Messages in this thread Patch in this message | | | Date | Tue, 16 Aug 2016 15:49:28 +0200 | From | Borislav Petkov <> | Subject | Re: [tip:x86/boot] x86/mm: Enable KASLR for physical mapping memory regions |
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On Tue, Aug 16, 2016 at 03:42:05PM +0200, Borislav Petkov wrote: > I'll try to reproduce and fix this at some point but am away currently > so don't hold your breath. Does "dis_ucode_ldr" on the kernel cmdline > get you any further?
Just a stab in the dark: does something like that help?
--- diff --git a/arch/x86/kernel/cpu/microcode/amd.c b/arch/x86/kernel/cpu/microcode/amd.c index 27a0228c9cae..2debaf119baf 100644 --- a/arch/x86/kernel/cpu/microcode/amd.c +++ b/arch/x86/kernel/cpu/microcode/amd.c @@ -434,6 +434,10 @@ int __init save_microcode_in_initrd_amd(void) else container = cont_va; +#ifdef CONFIG_RANDOMIZE_MEMORY + container += PAGE_OFFSET - __PAGE_OFFSET_BASE; +#endif + eax = cpuid_eax(0x00000001); eax = ((eax >> 8) & 0xf) + ((eax >> 20) & 0xff); --- Thanks.
-- Regards/Gruss, Boris.
ECO tip #101: Trim your mails when you reply. --
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