On Sun, 2015-04-26 at 17:03 +0200, Alexander Hirsch wrote:
> --- a/arch/x86/Kconfig
> +++ b/arch/x86/Kconfig
> config MICROCODE_EARLY
> bool "Early load microcode"
> - depends on MICROCODE=y && BLK_DEV_INITRD
> + depends on MICROCODE=y
> select MICROCODE_INTEL_EARLY if MICROCODE_INTEL
> select MICROCODE_AMD_EARLY if MICROCODE_AMD
> default y
> --- a/arch/x86/kernel/cpu/microcode/intel_early.c
> +++ b/arch/x86/kernel/cpu/microcode/intel_early.c
> @@ -691,6 +691,9 @@ int __init save_microcode_in_initrd_intel(void)
> unsigned int count = mc_saved_data.mc_saved_count;
> struct microcode_intel *mc_saved[MAX_UCODE_COUNT];
> int ret = 0;
> +#ifndef BLK_DEV_INITRD
#ifndef CONFIG_BLK_DEV_INITRD?
> + unsigned long initrd_start = 0;
> +#endif
>
> if (count == 0)
> return ret;
> @@ -728,24 +731,32 @@ _load_ucode_intel_bsp(struct mc_saved_data
> *mc_saved_data,
>
> void __init load_ucode_intel_bsp(void)
> {
> - u64 start, size;
> + u64 start = 0, size = 0;
> + struct mc_saved_data *mc_saved_data_p;
> + unsigned long *mc_saved_in_initrd_p;
> +#ifdef BLK_DEV_INITRD
Likewise.
> #ifdef CONFIG_X86_32
> struct boot_params *p;
>
> p = (struct boot_params *)__pa_nodebug(&boot_params);
> start = p->hdr.ramdisk_image;
> size = p->hdr.ramdisk_size;
> -
> - _load_ucode_intel_bsp(
> - (struct mc_saved_data *)__pa_nodebug(&mc_saved_data),
> - (unsigned long *)__pa_nodebug(&mc_saved_in_initrd),
> - start, size);
> #else
> start = boot_params.hdr.ramdisk_image + PAGE_OFFSET;
> size = boot_params.hdr.ramdisk_size;
> -
> - _load_ucode_intel_bsp(&mc_saved_data, mc_saved_in_initrd, start, size);
> #endif
> +#endif
> +
> +#ifdef CONFIG_X86_32
> + mc_saved_in_initrd_p =
> + (unsigned long *)__pa_nodebug(mc_saved_in_initrd);
> + mc_saved_data_p = (struct mc_saved_data *)__pa_nodebug(&mc_saved_data);
> +#else
> + mc_saved_data_p = &mc_saved_data;
> + mc_saved_in_initrd_p = mc_saved_in_initrd;
> +#endif
> +
> + _load_ucode_intel_bsp(mc_saved_data_p, mc_saved_in_initrd_p, start,
> size);
> }
>
> void load_ucode_intel_ap(void)
> @@ -755,6 +766,9 @@ void load_ucode_intel_ap(void)
> unsigned long *mc_saved_in_initrd_p;
> unsigned long initrd_start_addr;
> enum ucode_state ret;
> +#ifndef BLK_DEV_INITRD
Likewise.
> + unsigned long initrd_start = 0;
> +#endif
> #ifdef CONFIG_X86_32
> unsigned long *initrd_start_p;
>
Thanks,
Paul Bolle
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