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Alexandre Ghiti
2840dadf0d
As reported in [1], the use of smp_processor_id() in
pmu_sbi_device_probe() must be protected by disabling the preemption, so
simple use get_cpu()/put_cpu() instead.
Reported-by: Nam Cao <[email protected]>
Closes: https://lore.kernel.org/linux-riscv/[email protected]/ [1]
Signed-off-by: Alexandre Ghiti <[email protected]>
Reviewed-by: Anup Patel <[email protected]>
Tested-by: Nam Cao <[email protected]>
Fixes: a8625217a0 ("drivers/perf: riscv: Implement SBI PMU snapshot function")
Reported-by: Andrea Parri <[email protected]>
Tested-by: Andrea Parri <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Palmer Dabbelt <[email protected]>