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Groups > linux.kernel > #1273826
| From | Markus Trippelsdorf <markus@trippelsdorf.de> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: x86/microcode update on systems without INITRD |
| Date | 2015-11-20 09:40 +0100 |
| Message-ID | <qwPoC-4LV-3@gated-at.bofh.it> (permalink) |
| References | <qwFfA-6wX-13@gated-at.bofh.it> <qwFpf-6AK-11@gated-at.bofh.it> <qwGlj-7bk-1@gated-at.bofh.it> <qwO9b-44h-1@gated-at.bofh.it> <qwPeX-4Iu-31@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
On 2015.11.20 at 09:27 +0100, Borislav Petkov wrote: > On Fri, Nov 20, 2015 at 08:19:20AM +0100, Markus Trippelsdorf wrote: > > On 2015.11.19 at 23:58 +0100, Borislav Petkov wrote: > > > On Thu, Nov 19, 2015 at 10:55:43PM +0100, Borislav Petkov wrote: > > > > On Thu, Nov 19, 2015 at 10:43:01PM +0100, Markus Trippelsdorf wrote: > > > > > It looks like the ability to update x86/microcode without using an > > > > > initrd was removed this merge window. > > > > > > > > Whoops, that shouldnt've happened. Will debug it tomorrow and provide a > > > > fix. > > > > > > Anyway, the hunk below seems to work in my guest here, I'll run it > > > on the rest of the boxes tomorrow. In case you want to give it a try > > > before: > > > > Your patch works fine. Thanks. > > Thanks for testing. > > > But of course it needs this additional patch, otherwise the microcode > > loader wouldn't build at all: > > > > 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--- > > That dependency is a must as the early loader needs the initrd support. Well, BLK_DEV_INITRD is not set in my config and it works just fine... -- Markus -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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x86/microcode update on systems without INITRD Markus Trippelsdorf <markus@trippelsdorf.de> - 2015-11-19 22:50 +0100
Re: x86/microcode update on systems without INITRD Borislav Petkov <bp@suse.de> - 2015-11-19 23:00 +0100
Re: x86/microcode update on systems without INITRD Borislav Petkov <bp@suse.de> - 2015-11-20 00:00 +0100
Re: x86/microcode update on systems without INITRD Markus Trippelsdorf <markus@trippelsdorf.de> - 2015-11-20 08:20 +0100
Re: x86/microcode update on systems without INITRD Borislav Petkov <bp@suse.de> - 2015-11-20 09:30 +0100
Re: x86/microcode update on systems without INITRD Markus Trippelsdorf <markus@trippelsdorf.de> - 2015-11-20 09:40 +0100
Re: x86/microcode update on systems without INITRD Borislav Petkov <bp@suse.de> - 2015-11-20 09:50 +0100
[PATCH] x86/microcode: Initialize the driver late when facilities are up Borislav Petkov <bp@suse.de> - 2015-11-20 12:30 +0100
[tip:x86/urgent] x86/microcode: Initialize the driver late when facilities are up tip-bot for Borislav Petkov <tipbot@zytor.com> - 2015-11-23 17:30 +0100
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