linux-kernel - Re: [PATCH 1/1] x86: do not skip PKRU register if debug registers are not used

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Date:   Mon, 12 Sep 2016 09:49:06 -0700
From:   Dave Hansen <dave.hansen@...ux.intel.com>
To:     Nicolas Iooss <nicolas.iooss_linux@....org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>,
        "H. Peter Anvin" <hpa@...or.com>, x86@...nel.org
Cc:     linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] x86: do not skip PKRU register if debug registers are
 not used

On 09/10/2016 11:30 AM, Nicolas Iooss wrote:
> When commit c0b17b5bd4b7 ("x86/mm/pkeys: Dump PKRU with other kernel
> registers") made __show_regs() show PKRU, this register was only printed
> if the debug registers were not in their default state (there is an
> if(...) return; before).
> 
> Change the logic to report PKRU value even when debug registers are in
> their default state.

Ahh, thanks for finding this.  This looks like the correct fix to me.

Acked-by: Dave Hansen <dave.hansen@...ux.intel.com>