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From: Christoph Hellwig <hch@lst.de>
To: Maxim Levitsky <mlevitsk@redhat.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
	Christoph Hellwig <hch@lst.de>, Keith Busch <kbusch@kernel.org>,
	Jens Axboe <axboe@fb.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	linux-nvme@lists.infradead.org, Paul Pawlowski <paul@mrarm.io>
Subject: Re: [PATCH] nvme: Add support for Apple 2018+ models
Date: Mon, 15 Jul 2019 14:29:53 +0200	[thread overview]
Message-ID: <20190715122953.GB3937@lst.de> (raw)
In-Reply-To: <4caeb954b2fa91445e02bac7ac9610ca886b4dd8.camel@redhat.com>

On Mon, Jul 15, 2019 at 12:28:05PM +0300, Maxim Levitsky wrote:
> 
> To be honest, the spec explicitly states that minimum submission queue entry size is 64 
> and minimum completion entry size should be is 16 bytes for NVM command set:

That doesn't keep Apple from implementing whatever they want and soldering
that down on their MacBook mainboards unfortunately :(

      parent reply	other threads:[~2019-07-15 12:29 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-15  3:43 [PATCH] nvme: Add support for Apple 2018+ models Benjamin Herrenschmidt
2019-07-15  8:10 ` Christoph Hellwig
2019-07-15  8:43   ` Benjamin Herrenschmidt
2019-07-15  9:03     ` Benjamin Herrenschmidt
2019-07-15  9:28       ` Maxim Levitsky
2019-07-15 10:01         ` Benjamin Herrenschmidt
2019-07-15 12:29         ` Christoph Hellwig [this message]

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