Re: [PATCH] rcu/cpu_stall_cputime: fix the hardirq count for x86 architecture

2025-01-08 Thread kernel test robot
kernel/git/paulmck/linux-rcu.git dev patch link: https://lore.kernel.org/r/20250108065716.2888148-1-leonylgao%40gmail.com patch subject: [PATCH] rcu/cpu_stall_cputime: fix the hardirq count for x86 architecture config: riscv-randconfig-002-20250109 (https://download.01.org/0day-ci/archiv

Re: [PATCH] rcu/cpu_stall_cputime: fix the hardirq count for x86 architecture

2025-01-08 Thread kernel test robot
kernel/git/paulmck/linux-rcu.git dev patch link: https://lore.kernel.org/r/20250108065716.2888148-1-leonylgao%40gmail.com patch subject: [PATCH] rcu/cpu_stall_cputime: fix the hardirq count for x86 architecture config: arm64-allnoconfig (https://download.01.org/0day-ci/archive/20250109/20250109084

[PATCH] rcu/cpu_stall_cputime: fix the hardirq count for x86 architecture

2025-01-07 Thread Yongliang Gao
From: Yongliang Gao When counting the number of hardirqs in the x86 architecture, it is essential to add arch_irq_stat_cpu to ensure accuracy. For example, a CPU loop within the rcu_read_lock function. Before: [ 70.910184] rcu: INFO: rcu_preempt self-detected stall on CPU [ 70.910436] rcu: