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From: Boaz Harrosh <boaz@plexistor.com>
To: Andy Lutomirski <luto@amacapital.net>, Boaz Harrosh <boaz@plexistor.com>
Cc: Matthew Wilcox <willy@linux.intel.com>,
	Ross Zwisler <ross.zwisler@linux.intel.com>,
	Thomas Gleixner <tglx@linutronix.de>, X86 ML <x86@kernel.org>,
	Dan Williams <dan.j.williams@intel.com>,
	"Roger C. Pao" <rcpao.enmotus@gmail.com>,
	Ingo Molnar <mingo@redhat.com>,
	linux-nvdimm <linux-nvdimm@lists.01.org>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Christoph Hellwig <hch@infradead.org>
Subject: Re: [PATCH 1/8] pmem: Initial version of persistent memory driver
Date: Mon, 09 Mar 2015 14:20:42 +0200	[thread overview]
Message-ID: <54FD901A.3030905@plexistor.com> (raw)
In-Reply-To: <CALCETrXsQsoa0qfzM-o+kz6Af2EtvJR7Er6OwxjZ5JegMYxpFg@mail.gmail.com>

On 03/06/2015 01:03 AM, Andy Lutomirski wrote:
<>
> 
> I think it would be nice to have control over the caching mode.
> Depending on the application, WT or UC could make more sense.
> 

Patches are welcome. say
	map=sss@aaa:WT,sss@aaa:CA, ...

But for us, with direct_access(), all benchmarks show a slight advantage
for the cached mode.

Thanks
Boaz


WARNING: multiple messages have this Message-ID (diff)
From: Boaz Harrosh <boaz@plexistor.com>
To: Andy Lutomirski <luto@amacapital.net>, Boaz Harrosh <boaz@plexistor.com>
Cc: Matthew Wilcox <willy@linux.intel.com>,
	Ross Zwisler <ross.zwisler@linux.intel.com>,
	Thomas Gleixner <tglx@linutronix.de>, X86 ML <x86@kernel.org>,
	Dan Williams <dan.j.williams@intel.com>,
	"Roger C. Pao" <rcpao.enmotus@gmail.com>,
	Ingo Molnar <mingo@redhat.com>,
	linux-nvdimm <linux-nvdimm@ml01.01.org>,
	linux-kernel <linux-kernel@vger.kernel.org>,
	"H. Peter Anvin" <hpa@zytor.com>,
	Christoph Hellwig <hch@infradead.org>
Subject: Re: [PATCH 1/8] pmem: Initial version of persistent memory driver
Date: Mon, 09 Mar 2015 14:20:42 +0200	[thread overview]
Message-ID: <54FD901A.3030905@plexistor.com> (raw)
In-Reply-To: <CALCETrXsQsoa0qfzM-o+kz6Af2EtvJR7Er6OwxjZ5JegMYxpFg@mail.gmail.com>

On 03/06/2015 01:03 AM, Andy Lutomirski wrote:
<>
> 
> I think it would be nice to have control over the caching mode.
> Depending on the application, WT or UC could make more sense.
> 

Patches are welcome. say
	map=sss@aaa:WT,sss@aaa:CA, ...

But for us, with direct_access(), all benchmarks show a slight advantage
for the cached mode.

Thanks
Boaz


  reply	other threads:[~2015-03-09 12:20 UTC|newest]

