Attachment 289707 Details for Bug 425794 – Fix for e820 rounding error

[patch] Fix for e820 rounding error

d-e820 (text/plain), 1.19 KB, created by Richard Henderson on 2007-12-15 21:19:57 UTC

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Creator: Richard Henderson

Created: 2007-12-15 21:19:57 UTC

Size: 1.19 KB

patch

obsolete

>diff -rup BUILD/kernel-2.6.23/linux-2.6.23.x86_64/arch/x86_64/kernel/e820.c linux-2.6.23.x86_64-rth/arch/x86_64/kernel/e820.c
>--- BUILD/kernel-2.6.23/linux-2.6.23.x86_64/arch/x86_64/kernel/e820.c	2007-10-09 13:31:38.000000000 -0700
>+++ linux-2.6.23.x86_64-rth/arch/x86_64/kernel/e820.c	2007-12-15 12:37:44.000000000 -0800
>@@ -363,7 +363,7 @@ void __init e820_print_map(char *who)
> 	for (i = 0; i < e820.nr_map; i++) {
> 		printk(KERN_INFO " %s: %016Lx - %016Lx ", who,
> 			(unsigned long long) e820.map[i].addr,
>-			(unsigned long long) (e820.map[i].addr + e820.map[i].size));
>+			(unsigned long long) (e820.map[i].addr + e820.map[i].size) - 1);
> 		switch (e820.map[i].type) {
> 		case E820_RAM:	printk("(usable)\n");
> 				break;
>@@ -718,8 +718,8 @@ __init void e820_setup_gap(void)
> 	while ((gapsize >> 4) > round)
> 		round += round;
> 	/* Fun with two's complement */
>-	pci_mem_start = (gapstart + round) & -round;
>+	pci_mem_start = (gapstart + round - 1) & -round;
> 
>-	printk(KERN_INFO "Allocating PCI resources starting at %lx (gap: %lx:%lx)\n",
>-		pci_mem_start, gapstart, gapsize);
>+	printk(KERN_INFO "Allocating PCI resources starting at %lx (gap: %lx-%lx)\n",
>+		pci_mem_start, gapstart, gapstart + gapsize - 1);
> }

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Attachments on bug 425794: 289707 | 289708 | 289932 | 289933 | 289934