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From: Borislav Petkov <bp@alien8.de>
To: Feng Tang <feng.tang@intel.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
	Ingo Molnar <mingo@kernel.org>,
	H Peter Anvin <hpa@linux.intel.com>,
	Peter Zijlstra <peterz@infradead.org>,
	"Stuart R . Anderson" <stuart.r.anderson@intel.com>,
	alan@linux.intel.com, x86@kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] x86/earlyprintk: Add a force option for pciserial device
Date: Mon, 1 Oct 2018 14:39:16 +0200	[thread overview]
Message-ID: <20181001123916.GC7269@zn.tnic> (raw)
In-Reply-To: <20180930131619.jecqh4umrkmifavb@shbuild888>

On Sun, Sep 30, 2018 at 09:16:19PM +0800, Feng Tang wrote:
> Got your point. As the following [,baudrate] is also optional, and this
> "force" could be the last option for pciserial. The check may be
> 
> 	if (!strncmp(s, "force,", 6) || !strncmp(s, "force ", 6)) {
> 		force = 1;
> 		s += 6;
> 	}

You have !strncmp(s, "force,", 6) twice in there. I have no clue what
you're trying to say.

> Do you mean this? 
> 
> 	if (((classcode >> 16 != PCI_CLASS_COMMUNICATION_MODEM) &&
> 	     (classcode >> 16 != PCI_CLASS_COMMUNICATION_SERIAL)) ||
> 	   (((classcode >> 8) & 0xff) != 0x02)) /* 16550 I/F at BAR0 */ {
> 		if (!force)
> 			return;
> 	}

Yes.

Thx.

-- 
Regards/Gruss,
    Boris.

Good mailing practices for 400: avoid top-posting and trim the reply.

  reply	other threads:[~2018-10-01 12:39 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-28  9:40 [PATCH v2] x86/earlyprintk: Add a force option for pciserial device Feng Tang
2018-09-29 16:34 ` Borislav Petkov
2018-09-30 13:16   ` Feng Tang
2018-10-01 12:39     ` Borislav Petkov [this message]
2018-10-01 14:18       ` Feng Tang
2018-10-01 20:30         ` Borislav Petkov
2018-10-02  9:16           ` Feng Tang
2018-10-02  9:17             ` Thomas Gleixner
2018-10-02  9:48               ` Feng Tang
2018-10-02 10:44                 ` Thomas Gleixner
2018-10-02 12:10                   ` Feng Tang
2018-10-02 15:31                     ` Feng Tang
2018-10-02 15:41                       ` Thomas Gleixner
2018-10-02 15:49                         ` Feng Tang

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