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From: Florian Weimer <fweimer@redhat.com>
To: Dave Hansen <dave.hansen@intel.com>,
	linux-mm@kvack.org, linux-api@vger.kernel.org,
	linux-x86_64@vger.kernel.org, linux-arch@vger.kernel.org,
	x86@kernel.org
Cc: linuxram@us.ibm.com, Andy Lutomirski <luto@kernel.org>
Subject: Re: [PATCH] pkeys: Introduce PKEY_ALLOC_SIGNALINHERIT and change signal semantics
Date: Mon, 7 May 2018 11:47:10 +0200	[thread overview]
Message-ID: <3cc009e7-84ff-56b4-2751-686772036676@redhat.com> (raw)
In-Reply-To: <4bbb5f76-f2ed-c2b7-9b4c-079a6ddf4da2@intel.com>

On 05/03/2018 12:03 AM, Dave Hansen wrote:
> On 05/02/2018 02:08 PM, Florian Weimer wrote:
>> On 05/02/2018 05:28 PM, Dave Hansen wrote:
>>> The other option here that I think we discussed in the past was to have
>>> an*explicit*A  signal PKRU value.A  That way, we can be restrictive by
>>> default but allow overrides for special cases like you have.
>>
>> That's the patch I posted before (with PKEY_ALLOC_SETSIGNAL).A  I'm
>> afraid we are going in circles.
> 
> Could you remind us why you abandoned that approach and its relative
> merits versus this new approach?

Ram argued for the PKEY_ALLOC_SIGNALINHERIT and no one else objected or 
was interested at the time.  I may have misread the consensus.

I'm not sure what do here.  I tried to submit patches for the two 
suggested approaches, and each one resulted in suggests to implement the 
other semantics instead.

Thanks,
Florian

  reply	other threads:[~2018-05-07  9:47 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-02 13:26 [PATCH] pkeys: Introduce PKEY_ALLOC_SIGNALINHERIT and change signal semantics Florian Weimer
2018-05-02 14:30 ` Dave Hansen
2018-05-02 15:12   ` Florian Weimer
2018-05-02 15:28     ` Dave Hansen
2018-05-02 21:08       ` Florian Weimer
2018-05-02 22:03         ` Dave Hansen
2018-05-07  9:47           ` Florian Weimer [this message]
2018-05-02 17:09     ` Andy Lutomirski
2018-05-02 17:17       ` Florian Weimer
2018-05-02 20:41         ` Andy Lutomirski
2018-05-02 21:06           ` Florian Weimer
2018-05-02 21:23             ` Andy Lutomirski
2018-05-02 22:08               ` Dave Hansen
2018-05-02 22:22                 ` Andy Lutomirski
2018-05-02 22:32                   ` Dave Hansen
2018-05-02 23:32                     ` Andy Lutomirski
2018-05-02 23:58                       ` Dave Hansen
2018-05-03  1:14                         ` Andy Lutomirski
2018-05-03 14:42                           ` Dave Hansen
2018-05-03 14:42                           ` Florian Weimer
2018-05-03  2:10               ` Ram Pai
2018-05-03  4:05                 ` Andy Lutomirski
2018-05-07  9:48                   ` Florian Weimer
2018-05-08  2:49                     ` Andy Lutomirski
2018-05-08 12:40                       ` Florian Weimer
2018-05-09 14:41                         ` Andy Lutomirski
2018-05-14 12:01                           ` Florian Weimer
2018-05-14 15:32                             ` Andy Lutomirski
2018-05-14 15:34                               ` Florian Weimer
2018-05-16 17:01                                 ` Dave Hansen
2018-05-16 20:52                             ` Ram Pai
2018-05-16 20:54                               ` Andy Lutomirski
2018-05-16 20:35                         ` Ram Pai
2018-05-16 20:37                           ` Andy Lutomirski
2018-05-16 21:07                             ` Ram Pai
2018-05-17 10:09                               ` Florian Weimer
2018-05-17 10:11                           ` Florian Weimer
2018-05-03 14:37               ` Florian Weimer
2018-05-02 21:12     ` Ram Pai
2018-05-02 21:18       ` Andy Lutomirski
2018-05-02 23:38         ` Ram Pai
2018-05-07  9:47           ` Florian Weimer
2018-05-07  9:43         ` Florian Weimer

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