From: Florian Weimer <fweimer@redhat.com>
To: Ram Pai <linuxram@us.ibm.com>, Andy Lutomirski <luto@amacapital.net>
Cc: linux-arch <linux-arch@vger.kernel.org>,
Linux-MM <linux-mm@kvack.org>,
Linux API <linux-api@vger.kernel.org>, X86 ML <x86@kernel.org>,
Dave Hansen <dave.hansen@intel.com>,
linux-x86_64@vger.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
WARNING: multiple messages have this Message-ID (diff)
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)
Message-ID: <20180507094717.4Bt3yXQOer4QoDunAX7B_pAobK69ha4W-s7ri4stZfg@z> (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
next prev parent reply other threads:[~2018-05-07 9:47 UTC|newest]
Thread overview: 72+ 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 15:12 ` Florian Weimer
2018-05-02 15:28 ` Dave Hansen
2018-05-02 15:28 ` Dave Hansen
2018-05-02 21:08 ` Florian Weimer
2018-05-02 22:03 ` Dave Hansen
2018-05-02 22:03 ` Dave Hansen
2018-05-07 9:47 ` Florian Weimer
2018-05-07 9:47 ` Florian Weimer
2018-05-02 17:09 ` Andy Lutomirski
2018-05-02 17:17 ` Florian Weimer
2018-05-02 17:17 ` Florian Weimer
2018-05-02 20:41 ` Andy Lutomirski
2018-05-02 21:06 ` Florian Weimer
2018-05-02 21:06 ` 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
2018-05-02 23:58 ` Dave Hansen
2018-05-03 1:14 ` Andy Lutomirski
2018-05-03 14:42 ` Dave Hansen
2018-05-03 14:42 ` Dave Hansen
2018-05-03 14:42 ` Florian Weimer
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 2:49 ` Andy Lutomirski
2018-05-08 12:40 ` Florian Weimer
2018-05-08 12:40 ` Florian Weimer
2018-05-09 14:41 ` Andy Lutomirski
2018-05-09 14:41 ` Andy Lutomirski
2018-05-14 12:01 ` Florian Weimer
2018-05-14 12:01 ` Florian Weimer
2018-05-14 15:32 ` Andy Lutomirski
2018-05-14 15:32 ` Andy Lutomirski
2018-05-14 15:32 ` Andy Lutomirski
2018-05-14 15:34 ` Florian Weimer
2018-05-14 15:34 ` Florian Weimer
2018-05-14 15:34 ` Florian Weimer
2018-05-16 17:01 ` Dave Hansen
2018-05-16 17:01 ` Dave Hansen
2018-05-16 17:01 ` Dave Hansen
2018-05-16 20:52 ` Ram Pai
2018-05-16 20:52 ` Ram Pai
2018-05-16 20:54 ` Andy Lutomirski
2018-05-16 20:54 ` Andy Lutomirski
2018-05-16 20:35 ` Ram Pai
2018-05-16 20:35 ` Ram Pai
2018-05-16 20:37 ` Andy Lutomirski
2018-05-16 20:37 ` Andy Lutomirski
2018-05-16 21:07 ` Ram Pai
2018-05-16 21:07 ` Ram Pai
2018-05-17 10:09 ` Florian Weimer
2018-05-17 10:09 ` Florian Weimer
2018-05-17 10:11 ` 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 21:12 ` Ram Pai
2018-05-02 21:18 ` Andy Lutomirski
2018-05-02 23:38 ` Ram Pai
2018-05-02 23:38 ` Ram Pai
2018-05-07 9:47 ` Florian Weimer [this message]
2018-05-07 9:47 ` Florian Weimer
2018-05-07 9:43 ` Florian Weimer
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