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authorStefan Hajnoczi <stefanha@redhat.com>2022-10-13 13:55:03 -0400
committerStefan Hajnoczi <stefanha@redhat.com>2022-10-13 13:55:03 -0400
commitbb76f8e27570337f87f01414fb303d760753c587 (patch)
tree0c2009630872d8aa09e8d22b7850170da04b6524 /qemu-options.hx
parentcdcb7dcb401757b5853ca99c1967a6d66e1deea5 (diff)
parent5d2456789ac50b11c2bd560ddf3470fe820bb0ff (diff)
Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging
* scsi-disk: support setting CD-ROM block size via device options * target/i386: Implement MSR_CORE_THREAD_COUNT MSR * target/i386: notify VM exit support * target/i386: PC-relative translation block support * target/i386: support for XSAVE state in signal frames (linux-user) # -----BEGIN PGP SIGNATURE----- # # iQFIBAABCAAyFiEE8TM4V0tmI4mGbHaCv/vSX3jHroMFAmNFKP4UHHBib256aW5p # QHJlZGhhdC5jb20ACgkQv/vSX3jHroNJnwgAgCcOOxmY4Qem0Gd1L+SJKpEtGMOd # 4LY7443vT36pMpvqFNSfp5GBjDT1MgTD8BIY28miLMq959LT89LyM9g/H7IKOT82 # uyCsW3jW+6F19EZVkNvzTt+3USn/kaHn50zA4Ss9kvdNZr31b2LYqtglVCznfZwH # oI1rDhvsXubq8oWvwkqH7IwduK8mw+EB5Yz7AjYQ6eiYjenTrQBObpwQNbb4rlUf # oRm8dk/YJ2gfI2HQkoznGEbgpngy2tIU1vHNEpIk5NpwXxrulOyui3+sWaG4pH8f # oAOrSDC23M5A6jBJJAzDJ1q6M677U/kwJypyGQ7IyvyhECXE3tR+lHX1eA== # =tqeJ # -----END PGP SIGNATURE----- # gpg: Signature made Tue 11 Oct 2022 04:27:42 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: (37 commits) linux-user: i386/signal: support XSAVE/XRSTOR for signal frame fpstate linux-user: i386/signal: support FXSAVE fpstate on 32-bit emulation linux-user: i386/signal: move fpstate at the end of the 32-bit frames KVM: x86: Implement MSR_CORE_THREAD_COUNT MSR i386: kvm: Add support for MSR filtering x86: Implement MSR_CORE_THREAD_COUNT MSR target/i386: Enable TARGET_TB_PCREL target/i386: Inline gen_jmp_im target/i386: Add cpu_eip target/i386: Create eip_cur_tl target/i386: Merge gen_jmp_tb and gen_goto_tb into gen_jmp_rel target/i386: Remove MemOp argument to gen_op_j*_ecx target/i386: Use gen_jmp_rel for DISAS_TOO_MANY target/i386: Use gen_jmp_rel for gen_jcc target/i386: Use gen_jmp_rel for loop, repz, jecxz insns target/i386: Create gen_jmp_rel target/i386: Use DISAS_TOO_MANY to exit after gen_io_start target/i386: Create eip_next_* target/i386: Truncate values for lcall_real to i32 target/i386: Introduce DISAS_JUMP ... Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Diffstat (limited to 'qemu-options.hx')
-rw-r--r--qemu-options.hx11
1 files changed, 11 insertions, 0 deletions
diff --git a/qemu-options.hx b/qemu-options.hx
index c0bb74655c..afb34703fe 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -191,6 +191,7 @@ DEF("accel", HAS_ARG, QEMU_OPTION_accel,
" split-wx=on|off (enable TCG split w^x mapping)\n"
" tb-size=n (TCG translation block cache size)\n"
" dirty-ring-size=n (KVM dirty ring GFN count, default 0)\n"
+ " notify-vmexit=run|internal-error|disable,notify-window=n (enable notify VM exit and set notify window, x86 only)\n"
" thread=single|multi (enable multi-threaded TCG)\n", QEMU_ARCH_ALL)
SRST
``-accel name[,prop=value[,...]]``
@@ -242,6 +243,16 @@ SRST
is disabled (dirty-ring-size=0). When enabled, KVM will instead
record dirty pages in a bitmap.
+ ``notify-vmexit=run|internal-error|disable,notify-window=n``
+ Enables or disables notify VM exit support on x86 host and specify
+ the corresponding notify window to trigger the VM exit if enabled.
+ ``run`` option enables the feature. It does nothing and continue
+ if the exit happens. ``internal-error`` option enables the feature.
+ It raises a internal error. ``disable`` option doesn't enable the feature.
+ This feature can mitigate the CPU stuck issue due to event windows don't
+ open up for a specified of time (i.e. notify-window).
+ Default: notify-vmexit=run,notify-window=0.
+
ERST
DEF("smp", HAS_ARG, QEMU_OPTION_smp,