Messages in this thread Patch in this message | | | Date | Fri, 8 Jan 2016 13:20:59 +0100 | From | Markus Trippelsdorf <> | Subject | Re: x86/microcode update on systems without INITRD |
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On 2016.01.08 at 12:18 +0000, Mike Keehan wrote: > On Thu, 7 Jan 2016 13:41:11 +0100 > Markus Trippelsdorf <markus@trippelsdorf.de> wrote: > > > 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 > > ... > > > > I'm not sure what you mean by "drop the BLK_DEV_INITRD dependency", > but my microcode does not get loaded unless I have BLK_DEV_INITRD=Y > in my .config. > > I don't use initrd, but I do use modules.
I mean:
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index db3622f22b61..52c6964e24bd 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1126,7 +1126,6 @@ config MICROCODE bool "CPU microcode loading support" default y depends on CPU_SUP_AMD || CPU_SUP_INTEL - depends on BLK_DEV_INITRD select FW_LOADER ---help---
-- Markus
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