From: Ingo Molnar <mingo@kernel.org>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>,
linux-pci@vger.kernel.org, Thomas Gleixner <tglx@linutronix.de>,
"H . Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@redhat.com>,
x86@kernel.org, Mika Westerberg <mika.westerberg@linux.intel.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2] x86/PCI: Make pci=earlydump output neat
Date: Fri, 27 Apr 2018 13:58:33 +0200 [thread overview]
Message-ID: <20180427115833.sv5pykbeojlivc7s@gmail.com> (raw)
In-Reply-To: <20180425101507.51531-1-andriy.shevchenko@linux.intel.com>
* Andy Shevchenko <andriy.shevchenko@linux.intel.com> wrote:
> Currently the early dump of PCI configuration space looks quite unhelpful, e.g.
>
> [ 0.000000] 60:
> [ 0.000000] 00
> [ 0.000000] 00
> [ 0.000000] 00
> [ 0.000000] 00
> [ 0.000000] 00
> [ 0.000000] 00
> [ 0.000000] 00
> [ 0.000000] 00
> [ 0.000000] 00
> [ 0.000000] 00
> [ 0.000000] 00
> [ 0.000000] 00
> [ 0.000000] 00
> [ 0.000000] 00
> [ 0.000000] 00
> [ 0.000000] 00
> [ 0.000000]
>
> which makes really hard to get anything out of this. Convert the function to
> use print_hex_dump() to make output neat.
>
> In the result we will have
>
> [ 0.000000] 00000060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
>
> which is much, much better.
>
> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com>
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Ingo Molnar <mingo@kernel.org>
Thanks,
Ingo
next prev parent reply other threads:[~2018-04-27 11:58 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-25 10:15 [PATCH v2] x86/PCI: Make pci=earlydump output neat Andy Shevchenko
2018-04-27 11:58 ` Ingo Molnar [this message]
2018-04-27 21:57 ` Bjorn Helgaas
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