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From: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
To: Greg KH <gregkh@linuxfoundation.org>
Cc: linux-kernel@vger.kernel.org, x86@kernel.org,
	linux-sgx@vger.kernel.org, akpm@linux-foundation.org,
	dave.hansen@intel.com, sean.j.christopherson@intel.com,
	nhorman@redhat.com, npmccallum@redhat.com, serge.ayoun@intel.com,
	shay.katz-zamir@intel.com, haitao.huang@intel.com,
	andriy.shevchenko@linux.intel.com, tglx@linutronix.de,
	kai.svahn@intel.com, bp@alien8.de, josh@joshtriplett.org,
	luto@kernel.org, kai.huang@intel.com, rientjes@google.com,
	cedric.xing@intel.com, puiterwijk@redhat.com,
	linux-security-module@vger.kernel.org,
	Suresh Siddha <suresh.b.siddha@intel.com>
Subject: Re: [PATCH v23 12/24] x86/sgx: Linux Enclave Driver
Date: Mon, 9 Dec 2019 21:57:19 +0200
Message-ID: <20191209195719.GH19243@linux.intel.com> (raw)
In-Reply-To: <20191207080939.GA193518@kroah.com>

On Sat, Dec 07, 2019 at 09:09:39AM +0100, Greg KH wrote:
> On Fri, Dec 06, 2019 at 10:38:07PM +0200, Jarkko Sakkinen wrote:
> > > Why a whole cdev?
> > > 
> > > Why not use a misc device?  YOu only have 2 devices right?  Why not 2
> > > misc devices then?  That saves the use of a whole major number and makes
> > > your code a _LOT_ simpler.
> > 
> > The downside would be that if we ever want to add sysfs attributes, that
> > could not be done synchronously with the device creation.
> 
> That is what the groups member of struct misc_device is for.

OK, cool, then there is no problem changing to misc.

I haven't seen misc drivers (not that I've looked through every single
of them so I suppose there are such) to use it and somehow have been
blind to seeing it that it si there.

Thanks again for the feedback. I'll fix this for the next patch set
version.

/Jarkko

  reply index

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20191028210324.12475-1-jarkko.sakkinen@linux.intel.com>
2019-10-28 21:03 ` Jarkko Sakkinen
2019-10-29  9:29   ` Jarkko Sakkinen
2019-10-30  9:30     ` Sean Christopherson
2019-10-31 21:12       ` Jarkko Sakkinen
2019-11-05 11:11         ` Jarkko Sakkinen
2019-11-08  8:20           ` Jarkko Sakkinen
2019-10-30 13:45   ` Stephen Smalley
2019-10-31 21:17     ` Jarkko Sakkinen
2019-11-01 13:16       ` Stephen Smalley
2019-11-01 13:28         ` Stephen Smalley
2019-11-01 15:32           ` Sean Christopherson
2019-11-01 17:16             ` Stephen Smalley
2019-11-08  8:05               ` Jarkko Sakkinen
2019-11-28 18:24   ` Greg KH
2019-12-06 20:38     ` Jarkko Sakkinen
2019-12-07  8:09       ` Greg KH
2019-12-09 19:57         ` Jarkko Sakkinen [this message]
2019-12-23 11:01           ` Jarkko Sakkinen
2019-10-28 21:03 ` [PATCH v23 15/24] x86/sgx: Add provisioning Jarkko Sakkinen

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