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rust: hpet: do not access fields of SysBusDevice

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Fields of SysBusDevice must only be accessed with the BQL taken.  Add
a wrapper that verifies that.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2025-02-25 10:06:20 +01:00
parent fc22d650d5
commit 09fda8f5dc
2 changed files with 13 additions and 3 deletions
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4
rust/hw/timer/hpet/src/hpet.rs
View file

@ -730,8 +730,6 @@ impl HPETState {
}
fn reset_hold(&self, _type: ResetType) {
let sbd = self.upcast::<SysBusDevice>();
for timer in self.timers.iter().take(self.num_timers.get()) {
timer.borrow_mut().reset();
}
@ -744,7 +742,7 @@ impl HPETState {
HPETFwConfig::update_hpet_cfg(
self.hpet_id.get(),
self.capability.get() as u32,
sbd.mmio[0].addr,
self.mmio_addr(0).unwrap(),
);
// to document that the RTC lowers its output on reset as well