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-rw-r--r--arch/sparc/kernel/Makefile3
-rw-r--r--arch/sparc/kernel/chmc.c2
-rw-r--r--arch/sparc/kernel/irq_32.c12
-rw-r--r--arch/sparc/kernel/irq_64.c11
-rw-r--r--arch/sparc/kernel/led.c4
-rw-r--r--arch/sparc/kernel/pci.c2
-rw-r--r--arch/sparc/kernel/pci_common.c2
-rw-r--r--arch/sparc/kernel/perf_event.c3
-rw-r--r--arch/sparc/kernel/prom_32.c4
-rw-r--r--arch/sparc/kernel/setup.c46
-rw-r--r--arch/sparc/kernel/smp_64.c4
-rw-r--r--arch/sparc/kernel/sys_sparc_32.c17
-rw-r--r--arch/sparc/kernel/sys_sparc_64.c37
-rw-r--r--arch/sparc/kernel/syscalls/syscall.tbl5
-rw-r--r--arch/sparc/kernel/time_32.c1
-rw-r--r--arch/sparc/kernel/time_64.c1
-rw-r--r--arch/sparc/kernel/vio.c6
-rw-r--r--arch/sparc/kernel/viohs.c2
-rw-r--r--arch/sparc/kernel/vmlinux.lds.S5
19 files changed, 125 insertions, 42 deletions
diff --git a/arch/sparc/kernel/Makefile b/arch/sparc/kernel/Makefile
index 58ea4ef9b622..36f2727e1445 100644
--- a/arch/sparc/kernel/Makefile
+++ b/arch/sparc/kernel/Makefile
@@ -9,7 +9,7 @@ asflags-y := -ansi
# Undefine sparc when processing vmlinux.lds - it is used
# And teach CPP we are doing $(BITS) builds (for this case)
CPPFLAGS_vmlinux.lds := -Usparc -m$(BITS)
-extra-y += vmlinux.lds
+always-$(KBUILD_BUILTIN) += vmlinux.lds
ifdef CONFIG_FUNCTION_TRACER
# Do not profile debug and lowlevel utilities
@@ -35,6 +35,7 @@ obj-y += process.o
obj-y += signal_$(BITS).o
obj-y += sigutil_$(BITS).o
obj-$(CONFIG_SPARC32) += ioport.o
+obj-y += setup.o
obj-y += setup_$(BITS).o
obj-y += idprom.o
obj-y += sys_sparc_$(BITS).o
diff --git a/arch/sparc/kernel/chmc.c b/arch/sparc/kernel/chmc.c
index e02074062001..d4c74d6b2e1b 100644
--- a/arch/sparc/kernel/chmc.c
+++ b/arch/sparc/kernel/chmc.c
@@ -814,7 +814,7 @@ static struct platform_driver us3mc_driver = {
.of_match_table = us3mc_match,
},
.probe = us3mc_probe,
- .remove_new = us3mc_remove,
+ .remove = us3mc_remove,
};
static inline bool us3mc_platform(void)
diff --git a/arch/sparc/kernel/irq_32.c b/arch/sparc/kernel/irq_32.c
index 8605dd710f3c..5210991429d5 100644
--- a/arch/sparc/kernel/irq_32.c
+++ b/arch/sparc/kernel/irq_32.c
@@ -199,18 +199,18 @@ int arch_show_interrupts(struct seq_file *p, int prec)
int j;
#ifdef CONFIG_SMP
- seq_printf(p, "RES: ");
+ seq_printf(p, "RES:");
for_each_online_cpu(j)
- seq_printf(p, "%10u ", cpu_data(j).irq_resched_count);
+ seq_put_decimal_ull_width(p, " ", cpu_data(j).irq_resched_count, 10);
seq_printf(p, " IPI rescheduling interrupts\n");
- seq_printf(p, "CAL: ");
+ seq_printf(p, "CAL:");
for_each_online_cpu(j)
- seq_printf(p, "%10u ", cpu_data(j).irq_call_count);
+ seq_put_decimal_ull_width(p, " ", cpu_data(j).irq_call_count, 10);
seq_printf(p, " IPI function call interrupts\n");
#endif
- seq_printf(p, "NMI: ");
+ seq_printf(p, "NMI:");
for_each_online_cpu(j)
- seq_printf(p, "%10u ", cpu_data(j).counter);
+ seq_put_decimal_ull_width(p, " ", cpu_data(j).counter, 10);
seq_printf(p, " Non-maskable interrupts\n");
return 0;
}
diff --git a/arch/sparc/kernel/irq_64.c b/arch/sparc/kernel/irq_64.c
index 01ee800efde3..ded463c82abd 100644
--- a/arch/sparc/kernel/irq_64.c
+++ b/arch/sparc/kernel/irq_64.c
@@ -22,6 +22,7 @@
#include <linux/seq_file.h>
#include <linux/ftrace.h>
