[PATCH 2.6] small Altix mod [1/2]

From: Pat Gefre (pfg_at_sgi.com)
Date: 02/04/04

  • Next message: Jim Faulkner: "Re: major network performance difference between 2.4 and 2.6.2-rc2" 
    To: linux-kernel@vger.kernel.org
Date:	Wed, 4 Feb 2004 14:26:34 -0600 (CST)

    Here's a small mod to the Altix code.

    -- Pat

    # This is a BitKeeper generated patch for the following project:
    # Project Name: Linux kernel tree
    # This patch format is intended for GNU patch command version 2.5 or higher.
    # This patch includes the following deltas:
    # ChangeSet 1.1519 -> 1.1520
    # arch/ia64/sn/io/sn2/ml_SN_intr.c 1.8 -> 1.9
    #
    # The following is the BitKeeper ChangeSet Log
    # --------------------------------------------
    # 04/01/16 pfg@attica.americas.sgi.com 1.1520
    # arch/ia64/sn/io/sn2/ml_SN_intr.c
    # Use the pda to keep the num of interrupts
    # --------------------------------------------
    #
    diff -Nru a/arch/ia64/sn/io/sn2/ml_SN_intr.c b/arch/ia64/sn/io/sn2/ml_SN_intr.c
    --- a/arch/ia64/sn/io/sn2/ml_SN_intr.c Fri Jan 16 16:13:35 2004
    +++ b/arch/ia64/sn/io/sn2/ml_SN_intr.c Fri Jan 16 16:13:35 2004
    @@ -30,6 +30,7 @@
     #include <asm/sal.h>
     #include <asm/sn/sn_sal.h>
     #include <asm/sn/sn2/shub_mmr.h>
    +#include <asm/sn/pda.h>
     
     extern irqpda_t *irqpdaindr;
     extern cnodeid_t master_node_get(vertex_hdl_t vhdl);
    @@ -216,7 +217,6 @@
     {
             cpuid_t cpu, best_cpu = CPU_NONE;
             int slice, min_count = 1000;
    - irqpda_t *irqs;
     
             for (slice = CPUS_PER_NODE - 1; slice >= 0; slice--) {
                     int intrs;
    @@ -227,8 +227,7 @@
                     if (!cpu_online(cpu))
                             continue;
     
    - irqs = irqpdaindr;
    - intrs = irqs->num_irq_used;
    + intrs = pdacpu(cpu)->sn_num_irqs;
     
                     if (min_count > intrs) {
                             min_count = intrs;
    @@ -243,6 +242,7 @@
                             }
                     }
             }
    + pdacpu(best_cpu)->sn_num_irqs++;
             return best_cpu;
     }
    -
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  • Next message: Jim Faulkner: "Re: major network performance difference between 2.4 and 2.6.2-rc2"

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