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  1. Dec 01, 2022
  3. Nov 22, 2022
  5. Nov 15, 2022
    • Stefan Hajnoczi's avatar
      Update VERSION for v7.2.0-rc1 · 2c831124
      Stefan Hajnoczi authored 
      
Signed-off-by: default avatarStefan Hajnoczi <stefanha@redhat.com>
      2c831124
    • Stefan Hajnoczi's avatar
      Merge tag 'pull-x86-20221115' of https://gitlab.com/rth7680/qemu into staging · dd64bcea
      Stefan Hajnoczi authored 
      Fix cmpxchgl writeback to rax.
Fix lahf/sahf for 64-bit

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# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A  05C0 64DF 38E8 AF7E 215F

* tag 'pull-x86-20221115' of https://gitlab.com/rth7680/qemu

:
  target/i386: hardcode R_EAX as destination register for LAHF/SAHF
  target/i386: fix cmpxchg with 32-bit register destination

Signed-off-by: default avatarStefan Hajnoczi <stefanha@redhat.com>
      dd64bcea
  7. Nov 14, 2022
    • Paolo Bonzini's avatar
      target/i386: hardcode R_EAX as destination register for LAHF/SAHF · 35d95e41
      Paolo Bonzini authored 
      When translating code that is using LAHF and SAHF in combination with the
REX prefix, the instructions should not use any other register than AH;
however, QEMU selects SPL (SP being register 4, just like AH) if the
REX prefix is present.  To fix this, use deposit directly without
going through gen_op_mov_v_reg and gen_op_mov_reg_v.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/130


Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
Signed-off-by: default avatarRichard Henderson <richard.henderson@linaro.org>
      35d95e41
    • Paolo Bonzini's avatar
      target/i386: fix cmpxchg with 32-bit register destination · d1bb978b
      Paolo Bonzini authored 
      Unlike the memory case, where "the destination operand receives a write
cycle without regard to the result of the comparison", rm must not be
touched altogether if the write fails, including not zero-extending
it on 64-bit processors.  This is not how the movcond currently works,
because it is always followed by a gen_op_mov_reg_v to rm.

To fix it, introduce a new function that is similar to gen_op_mov_reg_v
but writes to a TCG temporary.

Considering that gen_extu(ot, oldv) is not needed in the memory case
either, the two cases for register and memory destinations are different
enough that one might as well fuse the two "if (mod == 3)" into one.
So do that too.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/508


Signed-off-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
[rth: Add a test case ]
Signed-off-by: default avatarRichard Henderson <richard.henderson@linaro.org>
      d1bb978b
    • Stefan Hajnoczi's avatar
      Merge tag 'for-upstream' of https://repo.or.cz/qemu/kevin into staging · bb00d0aa
      Stefan Hajnoczi authored 
      Block layer patches

- Fix deadlock in graph modification with iothreads
- mirror: Fix non-converging cases for active mirror
- qapi: Fix BlockdevOptionsNvmeIoUring @path description
- blkio: Set BlockDriver::has_variable_length to false

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# gpg: Signature made Mon 14 Nov 2022 06:02:55 EST
# gpg:                using RSA key DC3DEB159A9AF95D3D7456FE7F09B272C88F2FD6
# gpg:                issuer "kwolf@redhat.com"
# gpg: Good signature from "Kevin Wolf <kwolf@redhat.com>" [full]
# Primary key fingerprint: DC3D EB15 9A9A F95D 3D74  56FE 7F09 B272 C88F 2FD6

* tag 'for-upstream' of https://repo.or.cz/qemu/kevin

:
  tests/stream-under-throttle: New test
  block: Start/end drain on correct AioContext
  block-backend: Update ctx immediately after root
  block: Make bdrv_child_get_parent_aio_context I/O
  block/blkio: Set BlockDriver::has_variable_length to false
  qapi/block-core: Fix BlockdevOptionsNvmeIoUring @path description
  iotests/151: Test active requests on mirror start
  iotests/151: Test that active mirror progresses
  block/mirror: Fix NULL s->job in active writes
  block/mirror: Drop mirror_wait_for_any_operation()
  block/mirror: Do not wait for active writes

Signed-off-by: default avatarStefan Hajnoczi <stefanha@redhat.com>
      bb00d0aa
    • Stefan Hajnoczi's avatar
      Merge tag 'pull-target-arm-20221114' of... · 98f10f0e
      Stefan Hajnoczi authored 
      Merge tag 'pull-target-arm-20221114' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
 * hw/intc/arm_gicv3: fix prio masking on pmr write
 * MAINTAINERS: Update maintainer's email for Xilinx CAN

