking for the translators -- it's no longer
possible to accidentally swap arguments to the branch functions.

Note that the code generating backends still manipulate labels as int.

With notable exceptions, the scope of the change is just a few lines
for each target, so it's not worth building extra machinery to do this
change in per-target increments.

Cc: Peter Maydell <peter.maydell@linaro.org>
Cc: Edgar E. Iglesias <edgar.iglesias@gmail.com>
Cc: Michael Walle <michael@walle.cc>
Cc: Leon Alrae <leon.alrae@imgtec.com>
Cc: Anthony Green <green@moxielogic.com>
Cc: Jia Liu <proljc@gmail.com>
Cc: Alexander Graf <agraf@suse.de>
Cc: Aurelien Jarno <aurelien@aurel32.net>
Cc: Blue Swirl <blauwirbel@gmail.com>
Cc: Guan Xuetao <gxt@mprc.pku.edu.cn>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Max Filippov <jcmvbkbc@gmail.com>
Reviewed-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Signed-off-by: Richard Henderson <rth@twiddle.net>
2015-03-13 12:28:18 -07:00
Richard Henderson
3f626793a2 tcg-ia64: Use tcg_malloc to allocate TCGLabelQemuLdst
Reviewed-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Signed-off-by: Richard Henderson <rth@twiddle.net>
2015-03-13 12:28:18 -07:00
Richard Henderson
686461c962 tcg: Use tcg_malloc to allocate TCGLabelQemuLdst
Pre-allocating 640 of them per TB is a waste.

Reviewed-by: Bastian Koppelmann <kbastian@mail.uni-paderborn.de>
Signed-off-by: Richard Henderson <rth@twiddle.net>
2015-03-13 12:28:18 -07:00
Tobias Nygren
7ccfb495c6 user-exec.c: fix build on NetBSD/sparc64 and NetBSD/arm
A couple of #ifdef changes necessary to use NetBSD's ucontext
structs on sparc64 and arm.

Signed-off-by: Tobias Nygren <tnn@NetBSD.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1425591461-17550-1-git-send-email-tnn@NetBSD.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-13 15:57:00 +00:00
Peter Maydell
dea4635998 misc ui patches, mostly sdl related.
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Merge remote-tracking branch 'remotes/kraxel/tags/pull-sdl-20150312-2' into staging

misc ui patches, mostly sdl related.

# gpg: Signature made Thu Mar 12 14:51:07 2015 GMT using RSA key ID D3E87138
# gpg: Good signature from "Gerd Hoffmann (work) <kraxel@redhat.com>"
# gpg:                 aka "Gerd Hoffmann <gerd@kraxel.org>"
# gpg:                 aka "Gerd Hoffmann (private) <kraxel@gmail.com>"

* remotes/kraxel/tags/pull-sdl-20150312-2:
  pixman: add a bunch of PIXMAN_BE_* defines for 32bpp
  Allow the use of X11 from a non standard location.
  configure: opengl overhaul
  sdl: Fix crash when calling sdl_switch() with NULL surface
  sdl: Refresh debug statements

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-13 14:03:31 +00:00
Peter Maydell
f3dd251de1 Update OpenBIOS images
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Merge remote-tracking branch 'remotes/mcayland/tags/qemu-openbios-signed' into staging

Update OpenBIOS images

# gpg: Signature made Fri Mar 13 11:04:07 2015 GMT using RSA key ID AE0F321F
# gpg: Good signature from "Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>"

* remotes/mcayland/tags/qemu-openbios-signed:
  Update OpenBIOS images

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-13 11:51:00 +00:00
Mark Cave-Ayland
09c0772be9 Update OpenBIOS images
Update OpenBIOS images to SVN r1334 built from submodule.

Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
2015-03-13 11:03:41 +00:00
Peter Maydell
82389dcc13 -----BEGIN PGP SIGNATURE-----
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Merge remote-tracking branch 'remotes/stefanha/tags/net-pull-request' into staging

# gpg: Signature made Thu Mar 12 20:06:50 2015 GMT using RSA key ID 81AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>"

* remotes/stefanha/tags/net-pull-request:
  tests: rtl8139: test timers and interrupt
  net: synchronize net_host_device_remove with host_net_remove_completion

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-13 11:00:58 +00:00
Peter Maydell
f9f141b747 -----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
 
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 -----END PGP SIGNATURE-----

Merge remote-tracking branch 'remotes/stefanha/tags/block-pull-request' into staging

# gpg: Signature made Thu Mar 12 19:09:26 2015 GMT using RSA key ID 81AB73C8
# gpg: Good signature from "Stefan Hajnoczi <stefanha@redhat.com>"
# gpg:                 aka "Stefan Hajnoczi <stefanha@gmail.com>"

* remotes/stefanha/tags/block-pull-request:
  qcow2: fix the macro QCOW_MAX_L1_SIZE's use
  queue: fix QSLIST_INSERT_HEAD_ATOMIC race

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
2015-03-13 09:54:23 +00:00
Shannon Zhao
9005c3b3ef hw/9pfs/virtio-9p-posix-acl: Fix out-of-bounds access
It's detected by coverity. Fix out-of-bounds access of the function mp_dacl_listxattr.

Signed-off-by: Shannon Zhao <zhaoshenglong@huawei.com>
Signed-off-by: Shannon Zhao <shannon.zhao@linaro.org>
Signed-off-by: Aneesh Kumar K.V <aneesh.kumar@linux.vnet.ibm.com>
2015-03-13 14:01:24 +05:30
Frediano Ziglio
069bb5831f tests: rtl8139: test timers and interrupt
Test behaviour of timers and interrupts related to timeouts.

