[PATCH] x86: Allow MMCONFIG above 4GB on x86_64

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



SGI UV will have MMCFG base addresses that are greater than 4GB (32 bits).

Signed-off-by: John Keller <jpk@xxxxxxx>
---

A similar patch was submitted over a year ago, but apparently was not
merged in.

   http://marc.info/?l=linux-acpi&m=117283388212912&w=2


Index: linux-2.6/arch/x86/kernel/acpi/boot.c
===================================================================
--- linux-2.6.orig/arch/x86/kernel/acpi/boot.c	2008-07-09 13:02:54.000000000 -0500
+++ linux-2.6/arch/x86/kernel/acpi/boot.c	2008-07-09 15:25:32.000000000 -0500
@@ -200,6 +200,7 @@ int __init acpi_parse_mcfg(struct acpi_t
 	}
 
 	memcpy(pci_mmcfg_config, &mcfg[1], config_size);
+#ifndef CONFIG_X86_64
 	for (i = 0; i < pci_mmcfg_config_num; ++i) {
 		if (pci_mmcfg_config[i].address > 0xFFFFFFFF) {
 			printk(KERN_ERR PREFIX
@@ -209,6 +210,7 @@ int __init acpi_parse_mcfg(struct acpi_t
 			return -ENODEV;
 		}
 	}
+#endif
 
 	return 0;
 }
--
To unsubscribe from this list: send the line "unsubscribe linux-acpi" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Linux IBM ACPI]     [Linux Power Management]     [Linux Kernel]     [Linux Laptop]     [Kernel Newbies]     [Share Photos]     [Security]     [Netfilter]     [Bugtraq]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Samba]     [Video 4 Linux]     [Device Mapper]     [Linux Resources]

  Powered by Linux