summaryrefslogtreecommitdiff
path: root/arch/mips
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips')
-rw-r--r--arch/mips/generic/board-ni169445.its.S2
-rw-r--r--arch/mips/generic/init.c2
-rw-r--r--arch/mips/generic/kexec.c2
-rw-r--r--arch/mips/include/asm/mips-cm.h4
-rw-r--r--arch/mips/include/asm/stackframe.h8
-rw-r--r--arch/mips/kernel/probes-common.h2
-rw-r--r--arch/mips/kernel/smp-cmp.c6
-rw-r--r--arch/mips/kernel/smp-cps.c2
-rw-r--r--arch/mips/kernel/smp.c24
-rw-r--r--arch/mips/mm/uasm-micromips.c2
-rw-r--r--arch/mips/net/ebpf_jit.c2
11 files changed, 33 insertions, 23 deletions
diff --git a/arch/mips/generic/board-ni169445.its.S b/arch/mips/generic/board-ni169445.its.S
index d12e12fe90be..e4cb4f95a8cc 100644
--- a/arch/mips/generic/board-ni169445.its.S
+++ b/arch/mips/generic/board-ni169445.its.S
@@ -1,4 +1,4 @@
-{
+/ {
images {
fdt@ni169445 {
description = "NI 169445 device tree";
diff --git a/arch/mips/generic/init.c b/arch/mips/generic/init.c
index cf409ba358a1..5ba6fcc26fa7 100644
--- a/arch/mips/generic/init.c
+++ b/arch/mips/generic/init.c
@@ -20,7 +20,7 @@
#include <asm/fw/fw.h>
#include <asm/irq_cpu.h>
#include <asm/machine.h>
-#include <asm/mips-cpc.h>
+#include <asm/mips-cps.h>
#include <asm/prom.h>
#include <asm/smp-ops.h>
#include <asm/time.h>
diff --git a/arch/mips/generic/kexec.c b/arch/mips/generic/kexec.c
index e9fb735299e3..1ca409f58929 100644
--- a/arch/mips/generic/kexec.c
+++ b/arch/mips/generic/kexec.c
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2016 Imagination Technologies
- * Author: Marcin Nowakowski <marcin.nowakowski@imgtec.com>
+ * Author: Marcin Nowakowski <marcin.nowakowski@mips.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
diff --git a/arch/mips/include/asm/mips-cm.h b/arch/mips/include/asm/mips-cm.h
index 3708b8ccc0b4..8bc5df49b0e1 100644
--- a/arch/mips/include/asm/mips-cm.h
+++ b/arch/mips/include/asm/mips-cm.h
@@ -142,8 +142,8 @@ GCR_ACCESSOR_RO(64, 0x000, config)
GCR_ACCESSOR_RW(64, 0x008, base)
#define CM_GCR_BASE_GCRBASE GENMASK_ULL(47, 15)
#define CM_GCR_BASE_CMDEFTGT GENMASK(1, 0)
-#define CM_GCR_BASE_CMDEFTGT_DISABLED 0
-#define CM_GCR_BASE_CMDEFTGT_MEM 1
+#define CM_GCR_BASE_CMDEFTGT_MEM 0
+#define CM_GCR_BASE_CMDEFTGT_RESERVED 1
#define CM_GCR_BASE_CMDEFTGT_IOCU0 2
#define CM_GCR_BASE_CMDEFTGT_IOCU1 3
diff --git a/arch/mips/include/asm/stackframe.h b/arch/mips/include/asm/stackframe.h
index 5d3563c55e0c..2161357cc68f 100644
--- a/arch/mips/include/asm/stackframe.h
+++ b/arch/mips/include/asm/stackframe.h
@@ -199,6 +199,10 @@
sll k0, 3 /* extract cu0 bit */
.set noreorder
bltz k0, 8f
+ move k0, sp
+ .if \docfi
+ .cfi_register sp, k0
+ .endif
#ifdef CONFIG_EVA
/*
* Flush interAptiv's Return Prediction Stack (RPS) by writing
@@ -225,10 +229,6 @@
MTC0 k0, CP0_ENTRYHI
#endif
.set reorder
- move k0, sp
- .if \docfi
- .cfi_register sp, k0
- .endif
/* Called from user mode, new stack. */
get_saved_sp docfi=\docfi tosp=1
8:
diff --git a/arch/mips/kernel/probes-common.h b/arch/mips/kernel/probes-common.h
index dd08e41134b6..d2bf77b18822 100644
--- a/arch/mips/kernel/probes-common.h
+++ b/arch/mips/kernel/probes-common.h
@@ -1,6 +1,6 @@
/*
* Copyright (C) 2016 Imagination Technologies
- * Author: Marcin Nowakowski <marcin.nowakowski@imgtec.com>
+ * Author: Marcin Nowakowski <marcin.nowakowski@mips.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
diff --git a/arch/mips/kernel/smp-cmp.c b/arch/mips/kernel/smp-cmp.c
index 05295a4909f1..a2322009cac3 100644
--- a/arch/mips/kernel/smp-cmp.c
+++ b/arch/mips/kernel/smp-cmp.c
@@ -19,7 +19,7 @@
#undef DEBUG
#include <linux/kernel.h>
-#include <linux/sched.h>
+#include <linux/sched/task_stack.h>
#include <linux/smp.h>
#include <linux/cpumask.h>
#include <linux/interrupt.h>
@@ -50,8 +50,8 @@ static void cmp_init_secondary(void)
