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-rw-r--r--arch/mn10300/Kconfig1
-rw-r--r--arch/mn10300/Kconfig.debug4
-rw-r--r--arch/mn10300/include/asm/irqflags.h5
-rw-r--r--arch/mn10300/include/asm/pgtable.h3
-rw-r--r--arch/mn10300/include/asm/smp.h4
-rw-r--r--arch/mn10300/include/asm/uaccess.h6
-rw-r--r--arch/mn10300/include/uapi/asm/socket.h2
-rw-r--r--arch/mn10300/kernel/setup.c54
-rw-r--r--arch/mn10300/mm/fault.c7
-rw-r--r--arch/mn10300/mm/init.c33
-rw-r--r--arch/mn10300/unit-asb2305/pci-asb2305.c2
11 files changed, 43 insertions, 78 deletions
diff --git a/arch/mn10300/Kconfig b/arch/mn10300/Kconfig
index 428da175d073..70e4f663ebd2 100644
--- a/arch/mn10300/Kconfig
+++ b/arch/mn10300/Kconfig
@@ -13,6 +13,7 @@ config MN10300
select MODULES_USE_ELF_RELA
select OLD_SIGSUSPEND3
select OLD_SIGACTION
+ select HAVE_DEBUG_STACKOVERFLOW
config AM33_2
def_bool n
diff --git a/arch/mn10300/Kconfig.debug b/arch/mn10300/Kconfig.debug
index bdbfd444a9ff..94efb3ed223f 100644
--- a/arch/mn10300/Kconfig.debug
+++ b/arch/mn10300/Kconfig.debug
@@ -2,10 +2,6 @@ menu "Kernel hacking"
source "lib/Kconfig.debug"
-config DEBUG_STACKOVERFLOW
- bool "Check for stack overflows"
- depends on DEBUG_KERNEL
-
config DEBUG_DECOMPRESS_KERNEL
bool "Using serial port during decompressing kernel"
depends on DEBUG_KERNEL
diff --git a/arch/mn10300/include/asm/irqflags.h b/arch/mn10300/include/asm/irqflags.h
index 678f68d5f37b..8730c0a3c37d 100644
--- a/arch/mn10300/include/asm/irqflags.h
+++ b/arch/mn10300/include/asm/irqflags.h
@@ -13,9 +13,8 @@
#define _ASM_IRQFLAGS_H
#include <asm/cpu-regs.h>
-#ifndef __ASSEMBLY__
-#include <linux/smp.h>
-#endif
+/* linux/smp.h <- linux/irqflags.h needs asm/smp.h first */
+#include <asm/smp.h>
/*
* interrupt control
diff --git a/arch/mn10300/include/asm/pgtable.h b/arch/mn10300/include/asm/pgtable.h
index a1e894b5f65b..2ddaa67e7983 100644
--- a/arch/mn10300/include/asm/pgtable.h
+++ b/arch/mn10300/include/asm/pgtable.h
@@ -486,9 +486,6 @@ extern void update_mmu_cache(struct vm_area_struct *vma,
#define kern_addr_valid(addr) (1)
-#define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \
- remap_pfn_range((vma), (vaddr), (pfn), (size), (prot))
-
#define MK_IOSPACE_PFN(space, pfn) (pfn)
#define GET_IOSPACE(pfn) 0
#define GET_PFN(pfn) (pfn)
diff --git a/arch/mn10300/include/asm/smp.h b/arch/mn10300/include/asm/smp.h
index 6745dbe64944..56c42417d428 100644
--- a/arch/mn10300/include/asm/smp.h
+++ b/arch/mn10300/include/asm/smp.h
@@ -24,6 +24,7 @@
#ifndef __ASSEMBLY__
#include <linux/threads.h>
#include <linux/cpumask.h>
+#include <linux/thread_info.h>
#endif
#ifdef CONFIG_SMP
@@ -85,7 +86,7 @@ extern cpumask_t cpu_boot_map;
extern void smp_init_cpus(void);
extern void smp_cache_interrupt(void);
extern void send_IPI_allbutself(int irq);
-extern int smp_nmi_call_function(smp_call_func_t func, void *info, int wait);
+extern int smp_nmi_call_function(void (*func)(void *), void *info, int wait);
extern void arch_send_call_function_single_ipi(int cpu);
extern void arch_send_call_function_ipi_mask(const struct cpumask *mask);
@@ -100,6 +101,7 @@ extern void __cpu_die(unsigned int cpu);
#ifndef __ASSEMBLY__
static inline void smp_init_cpus(void) {}
