When sending a NMI_VECTOR IPI using the UV_HUB_IPI_INT register, we need to ensure the delivery mode field of that register has NMI delivery selected. To: Ingo Molnar To: tglx@linutronix.de Signed-off-by: Robin Holt Acked-by: Jack Steiner Cc: linux-kernel@vger.kernel.org Cc: stable@kernel.org Cc: Martin Hicks --- V2 - use dest_* instead of hard coded values for delivery modes. arch/x86/include/asm/uv/uv_hub.h | 7 +++++++ 1 file changed, 7 insertions(+) Index: linux-x86/arch/x86/include/asm/uv/uv_hub.h =================================================================== --- linux-x86.orig/arch/x86/include/asm/uv/uv_hub.h 2009-10-20 13:44:17.000000000 -0500 +++ linux-x86/arch/x86/include/asm/uv/uv_hub.h 2009-10-20 13:59:30.000000000 -0500 @@ -19,6 +19,8 @@ #include #include #include +#include +#include /* @@ -435,9 +437,14 @@ static inline void uv_set_cpu_scir_bits( static inline void uv_hub_send_ipi(int pnode, int apicid, int vector) { unsigned long val; + unsigned long dmode = dest_Fixed; + + if (vector == NMI_VECTOR) + dmode = dest_NMI; val = (1UL << UVH_IPI_INT_SEND_SHFT) | ((apicid) << UVH_IPI_INT_APIC_ID_SHFT) | + (dmode << UVH_IPI_INT_DELIVERY_MODE_SHFT) | (vector << UVH_IPI_INT_VECTOR_SHFT); uv_write_global_mmr64(pnode, UVH_IPI_INT, val); } -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/