linux-kernel - RE: [RFC] #MC mess

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <3908561D78D1C84285E8C5FCA982C28F7F57B937@ORSMSX115.amr.corp.intel.com>
Date:   Tue, 18 Feb 2020 18:20:38 +0000
From:   "Luck, Tony" <tony.luck@...el.com>
To:     Borislav Petkov <bp@...en8.de>,
        Peter Zijlstra <peterz@...radead.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Andy Lutomirski <luto@...nel.org>
CC:     x86-ml <x86@...nel.org>, lkml <linux-kernel@...r.kernel.org>
Subject: RE: [RFC] #MC mess

> Anything else I'm missing? It is likely...

+	hw_breakpoint_disable();
+	static_key_disable(&__tracepoint_read_msr.key);
+	tracing_off();
+
 	ist_enter(regs);

How about some code to turn all those back on for a recoverable (where we actually recovered) #MC?

-Tony