From: Andy Lutomirski <luto@kernel.org>
To: Thomas Gleixner <tglx@linutronix.de>
Cc: LKML <linux-kernel@vger.kernel.org>, X86 ML <x86@kernel.org>,
"Paul E. McKenney" <paulmck@kernel.org>,
Andy Lutomirski <luto@kernel.org>,
Alexandre Chartre <alexandre.chartre@oracle.com>,
Frederic Weisbecker <frederic@kernel.org>,
Paolo Bonzini <pbonzini@redhat.com>,
Sean Christopherson <sean.j.christopherson@intel.com>,
Masami Hiramatsu <mhiramat@kernel.org>,
Petr Mladek <pmladek@suse.com>,
Steven Rostedt <rostedt@goodmis.org>,
Joel Fernandes <joel@joelfernandes.org>,
Boris Ostrovsky <boris.ostrovsky@oracle.com>,
Juergen Gross <jgross@suse.com>, Brian Gerst <brgerst@gmail.com>,
Mathieu Desnoyers <mathieu.desnoyers@efficios.com>,
Josh Poimboeuf <jpoimboe@redhat.com>,
Will Deacon <will@kernel.org>
Subject: Re: [patch V4 part 4 22/24] x86/mce: Address objtools noinstr complaints
Date: Thu, 14 May 2020 22:40:07 -0700 [thread overview]
Message-ID: <CALCETrWszss=vrJ0LMmewMAu8PgBh8ejrMcK4jftjDrqREiPYQ@mail.gmail.com> (raw)
In-Reply-To: <20200505135315.476734898@linutronix.de>
On Tue, May 5, 2020 at 7:16 AM Thomas Gleixner <tglx@linutronix.de> wrote:
>
> Mark the relevant functions noinstr, use the plain non-instrumented MSR
> accessors. The only odd part is the instr_begin()/end() pair around the
> indirect machine_check_vector() call as objtool can't figure that out. The
> possible invoked functions are annotated correctly.
Acked-by: Andy Lutomirski <luto@kernel.org>
next prev parent reply other threads:[~2020-05-15 5:40 UTC|newest]
Thread overview: 94+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-05 13:49 [patch V4 part 4 00/24] x86/entry: Entry/exception code rework, nasty exceptions Thomas Gleixner
2020-05-05 13:49 ` [patch V4 part 4 01/24] x86/int3: Ensure that poke_int3_handler() is not traced Thomas Gleixner
2020-05-14 4:57 ` Andy Lutomirski
2020-05-19 19:58 ` [tip: x86/entry] " tip-bot2 for Thomas Gleixner
2020-05-05 13:49 ` [patch V4 part 4 02/24] x86/int3: Avoid atomic instrumentation Thomas Gleixner
2020-05-08 13:27 ` Masami Hiramatsu
2020-05-14 4:57 ` Andy Lutomirski
2020-05-14 9:32 ` Peter Zijlstra
2020-05-14 12:51 ` Thomas Gleixner
2020-05-14 13:15 ` Peter Zijlstra
2020-05-14 14:55 ` Andy Lutomirski
2020-05-14 15:06 ` Thomas Gleixner
2020-05-14 15:08 ` Andy Lutomirski
2020-05-14 15:10 ` Peter Zijlstra
2020-05-19 19:58 ` [tip: x86/entry] " tip-bot2 for Peter Zijlstra
2020-05-05 13:49 ` [patch V4 part 4 03/24] lib/bsearch: Provide __always_inline variant Thomas Gleixner
2020-05-14 4:58 ` Andy Lutomirski
2020-05-19 19:58 ` [tip: x86/entry] " tip-bot2 for Peter Zijlstra
2020-05-05 13:49 ` [patch V4 part 4 04/24] x86/int3: Inline bsearch() Thomas Gleixner
2020-05-14 4:58 ` Andy Lutomirski
2020-05-19 19:58 ` [tip: x86/entry] " tip-bot2 for Peter Zijlstra
2020-05-05 13:49 ` [patch V4 part 4 05/24] x86/entry: Provide IDTENTRY_RAW Thomas Gleixner
2020-05-14 4:59 ` Andy Lutomirski
2020-05-19 19:58 ` [tip: x86/entry] x86/idtentry: " tip-bot2 for Thomas Gleixner
2020-05-05 13:49 ` [patch V4 part 4 06/24] x86/entry: Convert INT3 exception to IDTENTRY_RAW Thomas Gleixner
2020-05-14 5:01 ` Andy Lutomirski
2020-05-19 19:58 ` [tip: x86/entry] " tip-bot2 for Thomas Gleixner
2020-05-05 13:49 ` [patch V4 part 4 07/24] x86/traps: Split int3 handler up Thomas Gleixner
2020-05-14 5:03 ` Andy Lutomirski
2020-05-14 9:39 ` Peter Zijlstra
2020-05-19 19:58 ` [tip: x86/entry] " tip-bot2 for Peter Zijlstra
2020-05-05 13:49 ` [patch V4 part 4 08/24] x86/entry: Provide IDTENTRY_IST Thomas Gleixner
2020-05-14 16:39 ` Andy Lutomirski
2020-05-14 18:44 ` Thomas Gleixner
2020-05-19 19:58 ` [tip: x86/entry] x86/idtentry: " tip-bot2 for Thomas Gleixner
2020-05-05 13:49 ` [patch V4 part 4 09/24] x86/mce: Move nmi_enter/exit() into the entry point Thomas Gleixner