+#define raw_smp_processor_id() 0
#endif /* __ASSEMBLY__ */
#endif /* CONFIG_SMP */
diff --git a/arch/mn10300/include/asm/uaccess.h b/arch/mn10300/include/asm/uaccess.h
index 780560b330d9..537278746a15 100644
--- a/arch/mn10300/include/asm/uaccess.h
+++ b/arch/mn10300/include/asm/uaccess.h
@@ -161,7 +161,7 @@ struct __large_struct { unsigned long buf[100]; };
#define __get_user_check(x, ptr, size) \
({ \
- const __typeof__(ptr) __guc_ptr = (ptr); \
+ const __typeof__(*(ptr))* __guc_ptr = (ptr); \
int _e; \
if (likely(__access_ok((unsigned long) __guc_ptr, (size)))) \
_e = __get_user_nocheck((x), __guc_ptr, (size)); \
@@ -471,13 +471,13 @@ extern unsigned long __generic_copy_from_user(void *, const void __user *,
#define __copy_to_user(to, from, n) \
({ \
- might_sleep(); \
+ might_fault(); \
__copy_to_user_inatomic((to), (from), (n)); \
})
#define __copy_from_user(to, from, n) \
({ \
- might_sleep(); \
+ might_fault(); \
__copy_from_user_inatomic((to), (from), (n)); \
})
diff --git a/arch/mn10300/include/uapi/asm/socket.h b/arch/mn10300/include/uapi/asm/socket.h
index b4ce844c9391..db80fd3e398b 100644
--- a/arch/mn10300/include/uapi/asm/socket.h
+++ b/arch/mn10300/include/uapi/asm/socket.h
@@ -74,4 +74,6 @@
#define SO_SELECT_ERR_QUEUE 45
+#define SO_LL 46
+
#endif /* _ASM_SOCKET_H */
diff --git a/arch/mn10300/kernel/setup.c b/arch/mn10300/kernel/setup.c
index 33c3bd1e5c6d..ebac9c11f796 100644
--- a/arch/mn10300/kernel/setup.c
+++ b/arch/mn10300/kernel/setup.c
@@ -38,6 +38,7 @@ struct mn10300_cpuinfo boot_cpu_data;
/* For PCI or other memory-mapped resources */
unsigned long pci_mem_start = 0x18000000;
+static char __initdata cmd_line[COMMAND_LINE_SIZE];
char redboot_command_line[COMMAND_LINE_SIZE] =
"console=ttyS0,115200 root=/dev/mtdblock3 rw";
@@ -74,45 +75,19 @@ static const char *const mn10300_cputypes[] = {
};
/*
- *
+ * Pick out the memory size. We look for mem=size,
+ * where size is "size[KkMm]"
*/
-static void __init parse_mem_cmdline(char **cmdline_p)
+static int __init early_mem(char *p)
{
- char *from, *to, c;
-
- /* save unparsed command line copy for /proc/cmdline */
- strcpy(boot_command_line, redboot_command_line);
-
- /* see if there's an explicit memory size option */
- from = redboot_command_line;
- to = redboot_command_line;
- c = ' ';
-
- for (;;) {
- if (c == ' ' && !memcmp(from, "mem=", 4)) {
- if (to != redboot_command_line)
- to--;
- memory_size = memparse(from + 4, &from);
- }
-
- c = *(from++);
- if (!c)
- break;
-
- *(to++) = c;
- }
-
- *to = '\0';
- *cmdline_p = redboot_command_line;
+ memory_size = memparse(p, &p);
if (memory_size == 0)
panic("Memory size not known\n");
- memory_end = (unsigned long) CONFIG_KERNEL_RAM_BASE_ADDRESS +
- memory_size;
- if (memory_end > phys_memory_end)
- memory_end = phys_memory_end;
+ return 0;
}
+early_param("mem", early_mem);
/*
* architecture specific setup
@@ -125,7 +100,20 @@ void __init setup_arch(char **cmdline_p)
cpu_init();
unit_setup();
smp_init_cpus();
- parse_mem_cmdline(cmdline_p);
+
+ /* save unparsed command line copy for /proc/cmdline */
+ strlcpy(boot_command_line, redboot_command_line, COMMAND_LINE_SIZE);
+
+ /* populate cmd_line too for later use, preserving boot_command_line */
