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-rw-r--r--arch/tile/Kconfig1
-rw-r--r--arch/tile/Kconfig.debug7
-rw-r--r--arch/tile/include/asm/pgtable.h3
-rw-r--r--arch/tile/include/asm/processor.h2
-rw-r--r--arch/tile/include/asm/sections.h2
-rw-r--r--arch/tile/include/asm/uaccess.h2
-rw-r--r--arch/tile/kernel/irq.c2
-rw-r--r--arch/tile/kernel/messaging.c2
-rw-r--r--arch/tile/kernel/setup.c32
-rw-r--r--arch/tile/kernel/smpboot.c8
-rw-r--r--arch/tile/kernel/stack.c2
-rw-r--r--arch/tile/kernel/time.c2
-rw-r--r--arch/tile/kernel/vmlinux.lds.S4
-rw-r--r--arch/tile/mm/fault.c8
-rw-r--r--arch/tile/mm/init.c26
-rw-r--r--arch/tile/mm/mmap.c2
16 files changed, 40 insertions, 65 deletions
diff --git a/arch/tile/Kconfig b/arch/tile/Kconfig
index 3aa37669ff8..24565a7ffe6 100644
--- a/arch/tile/Kconfig
+++ b/arch/tile/Kconfig
@@ -25,6 +25,7 @@ config TILE
select HAVE_ARCH_TRACEHOOK
select HAVE_SYSCALL_TRACEPOINTS
select ARCH_HAS_ATOMIC64_DEC_IF_POSITIVE
+ select HAVE_DEBUG_STACKOVERFLOW
# FIXME: investigate whether we need/want these options.
# select HAVE_IOREMAP_PROT
diff --git a/arch/tile/Kconfig.debug b/arch/tile/Kconfig.debug
index ddbfc3322d7..9165ea979e8 100644
--- a/arch/tile/Kconfig.debug
+++ b/arch/tile/Kconfig.debug
@@ -14,13 +14,6 @@ config EARLY_PRINTK
with klogd/syslogd. You should normally N here,
unless you want to debug such a crash.
-config DEBUG_STACKOVERFLOW
- bool "Check for stack overflows"
- depends on DEBUG_KERNEL
- help
- This option will cause messages to be printed if free stack space
- drops below a certain limit.
-
config DEBUG_EXTRA_FLAGS
string "Additional compiler arguments when building with '-g'"
depends on DEBUG_INFO
diff --git a/arch/tile/include/asm/pgtable.h b/arch/tile/include/asm/pgtable.h
index 73b1a4c9ad0..33587f16c15 100644
--- a/arch/tile/include/asm/pgtable.h
+++ b/arch/tile/include/asm/pgtable.h
@@ -362,9 +362,6 @@ do { \
#define kern_addr_valid(addr) (1)
#endif /* CONFIG_FLATMEM */
-#define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \
- remap_pfn_range(vma, vaddr, pfn, size, prot)
-
extern void vmalloc_sync_all(void);
#endif /* !__ASSEMBLY__ */
diff --git a/arch/tile/include/asm/processor.h b/arch/tile/include/asm/processor.h
index 2b70dfb1442..b3f104953da 100644
--- a/arch/tile/include/asm/processor.h
+++ b/arch/tile/include/asm/processor.h
@@ -225,7 +225,7 @@ extern int do_work_pending(struct pt_regs *regs, u32 flags);
/*
* Return saved (kernel) PC of a blocked thread.
- * Only used in a printk() in kernel/sched.c, so don't work too hard.
+ * Only used in a printk() in kernel/sched/core.c, so don't work too hard.