Signed-off-by: Frediano Ziglio <freddy77@gmail.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1420742303-3030-1-git-send-email-freddy77@gmail.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-03-12 19:59:39 +00:00
Paolo Bonzini
7fb439115d net: synchronize net_host_device_remove with host_net_remove_completion
Using net_host_check_device is unnecessary.  qemu_del_net_client asserts
for the non-peer case that it can only process NIC type NetClientStates,
and that assertion is valid for the peered case as well, so move it and
use the same check in net_host_device_remove.  host_net_remove_completion
is already checking the type.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Jason Wang <jasowang@redhat.com>
Message-id: 1419353600-30519-2-git-send-email-pbonzini@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-03-12 19:59:39 +00:00
Wen Congyang
87b86e7ef2 qcow2: fix the macro QCOW_MAX_L1_SIZE's use
QCOW_MAX_L1_SIZE's unit is byte, and l1_size's unit
is l1 table entry size(8 bytes).

Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
Message-id: 54FFB0F1.5010307@cn.fujitsu.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-03-12 17:41:23 +00:00
Paolo Bonzini
2120465fbb queue: fix QSLIST_INSERT_HEAD_ATOMIC race
There is a not-so-subtle race in QSLIST_INSERT_HEAD_ATOMIC.

Because atomic_cmpxchg returns the old value instead of a success flag,
QSLIST_INSERT_HEAD_ATOMIC was checking for success by comparing against
the second argument to atomic_cmpxchg.  Unfortunately, this only works
if the second argument is a local or thread-local variable.

If it is in memory, it can be subject to common subexpression elimination
(and then everything's fine) or reloaded after the atomic_cmpxchg,
depending on the compiler's whims.  If the latter happens, the race can
happen.  A thread can sneak in, doing something on elm->field.sle_next
after the atomic_cmpxchg and before the comparison.  This causes a wrong
failure, and then two threads are using "elm" at the same time.  In the
case discovered by Christian, the sequence was likely something like this:

    thread 1                   | thread 2
    QSLIST_INSERT_HEAD_ATOMIC  |
      atomic_cmpxchg succeeds  |
      elm added to list        |
                               | steal release_pool
                               | QSLIST_REMOVE_HEAD
                               | elm removed from list
                               | ...
                               | QSLIST_INSERT_HEAD_ATOMIC
                               |   (overwrites sle_next)
      spurious failure         |
      atomic_cmpxchg succeeds  |
      elm added to list again  |
                               |
    steal release_pool         |
    QSLIST_REMOVE_HEAD         |
    elm removed again          |

The last three steps could be done by a third thread as well.
A reproducer that failed in a matter of seconds is as follows:

- the guest has 32 VCPUs on a 28 core host (hyperthreading was enabled),
  memory was 16G just to err on the safe side (the host has 64G, but hey
  at least you need no s390)

- the guest has 24 null-aio virtio-blk devices using dataplane
  (-object iothread,id=ioN -drive if=none,id=blkN,driver=null-aio,size=500G
  -device virtio-blk-pci,iothread=ioN,drive=blkN)

- the guest also has a single network interface.  It's only doing loopback
  tests so slirp vs. tap and the model doesn't matter.

- the guest is running fio with the following script:

     [global]
     rw=randread
     blocksize=16k
     ioengine=libaio
     runtime=10m
     buffered=0
     fallocate=none
     time_based
     iodepth=32

     [virtio1a]
     filename=/dev/block/252\:16

     [virtio1b]
     filename=/dev/block/252\:16

     ...

     [virtio24a]
     filename=/dev/block/252\:384

     [virtio24b]
     filename=/dev/block/252\:384

     [listen1]
     protocol=tcp
     ioengine=net
     port=12345
     listen
     rw=read
     bs=4k
     size=1000g

     [connect1]
     protocol=tcp
     hostname=localhost
     ioengine=net
     port=12345
     protocol=tcp
     rw=write
     startdelay=1
     size=1000g

     ...

     [listen8]
     protocol=tcp
     ioengine=net
     port=12352
     listen
     rw=read
     bs=4k
     size=1000g

     [connect8]
     protocol=tcp
     hostname=localhost
     ioengine=net
     port=12352
     rw=write
     startdelay=1
     size=1000g

Moral of the story: I should refrain from writing more clever stuff.
At least it looks like it is not too clever to be undebuggable.

Reported-by: Christian Borntraeger <borntraeger@de.ibm.com>
Tested-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1426002357-6889-1-git-send-email-pbonzini@redhat.com
Fixes: c740ad92d0
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
2015-03-12 17:41:23 +00:00
Gerd Hoffmann
43db7c3d48 pixman: add a bunch of PIXMAN_BE_* defines for 32bpp
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
2015-03-12 15:50:11 +01:00
Jeremy White
f676c67e4b Allow the use of X11 from a non standard location.
Signed-off-by: Jeremy White <jwhite@codeweavers.com>

[ kraxel: solve opengl patch conflicts ]

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
2015-03-12 15:50:11 +01:00
Gerd Hoffmann
da076ffed6 configure: opengl overhaul
Rename config option from "glx" to "opengl", glx will not be the only
option for opengl in near future.  Also switch over to pkg-config for
opengl support detection.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
2015-03-12 15:49:57 +01:00
Benjamin Herrenschmidt
d28d6505bd sdl: Fix crash when calling sdl_switch() with NULL surface
This happens for example when doing ctrl-alt-u and segfaults

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2015-03-12 12:54:23 +01:00
Benjamin Herrenschmidt
5f5d82ddf1 sdl: Refresh debug statements
Put them under a #define similar to the VGA model and make them
actually compile. Add a couple too.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
2015-03-12 12:54:23 +01:00