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| author | Stefan Hajnoczi | 2022-11-03 15:54:37 +0100 |
|---|---|---|
| committer | Stefan Hajnoczi | 2022-11-03 15:54:37 +0100 |
| commit | 7f5acfcb662d32a736d0db41211cc7f340193bdd (patch) | |
| tree | d00c7ca999519b539c5874e6021192050ba6d405 /qemu-options.hx | |
| parent | Merge tag 'nvme-fixes-pull-request' of git://git.infradead.org/qemu-nvme into... (diff) | |
| parent | target/i386: Fix test for paging enabled (diff) | |
| download | qemu-7f5acfcb662d32a736d0db41211cc7f340193bdd.tar.gz qemu-7f5acfcb662d32a736d0db41211cc7f340193bdd.tar.xz qemu-7f5acfcb662d32a736d0db41211cc7f340193bdd.zip | |
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)
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# 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
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* 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" |