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Groups > linux.kernel > #1303564

Re: x86/microcode update on systems without INITRD

From Markus Trippelsdorf <markus@trippelsdorf.de>
Newsgroups linux.kernel
Subject Re: x86/microcode update on systems without INITRD
Date 2016-01-07 13:50 +0100
Message-ID <qOiaT-8bd-45@gated-at.bofh.it> (permalink)
References (3 earlier) <qwO9b-44h-1@gated-at.bofh.it> <qwPeX-4Iu-31@gated-at.bofh.it> <qOhHQ-7YB-7@gated-at.bofh.it> <qOhHQ-7YB-5@gated-at.bofh.it> <qOi1c-86g-13@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On 2016.01.07 at 13:36 +0100, Thomas Voegtle wrote:
> On Thu, 7 Jan 2016, Borislav Petkov wrote:
> 
> >On Thu, Jan 07, 2016 at 01:12:16PM +0100, Thomas Voegtle wrote:
> >>I just diffed my 4.3 config with the 4.4 config and saw that the whole
> >>Microcode stuff was silently dropped by a normal "make oldconfig".
> >
> >Can you send me that 4.3 config please?
> 
> Attached. It is a little bit unusual config without modules etc.
> 
> But doesn't dropping Microcde stuff in the config happen to anyone who
> hasn't INITRD stuff switched on?

Yes. But, as I wrote above, if you simply drop the BLK_DEV_INITRD
dependency, it will work just fine. 
I also don't use modules and the firmware gets applied at boot time.

...
[    2.573261] EDAC amd64: MCT channel count: 2
[    2.573401] EDAC MC0: Giving out device to module amd64_edac controller F10h: DEV 0000:00:18.2 (INTERRUPT)
[    2.573414] EDAC PCI0: Giving out device to module amd64_edac controller EDAC PCI controller: DEV 0000:00:18.2 (POLLED)
[    2.573424] hidraw: raw HID events driver (C) Jiri Kosina
[    2.573449] usbcore: registered new interface driver usbhid
[    2.573449] usbhid: USB HID core driver
[    2.573770] usbcore: registered new interface driver snd-usb-audio
[    2.573786] Netfilter messages via NETLINK v0.30.
[    2.573797] nf_conntrack version 0.5.0 (65536 buckets, 262144 max)
[    2.573966] ctnetlink v0.93: registering with nfnetlink.
[    2.574427] ip_tables: (C) 2000-2006 Netfilter Core Team
[    2.574477] NET: Registered protocol family 17
[    2.574487] 9pnet: Installing 9P2000 support
[    2.574717] microcode: CPU0: patch_level=0x010000db
[    2.574724] microcode: CPU1: patch_level=0x010000db
[    2.574731] microcode: CPU2: patch_level=0x010000db
[    2.574736] microcode: CPU3: patch_level=0x010000db
[    2.574761] microcode: Microcode Update Driver: v2.01 <tigran@aivazian.fsnet.co.uk>, Peter Oruba
[    2.574876] registered taskstats version 1
[    2.575132] Btrfs loaded
...

-- 
Markus
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Thread

Re: x86/microcode update on systems without INITRD Borislav Petkov <bp@suse.de> - 2016-01-07 13:20 +0100
  Re: x86/microcode update on systems without INITRD Markus Trippelsdorf <markus@trippelsdorf.de> - 2016-01-07 13:50 +0100
    Re: x86/microcode update on systems without INITRD Thomas Voegtle <tv@lio96.de> - 2016-01-08 10:40 +0100
    Re: x86/microcode update on systems without INITRD Markus Trippelsdorf <markus@trippelsdorf.de> - 2016-01-08 13:30 +0100
    Re: x86/microcode update on systems without INITRD Mike Keehan <mike.keehan@blueyonder.co.uk> - 2016-01-08 14:30 +0100
  Re: x86/microcode update on systems without INITRD Borislav Petkov <bp@suse.de> - 2016-01-08 12:00 +0100
    Re: x86/microcode update on systems without INITRD Måns Rullgård <mans@mansr.com> - 2016-01-08 12:20 +0100
      Re: x86/microcode update on systems without INITRD Borislav Petkov <bp@suse.de> - 2016-01-08 12:40 +0100
        Re: x86/microcode update on systems without INITRD Måns Rullgård <mans@mansr.com> - 2016-01-08 12:50 +0100
          Re: x86/microcode update on systems without INITRD Borislav Petkov <bp@suse.de> - 2016-01-08 13:10 +0100
            Re: x86/microcode update on systems without INITRD Måns Rullgård <mans@mansr.com> - 2016-01-08 13:20 +0100
            Re: x86/microcode update on systems without INITRD Markus Trippelsdorf <markus@trippelsdorf.de> - 2016-01-08 13:20 +0100
              Re: x86/microcode update on systems without INITRD Måns Rullgård <mans@mansr.com> - 2016-01-08 13:30 +0100
              Re: x86/microcode update on systems without INITRD Borislav Petkov <bp@suse.de> - 2016-01-08 13:30 +0100
                Re: x86/microcode update on systems without INITRD Michal Marek <mmarek@suse.cz> - 2016-01-08 13:50 +0100
                Re: x86/microcode update on systems without INITRD Borislav Petkov <bp@suse.de> - 2016-01-08 14:40 +0100
                Re: x86/microcode update on systems without INITRD Michal Marek <mmarek@suse.cz> - 2016-01-08 15:50 +0100
                Re: x86/microcode update on systems without INITRD Borislav Petkov <bp@suse.de> - 2016-01-11 20:50 +0100
                Re: x86/microcode update on systems without INITRD Måns Rullgård <mans@mansr.com> - 2016-01-11 21:30 +0100
                Re: x86/microcode update on systems without INITRD Måns Rullgård <mans@mansr.com> - 2016-01-11 22:10 +0100
                Re: x86/microcode update on systems without INITRD Borislav Petkov <bp@suse.de> - 2016-01-11 22:20 +0100
                [RFC PATCH] x86/kconfig: Sanity-check config file during oldconfig Borislav Petkov <bp@suse.de> - 2016-01-14 19:50 +0100
                Re: x86/microcode update on systems without INITRD Borislav Petkov <bp@suse.de> - 2016-01-11 22:10 +0100

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