Thread overview: 83+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-03-05 10:16 [PATCH 0/3 v5] e820: Fix handling of NvDIMM chips Boaz Harrosh
2015-03-05 10:16 ` Boaz Harrosh
2015-03-05 10:20 ` [PATCH 1/3] e820: Don't let unknown DIMM type come out BUSY Boaz Harrosh
2015-03-05 10:20   ` Boaz Harrosh
2015-03-05 20:41   ` Dan Williams
2015-03-05 20:41     ` Dan Williams
2015-03-09 10:54     ` Boaz Harrosh
2015-03-09 10:54       ` Boaz Harrosh
2015-03-05 10:21 ` [PATCH 2/3] resource: Add new flag IORESOURCE_MEM_WARN Boaz Harrosh
2015-03-05 10:21   ` Boaz Harrosh
2015-03-05 10:24 ` [PATCH 3/3] e820: Add the unknown-12 Memory type (DDR3-NvDIMM) Boaz Harrosh
2015-03-05 10:24   ` Boaz Harrosh
2015-03-05 20:56   ` Dan Williams
2015-03-05 20:56     ` Dan Williams
2015-03-05 23:09     ` Andy Lutomirski
2015-03-05 23:09       ` Andy Lutomirski
2015-03-09 12:10       ` Boaz Harrosh
2015-03-09 12:10         ` Boaz Harrosh
2015-03-10  5:11         ` joeyli
2015-03-10  5:11           ` joeyli
2015-03-10  8:56           ` Boaz Harrosh
2015-03-10  8:56             ` Boaz Harrosh
2015-03-10 13:19           ` Andy Lutomirski
2015-03-10 13:19             ` Andy Lutomirski
2015-03-09 11:19     ` Boaz Harrosh
2015-03-09 11:19       ` Boaz Harrosh
2015-03-09 14:44       ` Dan Williams
2015-03-09 14:44         ` Dan Williams
2015-03-09 15:14         ` Andy Lutomirski
2015-03-09 15:14           ` Andy Lutomirski
2015-03-09 15:17           ` Dan Williams
2015-03-09 15:17             ` Dan Williams
2015-03-10  8:47             ` Boaz Harrosh
2015-03-10  8:47               ` Boaz Harrosh
2015-03-05 10:32 ` [RFC 0/8] pmem: Submission of the Persistent memory block device Boaz Harrosh
2015-03-05 10:32   ` Boaz Harrosh
2015-03-05 11:55   ` [PATCH 1/8] pmem: Initial version of persistent memory driver Boaz Harrosh
2015-03-05 11:55     ` Boaz Harrosh
2015-03-05 20:35     ` Paul Bolle
2015-03-05 20:35       ` Paul Bolle
2015-03-05 23:03     ` Andy Lutomirski
2015-03-05 23:03       ` Andy Lutomirski
2015-03-09 12:20       ` Boaz Harrosh [this message]
2015-03-09 12:20         ` Boaz Harrosh
2015-03-18 18:06         ` Andy Lutomirski
2015-03-18 18:06           ` Andy Lutomirski
2015-03-26  4:00           ` Elliott, Robert (Server Storage)
2015-03-26  4:00             ` Elliott, Robert (Server Storage)
2015-03-26  7:51             ` Boaz Harrosh
2015-03-26  7:51               ` Boaz Harrosh
2015-03-26 21:31             ` Dave Chinner
2015-03-26 21:31               ` Dave Chinner
2015-03-18 17:43     ` Ross Zwisler
2015-03-18 17:43       ` Ross Zwisler
2015-03-19  9:24       ` Boaz Harrosh
2015-03-19  9:24         ` Boaz Harrosh
2015-03-20  0:11         ` Dan Williams
2015-03-20  0:11           ` Dan Williams
2015-03-05 11:55   ` [PATCH 2/8] pmem: KISS, remove register_blkdev Boaz Harrosh
2015-03-05 11:55     ` Boaz Harrosh
2015-03-05 11:56   ` [PATCH 3/8] pmem: Add support for rw_page() Boaz Harrosh
2015-03-05 11:56     ` Boaz Harrosh
2015-03-05 11:57   ` [PATCH 4/8] pmem: Add support for direct_access() Boaz Harrosh
2015-03-05 11:57     ` Boaz Harrosh
2015-03-05 11:58   ` [PATCH 5/8] mm: Let sparse_{add,remove}_one_section receive a node_id Boaz Harrosh
2015-03-05 11:58     ` Boaz Harrosh
2015-03-06 18:43     ` Ross Zwisler
2015-03-06 18:43       ` Ross Zwisler
2015-03-05 11:59   ` [PATCH 6/8] mm: New add_persistent_memory/remove_persistent_memory Boaz Harrosh
2015-03-05 11:59     ` Boaz Harrosh
2015-03-05 11:59   ` [PATCH 7/8] pmem: Add support for page structs Boaz Harrosh
2015-03-05 11:59     ` Boaz Harrosh
2015-03-23 20:59     ` Dan Williams
2015-03-23 20:59       ` Dan Williams
2015-03-05 12:01   ` [PATCH 8/8] OUT-OF-TREE: pmem: Allow request_mem to fail (BLK_DEV_PMEM_IGNORE_REQUEST_MEM_RET) Boaz Harrosh
2015-03-05 12:01     ` Boaz Harrosh
2015-03-06 18:37   ` [RFC 0/8] pmem: Submission of the Persistent memory block device Ross Zwisler
2015-03-06 18:37     ` Ross Zwisler
2015-03-07  1:39     ` Christoph Hellwig
2015-03-09 12:41     ` Boaz Harrosh
2015-03-09 12:41       ` Boaz Harrosh
2015-03-05 22:48 ` [PATCH 0/3 v5] e820: Fix handling of NvDIMM chips H. Peter Anvin
2015-03-05 23:06   ` Andy Lutomirski

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