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# gpg: Signature made Mon 14 Nov 2022 10:50:15 EST
# gpg:                using RSA key E1A5C593CD419DE28E8315CF3C2525ED14360CDE
# gpg:                issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [full]
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>" [full]
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [full]
# gpg:                 aka "Peter Maydell <peter@archaic.org.uk>" [unknown]
# Primary key fingerprint: E1A5 C593 CD41 9DE2 8E83  15CF 3C25 25ED 1436 0CDE

* tag 'pull-target-arm-20221114' of https://git.linaro.org/people/pmaydell/qemu-arm

:
  hw/intc/arm_gicv3: fix prio masking on pmr write
  MAINTAINERS: Update maintainer's email for Xilinx CAN

Signed-off-by: default avatarStefan Hajnoczi <stefanha@redhat.com>
      98f10f0e
    • Jens Wiklander's avatar
      hw/intc/arm_gicv3: fix prio masking on pmr write · d9721f19
      Jens Wiklander authored 
      
With commit 39f29e59 ("hw/intc/arm_gicv3: Use correct number of
priority bits for the CPU") the number of priority bits was changed from
the maximum value 8 to typically 5. As a consequence a few of the lowest
bits in ICC_PMR_EL1 becomes RAZ/WI. However prior to this patch one of
these bits was still used since the supplied priority value is masked
before it's eventually right shifted with one bit. So the bit is not
lost as one might expect when the register is read again.

The Linux kernel depends on lowest valid bit to be reset to zero, see
commit 33625282adaa ("irqchip/gic-v3: Probe for SCR_EL3 being clear
before resetting AP0Rn") for details.

So fix this by masking the priority value after it may have been right
shifted by one bit.

Cc: qemu-stable@nongnu.org
Fixes: 39f29e59 ("hw/intc/arm_gicv3: Use correct number of priority bits for the CPU")
Signed-off-by: default avatarJens Wiklander <jens.wiklander@linaro.org>
Reviewed-by: default avatarPeter Maydell <peter.maydell@linaro.org>
Signed-off-by: default avatarPeter Maydell <peter.maydell@linaro.org>
      d9721f19
    • Vikram Garhwal's avatar
      MAINTAINERS: Update maintainer's email for Xilinx CAN · 32bd99d0
      Vikram Garhwal authored 
      
Signed-off-by: default avatarVikram Garhwal <vikram.garhwal@amd.com>
Reviewed-by: default avatarFrancisco Iglesias <francisco.iglesias@amd.com>
Signed-off-by: default avatarPeter Maydell <peter.maydell@linaro.org>
      32bd99d0
    • Hanna Reitz's avatar
      tests/stream-under-throttle: New test · 46530d35
      Hanna Reitz authored 
      Test streaming a base image into the top image underneath two throttle
nodes.  This was reported to make qemu 7.1 hang
(https://gitlab.com/qemu-project/qemu/-/issues/1215

), so this serves as
a regression test.

Signed-off-by: default avatarHanna Reitz <hreitz@redhat.com>
Message-Id: <20221110160921.33158-1-hreitz@redhat.com>
Reviewed-by: default avatarKevin Wolf <kwolf@redhat.com>
Signed-off-by: default avatarKevin Wolf <kwolf@redhat.com>
      46530d35
  9. Nov 12, 2022
    • Stefan Hajnoczi's avatar
      Merge tag 'pull-la-20221112' of https://gitlab.com/rth7680/qemu into staging · 305f6f62
      Stefan Hajnoczi authored 
      Fix loongarch make check-tcg failure.

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# gpg: Signature made Fri 11 Nov 2022 20:06:45 EST
# gpg:                using RSA key 7A481E78868B4DB6A85A05C064DF38E8AF7E215F
# gpg:                issuer "richard.henderson@linaro.org"
# gpg: Good signature from "Richard Henderson <richard.henderson@linaro.org>" [full]
# Primary key fingerprint: 7A48 1E78 868B 4DB6 A85A  05C0 64DF 38E8 AF7E 215F

* tag 'pull-la-20221112' of https://gitlab.com/rth7680/qemu

:
  hw/loongarch: Fix loongarch fdt addr confict

Signed-off-by: default avatarStefan Hajnoczi <stefanha@redhat.com>
      305f6f62
    • Philippe Mathieu-Daudé's avatar
      libvduse: Avoid warning about dangerous use of strncpy() · 57bc6e40
      Philippe Mathieu-Daudé authored 
      
GCC 8 added a -Wstringop-truncation warning:

  The -Wstringop-truncation warning added in GCC 8.0 via r254630 for
  bug 81117 is specifically intended to highlight likely unintended
  uses of the strncpy function that truncate the terminating NUL
  character from the source string.

