[PATCH net] net: stmmac: use __napi_schedule() for PREEMPT_RT

Jakub Kicinski kuba at kernel.org
Wed Jan 13 18:50:23 EST 2021


On Tue, 12 Jan 2021 15:01:22 +0100 Sebastien Laveze wrote:
> From: Seb Laveze <sebastien.laveze at nxp.com>
> 
> Use of __napi_schedule_irqoff() is not safe with PREEMPT_RT in which
> hard interrupts are not disabled while running the threaded interrupt.
> 
> Using __napi_schedule() works for both PREEMPT_RT and mainline Linux,
> just at the cost of an additional check if interrupts are disabled for
> mainline (since they are already disabled).
> 
> Similar to the fix done for enetc:
> 215602a8d212 ("enetc: use napi_schedule to be compatible with PREEMPT_RT")
> 
> Signed-off-by: Seb Laveze <sebastien.laveze at nxp.com>

Fixed up the commit message to appease checkpatch and applied, thanks!



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