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target-arm queue: 

* icount: Take iothread lock when running QEMU timers
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Merge tag 'pull-target-arm-20220809' of https://git.linaro.org/people/pmaydell/qemu-arm into staging

target-arm queue:
 * icount: Take iothread lock when running QEMU timers

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# gpg:                issuer "peter.maydell@linaro.org"
# gpg: Good signature from "Peter Maydell <peter.maydell@linaro.org>" [full]
# gpg:                 aka "Peter Maydell <pmaydell@gmail.com>" [full]
# gpg:                 aka "Peter Maydell <pmaydell@chiark.greenend.org.uk>" [full]

* tag 'pull-target-arm-20220809' of https://git.linaro.org/people/pmaydell/qemu-arm:
  icount: Take iothread lock when running QEMU timers

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Richard Henderson 2022-08-09 09:43:42 -07:00
parent 8d2862327e c7f26ded6d
commit 4ffa12e080
1 changed files with 6 additions and 0 deletions
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6
accel/tcg/tcg-accel-ops-icount.c
View File

@ -109,7 +109,13 @@ void icount_prepare_for_run(CPUState *cpu)
replay_mutex_lock();
if (cpu->icount_budget == 0) {
/*
* We're called without the iothread lock, so must take it while
* we're calling timer handlers.
*/
qemu_mutex_lock_iothread();
icount_notify_aio_contexts();
qemu_mutex_unlock_iothread();
}
}