Re: [GIT PULL] A microcode loader fix for 3.19

Ingo Molnar
2015-01-29T06:52:17Z

* Borislav Petkov <bp@suse.de> wrote:

> Hi guys,
>
> please pull this last small fix for the microcode loader not erroring
> out of its init routine properly.
>
> Optimally, it should go with the last batch of tip/urgent stuff for
> 3.19, if possible.
>
> Thanks.
>
> ---
> The following changes since commit 26bc420b59a38e4e6685a73345a0def461136dce:
>
> Linux 3.19-rc6 (2015-01-25 20:04:41 -0800)
>
> are available in the git repository at:
>
> git://git.kernel.org/pub/scm/linux/kernel/git/bp/bp.git tags/microcode_fix_for_3.19
>
> for you to fetch changes up to da63865a01c6384d459464e5165d95d4f04878d8:
>
> x86, microcode: Return error from driver init code when loader is disabled (2015-01-28 09:23:40 +0100)
>
> ----------------------------------------------------------------
> One final fix for 3.19 to address a wrongful deregistering of the
> microcode loader module.
>
> ----------------------------------------------------------------
> Boris Ostrovsky (1):
> x86, microcode: Return error from driver init code when loader is disabled
>
> arch/x86/kernel/cpu/microcode/core.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/x86/kernel/cpu/microcode/core.c b/arch/x86/kernel/cpu/microcode/core.c
> index 15c29096136b..36a83617eb21 100644
> --- a/arch/x86/kernel/cpu/microcode/core.c
> +++ b/arch/x86/kernel/cpu/microcode/core.c
> @@ -552,7 +552,7 @@ static int __init microcode_init(void)
> int error;
>
> if (paravirt_enabled() || dis_ucode_ldr)
> - return 0;
> + return -EINVAL;
>
> if (c->x86_vendor == X86_VENDOR_INTEL)
> microcode_ops = init_intel_microcode();

Pulled into tip:x86/urgent, thanks Boris!

Ingo