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From: Ravi Bangoria <ravi.bangoria@linux.ibm.com>
To: Sherry Yang <sherryy@android.com>
Cc: Oleg Nesterov <oleg@redhat.com>, Michal Hocko <mhocko@suse.com>,
	srikar@linux.vnet.ibm.com, songliubraving@fb.com,
	peterz@infradead.org, mingo@redhat.com, acme@kernel.org,
	alexander.shishkin@linux.intel.com, jolsa@redhat.com,
	namhyung@kernel.org, linux-kernel@vger.kernel.org,
	aneesh.kumar@linux.ibm.com,
	syzbot+1068f09c44d151250c33@syzkaller.appspotmail.com,
	Ravi Bangoria <ravi.bangoria@linux.ibm.com>
Subject: Re: [PATCH] Uprobes: Fix deadlock between delayed_uprobe_lock and fs_reclaim
Date: Tue, 26 Feb 2019 09:23:17 +0530	[thread overview]
Message-ID: <611d2ba9-c14b-4580-a7ec-8bcf0013cd6b@linux.ibm.com> (raw)
In-Reply-To: <0f6683c9-50c8-f26f-02e0-4689eee8ea5d@linux.ibm.com>



On 2/8/19 2:03 PM, Ravi Bangoria wrote:
> 
> 
> On 2/6/19 7:06 PM, Oleg Nesterov wrote:
>> Ravi, I am on vacation till the end of this week, can't read your patch
>> carefully.
>>
>> I am not sure I fully understand the problem, but shouldn't we change
>> binder_alloc_free_page() to use mmput_async() ? Like it does if trylock
>> fails.
> 
> I don't understand binderfs code much so I'll let Sherry comment on this.

Sherry, Can you please comment on this.

Thanks,
Ravi


  reply	other threads:[~2019-02-26  3:53 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-02-04  4:06 [PATCH] Uprobes: Fix deadlock between delayed_uprobe_lock and fs_reclaim Ravi Bangoria
2019-02-06 13:36 ` Oleg Nesterov
2019-02-08  8:33   ` Ravi Bangoria
2019-02-26  3:53     ` Ravi Bangoria [this message]
2019-02-26 16:20       ` Oleg Nesterov

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