From: Henrique de Moraes Holschuh <hmh@hmh.eng.br>
To: linux-kernel@vger.kernel.org
Cc: Borislav Petkov <bp@alien8.de>, H Peter Anvin <hpa@zytor.com>
Subject: Re: [PATCH 7/8] x86, microcode, intel: guard against misaligned microcode data
Date: Wed, 17 Sep 2014 21:48:41 -0300 [thread overview]
Message-ID: <20140918004841.GB18652@khazad-dum.debian.net> (raw)
In-Reply-To: <1410197875-19252-8-git-send-email-hmh@hmh.eng.br>
On Mon, 08 Sep 2014, Henrique de Moraes Holschuh wrote:
> Change the early microcode driver to make a temporary copy of a portion
> of the microcode header, and move the microcode data backwards
> (overwriting the header) to a suitably aligned position, right before
> issuing the microcode update WRMSR.
This one is missing a big thank you to Bill Davidsen for the "overwrite the
header" idea. Once I get some comments about this series, I will respin
this one and credit him.
--
"One disk to rule them all, One disk to find them. One disk to bring
them all and in the darkness grind them. In the Land of Redmond
where the shadows lie." -- The Silicon Valley Tarot
Henrique Holschuh
next prev parent reply other threads:[~2014-09-18 0:48 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-08 17:37 [PATCH 0/8] x86, microcode, intel: fixes and enhancements Henrique de Moraes Holschuh
2014-09-08 17:37 ` [PATCH 1/8] x86, microcode, intel: forbid some incorrect metadata Henrique de Moraes Holschuh
2014-10-05 17:34 ` Borislav Petkov
2014-10-05 19:37 ` Henrique de Moraes Holschuh
2014-10-05 21:13 ` Borislav Petkov
2014-10-05 21:49 ` Henrique de Moraes Holschuh
2014-10-06 5:15 ` Borislav Petkov
2014-09-08 17:37 ` [PATCH 2/8] x86, microcode, intel: don't update each HT core twice Henrique de Moraes Holschuh
2014-10-20 13:32 ` Borislav Petkov
2014-10-20 18:24 ` Henrique de Moraes Holschuh
2014-10-28 17:31 ` Borislav Petkov
2014-10-31 18:43 ` Henrique de Moraes Holschuh
2014-11-01 11:06 ` Borislav Petkov
2014-11-01 19:20 ` Henrique de Moraes Holschuh
2014-11-04 15:53 ` Borislav Petkov
2014-09-08 17:37 ` [PATCH 3/8] x86, microcode, intel: clarify log messages Henrique de Moraes Holschuh
2014-10-20 13:52 ` Borislav Petkov
2014-10-21 14:13 ` Henrique de Moraes Holschuh
2014-10-29 9:54 ` Borislav Petkov
2014-10-31 20:08 ` Henrique de Moraes Holschuh
2014-11-07 17:37 ` Borislav Petkov
2014-09-08 17:37 ` [PATCH 4/8] x86, microcode, intel: add error logging to early update driver Henrique de Moraes Holschuh
2014-10-20 15:08 ` Borislav Petkov
2014-10-21 14:10 ` Henrique de Moraes Holschuh
2014-10-30 17:41 ` Borislav Petkov
2014-10-30 18:15 ` Joe Perches
2014-10-31 20:10 ` Henrique de Moraes Holschuh
2014-09-08 17:37 ` [PATCH 5/8] x86, microcode, intel: don't check extsig entry checksum Henrique de Moraes Holschuh
2014-10-30 20:25 ` Borislav Petkov
2014-10-31 17:14 ` Henrique de Moraes Holschuh
2014-11-07 17:49 ` Borislav Petkov
2014-09-08 17:37 ` [PATCH 6/8] x86, microcode, intel: use cpuid explicitly instead of sync_core Henrique de Moraes Holschuh
2014-11-07 17:56 ` Borislav Petkov
2014-11-07 18:40 ` Henrique de Moraes Holschuh
2014-11-07 19:48 ` Borislav Petkov
2014-09-08 17:37 ` [PATCH 7/8] x86, microcode, intel: guard against misaligned microcode data Henrique de Moraes Holschuh
2014-09-18 0:48 ` Henrique de Moraes Holschuh [this message]
2014-11-07 19:59 ` Borislav Petkov
2014-11-07 22:54 ` Henrique de Moraes Holschuh
2014-11-07 23:48 ` Borislav Petkov
2014-11-08 21:57 ` Henrique de Moraes Holschuh
2014-11-11 10:47 ` Borislav Petkov
2014-11-11 16:57 ` Henrique de Moraes Holschuh
2014-11-11 17:13 ` Borislav Petkov
2014-11-11 19:54 ` Henrique de Moraes Holschuh
2014-11-12 12:31 ` Borislav Petkov
2014-11-13 0:18 ` Henrique de Moraes Holschuh
2014-11-13 11:53 ` Borislav Petkov
2014-11-15 23:10 ` Henrique de Moraes Holschuh
2014-11-24 17:35 ` Borislav Petkov
2014-11-25 13:29 ` Henrique de Moraes Holschuh
2014-09-08 17:37 ` [PATCH 8/8] x86, microcode, intel: defend apply_microcode_intel with BUG_ON Henrique de Moraes Holschuh
2014-11-07 20:05 ` Borislav Petkov
2014-11-07 22:56 ` Henrique de Moraes Holschuh
2014-11-07 23:48 ` Borislav Petkov
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=20140918004841.GB18652@khazad-dum.debian.net \
--to=hmh@hmh.eng.br \
--cc=bp@alien8.de \
--cc=hpa@zytor.com \
--cc=linux-kernel@vger.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox
all inboxes | Powered by JetHome®