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From: Greg KH <gregkh@linuxfoundation.org>
To: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
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: Sat, 7 Dec 2019 09:09:39 +0100
Message-ID: <20191207080939.GA193518@kroah.com> (raw)
In-Reply-To: <20191206203807.GA9971@linux.intel.com>

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.

greg k-h


  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 [this message]
2019-12-09 19:57         ` Jarkko Sakkinen
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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