Here the next line indeed unconditionally zeroes the last byte, but
1/ the buffer has been calloc'd, so we don't need to add an extra
byte, and 2/ we called vduse_name_is_invalid() which checked the
string length, so we can simply call strcpy().

This fixes when using gcc (Ubuntu 9.4.0-1ubuntu1~20.04.1) 9.4.0:

  [42/666] Compiling C object subprojects/libvduse/libvduse.a.p/libvduse.c.o
  FAILED: subprojects/libvduse/libvduse.a.p/libvduse.c.o
  cc -m64 -mcx16 -Isubprojects/libvduse/libvduse.a.p -Isubprojects/libvduse -I../../subprojects/libvduse [...] -o subprojects/libvduse/libvduse.a.p/libvduse.c.o -c ../../subprojects/libvduse/libvduse.c
  In file included from /usr/include/string.h:495,
                   from ../../subprojects/libvduse/libvduse.c:24:
  In function ‘strncpy’,
      inlined from ‘vduse_dev_create’ at ../../subprojects/libvduse/libvduse.c:1312:5:
  /usr/include/x86_64-linux-gnu/bits/string_fortified.h:106:10: error: ‘__builtin_strncpy’ specified bound 256 equals destination size [-Werror=stringop-truncation]
    106 |   return __builtin___strncpy_chk (__dest, __src, __len, __bos (__dest));
        |          ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  cc1: all warnings being treated as errors
  ninja: build stopped: cannot make progress due to previous errors.

Fixes: d9cf16c0 ("libvduse: Replace strcpy() with strncpy()")
Suggested-by: default avatarMarkus Armbruster <armbru@redhat.com>
Signed-off-by: default avatarPhilippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: default avatarXie Yongji <xieyongji@bytedance.com>
Reviewed-by: default avatarStefan Hajnoczi <stefanha@redhat.com>
Tested-by: default avatarBin Meng <bmeng@tinylab.org>
Signed-off-by: default avatarStefan Hajnoczi <stefanha@redhat.com>
Message-Id: <20221111124550.35753-1-philmd@linaro.org>
      57bc6e40
    • Song Gao's avatar
      hw/loongarch: Fix loongarch fdt addr confict · 46b21de2
      Song Gao authored 
      
Fix LoongArch check-tcg error:
   TEST    hello on loongarch64
qemu-system-loongarch64: Some ROM regions are overlapping
These ROM regions might have been loaded by direct user request or by default.
They could be BIOS/firmware images, a guest kernel, initrd or some other file loaded into guest memory.
Check whether you intended to load all this guest code, and whether it has been built to load to the correct addresses.

The following two regions overlap (in the memory address space):
   hello ELF program header segment 0 (addresses 0x0000000000200000 - 0x0000000000242000)
   fdt (addresses 0x0000000000200000 - 0x0000000000300000)
make[1]: *** [Makefile:177: run-hello] Error 1

Fixes: 02183693 ("hw/loongarch: Load FDT table into dram memory space")
Reported-by: default avatarRichard Henderson <richard.henderson@linaro.org>
Signed-off-by: default avatarSong Gao <gaosong@loongson.cn>
Reviewed-by: default avatarRichard Henderson <richard.henderson@linaro.org>
Message-Id: <20221109020449.978064-1-gaosong@loongson.cn>
Signed-off-by: default avatarRichard Henderson <richard.henderson@linaro.org>
      46b21de2
  11. Nov 11, 2022
    • Stefan Hajnoczi's avatar
      Merge tag 'pull-request-2022-11-11' of https://gitlab.com/thuth/qemu into staging · 6a4cff8e
      Stefan Hajnoczi authored 
      * Fix "unused variable" warnings from Clang 15
* Allow building of guest-agent without emulators or tools
* White space clean-ups
* Fixes for typos in the documentation

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# gpg: Signature made Fri 11 Nov 2022 05:27:34 EST
# gpg:                using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg:                issuer "thuth@redhat.com"
# gpg: Good signature from "Thomas Huth <th.huth@gmx.de>" [full]
# gpg:                 aka "Thomas Huth <thuth@redhat.com>" [full]
# gpg:                 aka "Thomas Huth <huth@tuxfamily.org>" [full]
# gpg:                 aka "Thomas Huth <th.huth@posteo.de>" [unknown]
# Primary key fingerprint: 27B8 8847 EEE0 2501 18F3  EAB9 2ED9 D774 FE70 2DB5

