From: Christoph Hellwig <hch@infradead.org>
To: Yee Li <seven.yi.lee@gmail.com>
Cc: Christoph Hellwig <hch@infradead.org>,
Dan Williams <dan.j.williams@intel.com>,
linux-cxl@vger.kernel.org
Subject: Re: Is there any plan to support CXL GPF in Linux
Date: Tue, 9 Jul 2024 00:35:55 -0700 [thread overview]
Message-ID: <ZozoWwm2v246szTu@infradead.org> (raw)
In-Reply-To: <CALX8JfQwCFsF4AvCwiui_7J08j41jJiSTLMVCQTx++EseguEdg@mail.gmail.com>
On Tue, Jul 09, 2024 at 03:22:53PM +0800, Yee Li wrote:
> As I know, for cxl pmem, the DRAM cache is very large (even equal to
> NAND flash). The data is stored in the DRAM cache. Data sync during
> power loss or some sync operations. Data is stored in the DRAM cache
> for most of the time.
If the device can't provide enough power on it's own to take care of
the DRAM flushing then it's simply broken. All these details are
something the manufacturer needs to take care off.
next prev parent reply other threads:[~2024-07-09 7:35 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-06-27 8:28 Is there any plan to support CXL GPF in Linux Yee Li
2024-07-09 0:42 ` Dan Williams
2024-07-09 6:06 ` Christoph Hellwig
2024-07-09 7:22 ` Yee Li
2024-07-09 7:35 ` Christoph Hellwig [this message]
2024-07-09 9:31 ` Yee Li
2024-07-09 19:13 ` Dan Williams
2024-07-10 3:46 ` Yee Li
2024-07-09 18:33 ` Dan Williams
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