[Qemu-commits] [qemu/qemu] a9ee64: linux-user/flatload: Take mmap

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[Qemu-commits] [qemu/qemu] a9ee64: linux-user/flatload: Take mmap_lock i

From:	Peter Maydell
Subject:	[Qemu-commits] [qemu/qemu] a9ee64: linux-user/flatload: Take mmap_lock in load_flt_bi...
Date:	Wed, 09 Oct 2024 07:07:46 -0700
  Branch: refs/heads/staging
  Home:   https://github.com/qemu/qemu
  Commit: a9ee641bd46f5462eeed183ac3c3760bddfc2600
      
https://github.com/qemu/qemu/commit/a9ee641bd46f5462eeed183ac3c3760bddfc2600
  Author: Philippe Mathieu-Daudé <philmd@linaro.org>
  Date:   2024-10-08 (Tue, 08 Oct 2024)

  Changed paths:
    M linux-user/flatload.c

  Log Message:
  -----------
  linux-user/flatload: Take mmap_lock in load_flt_binary()

load_flt_binary() calls load_flat_file() -> page_set_flags().

page_set_flags() must be called with the mmap_lock held,
otherwise it aborts:

  $ qemu-arm -L stm32/lib/ stm32/bin/busybox
  qemu-arm: ../accel/tcg/user-exec.c:505: page_set_flags: Assertion 
`have_mmap_lock()' failed.
  Aborted (core dumped)

Fix by taking the lock in load_flt_binary().

Fixes: fbd3c4cff6 ("linux-user/arm: Mark the commpage executable")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2525
Suggested-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20240822095045.72643-3-philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>


  Commit: 2884596f5f385b5712c356310dd4125a089888a8
      
https://github.com/qemu/qemu/commit/2884596f5f385b5712c356310dd4125a089888a8
  Author: Richard Henderson <richard.henderson@linaro.org>
  Date:   2024-10-08 (Tue, 08 Oct 2024)

  Changed paths:
    M linux-user/elfload.c

  Log Message:
  -----------
  linux-user: Fix parse_elf_properties GNU0_MAGIC check

Comparing a string of 4 bytes only works in little-endian.

Adjust bulk bswap to only apply to the note payload.
Perform swapping of the note header manually; the magic
is defined so that it does not need a runtime swap.

Fixes: 83f990eb5adb ("linux-user/elfload: Parse NT_GNU_PROPERTY_TYPE_0 notes")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2596
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Michael Tokarev <mjt@tls.msk.ru>


  Commit: 9651cead2f1bb34b9b72f9c2c5dc81baea2b082e
      
https://github.com/qemu/qemu/commit/9651cead2f1bb34b9b72f9c2c5dc81baea2b082e
  Author: Michael Vogt <mvogt@redhat.com>
  Date:   2024-10-08 (Tue, 08 Oct 2024)

  Changed paths:
    M linux-user/syscall.c
    M linux-user/syscall_defs.h

  Log Message:
  -----------
  linux-user: add openat2 support in linux-user

This commit adds support for the `openat2()` syscall in the
`linux-user` userspace emulator.

It is implemented by extracting a new helper `maybe_do_fake_open()`
out of the exiting `do_guest_openat()` and share that with the
new `do_guest_openat2()`. Unfortunately we cannot just make
do_guest_openat2() a superset of do_guest_openat() because the
openat2() syscall is stricter with the argument checking and
will return an error for invalid flags or mode combinations (which
open()/openat() will ignore).

The implementation is similar to SYSCALL_DEFINE(openat2), i.e.
a new `copy_struct_from_user()` is used that works the same
as the kernels version to support backwards-compatibility
for struct syscall argument.

Instead of including openat2.h we create a copy of `open_how`
as `open_how_ver0` to ensure that if the structure grows we
can log a LOG_UNIMP warning.

Note that in this commit using openat2() for a "faked" file in
/proc will honor the "resolve" flags for
RESOLVE_NO_{MAGIC,SYM}LINKS for path based access to /proc/self/exe
(which is the only magic link we support for faked files).
Note it will not catch special access via e.g. dirfd. This is not
great but it seems similar to the exiting behavior when openat()
is called with a dirfd to "/proc". Here too the fake file lookup
may not catch the special file because no dirfd is used to
determine if the path is in /proc.

