Re: [PATCH v3 00/35] SLUB: reduce irq disabled scope and make it RT compatible

[PATCH v3 00/35] SLUB: reduce irq disabled scope and make it RT compatible · Vlastimil Babka <hidden> · 2021-07-29
[PATCH v3 01/35] mm, slub: don't call flush_all() from slab_debug_trace_open() · Vlastimil Babka <hidden> · 2021-07-29
[PATCH v3 03/35] mm, slub: allocate private object map for validate_slab_cache() · Vlastimil Babka <hidden> · 2021-07-29
[PATCH v3 05/35] mm, slub: remove redundant unfreeze_partials() from put_cpu_partial() · Vlastimil Babka <hidden> · 2021-07-29
[PATCH v3 02/35] mm, slub: allocate private object map for debugfs listings · Vlastimil Babka <hidden> · 2021-07-29
[PATCH v3 04/35] mm, slub: don't disable irq for debug_check_no_locks_freed() · Vlastimil Babka <hidden> · 2021-07-29
[PATCH v3 06/35] mm, slub: unify cmpxchg_double_slab() and __cmpxchg_double_slab() · Vlastimil Babka <hidden> · 2021-07-29
[PATCH v3 07/35] mm, slub: extract get_partial() from new_slab_objects() · Vlastimil Babka <hidden> · 2021-07-29
[PATCH v3 09/35] mm, slub: return slab page from get_partial() and set c->page afterwards · Vlastimil Babka <hidden> · 2021-07-29
[PATCH v3 08/35] mm, slub: dissolve new_slab_objects() into ___slab_alloc() · Vlastimil Babka <hidden> · 2021-07-29
[PATCH v3 10/35] mm, slub: restructure new page checks in ___slab_alloc() · Vlastimil Babka <hidden> · 2021-07-29
[PATCH v3 13/35] mm, slub: do initial checks in ___slab_alloc() with irqs enabled · Vlastimil Babka <hidden> · 2021-07-29
[PATCH v3 12/35] mm, slub: move disabling/enabling irqs to ___slab_alloc() · Vlastimil Babka <hidden> · 2021-07-29
[PATCH v3 11/35] mm, slub: simplify kmem_cache_cpu and tid setup · Vlastimil Babka <hidden> · 2021-07-29
[PATCH v3 17/35] mm, slub: check new pages with restored irqs · Vlastimil Babka <hidden> · 2021-07-29
[PATCH v3 14/35] mm, slub: move disabling irqs closer to get_partial() in ___slab_alloc() · Vlastimil Babka <hidden> · 2021-07-29
[PATCH v3 15/35] mm, slub: restore irqs around calling new_slab() · Vlastimil Babka <hidden> · 2021-07-29
[PATCH v3 16/35] mm, slub: validate slab from partial list or page allocator before making it cpu slab · Vlastimil Babka <hidden> · 2021-07-29
[PATCH v3 18/35] mm, slub: stop disabling irqs around get_partial() · Vlastimil Babka <hidden> · 2021-07-29
[PATCH v3 19/35] mm, slub: move reset of c->page and freelist out of deactivate_slab() · Vlastimil Babka <hidden> · 2021-07-29
[PATCH v3 20/35] mm, slub: make locking in deactivate_slab() irq-safe · Vlastimil Babka <hidden> · 2021-07-29
[PATCH v3 21/35] mm, slub: call deactivate_slab() without disabling irqs · Vlastimil Babka <hidden> · 2021-07-29
[PATCH v3 22/35] mm, slub: move irq control into unfreeze_partials() · Vlastimil Babka <hidden> · 2021-07-29
[PATCH v3 25/35] mm, slub: separate detaching of partial list in unfreeze_partials() from unfreezing · Vlastimil Babka <hidden> · 2021-07-29
[PATCH v3 27/35] mm, slub: don't disable irqs in slub_cpu_dead() · Vlastimil Babka <hidden> · 2021-07-29
[PATCH v3 26/35] mm, slub: only disable irq with spin_lock in __unfreeze_partials() · Vlastimil Babka <hidden> · 2021-07-29
