powerpc/xive: Rename the 'cpus' debugfs file to 'ipis'

and remove the EQ entries output which is not very useful since only
the next two events of the queue are taken into account. We will
improve the dump of the EQ in the next patches.

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211105102636.1016378-7-clg@kaod.org

diff --git a/arch/powerpc/sysdev/xive/common.c b/arch/powerpc/sysdev/xive/common.c
index 34bbae9ee9635e8ecca0b07f92074662be2fec46..3ef3cc413b31d50b62d002a71533cb3b22f762b1 100644 (file)
--- a/arch/powerpc/sysdev/xive/common.c
+++ b/arch/powerpc/sysdev/xive/common.c
@@ -1703,11 +1703,11 @@ static int __init xive_off(char *arg)
 __setup("xive=off", xive_off);
 
 #ifdef CONFIG_DEBUG_FS
-static void xive_debug_show_cpu(struct seq_file *m, int cpu)
+static void xive_debug_show_ipi(struct seq_file *m, int cpu)
 {
        struct xive_cpu *xc = per_cpu(xive_cpu, cpu);
 
-       seq_printf(m, "CPU %d:", cpu);
+       seq_printf(m, "CPU %d: ", cpu);
        if (xc) {
                seq_printf(m, "pp=%02x CPPR=%02x ", xc->pending_prio, xc->cppr);
 
@@ -1719,19 +1719,6 @@ static void xive_debug_show_cpu(struct seq_file *m, int cpu)
                        seq_printf(m, "IPI=0x%08x %s", xc->hw_ipi, buffer);
                }
 #endif
-               {
-                       struct xive_q *q = &xc->queue[xive_irq_priority];
-                       u32 i0, i1, idx;
-
-                       if (q->qpage) {
-                               idx = q->idx;
-                               i0 = be32_to_cpup(q->qpage + idx);
-                               idx = (idx + 1) & q->msk;
-                               i1 = be32_to_cpup(q->qpage + idx);
-                               seq_printf(m, "EQ idx=%d T=%d %08x %08x ...",
-                                          q->idx, q->toggle, i0, i1);
-                       }
-               }
        }
        seq_puts(m, "\n");
 }
@@ -1774,7 +1761,7 @@ static int xive_irq_debug_show(struct seq_file *m, void *private)
 }
 DEFINE_SHOW_ATTRIBUTE(xive_irq_debug);
 
-static int xive_cpu_debug_show(struct seq_file *m, void *private)
+static int xive_ipi_debug_show(struct seq_file *m, void *private)
 {
        int cpu;
 
@@ -1782,10 +1769,10 @@ static int xive_cpu_debug_show(struct seq_file *m, void *private)
                xive_ops->debug_show(m, private);
 
        for_each_possible_cpu(cpu)
-               xive_debug_show_cpu(m, cpu);
+               xive_debug_show_ipi(m, cpu);
        return 0;
 }
-DEFINE_SHOW_ATTRIBUTE(xive_cpu_debug);
+DEFINE_SHOW_ATTRIBUTE(xive_ipi_debug);
 
 static void xive_core_debugfs_create(void)
 {
@@ -1795,8 +1782,8 @@ static void xive_core_debugfs_create(void)
        if (IS_ERR(xive_dir))
                return;
 
-       debugfs_create_file("cpus", 0400, xive_dir,
-                           NULL, &xive_cpu_debug_fops);
+       debugfs_create_file("ipis", 0400, xive_dir,
+                           NULL, &xive_ipi_debug_fops);
        debugfs_create_file("interrupts", 0400, xive_dir,
                            NULL, &xive_irq_debug_fops);
 }