From: Thomas Gleixner <tglx@linutronix.de>
To: Andrei Vagin <avagin@gmail.com>,
Catalin Marinas <catalin.marinas@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
Dmitry Safonov <dima@arista.com>,
linux-kernel@vger.kernel.org,
Christian Brauner <christian.brauner@ubuntu.com>,
Vincenzo Frascino <vincenzo.frascino@arm.com>,
Will Deacon <will@kernel.org>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v5 0/6] arm64: add the time namespace support
Date: Thu, 23 Jul 2020 22:25:35 +0200 [thread overview]
Message-ID: <87d04mvv0g.fsf@nanos.tec.linutronix.de> (raw)
In-Reply-To: <20200723174140.GA3991167@gmail.com>
Andrei Vagin <avagin@gmail.com> writes:
> On Wed, Jul 22, 2020 at 07:15:06PM +0100, Catalin Marinas wrote:
>
> I don't think that we need to handle this case in the kernel. Users
> must understand what they are doing and have to write code so that avoid
> these sort of situations. In general, I would say that in most cases it
> is a bad idea to call setns from a signal handler.
This should not be supported in the first place and just let the
offender die right there.
Thanks,
tglx
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next prev parent reply other threads:[~2020-07-23 20:27 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-24 8:33 [PATCH v5 0/6] arm64: add the time namespace support Andrei Vagin
2020-06-24 8:33 ` [PATCH 1/6] arm64/vdso: use the fault callback to map vvar pages Andrei Vagin
[not found] ` <159561069973.19270.10637845392621633755.b4-ty@arm.com>
2020-07-27 6:45 ` Andrei Vagin
2020-06-24 8:33 ` [PATCH 2/6] arm64/vdso: Zap vvar pages when switching to a time namespace Andrei Vagin
2020-06-24 15:18 ` Christian Brauner
2020-06-25 8:25 ` Andrei Vagin
2020-06-24 8:33 ` [PATCH 3/6] arm64/vdso: Add time namespace page Andrei Vagin
2020-06-24 8:33 ` [PATCH 4/6] arm64/vdso: Handle faults on timens page Andrei Vagin
2020-06-24 8:33 ` [PATCH 5/6] arm64/vdso: Restrict splitting VVAR VMA Andrei Vagin
2020-06-24 8:33 ` [PATCH 6/6] arm64: enable time namespace support Andrei Vagin
2020-07-05 6:40 ` [PATCH v5 0/6] arm64: add the " Andrei Vagin
2020-07-14 1:57 ` Andrei Vagin
2020-07-22 18:15 ` Catalin Marinas
2020-07-23 17:41 ` Andrei Vagin
2020-07-23 20:25 ` Thomas Gleixner [this message]
2020-07-24 11:01 ` Catalin Marinas
2020-07-24 13:22 ` Thomas Gleixner
2020-07-24 13:30 ` Christian Brauner
2020-07-24 14:40 ` Catalin Marinas
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