[PATCH v3 28/35] mm, slab: make flush_slab() possible to call with irqs enabled · Vlastimil Babka <hidden> · 2021-07-29
[PATCH v3 31/35] mm, slub: optionally save/restore irqs in slab_[un]lock()/ · Vlastimil Babka <hidden> · 2021-07-29
Re: [PATCH v3 31/35] mm, slub: optionally save/restore irqs in slab_[un]lock()/ · Mel Gorman <hidden> · 2021-07-29
[PATCH v3 29/35] mm: slub: Move flush_cpu_slab() invocations __free_slab() invocations out of IRQ context · Vlastimil Babka <hidden> · 2021-07-29
[PATCH v3 24/35] mm, slub: detach whole partial list at once in unfreeze_partials() · Vlastimil Babka <hidden> · 2021-07-29
[PATCH v3 23/35] mm, slub: discard slabs in unfreeze_partials() without irqs disabled · Vlastimil Babka <hidden> · 2021-07-29
[PATCH v3 30/35] mm: slub: Make object_map_lock a raw_spinlock_t · Vlastimil Babka <hidden> · 2021-07-29
[PATCH v3 32/35] mm, slub: make slab_lock() disable irqs with PREEMPT_RT · Vlastimil Babka <hidden> · 2021-07-29
[PATCH v3 33/35] mm, slub: protect put_cpu_partial() with disabled irqs instead of cmpxchg · Vlastimil Babka <hidden> · 2021-07-29
Re: [PATCH v3 33/35] mm, slub: protect put_cpu_partial() with disabled irqs instead of cmpxchg · Vlastimil Babka <hidden> · 2021-07-29
[PATCH v3 34/35] mm, slub: use migrate_disable() on PREEMPT_RT · Vlastimil Babka <hidden> · 2021-07-29
[PATCH v3 35/35] mm, slub: convert kmem_cpu_slab protection to local_lock · Vlastimil Babka <hidden> · 2021-07-29
Re: [PATCH v3 00/35] SLUB: reduce irq disabled scope and make it RT compatible · Sebastian Andrzej Siewior <bigeasy@linutronix.de> · 2021-07-29
Re: [PATCH v3 00/35] SLUB: reduce irq disabled scope and make it RT compatible · Vlastimil Babka <hidden> · 2021-07-29
Re: [PATCH v3 00/35] SLUB: reduce irq disabled scope and make it RT compatible · Sebastian Andrzej Siewior <bigeasy@linutronix.de> · 2021-07-29
Re: [PATCH v3 00/35] SLUB: reduce irq disabled scope and make it RT compatible · Sebastian Andrzej Siewior <bigeasy@linutronix.de> · 2021-07-29
Re: [PATCH v3 00/35] SLUB: reduce irq disabled scope and make it RT compatible · Vlastimil Babka <hidden> · 2021-07-29
Re: [PATCH v3 00/35] SLUB: reduce irq disabled scope and make it RT compatible · Vlastimil Babka <hidden> · 2021-07-29
Re: [PATCH v3 00/35] SLUB: reduce irq disabled scope and make it RT compatible · Sebastian Andrzej Siewior <bigeasy@linutronix.de> · 2021-07-30
Re: [PATCH v3 00/35] SLUB: reduce irq disabled scope and make it RT compatible · Mel Gorman <hidden> · 2021-08-04
Re: [PATCH v3 00/35] SLUB: reduce irq disabled scope and make it RT compatible · Vlastimil Babka <hidden> · 2021-08-04

From: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date: 2021-07-29 15:30:57
Also in: lkml

On 2021-07-29 17:29:02 [+0200], To Vlastimil Babka wrote:

On 2021-07-29 17:27:18 [+0200], Vlastimil Babka wrote:

quoted

On 7/29/21 5:24 PM, Sebastian Andrzej Siewior wrote:

quoted

On 2021-07-29 15:20:57 [+0200], Vlastimil Babka wrote:

quoted

Changes since v2 [5]:

With PARTIAL enabled on top of -rc3:

Is that also PREEMPT_RT? Interesting...

No, plain -rc3.

but it also happens with PREEMPT_RT. Just wanted to make sure that it
happens without RT before I report :)

Sebastian

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