Signed-off-by: Michael Vogt <mvogt@redhat.com>
Buglink: https://github.com/osbuild/bootc-image-builder/issues/619
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-ID: 
<1c2c8c9db3731ed4c6fd9b10c63637c3e4caf8f5.1727795334.git.mvogt@redhat.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>


  Commit: 9729930344687c7077531ab07cb9dc275795b413
      
https://github.com/qemu/qemu/commit/9729930344687c7077531ab07cb9dc275795b413
  Author: Michael Vogt <mvogt@redhat.com>
  Date:   2024-10-08 (Tue, 08 Oct 2024)

  Changed paths:
    M linux-user/qemu.h
    M linux-user/strace.c
    M linux-user/strace.list
    M linux-user/syscall.c
    M linux-user/syscall_defs.h
    M meson.build

  Log Message:
  -----------
  linux-user: add strace support for openat2

This commit adds support for the `openat2()` to `QEMU_STRACE`. It
will use the `openat2.h` header if available to create user
readable flags for the `resolve` argument but does not require
the header otherwise.

It also makes `copy_struct_from_user()` available via `qemu.h`
and `open_how_ver0` via `syscall_defs.h` so that strace.c can use
them.

Signed-off-by: Michael Vogt <mvogt@redhat.com>
Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Message-ID: 
<f02d40c7751c03af885ced6dd94e4734d4be4d8f.1727795334.git.mvogt@redhat.com>
[rth: Add braces around the expanded how structure, like strace(3)]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>


  Commit: 322bfaa2ea17c0f2391c03fbeed01acd9c5e6ae9
      
https://github.com/qemu/qemu/commit/322bfaa2ea17c0f2391c03fbeed01acd9c5e6ae9
  Author: Ilya Leoshkevich <iii@linux.ibm.com>
  Date:   2024-10-08 (Tue, 08 Oct 2024)

  Changed paths:
    M linux-user/strace.c
    M linux-user/strace.list

  Log Message:
  -----------
  linux-user: Trace wait4()'s and waitpid()'s wstatus

Borrow the code for formatting the most frequent WIFEXITED() and
WIFSIGNALED() special cases from from the strace's printstatus().

Output examples:

    474729 wait4(-1,0x7f00767ff0a0,0,(nil)) = 474733 (wstatus={WIFEXITED(s) && 
WEXITSTATUS(s) == 1})
    475833 wait4(-1,0x7f7de61ff0a0,0,(nil)) = 475837 (wstatus={WIFSIGNALED(s) 
&& WTERMSIG(s) == SIGKILL})
    1168 waitpid(1171,0x7f44eea00340,0) = 1171 (wstatus={WIFSIGNALED(s) && 
WTERMSIG(s) == SIGKILL})

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-ID: <20241001193244.14939-1-iii@linux.ibm.com>
[rth: Drop extra output for NULL wstatus or error reading.]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>


  Commit: 7db3a42ef6a375dd0004f550e7cf30abd1d6372f
      
https://github.com/qemu/qemu/commit/7db3a42ef6a375dd0004f550e7cf30abd1d6372f
  Author: Philippe Mathieu-Daudé <philmd@linaro.org>
  Date:   2024-10-08 (Tue, 08 Oct 2024)

  Changed paths:
    M linux-user/strace.c

  Log Message:
  -----------
  linux-user: Correct print_sockaddr() format

When the %addr argument can not be accessed, a double comma
is logged (the final qemu_log call prepend a comma).  Move
the comma from the final qemu_log to the preceeding switch
cases that had omitted it.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-Id: <20240807124306.52903-2-philmd@linaro.org>
Acked-by: Ilya Leoshkevich <iii@linux.ibm.com>
[rth: Move comma into the various switch cases.]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>


  Commit: 02d9169761a99060daf2c5a362d67b2b1cf9c42f
      
https://github.com/qemu/qemu/commit/02d9169761a99060daf2c5a362d67b2b1cf9c42f
  Author: Philippe Mathieu-Daudé <philmd@linaro.org>
  Date:   2024-10-08 (Tue, 08 Oct 2024)

  Changed paths:
    M linux-user/strace.c

  Log Message:
  -----------
  linux-user: Display sockaddr buffer as pointer

Rather than 'raw param', display as pointer to get
"NULL" instead of "0x00000000".

