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hvf: only update sysreg from owning thread

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hv_vcpu_set_sys_reg should only be called from the owning thread of the
vCPU, so to avoid crashes, the call to hvf_update_guest_debug is
dispatched to the individual threads.

Tested-by: Daniel Gomez <da.gomez@samsung.com>
Signed-off-by: Mads Ynddal <m.ynddal@samsung.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20250402135229.28143-3-mads@ynddal.dk
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Mads Ynddal 2025-04-02 15:52:29 +02:00 • committed by Peter Maydell
parent 90f0078d02
commit d5bd8d8267
1 changed files with 6 additions and 1 deletions
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7
accel/hvf/hvf-all.c
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@ -58,8 +58,13 @@ int hvf_sw_breakpoints_active(CPUState *cpu)
return !QTAILQ_EMPTY(&hvf_state->hvf_sw_breakpoints);
}
int hvf_update_guest_debug(CPUState *cpu)
static void do_hvf_update_guest_debug(CPUState *cpu, run_on_cpu_data arg)
{
hvf_arch_update_guest_debug(cpu);
}
int hvf_update_guest_debug(CPUState *cpu)
{
run_on_cpu(cpu, do_hvf_update_guest_debug, RUN_ON_CPU_NULL);
return 0;
}