Re: [PATCH] rcutorture: Fix rcutorture_one_extend_check() splat in RT kernels

On 5/7/2025 5:04 PM, Paul E. McKenney wrote: > On Wed, May 07, 2025 at 07:26:03PM +0800, Zqiang wrote: >> For built with CONFIG_PREEMPT_RT=y kernels, running rcutorture >> tests resulted in the following splat: >> >> [ 68.797425] rcutorture_one_extend_check during change: Current 0x1 To >> a

Re: [PATCH] rcutorture: Fix rcutorture_one_extend_check() splat in RT kernels

On Wed, May 07, 2025 at 07:26:03PM +0800, Zqiang wrote: > For built with CONFIG_PREEMPT_RT=y kernels, running rcutorture > tests resulted in the following splat: > > [ 68.797425] rcutorture_one_extend_check during change: Current 0x1 To add > 0x1 To remove 0x0 preempt_count() 0x0 > [ 68.79

[PATCH] rcutorture: Fix rcutorture_one_extend_check() splat in RT kernels

For built with CONFIG_PREEMPT_RT=y kernels, running rcutorture tests resulted in the following splat: [ 68.797425] rcutorture_one_extend_check during change: Current 0x1 To add 0x1 To remove 0x0 preempt_count() 0x0 [ 68.797533] WARNING: CPU: 2 PID: 512 at kernel/rcu/rcutorture.c:1993 rcut