From: Christoph Hellwig <hch@lst.de>
To: Ira Weiny <ira.weiny@intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Christoph Hellwig <hch@lst.de>,
linux-kernel@vger.kernel.org
Subject: Re: kmap_local semantics
Date: Thu, 18 Mar 2021 05:36:56 +0100 [thread overview]
Message-ID: <20210318043656.GA26988@lst.de> (raw)
In-Reply-To: <20210318024418.GX3014244@iweiny-DESK2.sc.intel.com>
On Wed, Mar 17, 2021 at 07:44:20PM -0700, Ira Weiny wrote:
> Agreed. I'm Sorry, I did not word the above clearly enough. Let me rephrase
> that.
>
> Christoph, do you anticipate additional need to call kmap and hand the mappings
> to other threads? If not then kmap_local is what you should use. If so, I'd
> like to know why.
No. Just looking into callers that want a mapping and then synchronously
wait for I/O.
prev parent reply other threads:[~2021-03-18 4:37 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-12 6:54 kmap_local semantics Christoph Hellwig
2021-03-12 15:36 ` Ira Weiny
2021-03-17 13:59 ` Thomas Gleixner
2021-03-18 2:44 ` Ira Weiny
2021-03-18 4:36 ` Christoph Hellwig [this message]
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