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-rw-r--r--arch/mips/kernel/mips-cpc.c1
-rw-r--r--arch/mips/kernel/proc.c2
-rw-r--r--arch/mips/kernel/setup.c22
-rw-r--r--arch/mips/kernel/smp.c6
-rw-r--r--arch/mips/kernel/time.c11
-rw-r--r--arch/mips/kernel/traps.c24
-rw-r--r--arch/mips/kernel/vpe-cmp.c4
-rw-r--r--arch/mips/kernel/vpe-mt.c11
8 files changed, 45 insertions, 36 deletions
diff --git a/arch/mips/kernel/mips-cpc.c b/arch/mips/kernel/mips-cpc.c
index fcf9af492d60..cf46502c605e 100644
--- a/arch/mips/kernel/mips-cpc.c
+++ b/arch/mips/kernel/mips-cpc.c
@@ -31,6 +31,7 @@ phys_addr_t __weak mips_cpc_default_phys_base(void)
cpc_node = of_find_compatible_node(of_root, NULL, "mti,mips-cpc");
if (cpc_node) {
err = of_address_to_resource(cpc_node, 0, &res);
+ of_node_put(cpc_node);
if (!err)
return res.start;
}
diff --git a/arch/mips/kernel/proc.c b/arch/mips/kernel/proc.c
index f8d36710cd58..d408b3a5bfd5 100644
--- a/arch/mips/kernel/proc.c
+++ b/arch/mips/kernel/proc.c
@@ -168,7 +168,7 @@ static void *c_start(struct seq_file *m, loff_t *pos)
{
unsigned long i = *pos;
- return i < NR_CPUS ? (void *) (i + 1) : NULL;
+ return i < nr_cpu_ids ? (void *) (i + 1) : NULL;
}
static void *c_next(struct seq_file *m, void *v, loff_t *pos)
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index 2c2480be3f36..b424f5e84487 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -11,6 +11,8 @@
* Copyright (C) 2000, 2001, 2002, 2007 Maciej W. Rozycki
*/
#include <linux/init.h>
+#include <linux/cpu.h>
+#include <linux/delay.h>
#include <linux/ioport.h>
#include <linux/export.h>
#include <linux/screen_info.h>
@@ -265,10 +267,6 @@ static unsigned long __init init_initrd(void)
pr_err("initrd start must be page aligned\n");
goto disable;
}
- if (initrd_start < PAGE_OFFSET) {
- pr_err("initrd start < PAGE_OFFSET\n");
- goto disable;
- }
/*
* Sanitize initrd addresses. For example firmware
@@ -281,6 +279,11 @@ static unsigned long __init init_initrd(void)
initrd_end = (unsigned long)__va(end);
initrd_start = (unsigned long)__va(__pa(initrd_start));
+ if (initrd_start < PAGE_OFFSET) {
+ pr_err("initrd start < PAGE_OFFSET\n");
+ goto disable;
+ }
+
ROOT_DEV = Root_RAM0;
return PFN_UP(end);
disable:
@@ -1107,3 +1110,14 @@ static int __init setnocoherentio(char *str)
}
early_param("nocoherentio", setnocoherentio);
#endif
+
+void __init arch_cpu_finalize_init(void)
+{
+ unsigned int cpu = smp_processor_id();
+
+ cpu_data[cpu].udelay_val = loops_per_jiffy;
+ check_bugs32();
+
+ if (IS_ENABLED(CONFIG_CPU_R4X00_BUGS64))
+ check_bugs64();
+}
diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c
index d84b9066b465..7206a6977be9 100644
--- a/arch/mips/kernel/smp.c
+++ b/arch/mips/kernel/smp.c
@@ -372,6 +372,9 @@ asmlinkage void start_secondary(void)
cpu = smp_processor_id();
cpu_data[cpu].udelay_val = loops_per_jiffy;
+ set_cpu_sibling_map(cpu);
+ set_cpu_core_map(cpu);
+
cpumask_set_cpu(cpu, &cpu_coherent_mask);
notify_cpu_starting(cpu);
@@ -383,9 +386,6 @@ asmlinkage void start_secondary(void)
/* The CPU is running and counters synchronised, now mark it online */
set_cpu_online(cpu, true);
- set_cpu_sibling_map(cpu);
- set_cpu_core_map(cpu);
-
calculate_cpu_foreign_map();
/*
diff --git a/arch/mips/kernel/time.c b/arch/mips/kernel/time.c
index a0d994a4aaa9..ef79b3fc7588 100644
--- a/arch/mips/kernel/time.c
+++ b/arch/mips/kernel/time.c
@@ -140,15 +140,10 @@ static __init int cpu_has_mfc0_count_bug(void)
case CPU_R4400MC:
/*
* The published errata for the R4400 up to 3.0 say the CPU
- * has the mfc0 from count bug.
+ * has the mfc0 from count bug. This seems the last version
+ * produced.