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-ID: <20240807124306.52903-3-philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>


  Commit: 57fbc9b987ea63ccab955520276dd04e41eea4f0
      
https://github.com/qemu/qemu/commit/57fbc9b987ea63ccab955520276dd04e41eea4f0
  Author: Philippe Mathieu-Daudé <philmd@linaro.org>
  Date:   2024-10-08 (Tue, 08 Oct 2024)

  Changed paths:
    M linux-user/strace.c

  Log Message:
  -----------
  linux-user: Factor print_buf_len() out

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-ID: <20240807124306.52903-4-philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>


  Commit: ff54bcd541ff8cbbefab7b6779b77444fefce8b0
      
https://github.com/qemu/qemu/commit/ff54bcd541ff8cbbefab7b6779b77444fefce8b0
  Author: Philippe Mathieu-Daudé <philmd@linaro.org>
  Date:   2024-10-08 (Tue, 08 Oct 2024)

  Changed paths:
    M linux-user/strace.c
    M linux-user/strace.list

  Log Message:
  -----------
  linux-user: Add strace for sendto()

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-ID: <20240807124306.52903-5-philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>


  Commit: 124e769083c35dd3f0b4840e1726c671677092b3
      
https://github.com/qemu/qemu/commit/124e769083c35dd3f0b4840e1726c671677092b3
  Author: Philippe Mathieu-Daudé <philmd@linaro.org>
  Date:   2024-10-08 (Tue, 08 Oct 2024)

  Changed paths:
    M linux-user/strace.c
    M linux-user/strace.list

  Log Message:
  -----------
  linux-user: Add strace for recvfrom()

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20240807124306.52903-6-philmd@linaro.org>
[rth: Do not dump output buffers.]
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>


  Commit: 4cabcb89b101942346aebff081aa1453e958fe7f
      
https://github.com/qemu/qemu/commit/4cabcb89b101942346aebff081aa1453e958fe7f
  Author: Richard Henderson <richard.henderson@linaro.org>
  Date:   2024-10-08 (Tue, 08 Oct 2024)

  Changed paths:
    M tcg/ppc/tcg-target.c.inc

  Log Message:
  -----------
  tcg/ppc: Use TCG_REG_TMP2 for scratch tcg_out_qemu_st

In the fallback when STDBRX is not available, avoid clobbering
TCG_REG_TMP1, which might be h.base, which is still in use.
Use TCG_REG_TMP2 instead.

Cc: qemu-stable@nongnu.org
Fixes: 01a112e2e9 ("tcg/ppc: Reorg tcg_out_tlb_read")
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Tested-By: Michael Tokarev <mjt@tls.msk.ru>


  Commit: 3213da7b9539581c6df95f8ced5b09d0b02d425f
      
https://github.com/qemu/qemu/commit/3213da7b9539581c6df95f8ced5b09d0b02d425f
  Author: Richard Henderson <richard.henderson@linaro.org>
  Date:   2024-10-08 (Tue, 08 Oct 2024)

  Changed paths:
    M tcg/ppc/tcg-target.c.inc

  Log Message:
  -----------
  tcg/ppc: Use TCG_REG_TMP2 for scratch index in prepare_host_addr

In tcg_out_qemu_ldst_i128, we need a non-zero index register,
which we then use as a base register in several address modes.
Since we always have TCG_REG_TMP2 available, use that.

Cc: qemu-stable@nongnu.org
Fixes: 526cd4ec01f ("tcg/ppc: Support 128-bit load/store")
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2597
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Tested-By: Michael Tokarev <mjt@tls.msk.ru>


  Commit: 352cc9f300d83ea48b8154bfd2ff985fece887d0
      
https://github.com/qemu/qemu/commit/352cc9f300d83ea48b8154bfd2ff985fece887d0
  Author: Richard Henderson <richard.henderson@linaro.org>
  Date:   2024-10-08 (Tue, 08 Oct 2024)

  Changed paths:
    M target/m68k/translate.c

  Log Message:
  -----------
  target/m68k: Always return a temporary from gen_lea_mode

Returning a raw areg does not preserve the value if the areg
is subsequently modified.  Fixes, e.g. "jsr (sp)", where the
return address is pushed before the branch.

Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2483
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240813000737.228470-1-richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>


  Commit: 25f4e71722417db1f7d5140847849197053b23dd
      
https://github.com/qemu/qemu/commit/25f4e71722417db1f7d5140847849197053b23dd
  Author: Philippe Mathieu-Daudé <philmd@linaro.org>
  Date:   2024-10-08 (Tue, 08 Oct 2024)

  Changed paths:
    M accel/tcg/user-exec.c
    M include/exec/cpu-all.h

  Log Message:
  -----------
  accel/tcg: Make page_set_flags() documentation public

Commit e505a063ba ("translate-all: Add assert_(memory|tb)_lock
annotations") states page_set_flags() is "public APIs and [is]
documented as needing them held for linux-user mode".
Document the prototype.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20240822095045.72643-2-philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>


  Commit: c8e2b6b4d7e2abaf34afd120eb065227ce240106
      
https://github.com/qemu/qemu/commit/c8e2b6b4d7e2abaf34afd120eb065227ce240106
  Author: Daniil Tatianin <d-tatianin@yandex-team.ru>
  Date:   2024-10-09 (Wed, 09 Oct 2024)

  Changed paths:
    M chardev/char-socket.c
    M chardev/char.c
    M docs/about/deprecated.rst
    M include/chardev/char-socket.h
    M qapi/char.json

  Log Message:
  -----------
  chardev: introduce 'reconnect-ms' and deprecate 'reconnect'

The 'reconnect' option only allows to specify the time in seconds,
which is way too long for certain workflows.

We have a lightweight disk backend server, which takes about 20ms to
live update, but due to this limitation in QEMU, previously the guest
disk controller would hang for one second because it would take this
long for QEMU to reinitialize the socket connection.

Introduce a new option called 'reconnect-ms', which is the same as
'reconnect', except the value is treated as milliseconds. These are
mutually exclusive and specifying both results in an error.

'reconnect' is also deprecated by this commit to make it possible to
remove it in the future as to not keep two options that control the
same thing.

Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@yandex-team.ru>
Acked-by: Peter Krempa <pkrempa@redhat.com>
Signed-off-by: Daniil Tatianin <d-tatianin@yandex-team.ru>
Acked-by: Markus Armbruster <armbru@redhat.com>
Tested-by: Markus Armbruster <armbru@redhat.com>
Message-ID: <20240913094604.269135-1-d-tatianin@yandex-team.ru>


  Commit: b74cb8761c68275240af0826086590a03a1f419d
      
https://github.com/qemu/qemu/commit/b74cb8761c68275240af0826086590a03a1f419d
  Author: Octavian Purdila <tavip@google.com>
  Date:   2024-10-09 (Wed, 09 Oct 2024)

  Changed paths:
    M chardev/char-pty.c
    M chardev/char.c
    M qapi/char.json
    M qemu-options.hx

  Log Message:
  -----------
  chardev: add path option for pty backend

Add path option to the pty char backend which will create a symbolic
link to the given path that points to the allocated PTY.

This avoids having to make QMP or HMP monitor queries to find out what
the new PTY device path is.

Based on patch from Paulo Neves:

https://patchew.org/QEMU/1548509635-15776-1-git-send-email-ptsneves@gmail.com/

Tested with the following invocations that the link is created and
removed when qemu stops:

  qemu-system-x86_64 -nodefaults -mon chardev=compat_monitor \
  -chardev pty,path=test,id=compat_monitor0

  qemu-system-x86_64 -nodefaults -monitor pty:test

  # check QMP invocation with path set
  qemu-system-x86_64 -nodefaults -qmp tcp:localhost:4444,server=on,wait=off
  nc localhost 4444
  > {"execute": "qmp_capabilities"}
  > {"execute": "chardev-add", "arguments": {"id": "bar", "backend": {
      "type": "pty", "data": {"path": "test" }}}}

  # check QMP invocation with path not set
  qemu-system-x86_64 -nodefaults -qmp tcp:localhost:4444,server=on,wait=off
  nc localhost 4444
  > {"execute": "qmp_capabilities"}
  > {"execute": "chardev-add", "arguments": {"id": "bar", "backend": {
      "type": "pty", "data": {}}}}

Also tested that when a link path is not passed invocations still work, e.g.:

  qemu-system-x86_64 -monitor pty

Co-authored-by: Paulo Neves <ptsneves@gmail.com>
Signed-off-by: Paulo Neves <ptsneves@gmail.com>
[OP: rebase and address original patch review comments]
Signed-off-by: Octavian Purdila <tavip@google.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-ID: <20240806010735.2450555-1-tavip@google.com>


  Commit: c9beb029b5bd8cc028411db2270995f5e0dc3567
      
https://github.com/qemu/qemu/commit/c9beb029b5bd8cc028411db2270995f5e0dc3567
  Author: Peter Maydell <peter.maydell@linaro.org>
  Date:   2024-10-09 (Wed, 09 Oct 2024)

