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x86: SGI UV: Fix IPI macros

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The UV BIOS has changed the way interrupt remapping is being done.
This affects the id used for sending IPIs. The upper id bits no
longer need to be masked off.

Signed-off-by: Jack Steiner <steiner@sgi.com>
Cc: <stable@kernel.org>
LKML-Reference: <20090909154104.GA25083@sgi.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Jack Steiner 2009-09-09 10:41:05 -05:00 • committed by Ingo Molnar
parent c2777f98c2
commit d2374aecda
1 changed files with 1 additions and 1 deletions
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2
arch/x86/include/asm/uv/uv_hub.h
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@ -422,7 +422,7 @@ static inline void uv_hub_send_ipi(int pnode, int apicid, int vector)
unsigned long val;
val = (1UL << UVH_IPI_INT_SEND_SHFT) |
((apicid & 0x3f) << UVH_IPI_INT_APIC_ID_SHFT) |
((apicid) << UVH_IPI_INT_APIC_ID_SHFT) |
(vector << UVH_IPI_INT_VECTOR_SHFT);
uv_write_global_mmr64(pnode, UVH_IPI_INT, val);
}