On 3/13/2026 1:07 PM, Paul E. McKenney wrote:
> On Fri, Mar 13, 2026 at 09:56:49AM -0700, Gustavo Luiz Duarte wrote:
>> Add a Kconfig option to set the default value of the
>> kernel.panic_on_rcu_stall sysctl, allowing the kernel to be built
>> with panic-on-RCU-stall enabled by default.
>>
>> This is useful for high-availability systems that require automatic
>> recovery (via panic_timeout) when a CPU stall is detected, without
>> needing userspace to configure the sysctl at boot.
>>
>> This follows the pattern established by BOOTPARAM_SOFTLOCKUP_PANIC
>> and BOOTPARAM_HUNG_TASK_PANIC. The runtime sysctl can still override
>> the Kconfig default.
>>
>> Signed-off-by: Gustavo Luiz Duarte <[email protected]>
>
> Reviewed-by: Paul E. McKenney <[email protected]>
Applied for 7.1, thanks!
--
Joel Fernandes
