linux-kernel - Re: [PATCH 00/14] x86/unwind/orc: ORC fixes

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Message-ID: <20200312191529.GA5086@worktop.programming.kicks-ass.net>
Date:   Thu, 12 Mar 2020 20:15:29 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     Josh Poimboeuf <jpoimboe@...hat.com>
Cc:     x86@...nel.org, linux-kernel@...r.kernel.org,
        Vince Weaver <vincent.weaver@...ne.edu>,
        Dave Jones <dsj@...com>, Jann Horn <jannh@...gle.com>,
        Miroslav Benes <mbenes@...e.cz>,
        Andy Lutomirski <luto@...nel.org>,
        Steven Rostedt <rostedt@...dmis.org>,
        Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [PATCH 00/14] x86/unwind/orc: ORC fixes

On Thu, Mar 12, 2020 at 12:30:19PM -0500, Josh Poimboeuf wrote:
> Several ORC unwinder cleanups, fixes, and debug improvements.
> 
> Jann Horn (1):
>   x86/entry/64: Fix unwind hints in rewind_stack_do_exit()
> 
> Josh Poimboeuf (12):
>   x86/dumpstack: Add SHOW_REGS_IRET mode
>   objtool: Fix stack offset tracking for indirect CFAs
>   x86/entry/64: Fix unwind hints in register clearing code
>   x86/entry/64: Fix unwind hints in kernel exit path
>   x86/entry/64: Fix unwind hints in __switch_to_asm()
>   x86/unwind/orc: Convert global variables to static
>   x86/unwind: Prevent false warnings for non-current tasks
>   x86/unwind/orc: Prevent unwinding before ORC initialization
>   x86/unwind/orc: Fix error path for bad ORC entry type
>   x86/unwind/orc: Fix premature unwind stoppage due to IRET frames
>   x86/unwind/orc: Add more unwinder warnings
>   x86/unwind/orc: Add 'unwind_debug' cmdline option
> 
> Miroslav Benes (1):
>   x86/unwind/orc: Don't skip the first frame for inactive tasks

Looks like good stuff..

Acked-by: Peter Zijlstra (Intel) <peterz@...radead.org>