From: Florian Weimer <fweimer@redhat.com>
To: Andy Lutomirski <luto@amacapital.net>, linuxram@us.ibm.com
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>
Subject: Re: [PATCH] pkeys: Introduce PKEY_ALLOC_SIGNALINHERIT and change signal semantics
Date: Mon, 7 May 2018 11:43:40 +0200 [thread overview]
Message-ID: <c0288ca0-4f8f-9a38-550f-f6bbfb5a91cf@redhat.com> (raw)
In-Reply-To: <CALCETrUfO=vXg5rT-n=y8pLktcq5+ORvgpsOXCHG4GaugB3k2A@mail.gmail.com>
On 05/02/2018 11:18 PM, Andy Lutomirski wrote:
> I don't know about POWER's ISA, but this is crappy behavior. If a thread
> temporarily grants itself access to a restrictive memory key and then gets
> a signal, the signal handler should*not* have access to that key.
Sorry, that totally depends on what the signal handler does, especially
for synchronously delivered signals.
Thanks,
Florian
prev parent reply other threads:[~2018-05-07 9:43 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
2018-05-07 9:43 ` Florian Weimer [this message]
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