*/
#define thread_saved_pc(t) ((t)->thread.pc)
diff --git a/arch/tile/include/asm/sections.h b/arch/tile/include/asm/sections.h
index d062d463fca..7d8a935a923 100644
--- a/arch/tile/include/asm/sections.h
+++ b/arch/tile/include/asm/sections.h
@@ -34,7 +34,7 @@ extern char __sys_cmpxchg_grab_lock[];
extern char __start_atomic_asm_code[], __end_atomic_asm_code[];
#endif
-/* Handle the discontiguity between _sdata and _stext. */
+/* Handle the discontiguity between _sdata and _text. */
static inline int arch_is_kernel_data(unsigned long addr)
{
return addr >= (unsigned long)_sdata &&
diff --git a/arch/tile/include/asm/uaccess.h b/arch/tile/include/asm/uaccess.h
index 8a082bc6bca..e4d44bd7df2 100644
--- a/arch/tile/include/asm/uaccess.h
+++ b/arch/tile/include/asm/uaccess.h
@@ -442,7 +442,7 @@ extern unsigned long __copy_in_user_inatomic(
static inline unsigned long __must_check
__copy_in_user(void __user *to, const void __user *from, unsigned long n)
{
- might_sleep();
+ might_fault();
return __copy_in_user_inatomic(to, from, n);
}
diff --git a/arch/tile/kernel/irq.c b/arch/tile/kernel/irq.c
index 02e62806501..3ccf2cd7182 100644
--- a/arch/tile/kernel/irq.c
+++ b/arch/tile/kernel/irq.c
@@ -220,7 +220,7 @@ void __init init_IRQ(void)
ipi_init();
}
-void __cpuinit setup_irq_regs(void)
+void setup_irq_regs(void)
{
/* Enable interrupt delivery. */
unmask_irqs(~0UL);
diff --git a/arch/tile/kernel/messaging.c b/arch/tile/kernel/messaging.c
index 0858ee6b520..00331af9525 100644
--- a/arch/tile/kernel/messaging.c
+++ b/arch/tile/kernel/messaging.c
@@ -25,7 +25,7 @@
/* All messages are stored here */
static DEFINE_PER_CPU(HV_MsgState, msg_state);
-void __cpuinit init_messaging(void)
+void init_messaging(void)
{
/* Allocate storage for messages in kernel space */
HV_MsgState *state = &__get_cpu_var(msg_state);
diff --git a/arch/tile/kernel/setup.c b/arch/tile/kernel/setup.c
index 7a5aa1a7864..eceb8344280 100644
--- a/arch/tile/kernel/setup.c
+++ b/arch/tile/kernel/setup.c
@@ -58,8 +58,8 @@ struct pglist_data node_data[MAX_NUMNODES] __read_mostly;
EXPORT_SYMBOL(node_data);
/* Information on the NUMA nodes that we compute early */
-unsigned long __cpuinitdata node_start_pfn[MAX_NUMNODES];
-unsigned long __cpuinitdata node_end_pfn[MAX_NUMNODES];
+unsigned long node_start_pfn[MAX_NUMNODES];
+unsigned long node_end_pfn[MAX_NUMNODES];
unsigned long __initdata node_memmap_pfn[MAX_NUMNODES];
unsigned long __initdata node_percpu_pfn[MAX_NUMNODES];
unsigned long __initdata node_free_pfn[MAX_NUMNODES];
@@ -84,7 +84,7 @@ unsigned long __initdata boot_pc = (unsigned long)start_kernel;
#ifdef CONFIG_HIGHMEM
/* Page frame index of end of lowmem on each controller. */
-unsigned long __cpuinitdata node_lowmem_end_pfn[MAX_NUMNODES];
+unsigned long node_lowmem_end_pfn[MAX_NUMNODES];
/* Number of pages that can be mapped into lowmem. */
static unsigned long __initdata mappable_physpages;
@@ -290,7 +290,7 @@ static void *__init setup_pa_va_mapping(void)
* This is up to 4 mappings for lowmem, one mapping per memory
* controller, plus one for our text segment.
