Attachment 952527 Details for Bug 1158204 – Debug patch

[patch] Debug patch

bp_4.patch (text/plain), 1.90 KB, created by Konrad Rzeszutek Wilk on 2014-10-31 14:44:43 UTC

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Creator: Konrad Rzeszutek Wilk

Created: 2014-10-31 14:44:43 UTC

Size: 1.90 KB

patch

obsolete

>--- arch/x86/kernel/cpu/microcode/amd_early.c.orig	2014-10-29 13:53:49.090362247 -0400
>+++ arch/x86/kernel/cpu/microcode/amd_early.c	2014-10-30 13:39:57.790206618 -0400
>@@ -363,24 +363,42 @@
> 	 */
> 	cont = __pa(container);
> #endif
>+       printk("container: %lx\n", container);
>+	printk("cont: %lx\n", cont);
>+	printk(" relocated_ramdisk: %lx\n", relocated_ramdisk);
> 
> 	/*
> 	 * Take into account the fact that the ramdisk might get relocated and
> 	 * therefore we need to recompute the container's position in virtual
> 	 * memory space.
> 	 */
>-	if (relocated_ramdisk)
>-		container = (u8 *)(__va(relocated_ramdisk) +
>-			     (cont - boot_params.hdr.ramdisk_image));
>+	if (relocated_ramdisk) {
>+               printk(" boot_params: %lx\n", boot_params);
>+               printk(" boot_params.hdr: %lx\n", boot_params.hdr);
>+               printk(" boot_params.hdr.ramdisk_image: %lx\n", boot_params.hdr.ramdisk_image);
>+               printk(" cont                         : %lx\n", cont);
>+               printk(" cont - boot_params...        : %lx\n", (cont - boot_params.hdr.ramdisk_image));
>+               printk(" __va(relocated_ramdisk)      : %lx\n", (__va(relocated_ramdisk)));
>+               container = (u8 *)(__va(relocated_ramdisk) +
>+                            (cont - boot_params.hdr.ramdisk_image));
> 
>+               printk(" container                    : %lx\n", container);
>+               printk(" container_size               : %lx\n", container_size);
>+	}
>+	printk("%d\n", __LINE__);
> 	if (ucode_new_rev)
> 		pr_info("microcode: updated early to new patch_level=0x%08x\n",
> 			ucode_new_rev);
> 
>+	printk("%d\n", __LINE__);
> 	eax   = cpuid_eax(0x00000001);
> 	eax   = ((eax >> 8) & 0xf) + ((eax >> 20) & 0xff);
> 
>+	printk("%d\n", __LINE__);
>+	printk("container_size: %d\n", container_size);
>+
> 	ret = load_microcode_amd(eax, container, container_size);
>+	printk("%d\n", __LINE__);
> 	if (ret != UCODE_OK)
> 		return -EINVAL;
>

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Attachments on bug 1158204: 951519 | 952289 | 952290 | 952526 | 952527 | 952535 | 952587