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From: Thomas Gleixner <tglx@linutronix.de>
To: peterz@infradead.org, Josh Poimboeuf <jpoimboe@redhat.com>
Cc: x86@kernel.org, linux-kernel@vger.kernel.org, mbenes@suse.cz
Subject: Re: [PATCH] objtool,x86: Verify poke_int3_handler() is self contained
Date: Mon, 27 Jul 2020 22:56:03 +0200	[thread overview]
Message-ID: <87eeowbrto.fsf@nanos.tec.linutronix.de> (raw)
In-Reply-To: <20200727104050.GH119549@hirez.programming.kicks-ass.net>

peterz@infradead.org writes:
> Abuse the SMAP rules to ensure poke_int3_handler() doesn't call out to
> anything.

Yuck. Isn't that what noinstr is for or am I missing something?

Thanks,

        tglx



  parent reply	other threads:[~2020-07-27 20:56 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-27 10:40 [PATCH] objtool,x86: Verify poke_int3_handler() is self contained peterz
2020-07-27 11:21 ` Ingo Molnar
2020-07-27 12:50   ` peterz
2020-07-27 13:11     ` Ingo Molnar
2020-07-27 20:56 ` Thomas Gleixner [this message]
2020-07-28  8:34   ` peterz

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