Re: [patch 02/30] x86/microcode: Hide the config knob

From: Borislav Petkov
Date: Fri Aug 11 2023 - 07:23:56 EST


+ dracut ML (I hope this is the right one).

Dracut folks, you can drop this check soon - microcode loader will be
unconditionally built in.

On Thu, Aug 10, 2023 at 01:41:43PM -0700, Ashok Raj wrote:
> On Thu, Aug 10, 2023 at 08:37:29PM +0200, Thomas Gleixner wrote:
> > In reality CONFIG_MICROCODE is enabled in any reasonable configuration when
> > Intel or AMD support is enabled. Accomodate to reality.
> >
> > Requested-by: Borislav Petkov <bp@xxxxxxxxx>
> > Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
> > ---
> > arch/x86/Kconfig | 38 ---------------------------------
> > arch/x86/include/asm/microcode.h | 6 ++---
> > arch/x86/include/asm/microcode_amd.h | 2 -
> > arch/x86/include/asm/microcode_intel.h | 2 -
> > arch/x86/kernel/cpu/microcode/Makefile | 4 +--
> > 5 files changed, 8 insertions(+), 44 deletions(-)
> >
> > --- a/arch/x86/Kconfig
> > +++ b/arch/x86/Kconfig
> > @@ -1308,44 +1308,8 @@ config X86_REBOOTFIXUPS
> > Say N otherwise.
> >
> > config MICROCODE
> > - bool "CPU microcode loading support"
> > - default y
> > + def_bool y
> > depends on CPU_SUP_AMD || CPU_SUP_INTEL
>
> Seems like there is a dracut dependency that checks for either of these to
> be present.
>
> dracut: Generating /boot/initrd.img-6.5.0-rc3-ucode-minrev+
> dracut: Disabling early microcode, because kernel does not support it. CONFIG_MICROCODE_[AMD|INTEL]!=y
>
> Just a tool fix.

--
Regards/Gruss,
Boris.

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