From: Thomas Gleixner <tglx@linutronix.de> To: LKML <linux-kernel@vger.kernel.org> Cc: linux-mm@kvack.org, Andrey Ryabinin <aryabinin@virtuozzo.com>, Michal Hocko <mhocko@kernel.org>, Andrew Morton <akpm@linux-foundation.org>, Vlastimil Babka <vbabka@suse.cz>, Vladimir Davydov <vdavydov.dev@gmail.com>, Peter Zijlstra <peterz@infradead.org> Subject: [patch V2 0/2] mm/memory_hotplug: Cure potential deadlocks vs. cpu hotplug lock Date: Tue, 04 Jul 2017 11:32:32 +0200 [thread overview] Message-ID: <20170704093232.995040438@linutronix.de> (raw) Andrey reported a potential deadlock with the memory hotplug lock and the cpu hotplug lock. The following series addresses this by reworking the memory hotplug locking and fixing up the potential deadlock scenarios. Applies against Linus head. All preliminaries are merged there already Thanks, tglx --- include/linux/swap.h | 1 mm/memory_hotplug.c | 89 ++++++++------------------------------------------- mm/page_alloc.c | 2 - mm/swap.c | 11 ++++-- 4 files changed, 25 insertions(+), 78 deletions(-)
WARNING: multiple messages have this Message-ID (diff)
From: Thomas Gleixner <tglx@linutronix.de> To: LKML <linux-kernel@vger.kernel.org> Cc: linux-mm@kvack.org, Andrey Ryabinin <aryabinin@virtuozzo.com>, Michal Hocko <mhocko@kernel.org>, Andrew Morton <akpm@linux-foundation.org>, Vlastimil Babka <vbabka@suse.cz>, Vladimir Davydov <vdavydov.dev@gmail.com>, Peter Zijlstra <peterz@infradead.org> Subject: [patch V2 0/2] mm/memory_hotplug: Cure potential deadlocks vs. cpu hotplug lock Date: Tue, 04 Jul 2017 11:32:32 +0200 [thread overview] Message-ID: <20170704093232.995040438@linutronix.de> (raw) Andrey reported a potential deadlock with the memory hotplug lock and the cpu hotplug lock. The following series addresses this by reworking the memory hotplug locking and fixing up the potential deadlock scenarios. Applies against Linus head. All preliminaries are merged there already Thanks, tglx --- include/linux/swap.h | 1 mm/memory_hotplug.c | 89 ++++++++------------------------------------------- mm/page_alloc.c | 2 - mm/swap.c | 11 ++++-- 4 files changed, 25 insertions(+), 78 deletions(-) -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@kvack.org"> email@kvack.org </a>
next reply other threads:[~2017-07-04 9:36 UTC|newest] Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-07-04 9:32 Thomas Gleixner [this message] 2017-07-04 9:32 ` [patch V2 0/2] mm/memory_hotplug: Cure potential deadlocks vs. cpu hotplug lock Thomas Gleixner 2017-07-04 9:32 ` [patch V2 1/2] mm: swap: Provide lru_add_drain_all_cpuslocked() Thomas Gleixner 2017-07-04 9:32 ` Thomas Gleixner 2017-07-04 10:58 ` Michal Hocko 2017-07-04 10:58 ` Michal Hocko 2017-07-04 12:48 ` Thomas Gleixner 2017-07-04 12:48 ` Thomas Gleixner 2017-07-04 12:52 ` Michal Hocko 2017-07-04 12:52 ` Michal Hocko 2017-07-04 12:07 ` Vlastimil Babka 2017-07-04 12:07 ` Vlastimil Babka 2017-07-04 12:35 ` Thomas Gleixner 2017-07-04 12:35 ` Thomas Gleixner 2017-07-04 9:32 ` [patch V2 2/2] mm/memory-hotplug: Switch locking to a percpu rwsem Thomas Gleixner 2017-07-04 9:32 ` Thomas Gleixner 2017-07-04 10:59 ` Michal Hocko 2017-07-04 10:59 ` Michal Hocko 2017-07-04 12:10 ` Vlastimil Babka 2017-07-04 12:10 ` Vlastimil Babka 2017-07-04 12:49 ` Thomas Gleixner 2017-07-04 12:49 ` Thomas Gleixner 2017-07-04 15:01 ` Davidlohr Bueso 2017-07-04 15:01 ` Davidlohr Bueso 2017-07-04 15:22 ` Davidlohr Bueso 2017-07-04 15:22 ` Davidlohr Bueso 2017-07-04 15:32 ` Thomas Gleixner 2017-07-04 15:32 ` Thomas Gleixner 2017-07-04 15:42 ` Davidlohr Bueso 2017-07-04 15:42 ` Davidlohr Bueso 2017-07-05 21:53 ` [patch V2 0/2] mm/memory_hotplug: Cure potential deadlocks vs. cpu hotplug lock Andrew Morton 2017-07-05 21:53 ` Andrew Morton 2017-07-06 6:34 ` Thomas Gleixner 2017-07-06 6:34 ` Thomas Gleixner
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