*/
-static void __cpuinit store_permanent_mappings(void)
+static void store_permanent_mappings(void)
{
int i;
@@ -307,8 +307,8 @@ static void __cpuinit store_permanent_mappings(void)
hv_store_mapping(addr, pages << PAGE_SHIFT, pa);
}
- hv_store_mapping((HV_VirtAddr)_stext,
- (uint32_t)(_einittext - _stext), 0);
+ hv_store_mapping((HV_VirtAddr)_text,
+ (uint32_t)(_einittext - _text), 0);
}
/*
@@ -329,6 +329,7 @@ static void __init setup_memory(void)
#if defined(CONFIG_HIGHMEM) || defined(__tilegx__)
long lowmem_pages;
#endif
+ unsigned long physpages = 0;
/* We are using a char to hold the cpu_2_node[] mapping */
BUILD_BUG_ON(MAX_NUMNODES > 127);
@@ -388,8 +389,8 @@ static void __init setup_memory(void)
continue;
}
}
- if (num_physpages + PFN_DOWN(range.size) > maxmem_pfn) {
- int max_size = maxmem_pfn - num_physpages;
+ if (physpages + PFN_DOWN(range.size) > maxmem_pfn) {
+ int max_size = maxmem_pfn - physpages;
if (max_size > 0) {
pr_err("Maxmem reduced node %d to %d pages\n",
i, max_size);
@@ -446,7 +447,7 @@ static void __init setup_memory(void)
node_start_pfn[i] = start;
node_end_pfn[i] = end;
node_controller[i] = range.controller;
- num_physpages += size;
+ physpages += size;
max_pfn = end;
/* Mark node as online */
@@ -465,7 +466,7 @@ static void __init setup_memory(void)
* we're willing to use at 8 million pages (32GB of 4KB pages).
*/
cap = 8 * 1024 * 1024; /* 8 million pages */
- if (num_physpages > cap) {
+ if (physpages > cap) {
int num_nodes = num_online_nodes();
int cap_each = cap / num_nodes;
unsigned long dropped_pages = 0;
@@ -476,10 +477,10 @@ static void __init setup_memory(void)
node_end_pfn[i] = node_start_pfn[i] + cap_each;
}
}
- num_physpages -= dropped_pages;
+ physpages -= dropped_pages;
pr_warning("Only using %ldMB memory;"
" ignoring %ldMB.\n",
- num_physpages >> (20 - PAGE_SHIFT),
+ physpages >> (20 - PAGE_SHIFT),
dropped_pages >> (20 - PAGE_SHIFT));
pr_warning("Consider using a larger page size.\n");
}
@@ -497,7 +498,7 @@ static void __init setup_memory(void)
lowmem_pages = (mappable_physpages > MAXMEM_PFN) ?
MAXMEM_PFN : mappable_physpages;
- highmem_pages = (long) (num_physpages - lowmem_pages);
+ highmem_pages = (long) (physpages - lowmem_pages);
pr_notice("%ldMB HIGHMEM available.\n",
pages_to_mb(highmem_pages > 0 ? highmem_pages : 0));
@@ -514,7 +515,6 @@ static void __init setup_memory(void)
pr_warning("Use a HIGHMEM enabled kernel.\n");
max_low_pfn = MAXMEM_PFN;
max_pfn = MAXMEM_PFN;
- num_physpages = MAXMEM_PFN;
node_end_pfn[0] = MAXMEM_PFN;
} else {
pr_notice("%ldMB memory available.\n",
@@ -935,7 +935,7 @@ subsys_initcall(topology_init);
* So the values we set up here in the hypervisor may be overridden on
* the boot cpu as arguments are parsed.
*/
-static __cpuinit void init_super_pages(void)
+static void init_super_pages(void)
{
#ifdef CONFIG_HUGETLB_SUPER_PAGES
int i;
@@ -950,7 +950,7 @@ static __cpuinit void init_super_pages(void)
*
* Called from setup_arch() on the boot cpu, or online_secondary().
*/
-void __cpuinit setup_cpu(int boot)
+void setup_cpu(int boot)
{
/* The boot cpu sets up its permanent mappings much earlier. */
if (!boot)
diff --git a/arch/tile/kernel/smpboot.c b/arch/tile/kernel/smpboot.c
index 44bab29bf2f..a535655b708 100644
--- a/arch/tile/kernel/smpboot.c
+++ b/arch/tile/kernel/smpboot.c
@@ -133,14 +133,14 @@ static __init int reset_init_affinity(void)
}
late_initcall(reset_init_affinity);
-static struct cpumask cpu_started __cpuinitdata;
+static struct cpumask cpu_started;
/*
* Activate a secondary processor. Very minimal; don't add anything
* to this path without knowing what you're doing, since SMP booting
* is pretty fragile.
