Re: [PATCH] RDMA/siw: Reuse value read using READ_ONCE instead of re-reading it

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

Subject: Re: [PATCH] RDMA/siw: Reuse value read using READ_ONCE instead of re-reading it
From: linke li <lilinke99@xxxxxx>
Date: Sun, 10 Mar 2024 20:15:25 +0800
Cc: bmt@xxxxxxxxxxxxxx, jgg@xxxxxxxx, lilinke99@xxxxxx, linux-kernel@xxxxxxxxxxxxxxx, linux-rdma@xxxxxxxxxxxxxxx
In-reply-to: <20240310113306.GF12921@unreal>
References: <20240310113306.GF12921@unreal>

I want to emphasize that if the value of orqe->flags has changed by the
time of the second read, the value read will not satisfy the if condition,
causing inconsistency. Given that there is already a READ_ONCE.

Follow-Ups:
- Re: [PATCH] RDMA/siw: Reuse value read using READ_ONCE instead of re-reading it
  - From: Leon Romanovsky

References:
- Re: [PATCH] RDMA/siw: Reuse value read using READ_ONCE instead of re-reading it
  - From: Leon Romanovsky

Prev by Date: Re: [PATCH] RDMA/siw: Reuse value read using READ_ONCE instead of re-reading it
Next by Date: Re: [PATCH] RDMA/siw: Reuse value read using READ_ONCE instead of re-reading it
Previous by thread: Re: [PATCH] RDMA/siw: Reuse value read using READ_ONCE instead of re-reading it
Next by thread: Re: [PATCH] RDMA/siw: Reuse value read using READ_ONCE instead of re-reading it
Index(es):
- Date
- Thread

[Index of Archives] [Linux USB Devel] [Video for Linux] [Linux Audio Users] [Photo] [Yosemite News] [Yosemite Photos] [Linux Kernel] [Linux SCSI] [XFree86]

Powered by Linux