*/
- if ((current_cpu_data.processor_id & 0xff) <= 0x30)
- return 1;
-
- /*
- * we assume newer revisions are ok
- */
- return 0;
+ return 1;
}
return 0;
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index b9da2cefb564..01c85d37c47a 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -412,7 +412,7 @@ void __noreturn die(const char *str, struct pt_regs *regs)
if (regs && kexec_should_crash(current))
crash_kexec(regs);
- do_exit(sig);
+ make_task_dead(sig);
}
extern struct exception_table_entry __start___dbe_table[];
@@ -1978,19 +1978,19 @@ static void *set_vi_srs_handler(int n, vi_handler_t addr, int srs)
* If no shadow set is selected then use the default handler
* that does normal register saving and standard interrupt exit
*/
- extern char except_vec_vi, except_vec_vi_lui;
- extern char except_vec_vi_ori, except_vec_vi_end;
- extern char rollback_except_vec_vi;
- char *vec_start = using_rollback_handler() ?
- &rollback_except_vec_vi : &except_vec_vi;
+ extern const u8 except_vec_vi[], except_vec_vi_lui[];
+ extern const u8 except_vec_vi_ori[], except_vec_vi_end[];
+ extern const u8 rollback_except_vec_vi[];
+ const u8 *vec_start = using_rollback_handler() ?
+ rollback_except_vec_vi : except_vec_vi;
#if defined(CONFIG_CPU_MICROMIPS) || defined(CONFIG_CPU_BIG_ENDIAN)
- const int lui_offset = &except_vec_vi_lui - vec_start + 2;
- const int ori_offset = &except_vec_vi_ori - vec_start + 2;
+ const int lui_offset = except_vec_vi_lui - vec_start + 2;
+ const int ori_offset = except_vec_vi_ori - vec_start + 2;
#else
- const int lui_offset = &except_vec_vi_lui - vec_start;
- const int ori_offset = &except_vec_vi_ori - vec_start;
+ const int lui_offset = except_vec_vi_lui - vec_start;
+ const int ori_offset = except_vec_vi_ori - vec_start;
#endif
- const int handler_len = &except_vec_vi_end - vec_start;
+ const int handler_len = except_vec_vi_end - vec_start;
if (handler_len > VECTORSPACING) {
/*
@@ -2210,7 +2210,7 @@ void per_cpu_trap_init(bool is_boot_cpu)
}
/* Install CPU exception handler */
-void set_handler(unsigned long offset, void *addr, unsigned long size)
+void set_handler(unsigned long offset, const void *addr, unsigned long size)
{
#ifdef CONFIG_CPU_MICROMIPS
memcpy((void *)(ebase + offset), ((unsigned char *)addr - 1), size);
diff --git a/arch/mips/kernel/vpe-cmp.c b/arch/mips/kernel/vpe-cmp.c
index 9268ebc0f61e..903c07bdc92d 100644
--- a/arch/mips/kernel/vpe-cmp.c
+++ b/arch/mips/kernel/vpe-cmp.c
@@ -75,7 +75,6 @@ ATTRIBUTE_GROUPS(vpe);
static void vpe_device_release(struct device *cd)
{
- kfree(cd);
}
static struct class vpe_class = {
@@ -157,6 +156,7 @@ out_dev:
device_del(&vpe_device);
out_class:
+ put_device(&vpe_device);
class_unregister(&vpe_class);
out_chrdev:
@@ -169,7 +169,7 @@ void __exit vpe_module_exit(void)
{
struct vpe *v, *n;
- device_del(&vpe_device);
+ device_unregister(&vpe_device);
class_unregister(&vpe_class);
unregister_chrdev(major, VPE_MODULE_NAME);
diff --git a/arch/mips/kernel/vpe-mt.c b/arch/mips/kernel/vpe-mt.c
index 2e003b11a098..496ed8f362f6 100644
--- a/arch/mips/kernel/vpe-mt.c
+++ b/arch/mips/kernel/vpe-mt.c
@@ -92,12 +92,11 @@ int vpe_run(struct vpe *v)
write_tc_c0_tchalt(read_tc_c0_tchalt() & ~TCHALT_H);
/*
- * The sde-kit passes 'memsize' to __start in $a3, so set something
- * here... Or set $a3 to zero and define DFLT_STACK_SIZE and
- * DFLT_HEAP_SIZE when you compile your program
+ * We don't pass the memsize here, so VPE programs need to be
+ * compiled with DFLT_STACK_SIZE and DFLT_HEAP_SIZE defined.
*/
+ mttgpr(7, 0);
mttgpr(6, v->ntcs);
- mttgpr(7, physical_memsize);
/* set up VPE1 */
/*
@@ -313,7 +312,6 @@ ATTRIBUTE_GROUPS(vpe);
static void vpe_device_release(struct device *cd)
{
- kfree(cd);
}
static struct class vpe_class = {
@@ -497,6 +495,7 @@ out_dev:
device_del(&vpe_device);
out_class:
+ put_device(&vpe_device);
class_unregister(&vpe_class);
out_chrdev:
@@ -509,7 +508,7 @@ void __exit vpe_module_exit(void)
{
struct vpe *v, *n;
- device_del(&vpe_device);
+ device_unregister(&vpe_device);
class_unregister(&vpe_class);
unregister_chrdev(major, VPE_MODULE_NAME);
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-05-21 14:03:01 +0000