*/
-static void __cpuinit start_secondary(void)
+static void start_secondary(void)
{
int cpuid = smp_processor_id();
@@ -183,7 +183,7 @@ static void __cpuinit start_secondary(void)
/*
* Bring a secondary processor online.
*/
-void __cpuinit online_secondary(void)
+void online_secondary(void)
{
/*
* low-memory mappings have been cleared, flush them from
@@ -210,7 +210,7 @@ void __cpuinit online_secondary(void)
cpu_startup_entry(CPUHP_ONLINE);
}
-int __cpuinit __cpu_up(unsigned int cpu, struct task_struct *tidle)
+int __cpu_up(unsigned int cpu, struct task_struct *tidle)
{
/* Wait 5s total for all CPUs for them to come online */
static int timeout;
diff --git a/arch/tile/kernel/stack.c b/arch/tile/kernel/stack.c
index ed258b8ae32..af8dfc9665f 100644
--- a/arch/tile/kernel/stack.c
+++ b/arch/tile/kernel/stack.c
@@ -442,7 +442,7 @@ void _KBacktraceIterator_init_current(struct KBacktraceIterator *kbt, ulong pc,
regs_to_pt_regs(&regs, pc, lr, sp, r52));
}
-/* This is called only from kernel/sched.c, with esp == NULL */
+/* This is called only from kernel/sched/core.c, with esp == NULL */
void show_stack(struct task_struct *task, unsigned long *esp)
{
struct KBacktraceIterator kbt;
diff --git a/arch/tile/kernel/time.c b/arch/tile/kernel/time.c
index 5ac397ec698..7c353d8c2da 100644
--- a/arch/tile/kernel/time.c
+++ b/arch/tile/kernel/time.c
@@ -159,7 +159,7 @@ static DEFINE_PER_CPU(struct clock_event_device, tile_timer) = {
.set_mode = tile_timer_set_mode,
};
-void __cpuinit setup_tile_timer(void)
+void setup_tile_timer(void)
{
struct clock_event_device *evt = &__get_cpu_var(tile_timer);
diff --git a/arch/tile/kernel/vmlinux.lds.S b/arch/tile/kernel/vmlinux.lds.S
index 631f10de12f..a13ed902afb 100644
--- a/arch/tile/kernel/vmlinux.lds.S
+++ b/arch/tile/kernel/vmlinux.lds.S
@@ -27,7 +27,6 @@ SECTIONS
.intrpt1 (LOAD_OFFSET) : AT ( 0 ) /* put at the start of physical memory */
{
_text = .;
- _stext = .;
*(.intrpt1)
} :intrpt1 =0
@@ -36,6 +35,7 @@ SECTIONS
/* Now the real code */
. = ALIGN(0x20000);
+ _stext = .;
.text : AT (ADDR(.text) - LOAD_OFFSET) {
HEAD_TEXT
SCHED_TEXT
@@ -58,11 +58,13 @@ SECTIONS
#define LOAD_OFFSET PAGE_OFFSET
. = ALIGN(PAGE_SIZE);
+ __init_begin = .;
VMLINUX_SYMBOL(_sinitdata) = .;
INIT_DATA_SECTION(16) :data =0
PERCPU_SECTION(L2_CACHE_BYTES)
. = ALIGN(PAGE_SIZE);
VMLINUX_SYMBOL(_einitdata) = .;
+ __init_end = .;
_sdata = .; /* Start of data section */
diff --git a/arch/tile/mm/fault.c b/arch/tile/mm/fault.c
index 3d2b81c163a..f7f99f90cbe 100644
--- a/arch/tile/mm/fault.c
+++ b/arch/tile/mm/fault.c
@@ -573,10 +573,10 @@ out_of_memory:
down_read(&mm->mmap_sem);
goto survive;
}
- pr_alert("VM: killing process %s\n", tsk->comm);
- if (!is_kernel_mode)
- do_group_exit(SIGKILL);
- goto no_context;
+ if (is_kernel_mode)
+ goto no_context;
+ pagefault_out_of_memory();
+ return 0;
do_sigbus:
up_read(&mm->mmap_sem);
