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| author | Tejun Heo <tj@kernel.org> | 2011-05-02 17:24:48 +0200 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2011-05-02 17:24:48 +0200 |
| commit | 2706a0bf7b02693ed88752df877f10c2206292ff (patch) | |
| tree | 0d59965472ca83443defb291e909a585e553b6d6 | |
| parent | c6f58878204b0414e00b43f9bcebf754284f95b4 (diff) | |
| download | blackbird-op-linux-2706a0bf7b02693ed88752df877f10c2206292ff.tar.gz blackbird-op-linux-2706a0bf7b02693ed88752df877f10c2206292ff.zip | |
x86, NUMA: Enable CONFIG_AMD_NUMA on 32bit too
Now that NUMA init path is unified, amdtopology can be enabled on
32bit. Make amdtopology.c safe on 32bit by explicitly using u64 and
drop X86_64 dependency from Kconfig.
Inclusion of bootmem.h is added for max_pfn declaration.
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Yinghai Lu <yinghai@kernel.org>
Cc: David Rientjes <rientjes@google.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
| -rw-r--r-- | arch/x86/Kconfig | 2 | ||||
| -rw-r--r-- | arch/x86/mm/amdtopology.c | 21 |
2 files changed, 12 insertions, 11 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 8db4fbf30b59..50cb68d2901d 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -1174,7 +1174,7 @@ comment "NUMA (Summit) requires SMP, 64GB highmem support, ACPI" config AMD_NUMA def_bool y prompt "Old style AMD Opteron NUMA detection" - depends on X86_64 && NUMA && PCI + depends on NUMA && PCI ---help--- Enable AMD NUMA node topology detection. You should say Y here if you have a multi processor AMD system. This uses an old method to diff --git a/arch/x86/mm/amdtopology.c b/arch/x86/mm/amdtopology.c index 0919c26820d4..5247d01329ca 100644 --- a/arch/x86/mm/amdtopology.c +++ b/arch/x86/mm/amdtopology.c @@ -12,6 +12,7 @@ #include <linux/module.h> #include <linux/nodemask.h> #include <linux/memblock.h> +#include <linux/bootmem.h> #include <asm/io.h> #include <linux/pci_ids.h> @@ -69,10 +70,10 @@ static __init void early_get_boot_cpu_id(void) int __init amd_numa_init(void) { - unsigned long start = PFN_PHYS(0); - unsigned long end = PFN_PHYS(max_pfn); + u64 start = PFN_PHYS(0); + u64 end = PFN_PHYS(max_pfn); unsigned numnodes; - unsigned long prevbase; + u64 prevbase; int i, j, nb; u32 nodeid, reg; unsigned int bits, cores, apicid_base; @@ -95,7 +96,7 @@ int __init amd_numa_init(void) prevbase = 0; for (i = 0; i < 8; i++) { - unsigned long base, limit; + u64 base, limit; base = read_pci_config(0, nb, 1, 0x40 + i*8); limit = read_pci_config(0, nb, 1, 0x44 + i*8); @@ -107,18 +108,18 @@ int __init amd_numa_init(void) continue; } if (nodeid >= numnodes) { - pr_info("Ignoring excess node %d (%lx:%lx)\n", nodeid, + pr_info("Ignoring excess node %d (%Lx:%Lx)\n", nodeid, base, limit); continue; } if (!limit) { - pr_info("Skipping node entry %d (base %lx)\n", + pr_info("Skipping node entry %d (base %Lx)\n", i, base); continue; } if ((base >> 8) & 3 || (limit >> 8) & 3) { - pr_err("Node %d using interleaving mode %lx/%lx\n", + pr_err("Node %d using interleaving mode %Lx/%Lx\n", nodeid, (base >> 8) & 3, (limit >> 8) & 3); return -EINVAL; } @@ -150,19 +151,19 @@ int __init amd_numa_init(void) continue; } if (limit < base) { - pr_err("Node %d bogus settings %lx-%lx.\n", + pr_err("Node %d bogus settings %Lx-%Lx.\n", nodeid, base, limit); continue; } /* Could sort here, but pun for now. Should not happen anyroads. */ if (prevbase > base) { - pr_err("Node map not sorted %lx,%lx\n", + pr_err("Node map not sorted %Lx,%Lx\n", prevbase, base); return -EINVAL; } - pr_info("Node %d MemBase %016lx Limit %016lx\n", + pr_info("Node %d MemBase %016Lx Limit %016Lx\n", nodeid, base, limit); prevbase = base; |
