diff options
| author | Stefan Hajnoczi <stefanha@redhat.com> | 2022-11-03 10:54:37 -0400 |
|---|---|---|
| committer | Stefan Hajnoczi <stefanha@redhat.com> | 2022-11-03 10:54:37 -0400 |
| commit | 7f5acfcb662d32a736d0db41211cc7f340193bdd (patch) | |
| tree | d00c7ca999519b539c5874e6021192050ba6d405 /qemu-options.hx | |
| parent | 5e82102268f5a72b2880f9cb638e9719177a95f9 (diff) | |
| parent | 03a60ae9cac546d05b076676491ed1606f9d9066 (diff) | |
Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging
* bug fixes
* reduced memory footprint for IPI virtualization on Intel processors
* asynchronous teardown support (Linux only)
# -----BEGIN PGP SIGNATURE-----
#
# iQFIBAABCAAyFiEE8TM4V0tmI4mGbHaCv/vSX3jHroMFAmNiVykUHHBib256aW5p
# QHJlZGhhdC5jb20ACgkQv/vSX3jHroN0Swf/YxjphCtFgYYSO14WP+7jAnfRZLhm
# 0xWChWP8rco5I352OBFeFU64Av5XoLGNn6SZLl8lcg86lQ/G0D27jxu6wOcDDHgw
# 0yTDO1gevj51UKsbxoC66OWSZwKTEo398/BHPDcI2W41yOFycSdtrPgspOrFRVvf
# 7M3nNjuNPsQorZeuu8NGr3jakqbt99ZDXcyDEWbrEAcmy2JBRMbGgT0Kdnc6aZfW
# CvL+1ljxzldNwGeNBbQW2QgODbfHx5cFZcy4Daze35l5Ra7K/FrgAzr6o/HXptya
# 9fEs5LJQ1JWI6JtpaWwFy7fcIIOsJ0YW/hWWQZSDt9JdAJFE5/+vF+Kz5Q==
# =CgrO
# -----END PGP SIGNATURE-----
# gpg: Signature made Wed 02 Nov 2022 07:40:25 EDT
# gpg: using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg: issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [full]
# gpg: aka "Paolo Bonzini <pbonzini@redhat.com>" [full]
# Primary key fingerprint: 46F5 9FBD 57D6 12E7 BFD4 E2F7 7E15 100C CD36 69B1
# Subkey fingerprint: F133 3857 4B66 2389 866C 7682 BFFB D25F 78C7 AE83
* tag 'for-upstream' of https://gitlab.com/bonzini/qemu:
target/i386: Fix test for paging enabled
util/log: Close per-thread log file on thread termination
target/i386: Set maximum APIC ID to KVM prior to vCPU creation
os-posix: asynchronous teardown for shutdown on Linux
target/i386: Fix calculation of LOCK NEG eflags
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'qemu-options.hx')
| -rw-r--r-- | qemu-options.hx | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/qemu-options.hx b/qemu-options.hx index ceee0ddc25..911d82afa5 100644 --- a/qemu-options.hx +++ b/qemu-options.hx @@ -4790,6 +4790,25 @@ HXCOMM Internal use DEF("qtest", HAS_ARG, QEMU_OPTION_qtest, "", QEMU_ARCH_ALL) DEF("qtest-log", HAS_ARG, QEMU_OPTION_qtest_log, "", QEMU_ARCH_ALL) +#ifdef __linux__ +DEF("async-teardown", 0, QEMU_OPTION_asyncteardown, + "-async-teardown enable asynchronous teardown\n", + QEMU_ARCH_ALL) +#endif +SRST +``-async-teardown`` + Enable asynchronous teardown. A new process called "cleanup/<QEMU_PID>" + will be created at startup sharing the address space with the main qemu + process, using clone. It will wait for the main qemu process to + terminate completely, and then exit. + This allows qemu to terminate very quickly even if the guest was + huge, leaving the teardown of the address space to the cleanup + process. Since the cleanup process shares the same cgroups as the + main qemu process, accounting is performed correctly. This only + works if the cleanup process is not forcefully killed with SIGKILL + before the main qemu process has terminated completely. +ERST + DEF("msg", HAS_ARG, QEMU_OPTION_msg, "-msg [timestamp[=on|off]][,guest-name=[on|off]]\n" " control error message format\n" |