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authorLinus Torvalds <torvalds@linux-foundation.org>2011-10-28 05:43:56 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2011-10-28 05:43:56 -0700
commitd630ba565f3d806d64df4415d4a8457b4ab23db6 (patch)
treee17a7699cc82b602b32ed27ce032a4a2fcc580f3 /arch/x86/kernel/apic
parent5fd862f1db941c302a872ed7e67eab593a6a931a (diff)
parent6a469e4665bc158599de55d64388861d0a9f10f4 (diff)
Merge branch 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
* 'x86-uv-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86: uv2: Workaround for UV2 Hub bug (system global address format)
Diffstat (limited to 'arch/x86/kernel/apic')
-rw-r--r--arch/x86/kernel/apic/x2apic_uv_x.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c
index 75be00ecfff..62ae3001ae0 100644
--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -820,6 +820,10 @@ void __init uv_system_init(void)
uv_cpu_hub_info(cpu)->apic_pnode_shift = uvh_apicid.s.pnode_shift;
uv_cpu_hub_info(cpu)->hub_revision = uv_hub_info->hub_revision;
+ uv_cpu_hub_info(cpu)->m_shift = 64 - m_val;
+ uv_cpu_hub_info(cpu)->n_lshift = is_uv2_1_hub() ?
+ (m_val == 40 ? 40 : 39) : m_val;
+
pnode = uv_apicid_to_pnode(apicid);
blade = boot_pnode_to_blade(pnode);
lcpu = uv_blade_info[blade].nr_possible_cpus;
@@ -850,8 +854,7 @@ void __init uv_system_init(void)
if (uv_node_to_blade[nid] >= 0)
continue;
paddr = node_start_pfn(nid) << PAGE_SHIFT;
- paddr = uv_soc_phys_ram_to_gpa(paddr);
- pnode = (paddr >> m_val) & pnode_mask;
+ pnode = uv_gpa_to_pnode(uv_soc_phys_ram_to_gpa(paddr));
blade = boot_pnode_to_blade(pnode);
uv_node_to_blade[nid] = blade;
}