diff --git a/arch/tile/mm/init.c b/arch/tile/mm/init.c
index 2749515a054..e182958c707 100644
--- a/arch/tile/mm/init.c
+++ b/arch/tile/mm/init.c
@@ -562,7 +562,7 @@ static void __init kernel_physical_mapping_init(pgd_t *pgd_base)
prot = ktext_set_nocache(prot);
}
- BUG_ON(address != (unsigned long)_stext);
+ BUG_ON(address != (unsigned long)_text);
pte = NULL;
for (; address < (unsigned long)_einittext;
pfn++, address += PAGE_SIZE) {
@@ -720,7 +720,7 @@ static void __init init_free_pfn_range(unsigned long start, unsigned long end)
}
init_page_count(page);
__free_pages(page, order);
- totalram_pages += count;
+ adjust_managed_page_count(page, count);
page += count;
pfn += count;
@@ -821,7 +821,6 @@ static void __init set_max_mapnr_init(void)
void __init mem_init(void)
{
- int codesize, datasize, initsize;
int i;
#ifndef __tilegx__
void *last;
@@ -846,26 +845,14 @@ void __init mem_init(void)
set_max_mapnr_init();
/* this will put all bootmem onto the freelists */
- totalram_pages += free_all_bootmem();
+ free_all_bootmem();
#ifndef CONFIG_64BIT
/* count all remaining LOWMEM and give all HIGHMEM to page allocator */
set_non_bootmem_pages_init();
#endif
- codesize = (unsigned long)&_etext - (unsigned long)&_text;
- datasize = (unsigned long)&_end - (unsigned long)&_sdata;
- initsize = (unsigned long)&_einittext - (unsigned long)&_sinittext;
- initsize += (unsigned long)&_einitdata - (unsigned long)&_sinitdata;
-
- pr_info("Memory: %luk/%luk available (%dk kernel code, %dk data, %dk init, %ldk highmem)\n",
- (unsigned long) nr_free_pages() << (PAGE_SHIFT-10),
- num_physpages << (PAGE_SHIFT-10),
- codesize >> 10,
- datasize >> 10,
- initsize >> 10,
- (unsigned long) (totalhigh_pages << (PAGE_SHIFT-10))
- );
+ mem_init_print_info(NULL);
/*
* In debug mode, dump some interesting memory mappings.
@@ -1024,16 +1011,13 @@ static void free_init_pages(char *what, unsigned long begin, unsigned long end)
pte_clear(&init_mm, addr, ptep);
continue;
}
- __ClearPageReserved(page);
- init_page_count(page);
if (pte_huge(*ptep))
BUG_ON(!kdata_huge);
else
set_pte_at(&init_mm, addr, ptep,
pfn_pte(pfn, PAGE_KERNEL));
memset((void *)addr, POISON_FREE_INITMEM, PAGE_SIZE);
- free_page(addr);
- totalram_pages++;
+ free_reserved_page(page);
}
pr_info("Freeing %s: %ldk freed\n", what, (end - begin) >> 10);
}
diff --git a/arch/tile/mm/mmap.c b/arch/tile/mm/mmap.c
index f96f4cec602..d67d91ebf63 100644
--- a/arch/tile/mm/mmap.c
+++ b/arch/tile/mm/mmap.c
@@ -66,10 +66,8 @@ void arch_pick_mmap_layout(struct mm_struct *mm)
if (!is_32bit || rlimit(RLIMIT_STACK) == RLIM_INFINITY) {
mm->mmap_base = TASK_UNMAPPED_BASE;
mm->get_unmapped_area = arch_get_unmapped_area;
- mm->unmap_area = arch_unmap_area;
} else {
mm->mmap_base = mmap_base(mm);
mm->get_unmapped_area = arch_get_unmapped_area_topdown;
- mm->unmap_area = arch_unmap_area_topdown;
}
}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-05-09 18:46:52 +0000