linux-kernel - Re: [RFC patch 10/15] x86/entry: Move irq tracing to C code

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Date:   Wed, 25 Sep 2019 21:59:40 -0500
From:   Josh Poimboeuf <jpoimboe@...hat.com>
To:     Thomas Gleixner <tglx@...utronix.de>
Cc:     LKML <linux-kernel@...r.kernel.org>, x86@...nel.org,
        Peter Zijlstra <peterz@...radead.org>,
        Andy Lutomirski <luto@...nel.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Marc Zyngier <maz@...nel.org>,
        Paolo Bonzini <pbonzini@...hat.com>, kvm@...r.kernel.org,
        linux-arch@...r.kernel.org
Subject: Re: [RFC patch 10/15] x86/entry: Move irq tracing to C code

On Thu, Sep 19, 2019 at 05:03:24PM +0200, Thomas Gleixner wrote:
>  ENTRY(error_exit)
> -	UNWIND_HINT_REGS
>  	DISABLE_INTERRUPTS(CLBR_ANY)
>  	TRACE_IRQS_OFF
> +	UNWIND_HINT_REGS
>  	testb	$3, CS(%rsp)
>  	jz	retint_kernel
>  	jmp	retint_user

I don't think this UNWIND_HINT_REGS needs to be moved?

-- 
Josh