#ifdef CONFIG_MIPS_MT_SMP
if (cpu_has_mipsmt)
- c->vpe_id = (read_c0_tcbind() >> TCBIND_CURVPE_SHIFT) &
- TCBIND_CURVPE;
+ cpu_set_vpe_id(c, (read_c0_tcbind() >> TCBIND_CURVPE_SHIFT) &
+ TCBIND_CURVPE);
#endif
}
diff --git a/arch/mips/kernel/smp-cps.c b/arch/mips/kernel/smp-cps.c
index 7d6af41888e8..ecc1a853f48d 100644
--- a/arch/mips/kernel/smp-cps.c
+++ b/arch/mips/kernel/smp-cps.c
@@ -306,7 +306,7 @@ static int cps_boot_secondary(int cpu, struct task_struct *idle)
int err;
/* We don't yet support booting CPUs in other clusters */
- if (cpu_cluster(&cpu_data[cpu]) != cpu_cluster(&current_cpu_data))
+ if (cpu_cluster(&cpu_data[cpu]) != cpu_cluster(&raw_current_cpu_data))
return -ENOSYS;
vpe_cfg->pc = (unsigned long)&smp_bootstrap;
diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c
index bbe19b64def5..88be966d3e61 100644
--- a/arch/mips/kernel/smp.c
+++ b/arch/mips/kernel/smp.c
@@ -42,7 +42,7 @@
#include <asm/processor.h>
#include <asm/idle.h>
#include <asm/r4k-timer.h>
-#include <asm/mips-cpc.h>
+#include <asm/mips-cps.h>
#include <asm/mmu_context.h>
#include <asm/time.h>
#include <asm/setup.h>
@@ -66,6 +66,7 @@ EXPORT_SYMBOL(cpu_sibling_map);
cpumask_t cpu_core_map[NR_CPUS] __read_mostly;
EXPORT_SYMBOL(cpu_core_map);
+static DECLARE_COMPLETION(cpu_starting);
static DECLARE_COMPLETION(cpu_running);
/*
@@ -374,6 +375,12 @@ asmlinkage void start_secondary(void)
cpumask_set_cpu(cpu, &cpu_coherent_mask);
notify_cpu_starting(cpu);
+ /* Notify boot CPU that we're starting & ready to sync counters */
+ complete(&cpu_starting);
+
+ synchronise_count_slave(cpu);
+
+ /* The CPU is running and counters synchronised, now mark it online */
set_cpu_online(cpu, true);
set_cpu_sibling_map(cpu);
@@ -381,8 +388,11 @@ asmlinkage void start_secondary(void)
calculate_cpu_foreign_map();
+ /*
+ * Notify boot CPU that we're up & online and it can safely return
+ * from __cpu_up
+ */
complete(&cpu_running);
- synchronise_count_slave(cpu);
/*
* irq will be enabled in ->smp_finish(), enabling it too early
@@ -445,17 +455,17 @@ int __cpu_up(unsigned int cpu, struct task_struct *tidle)
if (err)
return err;
- /*
- * We must check for timeout here, as the CPU will not be marked
- * online until the counters are synchronised.
- */
- if (!wait_for_completion_timeout(&cpu_running,
+ /* Wait for CPU to start and be ready to sync counters */
+ if (!wait_for_completion_timeout(&cpu_starting,
msecs_to_jiffies(1000))) {
pr_crit("CPU%u: failed to start\n", cpu);
return -EIO;
}
synchronise_count_master(cpu);
+
+ /* Wait for CPU to finish startup & mark itself online before return */
+ wait_for_completion(&cpu_running);
return 0;
}
diff --git a/arch/mips/mm/uasm-micromips.c b/arch/mips/mm/uasm-micromips.c
index c28ff53c8da0..cdb5a191b9d5 100644
--- a/arch/mips/mm/uasm-micromips.c
+++ b/arch/mips/mm/uasm-micromips.c
@@ -80,7 +80,7 @@ static const struct insn const insn_table_MM[insn_invalid] = {
[insn_jr] = {M(mm_pool32a_op, 0, 0, 0, mm_jalr_op, mm_pool32axf_op), RS},
[insn_lb] = {M(mm_lb32_op, 0, 0, 0, 0, 0), RT | RS | SIMM},
[insn_ld] = {0, 0},
- [insn_lh] = {M(mm_lh32_op, 0, 0, 0, 0, 0), RS | RS | SIMM},
+ [insn_lh] = {M(mm_lh32_op, 0, 0, 0, 0, 0), RT | RS | SIMM},
[insn_ll] = {M(mm_pool32c_op, 0, 0, (mm_ll_func << 1), 0, 0), RS | RT | SIMM},
[insn_lld] = {0, 0},
[insn_lui] = {M(mm_pool32i_op, mm_lui_op, 0, 0, 0, 0), RS | SIMM},
diff --git a/arch/mips/net/ebpf_jit.c b/arch/mips/net/ebpf_jit.c
index 01b7a87ea678..962b0259b4b6 100644
--- a/arch/mips/net/ebpf_jit.c
+++ b/arch/mips/net/ebpf_jit.c
@@ -1513,7 +1513,7 @@ ld_skb_common:
}
src = ebpf_to_mips_reg(ctx, insn, src_reg_no_fp);
if (src < 0)
- return dst;
+ return src;
if (BPF_MODE(insn->code) == BPF_XADD) {
switch (BPF_SIZE(insn->code)) {
case BPF_W:
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-27 08:58:26 +0300