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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-04-10 15:13:06 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-04-10 15:13:06 +0200
commit523aa3586ffb1fc11a9bf88f77ebaf71a15eb998 (patch)
tree1fe96f54e8f1e667798a49ae4b3f951feb136ae0 /arch/x86/kernel/apic
parentfd0f50db2eb72555ef8f70af14c1e3ee2079b32c (diff)
parent39da7c509acff13fc8cb12ec1bb20337c988ed36 (diff)
Merge 4.11-rc6 into driver-core-next
We want the fixes in here as well for testing. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/x86/kernel/apic')
-rw-r--r--arch/x86/kernel/apic/x2apic_uv_x.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c
index e9f8f8cdd570..86f20cc0a65e 100644
--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -1105,7 +1105,8 @@ void __init uv_init_hub_info(struct uv_hub_info_s *hi)
node_id.v = uv_read_local_mmr(UVH_NODE_ID);
uv_cpuid.gnode_shift = max_t(unsigned int, uv_cpuid.gnode_shift, mn.n_val);
hi->gnode_extra = (node_id.s.node_id & ~((1 << uv_cpuid.gnode_shift) - 1)) >> 1;
- hi->gnode_upper = (unsigned long)hi->gnode_extra << mn.m_val;
+ if (mn.m_val)
+ hi->gnode_upper = (u64)hi->gnode_extra << mn.m_val;
if (uv_gp_table) {
hi->global_mmr_base = uv_gp_table->mmr_base;