#include <linux/irq.h>
+#include <linux/string_choices.h>
#include <asm/ptrace.h>
#include <asm/processor.h>
@@ -145,9 +146,7 @@ static int hv_irq_version;
*/
static bool sun4v_cookie_only_virqs(void)
{
- if (hv_irq_version >= 3)
- return true;
- return false;
+ return hv_irq_version >= 3;
}
static void __init irq_init_hv(void)
@@ -170,7 +169,7 @@ static void __init irq_init_hv(void)
pr_info("SUN4V: Using IRQ API major %d, cookie only virqs %s\n",
hv_irq_version,
- sun4v_cookie_only_virqs() ? "enabled" : "disabled");
+ str_enabled_disabled(sun4v_cookie_only_virqs()));
}
/* This function is for the timer interrupt.*/
@@ -304,9 +303,9 @@ int arch_show_interrupts(struct seq_file *p, int prec)
{
int j;
- seq_printf(p, "NMI: ");
+ seq_printf(p, "NMI:");
for_each_online_cpu(j)
- seq_printf(p, "%10u ", cpu_data(j).__nmi_count);
+ seq_put_decimal_ull_width(p, " ", cpu_data(j).__nmi_count, 10);
seq_printf(p, " Non-maskable interrupts\n");
return 0;
}
diff --git a/arch/sparc/kernel/led.c b/arch/sparc/kernel/led.c
index ab657b359789..f4fb82b019bb 100644
--- a/arch/sparc/kernel/led.c
+++ b/arch/sparc/kernel/led.c
@@ -84,7 +84,7 @@ static ssize_t led_proc_write(struct file *file, const char __user *buffer,
/* before we change anything we want to stop any running timers,
* otherwise calls such as on will have no persistent effect
*/
- del_timer_sync(&led_blink_timer);
+ timer_delete_sync(&led_blink_timer);
if (!strcmp(buf, "on")) {
auxio_set_led(AUXIO_LED_ON);
@@ -134,7 +134,7 @@ static int __init led_init(void)
static void __exit led_exit(void)
{
remove_proc_entry("led", NULL);
- del_timer_sync(&led_blink_timer);
+ timer_delete_sync(&led_blink_timer);
}
module_init(led_init);
diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c
index 50a0927a84a6..ddac216a2aff 100644
--- a/arch/sparc/kernel/pci.c
+++ b/arch/sparc/kernel/pci.c
@@ -932,7 +932,7 @@ static void pci_bus_slot_names(struct device_node *node, struct pci_bus *bus)
{
const struct pci_slot_names {
u32 slot_mask;
- char names[0];
+ char names[];
} *prop;
const char *sp;
int len, i;
diff --git a/arch/sparc/kernel/pci_common.c b/arch/sparc/kernel/pci_common.c
index 5eeec9ad6845..2576f4f31309 100644
--- a/arch/sparc/kernel/pci_common.c
+++ b/arch/sparc/kernel/pci_common.c
@@ -361,7 +361,7 @@ void pci_determine_mem_io_space(struct pci_pbm_info *pbm)
int i, saw_mem, saw_io;
int num_pbm_ranges;
- /* Corresponding generic code in of_pci_get_host_bridge_resources() */
+ /* Corresponds to generic devm_of_pci_get_host_bridge_resources() */
saw_mem = saw_io = 0;
pbm_ranges = of_get_property(pbm->op->dev.of_node, "ranges", &i);
diff --git a/arch/sparc/kernel/perf_event.c b/arch/sparc/kernel/perf_event.c
index f02a283a8e8f..cae4d33002a5 100644
--- a/arch/sparc/kernel/perf_event.c
+++ b/arch/sparc/kernel/perf_event.c
@@ -1668,8 +1668,7 @@ static int __kprobes perf_event_nmi_handler(struct notifier_block *self,
if (!sparc_perf_event_set_period(event, hwc, idx))
continue;
- if (perf_event_overflow(event, &data, regs))
- sparc_pmu_stop(event, 0);
+ perf_event_overflow(event, &data, regs);
}
finish_clock = sched_clock();
diff --git a/arch/sparc/kernel/prom_32.c b/arch/sparc/kernel/prom_32.c
index 3df960c137f7..a67dd67f10c8 100644