  Changed paths:
    M tests/qtest/meson.build

  Log Message:
  -----------
  tests/qtest: Bump qmp-cmd-test timeout to 120s

The qmp-cmd-test test takes typically about 15s on my local machine.
On the k8s runners it takes usually 20s but sometimes about 60s,
because the k8s runners have wildly variable execution time.  If
they're running slow, we hit the default timeout.  Bump the
qmp-cmd-test timeout to 120s to avoid this.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-id: 20241008141337.2790423-1-peter.maydell@linaro.org


  Commit: 54cdddc6dc29e557de33138fc0d89e73510c8487
      
https://github.com/qemu/qemu/commit/54cdddc6dc29e557de33138fc0d89e73510c8487
  Author: Peter Maydell <peter.maydell@linaro.org>
  Date:   2024-10-09 (Wed, 09 Oct 2024)

  Changed paths:
    M accel/tcg/user-exec.c
    M include/exec/cpu-all.h
    M linux-user/elfload.c
    M linux-user/flatload.c
    M linux-user/qemu.h
    M linux-user/strace.c
    M linux-user/strace.list
    M linux-user/syscall.c
    M linux-user/syscall_defs.h
    M meson.build
    M target/m68k/translate.c
    M tcg/ppc/tcg-target.c.inc

  Log Message:
  -----------
  Merge tag 'pull-tcg-20241008' of https://gitlab.com/rth7680/qemu into staging

linux-user: Fix parse_elf_properties GNU0_MAGIC check
linux-user: Various improvements to strace
linux-user: Add openat2 support
linux-user/flatload: Take mmap_lock in load_flt_binary()
accel/tcg: Make page_set_flags() documentation public
tcg/ppc: Use TCG_REG_TMP2 for scratch tcg_out_qemu_st
tcg/ppc: Use TCG_REG_TMP2 for scratch index in prepare_host_addr
target/m68k: Always return a temporary from gen_lea_mode

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* tag 'pull-tcg-20241008' of https://gitlab.com/rth7680/qemu:
  accel/tcg: Make page_set_flags() documentation public
  target/m68k: Always return a temporary from gen_lea_mode
  tcg/ppc: Use TCG_REG_TMP2 for scratch index in prepare_host_addr
  tcg/ppc: Use TCG_REG_TMP2 for scratch tcg_out_qemu_st
  linux-user: Add strace for recvfrom()
  linux-user: Add strace for sendto()
  linux-user: Factor print_buf_len() out
  linux-user: Display sockaddr buffer as pointer
  linux-user: Correct print_sockaddr() format
  linux-user: Trace wait4()'s and waitpid()'s wstatus
  linux-user: add strace support for openat2
  linux-user: add openat2 support in linux-user
  linux-user: Fix parse_elf_properties GNU0_MAGIC check
  linux-user/flatload: Take mmap_lock in load_flt_binary()

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>


  Commit: 838fc0a8769d7cc6edfe50451ba4e3368395f5c1
      
https://github.com/qemu/qemu/commit/838fc0a8769d7cc6edfe50451ba4e3368395f5c1
  Author: Peter Maydell <peter.maydell@linaro.org>
  Date:   2024-10-09 (Wed, 09 Oct 2024)

  Changed paths:
    M chardev/char-pty.c
    M chardev/char-socket.c
    M chardev/char.c
    M docs/about/deprecated.rst
    M include/chardev/char-socket.h
    M qapi/char.json
    M qemu-options.hx

  Log Message:
  -----------
  Merge tag 'chr-pull-request' of https://gitlab.com/marcandre.lureau/qemu into 
staging

chardev: introduce 'reconnect-ms' and deprecate 'reconnect'
chardev: add path option for pty backend

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# =musy
# -----END PGP SIGNATURE-----
# gpg: Signature made Wed 09 Oct 2024 09:39:18 BST
# gpg:                using RSA key 87A9BD933F87C606D276F62DDAE8E10975969CE5
# gpg:                issuer "marcandre.lureau@redhat.com"
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" 
[full]
# gpg:                 aka "Marc-André Lureau <marcandre.lureau@gmail.com>" 
[full]
# Primary key fingerprint: 87A9 BD93 3F87 C606 D276  F62D DAE8 E109 7596 9CE5

* tag 'chr-pull-request' of https://gitlab.com/marcandre.lureau/qemu:
  chardev: add path option for pty backend
  chardev: introduce 'reconnect-ms' and deprecate 'reconnect'

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>


Compare: https://github.com/qemu/qemu/compare/2af37e791906...838fc0a8769d

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