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@@ -706,20 +706,17 @@ int __init mtrr_trim_uncached_memory(unsigned long end_pfn)
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/* kvm/qemu doesn't have mtrr set right, don't trim them all */
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if (!highest_addr) {
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- printk(KERN_WARNING "***************\n");
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- printk(KERN_WARNING "**** WARNING: likely strange cpu\n");
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- printk(KERN_WARNING "**** MTRRs all blank, cpu in qemu?\n");
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- printk(KERN_WARNING "***************\n");
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+ printk(KERN_WARNING "WARNING: strange, CPU MTRRs all blank?\n");
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+ WARN_ON(1);
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return 0;
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}
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if ((highest_addr >> PAGE_SHIFT) < end_pfn) {
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- printk(KERN_WARNING "***************\n");
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- printk(KERN_WARNING "**** WARNING: likely BIOS bug\n");
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- printk(KERN_WARNING "**** MTRRs don't cover all of "
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- "memory, trimmed %ld pages\n", end_pfn -
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- (highest_addr >> PAGE_SHIFT));
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- printk(KERN_WARNING "***************\n");
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+ printk(KERN_WARNING "WARNING: BIOS bug: CPU MTRRs don't cover"
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+ " all of memory, losing %LdMB of RAM.\n",
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+ (((u64)end_pfn << PAGE_SHIFT) - highest_addr) >> 20);
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+
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+ WARN_ON(1);
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printk(KERN_INFO "update e820 for mtrr\n");
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trim_start = highest_addr;
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