--- a/arch/sparc/kernel/prom_32.c
+++ b/arch/sparc/kernel/prom_32.c
@@ -28,9 +28,7 @@ void * __init prom_early_alloc(unsigned long size)
{
void *ret;
- ret = memblock_alloc(size, SMP_CACHE_BYTES);
- if (!ret)
- panic("%s: Failed to allocate %lu bytes\n", __func__, size);
+ ret = memblock_alloc_or_panic(size, SMP_CACHE_BYTES);
prom_early_allocated += size;
diff --git a/arch/sparc/kernel/setup.c b/arch/sparc/kernel/setup.c
new file mode 100644
index 000000000000..4975867d9001
--- /dev/null
+++ b/arch/sparc/kernel/setup.c
@@ -0,0 +1,46 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include <asm/setup.h>
+#include <linux/sysctl.h>
+
+static const struct ctl_table sparc_sysctl_table[] = {
+ {
+ .procname = "reboot-cmd",
+ .data = reboot_command,
+ .maxlen = 256,
+ .mode = 0644,
+ .proc_handler = proc_dostring,
+ },
+ {
+ .procname = "stop-a",
+ .data = &stop_a_enabled,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec,
+ },
+ {
+ .procname = "scons-poweroff",
+ .data = &scons_pwroff,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec,
+ },
+#ifdef CONFIG_SPARC64
+ {
+ .procname = "tsb-ratio",
+ .data = &sysctl_tsb_ratio,
+ .maxlen = sizeof(int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec,
+ },
+#endif
+};
+
+
+static int __init init_sparc_sysctls(void)
+{
+ register_sysctl_init("kernel", sparc_sysctl_table);
+ return 0;
+}
+
+arch_initcall(init_sparc_sysctls);
diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c
index e40c395db202..5cbd6ed5ef6f 100644
--- a/arch/sparc/kernel/smp_64.c
+++ b/arch/sparc/kernel/smp_64.c
@@ -297,9 +297,7 @@ static void ldom_startcpu_cpuid(unsigned int cpu, unsigned long thread_reg,
unsigned long hv_err;
int i;
- hdesc = kzalloc(sizeof(*hdesc) +
- (sizeof(struct hvtramp_mapping) *
- num_kernel_image_mappings - 1),
+ hdesc = kzalloc(struct_size(hdesc, maps, num_kernel_image_mappings),
GFP_KERNEL);
if (!hdesc) {
printk(KERN_ERR "ldom_startcpu_cpuid: Cannot allocate "
diff --git a/arch/sparc/kernel/sys_sparc_32.c b/arch/sparc/kernel/sys_sparc_32.c
index 80822f922e76..fb31bc0c5b48 100644
--- a/arch/sparc/kernel/sys_sparc_32.c
+++ b/arch/sparc/kernel/sys_sparc_32.c
@@ -23,6 +23,7 @@
#include <linux/utsname.h>
#include <linux/smp.h>
#include <linux/ipc.h>
+#include <linux/hugetlb.h>
#include <linux/uaccess.h>
#include <asm/unistd.h>
@@ -42,12 +43,16 @@ SYSCALL_DEFINE0(getpagesize)
unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsigned long len, unsigned long pgoff, unsigned long flags, vm_flags_t vm_flags)
{
struct vm_unmapped_area_info info = {};
+ bool file_hugepage = false;
+
+ if (filp && is_file_hugepages(filp))
+ file_hugepage = true;
if (flags & MAP_FIXED) {
/* We do not accept a shared mapping if it would violate
* cache aliasing constraints.
*/
- if ((flags & MAP_SHARED) &&
+ if (!file_hugepage && (flags & MAP_SHARED) &&
((addr - (pgoff << PAGE_SHIFT)) & (SHMLBA - 1)))
return -EINVAL;
return addr;
@@ -62,9 +67,13 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
info.length = len;
info.low_limit = addr;
info.high_limit = TASK_SIZE;
- info.align_mask = (flags & MAP_SHARED) ?
- (PAGE_MASK & (SHMLBA - 1)) : 0;
- info.align_offset = pgoff << PAGE_SHIFT;
+ if (!file_hugepage) {
+ info.align_mask = (flags & MAP_SHARED) ?
