Dear RT Folks, I'm pleased to announce the 4.19.106-rt46 stable release. You can get this release via the git tree at: git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-stable-rt.git branch: v4.19-rt Head SHA1: e56eb1424b06c72cd304190c34c2541949dfe41d Or to build 4.19.106-rt46 directly, the following patches should be applied: http://www.kernel.org/pub/linux/kernel/v4.x/linux-4.19.tar.xz http://www.kernel.org/pub/linux/kernel/v4.x/patch-4.19.106.xz http://www.kernel.org/pub/linux/kernel/projects/rt/4.19/patch-4.19.106-rt46.patch.xz You can also build from 4.19.106-rt45 by applying the incremental patch: http://www.kernel.org/pub/linux/kernel/projects/rt/4.19/incr/patch-4.19.106-rt45-rt46.patch.xz Enjoy, -- Steve Changes from v4.19.106-rt45: --- Steven Rostedt (VMware) (2): irq_work: Fix checking of IRQ_WORK_LAZY flag set on non PREEMPT_RT Linux 4.19.106-rt46 Tiejun Chen (1): lib/ubsan: Remove flags parameter from calls to ubsan_prologue() and ubsan_epilogue() ---- kernel/irq_work.c | 15 ++++++++------- lib/ubsan.c | 5 ++--- localversion-rt | 2 +- 3 files changed, 11 insertions(+), 11 deletions(-) --------------------------- diff --git a/kernel/irq_work.c b/kernel/irq_work.c index 2940622da5b3..b6d9d35941ac 100644 --- a/kernel/irq_work.c +++ b/kernel/irq_work.c @@ -70,6 +70,12 @@ static void __irq_work_queue_local(struct irq_work *work, struct llist_head *lis arch_irq_work_raise(); } +static inline bool use_lazy_list(struct irq_work *work) +{ + return (IS_ENABLED(CONFIG_PREEMPT_RT_FULL) && !(work->flags & IRQ_WORK_HARD_IRQ)) + || (work->flags & IRQ_WORK_LAZY); +} + /* Enqueue the irq work @work on the current CPU */ bool irq_work_queue(struct irq_work *work) { @@ -81,11 +87,10 @@ bool irq_work_queue(struct irq_work *work) /* Queue the entry and raise the IPI if needed. */ preempt_disable(); - if (IS_ENABLED(CONFIG_PREEMPT_RT_FULL) && !(work->flags & IRQ_WORK_HARD_IRQ)) + if (use_lazy_list(work)) list = this_cpu_ptr(&lazy_list); else list = this_cpu_ptr(&raised_list); - __irq_work_queue_local(work, list); preempt_enable(); @@ -106,7 +111,6 @@ bool irq_work_queue_on(struct irq_work *work, int cpu) #else /* CONFIG_SMP: */ struct llist_head *list; - bool lazy_work, realtime = IS_ENABLED(CONFIG_PREEMPT_RT_FULL); /* All work should have been flushed before going offline */ WARN_ON_ONCE(cpu_is_offline(cpu)); @@ -116,10 +120,7 @@ bool irq_work_queue_on(struct irq_work *work, int cpu) return false; preempt_disable(); - - lazy_work = work->flags & IRQ_WORK_LAZY; - - if (lazy_work || (realtime && !(work->flags & IRQ_WORK_HARD_IRQ))) + if (use_lazy_list(work)) list = &per_cpu(lazy_list, cpu); else list = &per_cpu(raised_list, cpu); diff --git a/lib/ubsan.c b/lib/ubsan.c index 5830cc9a2164..199c75e03469 100644 --- a/lib/ubsan.c +++ b/lib/ubsan.c @@ -339,18 +339,17 @@ EXPORT_SYMBOL(__ubsan_handle_type_mismatch_v1); void __ubsan_handle_vla_bound_not_positive(struct vla_bound_data *data, void *bound) { - unsigned long flags; char bound_str[VALUE_LENGTH]; if (suppress_report(&data->location)) return; - ubsan_prologue(&data->location, &flags); + ubsan_prologue(&data->location); val_to_string(bound_str, sizeof(bound_str), data->type, bound); pr_err("variable length array bound value %s <= 0\n", bound_str); - ubsan_epilogue(&flags); + ubsan_epilogue(); } EXPORT_SYMBOL(__ubsan_handle_vla_bound_not_positive); diff --git a/localversion-rt b/localversion-rt index 38c40b21a885..272158183778 100644 --- a/localversion-rt +++ b/localversion-rt @@ -1 +1 @@ --rt45 +-rt46
