diff options
| author | Christoph Hellwig <hch@lst.de> | 2020-05-04 20:15:24 +0300 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2020-05-07 16:32:22 +0300 |
| commit | 8e77554580250f1185cffd8d3ac6a9b01de05d60 (patch) | |
| tree | dc9778e87a6b832dea587b1a50d897a2b6ab4d57 | |
| parent | 8263b059379c4a95fe0181db1e5a2e9c2229d929 (diff) | |
| download | linux-8e77554580250f1185cffd8d3ac6a9b01de05d60.tar.xz | |
x86/platform/uv: Simplify uv_send_IPI_one()
Merge two helpers only used by uv_send_IPI_one() into the main function.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Not-acked-by: Dimitri Sivanich <sivanich@hpe.com>
Cc: Russ Anderson <rja@hpe.com>
Link: https://lkml.kernel.org/r/20200504171527.2845224-9-hch@lst.de
| -rw-r--r-- | arch/x86/include/asm/uv/uv_hub.h | 20 | ||||
| -rw-r--r-- | arch/x86/kernel/apic/x2apic_uv_x.c | 19 |
2 files changed, 14 insertions, 25 deletions
diff --git a/arch/x86/include/asm/uv/uv_hub.h b/arch/x86/include/asm/uv/uv_hub.h index a998e65e6a58..8a25d95cdf20 100644 --- a/arch/x86/include/asm/uv/uv_hub.h +++ b/arch/x86/include/asm/uv/uv_hub.h @@ -837,26 +837,6 @@ static inline void uv_set_cpu_scir_bits(int cpu, unsigned char value) } extern unsigned int uv_apicid_hibits; -static unsigned long uv_hub_ipi_value(int apicid, int vector, int mode) -{ - apicid |= uv_apicid_hibits; - return (1UL << UVH_IPI_INT_SEND_SHFT) | - ((apicid) << UVH_IPI_INT_APIC_ID_SHFT) | - (mode << UVH_IPI_INT_DELIVERY_MODE_SHFT) | - (vector << UVH_IPI_INT_VECTOR_SHFT); -} - -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 = uv_hub_ipi_value(apicid, vector, dmode); - uv_write_global_mmr64(pnode, UVH_IPI_INT, val); -} /* * Get the minimum revision number of the hub chips within the partition. diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c index f1a0142e2731..3830538095e6 100644 --- a/arch/x86/kernel/apic/x2apic_uv_x.c +++ b/arch/x86/kernel/apic/x2apic_uv_x.c @@ -588,12 +588,21 @@ static int uv_wakeup_secondary(int phys_apicid, unsigned long start_rip) static void uv_send_IPI_one(int cpu, int vector) { - unsigned long apicid; - int pnode; + unsigned long apicid = per_cpu(x86_cpu_to_apicid, cpu); + int pnode = uv_apicid_to_pnode(apicid); + unsigned long dmode, val; + + if (vector == NMI_VECTOR) + dmode = dest_NMI; + else + dmode = dest_Fixed; - apicid = per_cpu(x86_cpu_to_apicid, cpu); - pnode = uv_apicid_to_pnode(apicid); - uv_hub_send_ipi(pnode, apicid, vector); + val = (1UL << UVH_IPI_INT_SEND_SHFT) | + ((apicid | uv_apicid_hibits) << 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); } static void uv_send_IPI_mask(const struct cpumask *mask, int vector) |