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From: Florian Weimer <fweimer@redhat.com>
To: Ram Pai <linuxram@us.ibm.com>, Andy Lutomirski <luto@amacapital.net>
Cc: Dave Hansen <dave.hansen@intel.com>,
	Linux-MM <linux-mm@kvack.org>,
	Linux API <linux-api@vger.kernel.org>,
	linux-x86_64@vger.kernel.org,
	linux-arch <linux-arch@vger.kernel.org>, X86 ML <x86@kernel.org>,
	linuxppc-dev@lists.ozlabs.org
Subject: Re: [PATCH] pkeys: Introduce PKEY_ALLOC_SIGNALINHERIT and change signal semantics
Date: Mon, 7 May 2018 11:47:17 +0200	[thread overview]
Message-ID: <0bd6584e-f520-9e2d-8adb-f79d3d7e9340@redhat.com> (raw)
In-Reply-To: <20180502233848.GB5863@ram.oc3035372033.ibm.com>

On 05/03/2018 01:38 AM, Ram Pai wrote:
> This is a new requirement that I was not aware off. Its not documented
> anywhere AFAICT.

Correct.  All inheritance behavior was deliberately left unspecified.

I'm surprised about the reluctance to fix the x86 behavior.  Are there 
any applications at all for the current semantics?

I guess I can implement this particular glibc hardening on POWER only 
for now.

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
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 [this message]
2018-05-07  9:43         ` Florian Weimer

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