Re: [PATCH] block: insert a general SMP memory barrier before wake_up_bit()

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

To: Jacob Wen <jian.w.wen@xxxxxxxxxx>, "linux-fsdevel@xxxxxxxxxxxxxxx" <linux-fsdevel@xxxxxxxxxxxxxxx>
Subject: Re: [PATCH] block: insert a general SMP memory barrier before wake_up_bit()
From: Chaitanya Kulkarni <Chaitanya.Kulkarni@xxxxxxx>
Date: Thu, 13 Aug 2020 03:00:53 +0000
Accept-language: en-US
Ironport-sdr: fDrpgYvI4RpVCxtxFcAMaRn5TH5NYs7T4+rMAK/OcSqGHh0dIHkIZsHHAf8RaB0ZZV9ZH+9XQm NSXUAxYl+8GJ0DYI8w5ABs8cvMAzXILRyM30hjTHg3ogTzJNVzhcOTZ3++tGekwhFzVTWJFWwZ ZbxHJ9yZBKoygymn5qOGO02gHAsl/MZrGzUwFu5vbfpjYnGpbWP94gabeq+expE/OmXlI7pBVm tqBUSkwsqaqA+7rOv2jUJRHsqY7vk+siRJZo84+MCDpVVgxfbUUr4Npad/tQV8B2VBdGpoNNFR 6oA=
Thread-index: AQHWcRv/yzPrpHN5K0eDRQ61fXSrww==
Thread-topic: [PATCH] block: insert a general SMP memory barrier before wake_up_bit()
Wdcipoutbound: EOP-TRUE

On 8/12/20 19:46, Jacob Wen wrote:
> wake_up_bit() uses waitqueue_active() that needs the explicit smp_mb().
> 
> Signed-off-by: Jacob Wen<jian.w.wen@xxxxxxxxxx>

As per wake_up_bit() documentation this looks good.

Reviewed-by: Chaitanya Kulkarni<chaitanya.kulkarni@xxxxxxx>

References:
- [PATCH] block: insert a general SMP memory barrier before wake_up_bit()
  - From: Jacob Wen

Prev by Date: RE: [PATCH 1/2] exfat: add NameLength check when extracting name
Next by Date: Re: file metadata via fs API
Previous by thread: [PATCH] block: insert a general SMP memory barrier before wake_up_bit()
Next by thread: Re: [PATCH] block: insert a general SMP memory barrier before wake_up_bit()
Index(es):
- Date
- Thread

[Index of Archives] [Linux Ext4 Filesystem] [Union Filesystem] [Filesystem Testing] [Ceph Users] [Ecryptfs] [AutoFS] [Kernel Newbies] [Share Photos] [Security] [Netfilter] [Bugtraq] [Yosemite News] [MIPS Linux] [ARM Linux] [Linux Security] [Linux Cachefs] [Reiser Filesystem] [Linux RAID] [Samba] [Device Mapper] [CEPH Development]