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From: Mimi Zohar <zohar@linux.ibm.com>
To: Lakshmi Ramasubramanian <nramas@linux.microsoft.com>,
	linux-integrity@vger.kernel.org
Cc: eric.snowberg@oracle.com, dhowells@redhat.com,
	mathew.j.martineau@linux.intel.com, matthewgarrett@google.com,
	sashal@kernel.org, jamorris@linux.microsoft.com,
	linux-kernel@vger.kernel.org, keyrings@vger.kernel.org
Subject: Re: [PATCH v4 1/2] IMA: Define workqueue for early boot "key" measurements
Date: Tue, 17 Dec 2019 10:54:24 +0000	[thread overview]
Message-ID: <1576580064.4579.374.camel@linux.ibm.com> (raw)
In-Reply-To: <0223b52e-50d6-ebce-840c-0364b24b1b30@linux.microsoft.com>

On Mon, 2019-12-16 at 15:44 -0800, Lakshmi Ramasubramanian wrote:
> On 12/16/2019 4:30 AM, Mimi Zohar wrote:
> 
> >> +
> >> +		if (!list_empty(&ima_keys)) {
> >> +			list_for_each_entry_safe(entry, tmp, &ima_keys, list)
> >> +				list_move_tail(&entry->list, &temp_ima_keys);
> >> +			process = true;
> >> +		}
> >> +	}
> >> +
> >> +	mutex_unlock(&ima_keys_mutex);
> >> +
> >> +	if (!process)
> >> +		return;
> > 
> > The new changes - checking if the list is empty and this test - are
> > unnecessary, as you implied earlier.
> > 
> > Mimi
> 
> Do you want me to remove this check? I feel it is safer to have this 
> check - use a local flag "process" to return if no keys were moved to 
> the temp list. Would like to leave it as is - if you don't mind.

Sure
  

WARNING: multiple messages have this Message-ID (diff)
From: Mimi Zohar <zohar@linux.ibm.com>
To: Lakshmi Ramasubramanian <nramas@linux.microsoft.com>,
	linux-integrity@vger.kernel.org
Cc: eric.snowberg@oracle.com, dhowells@redhat.com,
	mathew.j.martineau@linux.intel.com, matthewgarrett@google.com,
	sashal@kernel.org, jamorris@linux.microsoft.com,
	linux-kernel@vger.kernel.org, keyrings@vger.kernel.org
Subject: Re: [PATCH v4 1/2] IMA: Define workqueue for early boot "key" measurements
Date: Tue, 17 Dec 2019 05:54:24 -0500	[thread overview]
Message-ID: <1576580064.4579.374.camel@linux.ibm.com> (raw)
In-Reply-To: <0223b52e-50d6-ebce-840c-0364b24b1b30@linux.microsoft.com>

On Mon, 2019-12-16 at 15:44 -0800, Lakshmi Ramasubramanian wrote:
> On 12/16/2019 4:30 AM, Mimi Zohar wrote:
> 
> >> +
> >> +		if (!list_empty(&ima_keys)) {
> >> +			list_for_each_entry_safe(entry, tmp, &ima_keys, list)
> >> +				list_move_tail(&entry->list, &temp_ima_keys);
> >> +			process = true;
> >> +		}
> >> +	}
> >> +
> >> +	mutex_unlock(&ima_keys_mutex);
> >> +
> >> +	if (!process)
> >> +		return;
> > 
> > The new changes - checking if the list is empty and this test - are
> > unnecessary, as you implied earlier.
> > 
> > Mimi
> 
> Do you want me to remove this check? I feel it is safer to have this 
> check - use a local flag "process" to return if no keys were moved to 
> the temp list. Would like to leave it as is - if you don't mind.

Sure
  


  reply	other threads:[~2019-12-17 10:54 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-13 17:18 [PATCH v4 0/2] IMA: Deferred measurement of keys Lakshmi Ramasubramanian
2019-12-13 17:18 ` Lakshmi Ramasubramanian
2019-12-13 17:18 ` [PATCH v4 1/2] IMA: Define workqueue for early boot "key" measurements Lakshmi Ramasubramanian
2019-12-13 17:18   ` Lakshmi Ramasubramanian
2019-12-16 12:30   ` Mimi Zohar
2019-12-16 12:30     ` Mimi Zohar
2019-12-16 23:44     ` Lakshmi Ramasubramanian
2019-12-16 23:44       ` Lakshmi Ramasubramanian
2019-12-17 10:54       ` Mimi Zohar [this message]
2019-12-17 10:54         ` Mimi Zohar
2019-12-13 17:18 ` [PATCH v4 2/2] IMA: Call workqueue functions to measure queued keys Lakshmi Ramasubramanian
2019-12-13 17:18   ` Lakshmi Ramasubramanian
2019-12-13 17:25   ` James Bottomley
2019-12-13 17:25     ` James Bottomley
2019-12-13 17:31     ` Lakshmi Ramasubramanian
2019-12-13 17:31       ` Lakshmi Ramasubramanian
2019-12-15 15:22       ` James Bottomley
2019-12-15 15:22         ` James Bottomley
2019-12-16  1:12         ` Lakshmi Ramasubramanian
2019-12-16  1:12           ` Lakshmi Ramasubramanian
2019-12-16  6:53           ` James Bottomley
2019-12-16  6:53             ` James Bottomley
2019-12-16 13:05             ` Mimi Zohar
2019-12-16 13:05               ` Mimi Zohar
2019-12-16 19:20             ` Lakshmi Ramasubramanian
2019-12-16 19:20               ` Lakshmi Ramasubramanian
2019-12-16 21:17               ` James Bottomley
2019-12-16 21:17                 ` James Bottomley
2019-12-16 21:37                 ` Lakshmi Ramasubramanian
2019-12-16 21:37                   ` Lakshmi Ramasubramanian
2019-12-16 21:52                   ` Lakshmi Ramasubramanian
2019-12-16 21:52                     ` Lakshmi Ramasubramanian
2019-12-17 22:22                     ` Lakshmi Ramasubramanian
2019-12-17 22:22                       ` Lakshmi Ramasubramanian
2019-12-18  2:01                       ` James Bottomley
2019-12-18  2:01                         ` James Bottomley
2019-12-18  2:44                         ` Lakshmi Ramasubramanian
2019-12-18  2:44                           ` Lakshmi Ramasubramanian
2019-12-18  2:59                           ` Lakshmi Ramasubramanian
2019-12-18  3:00                             ` Lakshmi Ramasubramanian
2019-12-18  3:24                             ` James Bottomley
2019-12-18  3:24                               ` James Bottomley

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