From: Linus Torvalds <torvalds@linux-foundation.org>
To: Peter Zijlstra <peterz@infradead.org>
Cc: Andy Lutomirski <luto@amacapital.net>,
Ingo Molnar <mingo@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
"H. Peter Anvin" <hpa@zytor.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [RFC][PATCH] x86: Verify access_ok() context
Date: Tue, 22 Nov 2016 11:42:19 -0800 [thread overview]
Message-ID: <CA+55aFzUq8uqsJyZRdNy4Rt11L561YcahwtTkHNU3Y2LeXGJEw@mail.gmail.com> (raw)
In-Reply-To: <20161122193720.GA3045@worktop.programming.kicks-ass.net>
On Tue, Nov 22, 2016 at 11:37 AM, Peter Zijlstra <peterz@infradead.org> wrote:
>
> CONFIG_DEBUG_VM seems somehow inappropriate.
The usual might_fault() logic? That uses
defined(CONFIG_PROVE_LOCKING) || defined(CONFIG_DEBUG_ATOMIC_SLEEP)
(and "might_sleep()" uses just CONFIG_DEBUG_ATOMIC_SLEEP, maybe that's fine).
Linus
next prev parent reply other threads:[~2016-11-22 19:42 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-22 9:57 [RFC][PATCH] x86: Verify access_ok() context Peter Zijlstra
2016-11-22 17:28 ` Andy Lutomirski
2016-11-22 19:37 ` Peter Zijlstra
2016-11-22 19:42 ` Linus Torvalds [this message]
2016-12-05 10:27 ` Peter Zijlstra
2017-01-16 20:27 ` David Smith
2017-01-16 21:14 ` Thomas Gleixner
2017-01-18 22:16 ` David Smith
2017-01-19 0:19 ` Andy Lutomirski
2017-01-19 15:37 ` David Smith
2017-01-20 8:24 ` Peter Zijlstra
2017-01-20 8:50 ` Thomas Gleixner
2017-01-19 18:12 ` Thomas Gleixner
2017-01-19 20:22 ` Frank Ch. Eigler
2017-01-19 20:50 ` Thomas Gleixner
2017-01-19 21:27 ` Frank Ch. Eigler
2017-01-19 22:20 ` Peter Zijlstra
2017-01-19 23:04 ` Thomas Gleixner
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