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* rust: fix nightly warnings

Browse source 
* target/i386: a smattering of fixes
 * monitor: add "info accelerators"
 * kvm: cleanups to kvm_cpu_synchronize_put()
 * target/i386: Add TSA attack variants and verw-clear feature flag
 * async: tsan bottom half fixes
 * rust: migration state wrappers with support for BQL-free devices
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Merge tag 'for-upstream' of https://gitlab.com/bonzini/qemu into staging

* rust: fix nightly warnings
* target/i386: a smattering of fixes
* monitor: add "info accelerators"
* kvm: cleanups to kvm_cpu_synchronize_put()
* target/i386: Add TSA attack variants and verw-clear feature flag
* async: tsan bottom half fixes
* rust: migration state wrappers with support for BQL-free devices

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# gpg: Signature made Tue 14 Oct 2025 05:44:06 AM PDT
# gpg:                using RSA key F13338574B662389866C7682BFFBD25F78C7AE83
# gpg:                issuer "pbonzini@redhat.com"
# gpg: Good signature from "Paolo Bonzini <bonzini@gnu.org>" [unknown]
# gpg:                 aka "Paolo Bonzini <pbonzini@redhat.com>" [unknown]
# gpg: WARNING: The key's User ID is not certified with a trusted signature!
# gpg:          There is no indication that the signature belongs to the owner.
# 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: (28 commits)
  rust: migration: implement ToMigrationState as part of impl_vmstate_bitsized
  timer: constify some functions
  rust: qemu-macros: add ToMigrationState derive macro
  rust: migration: add high-level migration wrappers
  rust: move VMState from bql to migration
  rust: migration: extract vmstate_fields_ref
  rust: migration: validate termination of subsection arrays
  rust: migration: do not store raw pointers into VMStateSubsectionsWrapper
  rust: migration: do not pass raw pointer to VMStateDescription::fields
  rust: bql: add BqlRefCell::get_mut()
  accel/kvm: Factor kvm_cpu_synchronize_put() out
  accel/kvm: Introduce KvmPutState enum
  monitor: generalize query-mshv/"info mshv" to query-accelerators/"info accelerators"
  monitor: clarify "info accel" help message
  target/i386: user: do not set up a valid LDT on reset
  async: access bottom half flags with qatomic_read
  target/i386: fix access to the T bit of the TSS
  target/i386: fix x86_64 pushw op
  i386/tcg/smm_helper: Properly apply DR values on SMM entry / exit
  i386/cpu: Prevent delivering SIPI during SMM in TCG mode
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2025-10-14 07:30:08 -07:00
commit b2d86f1c54
42 changed files with 1230 additions and 149 deletions
Download patch file Download diff file Expand all files Collapse all files

47
accel/kvm/kvm-all.c
View file

@ -2937,22 +2937,32 @@ void kvm_cpu_synchronize_state(CPUState *cpu)
}
}
static void do_kvm_cpu_synchronize_post_reset(CPUState *cpu, run_on_cpu_data arg)
static bool kvm_cpu_synchronize_put(CPUState *cpu, KvmPutState state,
const char *desc)
{
Error *err = NULL;
int ret = kvm_arch_put_registers(cpu, KVM_PUT_RESET_STATE, &err);
int ret = kvm_arch_put_registers(cpu, state, &err);
if (ret) {
if (err) {
error_reportf_err(err, "Restoring resisters after reset: ");
error_reportf_err(err, "Restoring resisters %s: ", desc);
} else {
error_report("Failed to put registers after reset: %s",
error_report("Failed to put registers %s: %s", desc,
strerror(-ret));
}
cpu_dump_state(cpu, stderr, CPU_DUMP_CODE);
vm_stop(RUN_STATE_INTERNAL_ERROR);
return false;
}
cpu->vcpu_dirty = false;
return true;
}
static void do_kvm_cpu_synchronize_post_reset(CPUState *cpu, run_on_cpu_data arg)
{
if (!kvm_cpu_synchronize_put(cpu, KVM_PUT_RESET_STATE, "after reset")) {
cpu_dump_state(cpu, stderr, CPU_DUMP_CODE);
vm_stop(RUN_STATE_INTERNAL_ERROR);
}
}
void kvm_cpu_synchronize_post_reset(CPUState *cpu)
@ -2966,19 +2976,9 @@ void kvm_cpu_synchronize_post_reset(CPUState *cpu)
static void do_kvm_cpu_synchronize_post_init(CPUState *cpu, run_on_cpu_data arg)
{
Error *err = NULL;
int ret = kvm_arch_put_registers(cpu, KVM_PUT_FULL_STATE, &err);
if (ret) {
if (err) {
error_reportf_err(err, "Putting registers after init: ");
} else {
error_report("Failed to put registers after init: %s",
strerror(-ret));
}
if (!kvm_cpu_synchronize_put(cpu, KVM_PUT_FULL_STATE, "after init")) {
exit(1);
}
cpu->vcpu_dirty = false;
}
void kvm_cpu_synchronize_post_init(CPUState *cpu)
@ -3168,20 +3168,11 @@ int kvm_cpu_exec(CPUState *cpu)
MemTxAttrs attrs;
if (cpu->vcpu_dirty) {
Error *err = NULL;
ret = kvm_arch_put_registers(cpu, KVM_PUT_RUNTIME_STATE, &err);
if (ret) {
if (err) {
error_reportf_err(err, "Putting registers after init: ");
} else {
error_report("Failed to put registers after init: %s",
strerror(-ret));
}
if (!kvm_cpu_synchronize_put(cpu, KVM_PUT_RUNTIME_STATE,
"at runtime")) {
ret = -1;
break;
}
cpu->vcpu_dirty = false;
}
kvm_arch_pre_run(cpu, run);