All of lore.kernel.org
 help / color / mirror / Atom feed
From: Pavel Machek <pavel@ucw.cz>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Borislav Petkov <bp@alien8.de>,
	Henrique de Moraes Holschuh <hmh@hmh.eng.br>,
	X86 ML <x86@kernel.org>, LKML <linux-kernel@vger.kernel.org>,
	Kim Naru <kim.naru@amd.com>,
	Aravind Gopalakrishnan <aravind.gopalakrishnan@amd.com>,
	Sherry Hurwitz <sherry.hurwitz@amd.com>
Subject: Re: [PATCH] x86, CPU, AMD: Add workaround for family 16h, erratum 793
Date: Sat, 18 Jan 2014 01:29:26 +0100	[thread overview]
Message-ID: <20140118002926.GA22185@amd.pavel.ucw.cz> (raw)
In-Reply-To: <52D9B408.4020007@zytor.com>

On Fri 2014-01-17 14:51:52, H. Peter Anvin wrote:
> On 01/17/2014 02:50 PM, Borislav Petkov wrote:
> > On Fri, Jan 17, 2014 at 11:28:06PM +0100, Pavel Machek wrote:
> >> Would it make sense to printk() a warning?
> > 
> > No because people come and start bitching about their dmesg containing
> > a warning and whether their hardware is b0rked without even reading the
> > actual words.

Have you checked your dmesg recently? Normal people don't read
it... it is just too much of it.

> Printing a warning is appropriate if we can't actually fix the problem
> in the OS.  If we actually make the problem go away then we have just
> done our job and we can be done with it.

I disagree. Older kernel versions still may have problem, etc.

We normally do print warnings for problems we work around. We want
vendors to fix their hardware, too...

ACPI BIOS Warning (bug): 32/64X FACS address mismatch in FADT -
0xBDB5FF40/0x00000000BDB64F40, using 32 (20131115/tbfadt-522)
[Firmware Bug]: ACPI: BIOS _OSI(Linux) query ignored

								Pavel
-- 
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html

  parent reply	other threads:[~2014-01-18  0:29 UTC|newest]

Thread overview: 41+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-01-14 11:41 AMD errata 793 (CVE-2013-6885) needs a workaround in Linux? Henrique de Moraes Holschuh
2014-01-14 11:55 ` Borislav Petkov
2014-01-14 15:14   ` H. Peter Anvin
2014-01-14 15:35     ` Borislav Petkov
2014-01-14 16:27       ` [PATCH] x86, CPU, AMD: Add workaround for family 16h, erratum 793 Borislav Petkov
2014-01-14 16:30         ` H. Peter Anvin
2014-01-14 16:42           ` Borislav Petkov
2014-01-14 17:46             ` H. Peter Anvin
2014-01-14 23:07               ` [PATCH -v1.1] " Borislav Petkov
2014-01-15  0:38                 ` H. Peter Anvin
2014-01-15 11:10                   ` [PATCH -v1.2] " Borislav Petkov
2014-01-15  0:45                 ` [tip:x86/urgent] x86, cpu, amd: " tip-bot for Borislav Petkov
2014-01-15  0:54                   ` H. Peter Anvin
2014-01-15  6:28                     ` Ingo Molnar
2014-01-15 13:36                       ` Borislav Petkov
2014-01-15 13:52                         ` H. Peter Anvin
2014-01-15 18:38                           ` Ingo Molnar
2014-01-16  4:11                             ` H. Peter Anvin
     [not found]         ` <52D59ACC.3090100@amd.com>
2014-01-14 20:38           ` [PATCH] x86, CPU, AMD: " Borislav Petkov
2014-01-16 17:58             ` Aravind Gopalakrishnan
2014-01-16 18:10               ` Borislav Petkov
2014-01-17  0:21               ` Henrique de Moraes Holschuh
2014-01-17  0:25                 ` H. Peter Anvin
2014-01-17 10:18                 ` Borislav Petkov
2014-01-17 16:23                   ` H. Peter Anvin
2014-01-17 17:02                     ` Borislav Petkov
2014-01-17 17:36                       ` Aravind Gopalakrishnan
2014-01-17 17:42                       ` H. Peter Anvin
2014-01-17 18:05                         ` Aravind Gopalakrishnan
2014-01-17 18:25                           ` Borislav Petkov
2014-01-17 22:28         ` Pavel Machek
2014-01-17 22:50           ` Borislav Petkov
2014-01-17 22:51             ` H. Peter Anvin
2014-01-17 22:57               ` Borislav Petkov
2014-01-18  0:29               ` Pavel Machek [this message]
2014-01-18  1:21                 ` H. Peter Anvin
2014-01-18  2:01                   ` Pavel Machek
2014-01-18 10:42                     ` Borislav Petkov
2014-01-18 11:08                       ` Pavel Machek
2014-01-18 11:26                         ` Borislav Petkov
2014-01-18 11:31                           ` Pavel Machek

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20140118002926.GA22185@amd.pavel.ucw.cz \
    --to=pavel@ucw.cz \
    --cc=aravind.gopalakrishnan@amd.com \
    --cc=bp@alien8.de \
    --cc=hmh@hmh.eng.br \
    --cc=hpa@zytor.com \
    --cc=kim.naru@amd.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=sherry.hurwitz@amd.com \
    --cc=x86@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.