* tag 'pull-request-2022-11-11' of https://gitlab.com/thuth/qemu

:
  Fix several typos in documentation (found by codespell)
  net: Replace TAB indentations with spaces
  qga: Allow building of the guest agent without system emulators or tools
  libdecnumber/dpd/decimal64: Fix compiler warning from Clang 15
  host-libusb: Remove unused variable
  qemu-img: remove unused variable
  tulip: Remove unused variable
  rtl8139: Remove unused variable

Signed-off-by: default avatarStefan Hajnoczi <stefanha@redhat.com>
      6a4cff8e
    • Stefan Hajnoczi's avatar
      Merge tag 'pull-ppc-20221111' of https://gitlab.com/danielhb/qemu into staging · b5871706
      Stefan Hajnoczi authored 
      ppc patch queue for 2022-11-11:

Short queue with just a single pnv-phb fix from Thomas Huth.

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# gpg: Signature made Fri 11 Nov 2022 05:02:31 EST
# gpg:                using EDDSA key 17EBFF9923D01800AF2838193CD9CA96DE033164
# gpg: Good signature from "Daniel Henrique Barboza <danielhb413@gmail.com>" [unknown]
# 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: 17EB FF99 23D0 1800 AF28  3819 3CD9 CA96 DE03 3164

* tag 'pull-ppc-20221111' of https://gitlab.com/danielhb/qemu

:
  hw/pci-host/pnv_phb: Avoid quitting QEMU if hotplug of pnv-phb-root-port fails

Signed-off-by: default avatarStefan Hajnoczi <stefanha@redhat.com>
      b5871706
    • Stefan Hajnoczi's avatar
      Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into staging · 67c6597a
      Stefan Hajnoczi authored 
      
pc,virtio: regression fixes

fixes issues from the last pull request:

unresolved symbols for taargets without acpi
typo in a comment in checkpatch
virtio buffer overflow

Signed-off-by: default avatarMichael S. Tsirkin <mst@redhat.com>

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* tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu

:
  virtio-net: fix for heap-buffer-overflow
  display: include dependencies explicitly
  checkpatch: typo fix

Signed-off-by: default avatarStefan Hajnoczi <stefanha@redhat.com>
      67c6597a
    • Stefan Weil's avatar
      Fix several typos in documentation (found by codespell) · 2cb40d44
      Stefan Weil authored 
      
Those typos are in files which are used to generate the QEMU manual.

Signed-off-by: default avatarStefan Weil <sw@weilnetz.de>
Message-Id: <20221110190825.879620-1-sw@weilnetz.de>
Reviewed-by: default avatarPhilippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: default avatarAni Sinha <ani@anisinha.ca>
Reviewed-by: default avatarPeter Maydell <peter.maydell@linaro.org>
Acked-by: default avatarMichael S. Tsirkin <mst@redhat.com>
[thuth: update sentence in can.rst as suggested by Peter]
Signed-off-by: default avatarThomas Huth <thuth@redhat.com>
      2cb40d44
    • Ahmed Abouzied's avatar
      net: Replace TAB indentations with spaces · f469150b
      Ahmed Abouzied authored 
      Replaces TABs with spaces, making sure to have a consistent coding style
of 4 space indentations in the net subsystem.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/377


Signed-off-by: default avatarAhmed Abouzied <email@aabouzied.com>
Message-Id: <20210614183849.20622-1-email@aabouzied.com>
Reviewed-by: default avatarPhilippe Mathieu-Daudé <philmd@redhat.com>
[thuth: Fixed mis-aligned indentation in some of the files]
Signed-off-by: default avatarThomas Huth <thuth@redhat.com>
      f469150b
    • Thomas Huth's avatar
      qga: Allow building of the guest agent without system emulators or tools · e0091133
      Thomas Huth authored 
      
If configuring with "--disable-system --disable-user --enable-guest-agent"
the linking currently fails with:

qga/qemu-ga.p/commands.c.o: In function `qmp_command_info':
build/../../home/thuth/devel/qemu/qga/commands.c:70: undefined reference to `qmp_command_name'
build/../../home/thuth/devel/qemu/qga/commands.c:71: undefined reference to `qmp_command_is_enabled'
build/../../home/thuth/devel/qemu/qga/commands.c:72: undefined reference to `qmp_has_success_response'
qga/qemu-ga.p/commands.c.o: In function `qmp_guest_info':
build/../../home/thuth/devel/qemu/qga/commands.c:82: undefined reference to `qmp_for_each_command'
qga/qemu-ga.p/commands.c.o: In function `qmp_guest_exec':
build/../../home/thuth/devel/qemu/qga/commands.c:410: undefined reference to `qbase64_decode'
qga/qemu-ga.p/channel-posix.c.o: In function `ga_channel_open':
build/../../home/thuth/devel/qemu/qga/channel-posix.c:214: undefined reference to `unix_listen'
build/../../home/thuth/devel/qemu/qga/channel-posix.c:228: undefined reference to `socket_parse'
build/../../home/thuth/devel/qemu/qga/channel-posix.c:234: undefined reference to `socket_listen'
qga/qemu-ga.p/commands-posix.c.o: In function `qmp_guest_file_write':
build/../../home/thuth/devel/qemu/qga/commands-posix.c:527: undefined reference to `qbase64_decode'

Let's make sure that we also compile and link the required files if
the system emulators have not been enabled.

