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From: Borislav Petkov <bp@alien8.de>
To: Dave Young <dyoung@redhat.com>
Cc: linux-efi <linux-efi@vger.kernel.org>,
Laszlo Ersek <lersek@redhat.com>,
Ard Biesheuvel <ard.biesheuvel@linaro.org>,
Matt Fleming <matt.fleming@intel.com>,
Ricardo Neri <ricardo.neri-calderon@linux.intel.com>,
lkml <linux-kernel@vger.kernel.org>
Subject: Re: Shorten efi regions output
Date: Wed, 10 Dec 2014 11:46:28 +0100 [thread overview]
Message-ID: <20141210104627.GA17053@pd.tnic> (raw)
In-Reply-To: <20141210021741.GA3280@darkstar.nay.redhat.com>
On Wed, Dec 10, 2014 at 10:17:41AM +0800, Dave Young wrote:
> I have same feeling with you, it is too long for most of people.
>
> Since the printk code are for EFI_DEBUG, they are around the #ifdef
> so I would like to see a kernel param like efi_debug=on, so only
> efi_debug is specified then these verbose messages are printed.
> Without the param kernel can print some basic infomation about the
> memory ranges.
>
> In arm64 code there's already a uefi_debug param it can be moved to
> general code so that there will be a goable switch.
Hmm, makes sense to me. Maybe we should really hide those behind a
debug switch, the question is whether asking the user to boot with
"efi_debug=on" in order to see the regions is ok. And I think it is ok
because we do that when debugging other stuff so I don't see anything
different here.
And then when they're disabled by default, we don't really need to
shorten them as they're pure debug output then.
Matt?
--
Regards/Gruss,
Boris.
Sent from a fat crate under my desk. Formatting is fine.
--
next prev parent reply other threads:[~2014-12-10 10:46 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-09 9:58 Borislav Petkov
2014-12-09 12:42 ` Ard Biesheuvel
2014-12-09 12:48 ` Borislav Petkov
2014-12-09 15:35 ` Laszlo Ersek
2014-12-09 16:45 ` Borislav Petkov
2014-12-10 2:17 ` Dave Young
2014-12-10 10:46 ` Borislav Petkov [this message]
2015-01-05 14:03 ` Matt Fleming
2015-01-05 15:00 ` Laszlo Ersek
2015-01-21 5:48 ` Jon Masters
2015-01-21 10:06 ` Borislav Petkov
2015-01-26 10:49 ` Matt Fleming
2015-01-30 16:43 ` [PATCH] efi, x86: Add a "debug" option to the efi= cmdline Borislav Petkov
2015-01-30 16:58 ` Laszlo Ersek
2015-01-30 18:06 ` Randy Dunlap
2015-01-30 21:17 ` Borislav Petkov
2015-02-04 12:18 ` Parmeshwr Prasad
2015-02-05 3:18 ` Dave Young
2015-02-05 8:11 ` Borislav Petkov
2015-02-05 8:41 ` Dave Young
2015-02-05 10:44 ` [PATCH v2] " Borislav Petkov
2015-02-05 12:45 ` Parmeshwr Prasad
2015-02-05 14:28 ` Borislav Petkov
2015-02-06 6:00 ` Parmeshwr Prasad
2015-02-06 10:49 ` Borislav Petkov
2015-02-24 22:33 ` Matt Fleming
2015-04-02 12:27 ` [tip:core/efi] x86/efi: " tip-bot for Borislav Petkov
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