+ strlcpy(cmd_line, boot_command_line, COMMAND_LINE_SIZE);
+ *cmdline_p = cmd_line;
+
+ parse_early_param();
+
+ memory_end = (unsigned long) CONFIG_KERNEL_RAM_BASE_ADDRESS +
+ memory_size;
+ if (memory_end > phys_memory_end)
+ memory_end = phys_memory_end;
init_mm.start_code = (unsigned long)&_text;
init_mm.end_code = (unsigned long) &_etext;
diff --git a/arch/mn10300/mm/fault.c b/arch/mn10300/mm/fault.c
index d48a84fd7fae..8a2e6ded9a44 100644
--- a/arch/mn10300/mm/fault.c
+++ b/arch/mn10300/mm/fault.c
@@ -345,9 +345,10 @@ no_context:
*/
out_of_memory:
up_read(&mm->mmap_sem);
- printk(KERN_ALERT "VM: killing process %s\n", tsk->comm);
- if ((fault_code & MMUFCR_xFC_ACCESS) == MMUFCR_xFC_ACCESS_USR)
- do_exit(SIGKILL);
+ if ((fault_code & MMUFCR_xFC_ACCESS) == MMUFCR_xFC_ACCESS_USR) {
+ pagefault_out_of_memory();
+ return;
+ }
goto no_context;
do_sigbus:
diff --git a/arch/mn10300/mm/init.c b/arch/mn10300/mm/init.c
index 5a8ace63a6b4..97a1ec0beeec 100644
--- a/arch/mn10300/mm/init.c
+++ b/arch/mn10300/mm/init.c
@@ -99,43 +99,21 @@ void __init paging_init(void)
*/
void __init mem_init(void)
{
- int codesize, reservedpages, datasize, initsize;
- int tmp;
-
BUG_ON(!mem_map);
#define START_PFN (contig_page_data.bdata->node_min_pfn)
#define MAX_LOW_PFN (contig_page_data.bdata->node_low_pfn)
- max_mapnr = num_physpages = MAX_LOW_PFN - START_PFN;
+ max_mapnr = MAX_LOW_PFN - START_PFN;
high_memory = (void *) __va(MAX_LOW_PFN * PAGE_SIZE);
/* clear the zero-page */
memset(empty_zero_page, 0, PAGE_SIZE);
/* this will put all low memory onto the freelists */
- totalram_pages += free_all_bootmem();
-
- reservedpages = 0;
- for (tmp = 0; tmp < num_physpages; tmp++)
- if (PageReserved(&mem_map[tmp]))
- reservedpages++;
-
- codesize = (unsigned long) &_etext - (unsigned long) &_stext;
- datasize = (unsigned long) &_edata - (unsigned long) &_etext;
- initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin;
-
- printk(KERN_INFO
- "Memory: %luk/%luk available"
- " (%dk kernel code, %dk reserved, %dk data, %dk init,"
- " %ldk highmem)\n",
- nr_free_pages() << (PAGE_SHIFT - 10),
- max_mapnr << (PAGE_SHIFT - 10),
- codesize >> 10,
- reservedpages << (PAGE_SHIFT - 10),
- datasize >> 10,
- initsize >> 10,
- totalhigh_pages << (PAGE_SHIFT - 10));
+ free_all_bootmem();
+
+ mem_init_print_info(NULL);
}
/*
@@ -152,6 +130,7 @@ void free_initmem(void)
#ifdef CONFIG_BLK_DEV_INITRD
void free_initrd_mem(unsigned long start, unsigned long end)
{
- free_reserved_area(start, end, POISON_FREE_INITMEM, "initrd");
+ free_reserved_area((void *)start, (void *)end, POISON_FREE_INITMEM,
+ "initrd");
}
#endif
diff --git a/arch/mn10300/unit-asb2305/pci-asb2305.c b/arch/mn10300/unit-asb2305/pci-asb2305.c
index c4e2e79281e8..febb9cd83177 100644
--- a/arch/mn10300/unit-asb2305/pci-asb2305.c
+++ b/arch/mn10300/unit-asb2305/pci-asb2305.c
@@ -221,7 +221,7 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
/* Leave vm_pgoff as-is, the PCI space address is the physical
* address on this platform.
*/
- vma->vm_flags |= VM_LOCKED | VM_IO;
+ vma->vm_flags |= VM_LOCKED;
prot = pgprot_val(vma->vm_page_prot);
prot &= ~_PAGE_CACHE;
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-06 23:47:23 +0300