Messages in this thread | | | Date | Fri, 20 Nov 2015 09:33:48 +0100 | From | Markus Trippelsdorf <> | Subject | Re: x86/microcode update on systems without INITRD |
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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
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