+ (PAGE_MASK & (SHMLBA - 1)) : 0;
+ info.align_offset = pgoff << PAGE_SHIFT;
+ } else {
+ info.align_mask = huge_page_mask_align(filp);
+ }
return vm_unmapped_area(&info);
}
diff --git a/arch/sparc/kernel/sys_sparc_64.c b/arch/sparc/kernel/sys_sparc_64.c
index acade309dc2f..c5a284df7b41 100644
--- a/arch/sparc/kernel/sys_sparc_64.c
+++ b/arch/sparc/kernel/sys_sparc_64.c
@@ -30,6 +30,7 @@
#include <linux/context_tracking.h>
#include <linux/timex.h>
#include <linux/uaccess.h>
+#include <linux/hugetlb.h>
#include <asm/utrap.h>
#include <asm/unistd.h>
@@ -87,6 +88,16 @@ static inline unsigned long COLOR_ALIGN(unsigned long addr,
return base + off;
}
+static unsigned long get_align_mask(struct file *filp, unsigned long flags)
+{
+ if (filp && is_file_hugepages(filp))
+ return huge_page_mask_align(filp);
+ if (filp || (flags & MAP_SHARED))
+ return PAGE_MASK & (SHMLBA - 1);
+
+ return 0;
+}
+
unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsigned long len, unsigned long pgoff, unsigned long flags, vm_flags_t vm_flags)
{
struct mm_struct *mm = current->mm;
@@ -94,12 +105,16 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
unsigned long task_size = TASK_SIZE;
int do_color_align;
struct vm_unmapped_area_info info = {};
+ bool file_hugepage = false;
+
+ if (filp && is_file_hugepages(filp))
+ file_hugepage = true;
if (flags & MAP_FIXED) {
/* We do not accept a shared mapping if it would violate
* cache aliasing constraints.
*/
- if ((flags & MAP_SHARED) &&
+ if (!file_hugepage && (flags & MAP_SHARED) &&
((addr - (pgoff << PAGE_SHIFT)) & (SHMLBA - 1)))
return -EINVAL;
return addr;
@@ -111,7 +126,7 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
return -ENOMEM;
do_color_align = 0;
- if (filp || (flags & MAP_SHARED))
+ if ((filp || (flags & MAP_SHARED)) && !file_hugepage)
do_color_align = 1;
if (addr) {
@@ -129,8 +144,9 @@ unsigned long arch_get_unmapped_area(struct file *filp, unsigned long addr, unsi
info.length = len;
info.low_limit = TASK_UNMAPPED_BASE;
info.high_limit = min(task_size, VA_EXCLUDE_START);
- info.align_mask = do_color_align ? (PAGE_MASK & (SHMLBA - 1)) : 0;
- info.align_offset = pgoff << PAGE_SHIFT;
+ info.align_mask = get_align_mask(filp, flags);
+ if (!file_hugepage)
+ info.align_offset = pgoff << PAGE_SHIFT;
addr = vm_unmapped_area(&info);
if ((addr & ~PAGE_MASK) && task_size > VA_EXCLUDE_END) {
@@ -154,15 +170,19 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
unsigned long addr = addr0;
int do_color_align;
struct vm_unmapped_area_info info = {};
+ bool file_hugepage = false;
/* This should only ever run for 32-bit processes. */
BUG_ON(!test_thread_flag(TIF_32BIT));
+ if (filp && is_file_hugepages(filp))
+ file_hugepage = true;
+
if (flags & MAP_FIXED) {
/* We do not accept a shared mapping if it would violate
* cache aliasing constraints.