2020-05-15 5:23 ` Andy Lutomirski
2020-05-19 19:58 ` [tip: x86/entry] " tip-bot2 for Thomas Gleixner
2020-05-05 13:49 ` [patch V4 part 4 10/24] x86/entry: Convert Machine Check to IDTENTRY_IST Thomas Gleixner
2020-05-15 5:24 ` Andy Lutomirski
2020-05-19 19:58 ` [tip: x86/entry] " tip-bot2 for Thomas Gleixner
2020-05-05 13:49 ` [patch V4 part 4 11/24] x86/mce: Use untraced rd/wrmsr in the MCE offline/crash check Thomas Gleixner
2020-05-15 5:24 ` Andy Lutomirski
2020-05-19 19:58 ` [tip: x86/entry] " tip-bot2 for Thomas Gleixner
2020-05-05 13:49 ` [patch V4 part 4 12/24] x86/idtentry: Provide IDTENTRY_XEN for XEN/PV Thomas Gleixner
2020-05-15 5:25 ` Andy Lutomirski
2020-05-19 19:58 ` [tip: x86/entry] " tip-bot2 for Thomas Gleixner
2020-05-05 13:49 ` [patch V4 part 4 13/24] x86/entry: Convert NMI to IDTENTRY_NMI Thomas Gleixner
2020-05-15 5:26 ` Andy Lutomirski
2020-05-19 19:58 ` [tip: x86/entry] " tip-bot2 for Thomas Gleixner
2020-05-05 13:49 ` [patch V4 part 4 14/24] x86/nmi: Protect NMI entry against instrumentation Thomas Gleixner
2020-05-15 5:26 ` Andy Lutomirski
2020-05-19 19:58 ` [tip: x86/entry] " tip-bot2 for Thomas Gleixner
2020-05-05 13:49 ` [patch V4 part 4 15/24] x86/db: Split out dr6/7 handling Thomas Gleixner
2020-05-07 17:18 ` Alexandre Chartre
2020-05-08 8:59 ` Peter Zijlstra
2020-05-08 11:58 ` Thomas Gleixner
2020-05-08 12:45 ` Peter Zijlstra
2020-05-14 2:24 ` Mathieu Desnoyers
2020-05-14 17:28 ` Thomas Gleixner
2020-05-14 17:46 ` Mathieu Desnoyers
2020-05-15 14:32 ` Thomas Gleixner
2020-05-14 18:06 ` Steven Rostedt
2020-05-15 5:37 ` Andy Lutomirski
2020-05-19 19:58 ` [tip: x86/entry] " tip-bot2 for Peter Zijlstra
2020-05-05 13:49 ` [patch V4 part 4 16/24] x86/entry: Convert Debug exception to IDTENTRY_DB Thomas Gleixner
2020-05-15 5:27 ` Andy Lutomirski
2020-05-19 19:58 ` [tip: x86/entry] " tip-bot2 for Thomas Gleixner
2020-05-05 13:49 ` [patch V4 part 4 17/24] x86/entry/64: Remove error code clearing from #DB and #MCE ASM stub Thomas Gleixner
2020-05-15 5:27 ` Andy Lutomirski
2020-05-19 19:58 ` [tip: x86/entry] " tip-bot2 for Thomas Gleixner
2020-05-05 13:49 ` [patch V4 part 4 18/24] x86/entry: Provide IDTRENTRY_NOIST variants for #DB and #MC Thomas Gleixner
2020-05-15 5:29 ` Andy Lutomirski
2020-05-19 19:58 ` [tip: x86/entry] x86/idtentry: " tip-bot2 for Thomas Gleixner
2020-05-05 13:49 ` [patch V4 part 4 19/24] x86/entry: Implement user mode C entry points for #DB and #MCE Thomas Gleixner
2020-05-15 5:32 ` Andy Lutomirski
2020-05-19 19:58 ` [tip: x86/entry] " tip-bot2 for Thomas Gleixner
2020-05-05 13:49 ` [patch V4 part 4 20/24] x86/traps: Restructure #DB handling Thomas Gleixner
2020-05-15 5:39 ` Andy Lutomirski
2020-05-19 19:58 ` [tip: x86/entry] " tip-bot2 for Thomas Gleixner
2020-05-05 13:49 ` [patch V4 part 4 21/24] x86/traps: Address objtool noinstr complaints in #DB Thomas Gleixner
2020-05-15 5:39 ` Andy Lutomirski
2020-05-19 19:58 ` [tip: x86/entry] " tip-bot2 for Thomas Gleixner
2020-05-05 13:49 ` [patch V4 part 4 22/24] x86/mce: Address objtools noinstr complaints Thomas Gleixner
2020-05-15 5:40 ` Andy Lutomirski [this message]
2020-05-19 19:58 ` [tip: x86/entry] " tip-bot2 for Thomas Gleixner
2020-05-05 13:49 ` [patch V4 part 4 23/24] x86/entry: Provide IDTENTRY_DF Thomas Gleixner
2020-05-15 5:41 ` Andy Lutomirski
2020-05-15 15:01 ` Thomas Gleixner
2020-05-19 19:58 ` [tip: x86/entry] x86/idtentry: " tip-bot2 for Thomas Gleixner
2020-05-19 19:58 ` [tip: x86/entry] x86/entry: Convert double fault exception to IDTENTRY_DF tip-bot2 for Thomas Gleixner
2020-05-05 13:49 ` [patch V4 part 4 24/24] " Thomas Gleixner
2020-05-07 19:55 ` Alexandre Chartre
2020-05-15 5:42 ` Andy Lutomirski
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