Message-Id: <20221110083626.31899-1-thuth@redhat.com>
Tested-by: default avatarPhilippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: default avatarPhilippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: default avatarThomas Huth <thuth@redhat.com>
      e0091133
    • Thomas Huth's avatar
      libdecnumber/dpd/decimal64: Fix compiler warning from Clang 15 · b2a3cbb8
      Thomas Huth authored 
      
Clang 15 from Fedora 37 complains:

 ../libdecnumber/dpd/decimal64.c:620:8: error: variable 'n' set but
 not used [-Werror,-Wunused-but-set-variable]
   Int  n;                     /* output bunch counter */
        ^
 1 error generated.

Remove the unused variable to silence the compiler warning.

Message-Id: <20221110131112.104283-1-thuth@redhat.com>
Reviewed-by: default avatarCédric Le Goater <clg@kaod.org>
Signed-off-by: default avatarThomas Huth <thuth@redhat.com>
      b2a3cbb8
    • Miroslav Rezanina's avatar
      host-libusb: Remove unused variable · 5ab8ba97
      Miroslav Rezanina authored 
      
Variable unconnected used in usb_host_auto_check function is only incremented
but never read as line where it is read was disabled since introducing the code.
This causes 'Unused but set variable' warning on Clang 15.0.1 compiler.

Removing the variable and disabled code to prevent the warning.

Signed-off-by: default avatarMiroslav Rezanina <mrezanin@redhat.com>
Reviewed-by: default avatarThomas Huth <thuth@redhat.com>
Message-Id: <00df0db69ff9167d38bac81f6d03281955bd861a.1668009030.git.mrezanin@redhat.com>
Signed-off-by: default avatarThomas Huth <thuth@redhat.com>
      5ab8ba97
    • Miroslav Rezanina's avatar
      qemu-img: remove unused variable · 0f48c47c
      Miroslav Rezanina authored 
      
Variable block_count used in img_dd function is only incremented but never read.
This causes 'Unused but set variable' warning on Clang 15.0.1 compiler.

Removing the variable to prevent the warning.

Signed-off-by: default avatarMiroslav Rezanina <mrezanin@redhat.com>
Reviewed-by: default avatarThomas Huth <thuth@redhat.com>
Message-Id: <e86d5b57f9d13bde995c616a533b876f1fb8a527.1668009030.git.mrezanin@redhat.com>
Signed-off-by: default avatarThomas Huth <thuth@redhat.com>
      0f48c47c
    • Miroslav Rezanina's avatar
      tulip: Remove unused variable · 6083dcad
      Miroslav Rezanina authored 
      
Variable n used in tulip_idblock_crc function is only incremented but never read.
This causes 'Unused but set variable' warning on Clang 15.0.1 compiler.

Removing the variable to prevent the warning.

Signed-off-by: default avatarMiroslav Rezanina <mrezanin@redhat.com>
Reviewed-by: default avatarThomas Huth <thuth@redhat.com>
Message-Id: <02e1560d115c208df32236df8916fed98429fda1.1668009030.git.mrezanin@redhat.com>
Signed-off-by: default avatarThomas Huth <thuth@redhat.com>
      6083dcad
    • Miroslav Rezanina's avatar
      rtl8139: Remove unused variable · 7d7238c7
      Miroslav Rezanina authored 
      
Variable send_count used in rtl8139_cplus_transmit_one function is only
incremented but never read. This causes 'Unused but set variable' warning
on Clang 15.0.1 compiler.

Removing the variable to prevent the warning.

Signed-off-by: default avatarMiroslav Rezanina <mrezanin@redhat.com>
Reviewed-by: default avatarThomas Huth <thuth@redhat.com>
Message-Id: <15a32dd06c492216cbf27cd3ddcbe1e9afb8d8f5.1668009030.git.mrezanin@redhat.com>
Signed-off-by: default avatarThomas Huth <thuth@redhat.com>
      7d7238c7
  13. Nov 10, 2022