*/
- if ((flags & MAP_SHARED) &&
+ if (!file_hugepage && (flags & MAP_SHARED) &&
((addr - (pgoff << PAGE_SHIFT)) & (SHMLBA - 1)))
return -EINVAL;
return addr;
@@ -172,7 +192,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
return -ENOMEM;
do_color_align = 0;
- if (filp || (flags & MAP_SHARED))
+ if ((filp || (flags & MAP_SHARED)) && !file_hugepage)
do_color_align = 1;
/* requesting a specific address */
@@ -192,8 +212,9 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
info.length = len;
info.low_limit = PAGE_SIZE;
info.high_limit = mm->mmap_base;
- info.align_mask = do_color_align ? (PAGE_MASK & (SHMLBA - 1)) : 0;
- info.align_offset = pgoff << PAGE_SHIFT;
+ info.align_mask = get_align_mask(filp, flags);
+ if (!file_hugepage)
+ info.align_offset = pgoff << PAGE_SHIFT;
addr = vm_unmapped_area(&info);
/*
diff --git a/arch/sparc/kernel/syscalls/syscall.tbl b/arch/sparc/kernel/syscalls/syscall.tbl
index cfdfb3707c16..83e45eb6c095 100644
--- a/arch/sparc/kernel/syscalls/syscall.tbl
+++ b/arch/sparc/kernel/syscalls/syscall.tbl
@@ -508,3 +508,8 @@
460 common lsm_set_self_attr sys_lsm_set_self_attr
461 common lsm_list_modules sys_lsm_list_modules
462 common mseal sys_mseal
+463 common setxattrat sys_setxattrat
+464 common getxattrat sys_getxattrat
+465 common listxattrat sys_listxattrat
+466 common removexattrat sys_removexattrat
+467 common open_tree_attr sys_open_tree_attr
diff --git a/arch/sparc/kernel/time_32.c b/arch/sparc/kernel/time_32.c
index 08bbdc458596..578fd0d49f30 100644
--- a/arch/sparc/kernel/time_32.c
+++ b/arch/sparc/kernel/time_32.c
@@ -255,6 +255,7 @@ static void mostek_write_byte(struct device *dev, u32 ofs, u8 val)
static struct m48t59_plat_data m48t59_data = {
.read_byte = mostek_read_byte,
.write_byte = mostek_write_byte,
+ .yy_offset = 68,
};
/* resource is set at runtime */
diff --git a/arch/sparc/kernel/time_64.c b/arch/sparc/kernel/time_64.c
index 60f1c8cc5363..b32f27f929d1 100644
--- a/arch/sparc/kernel/time_64.c
+++ b/arch/sparc/kernel/time_64.c
@@ -544,6 +544,7 @@ static void mostek_write_byte(struct device *dev, u32 ofs, u8 val)
static struct m48t59_plat_data m48t59_data = {
.read_byte = mostek_read_byte,
.write_byte = mostek_write_byte,
+ .yy_offset = 68,
};
static struct platform_device m48t59_rtc = {
diff --git a/arch/sparc/kernel/vio.c b/arch/sparc/kernel/vio.c
index 07933d75ac81..1a1a9d6b8f2e 100644
--- a/arch/sparc/kernel/vio.c
+++ b/arch/sparc/kernel/vio.c
@@ -419,13 +419,13 @@ struct vio_remove_node_data {
u64 node;
};
-static int vio_md_node_match(struct device *dev, void *arg)
+static int vio_md_node_match(struct device *dev, const void *arg)
{
struct vio_dev *vdev = to_vio_dev(dev);
- struct vio_remove_node_data *node_data;
+ const struct vio_remove_node_data *node_data;
u64 node;
- node_data = (struct vio_remove_node_data *)arg;
+ node_data = (const struct vio_remove_node_data *)arg;
node = vio_vdev_node(node_data->hp, vdev);
diff --git a/arch/sparc/kernel/viohs.c b/arch/sparc/kernel/viohs.c
index e27afd233bf5..8fb2e7ca5015 100644
--- a/arch/sparc/kernel/viohs.c
+++ b/arch/sparc/kernel/viohs.c
@@ -804,7 +804,7 @@ EXPORT_SYMBOL(vio_port_up);
static void vio_port_timer(struct timer_list *t)
{
- struct vio_driver_state *vio = from_timer(vio, t, timer);
+ struct vio_driver_state *vio = timer_container_of(vio, t, timer);
vio_port_up(vio);
}
diff --git a/arch/sparc/kernel/vmlinux.lds.S b/arch/sparc/kernel/vmlinux.lds.S
index d317a843f7ea..f1b86eb30340 100644
--- a/arch/sparc/kernel/vmlinux.lds.S
+++ b/arch/sparc/kernel/vmlinux.lds.S
@@ -48,6 +48,11 @@ SECTIONS
{
_text = .;
HEAD_TEXT
+ ALIGN_FUNCTION();
+#ifdef CONFIG_SPARC64
+ /* Match text section symbols in head_64.S first */
+ *head_64.o(.text)
+#endif
TEXT_TEXT
SCHED_TEXT
LOCK_TEXT
generated by cgit v1.2.3 (git 2.39.0) at 2025-08-27 06:04:24 +0300