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-rw-r--r--arch/frv/Kconfig1
-rw-r--r--arch/frv/Kconfig.debug4
-rw-r--r--arch/frv/include/asm/pgtable.h3
-rw-r--r--arch/frv/include/asm/uaccess.h4
-rw-r--r--arch/frv/kernel/head.S5
-rw-r--r--arch/frv/kernel/setup.c15
-rw-r--r--arch/frv/kernel/traps.c2
-rw-r--r--arch/frv/mm/init.c57
8 files changed, 30 insertions, 61 deletions
diff --git a/arch/frv/Kconfig b/arch/frv/Kconfig
index 2ce731f9aa4d..4b6628ea381e 100644
--- a/arch/frv/Kconfig
+++ b/arch/frv/Kconfig
@@ -14,6 +14,7 @@ config FRV
select ARCH_WANT_IPC_PARSE_VERSION
select OLD_SIGSUSPEND3
select OLD_SIGACTION
+ select HAVE_DEBUG_STACKOVERFLOW
config ZONE_DMA
bool
diff --git a/arch/frv/Kconfig.debug b/arch/frv/Kconfig.debug
index 211f01bc4caa..98c99a3ed2be 100644
--- a/arch/frv/Kconfig.debug
+++ b/arch/frv/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 GDBSTUB
bool "Remote GDB kernel debugging"
depends on DEBUG_KERNEL
diff --git a/arch/frv/include/asm/pgtable.h b/arch/frv/include/asm/pgtable.h
index 6bc241e4b4f8..eb0110acd19b 100644
--- a/arch/frv/include/asm/pgtable.h
+++ b/arch/frv/include/asm/pgtable.h
@@ -488,9 +488,6 @@ static inline int pte_file(pte_t pte)
#define PageSkip(page) (0)
#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 __HAVE_ARCH_PTEP_TEST_AND_CLEAR_YOUNG
#define __HAVE_ARCH_PTEP_GET_AND_CLEAR
#define __HAVE_ARCH_PTEP_SET_WRPROTECT
diff --git a/arch/frv/include/asm/uaccess.h b/arch/frv/include/asm/uaccess.h
index 0b67ec5b4414..3ac9a59d65d4 100644
--- a/arch/frv/include/asm/uaccess.h
+++ b/arch/frv/include/asm/uaccess.h
@@ -280,14 +280,14 @@ extern long __memcpy_user(void *dst, const void *src, unsigned long count);
static inline unsigned long __must_check
__copy_to_user(void __user *to, const void *from, unsigned long n)
{
- might_sleep();
+ might_fault();
return __copy_to_user_inatomic(to, from, n);
}
static inline unsigned long
__copy_from_user(void *to, const void __user *from, unsigned long n)
{
- might_sleep();
+ might_fault();
return __copy_from_user_inatomic(to, from, n);
}
diff --git a/arch/frv/kernel/head.S b/arch/frv/kernel/head.S
index e9a8cc63ac94..a7d0bea9c036 100644
--- a/arch/frv/kernel/head.S
+++ b/arch/frv/kernel/head.S
@@ -479,11 +479,6 @@ __head_mmu_enabled:
LEDS 0x000c
- # initialise the processor and the peripherals
- #call SYMBOL_NAME(processor_init)
- #call SYMBOL_NAME(unit_init)
- #LEDS 0x0aff
-
sethi.p #0xe5e5,gr3
setlo #0xe5e5,gr3
or.p gr3,gr0,gr4
diff --git a/arch/frv/kernel/setup.c b/arch/frv/kernel/setup.c
index a5136474c6fd..ae3a6706419b 100644
--- a/arch/frv/kernel/setup.c
+++ b/arch/frv/kernel/setup.c
@@ -735,7 +735,7 @@ static void __init parse_cmdline_early(char *cmdline)
/* "mem=XXX[kKmM]" sets SDRAM size to <mem>, overriding the value we worked
* out from the SDRAM controller mask register
*/
- if (!memcmp(cmdline, "mem=", 4)) {
+ if (!strncmp(cmdline, "mem=", 4)) {
unsigned long long mem_size;
mem_size = memparse(cmdline + 4, &cmdline);
@@ -876,6 +876,7 @@ late_initcall(setup_arch_serial);
static void __init setup_linux_memory(void)
{
unsigned long bootmap_size, low_top_pfn, kstart, kend, high_mem;
+ unsigned long physpages;
kstart = (unsigned long) &__kernel_image_start - PAGE_OFFSET;
kend = (unsigned long) &__kernel_image_end - PAGE_OFFSET;
@@ -893,19 +894,19 @@ static void __init setup_linux_memory(void)
);
/* pass the memory that the kernel can immediately use over to the bootmem allocator */
- max_mapnr = num_physpages = (memory_end - memory_start) >> PAGE_SHIFT;
+ max_mapnr = physpages = (memory_end - memory_start) >> PAGE_SHIFT;
low_top_pfn = (KERNEL_LOWMEM_END - KERNEL_LOWMEM_START) >> PAGE_SHIFT;
high_mem = 0;
- if (num_physpages > low_top_pfn) {
+ if (physpages > low_top_pfn) {
#ifdef CONFIG_HIGHMEM
- high_mem = num_physpages - low_top_pfn;
+ high_mem = physpages - low_top_pfn;
#else
- max_mapnr = num_physpages = low_top_pfn;
+ max_mapnr = physpages = low_top_pfn;
#endif
}
else {
- low_top_pfn = num_physpages;
+ low_top_pfn = physpages;
}
min_low_pfn = memory_start >> PAGE_SHIFT;
@@ -979,7 +980,7 @@ static void __init setup_uclinux_memory(void)
free_bootmem(memory_start, memory_end - memory_start);
high_memory = (void *) (memory_end & PAGE_MASK);
- max_mapnr = num_physpages = ((unsigned long) high_memory - PAGE_OFFSET) >> PAGE_SHIFT;
+ max_mapnr = ((unsigned long) high_memory - PAGE_OFFSET) >> PAGE_SHIFT;
min_low_pfn = memory_start >> PAGE_SHIFT;
max_low_pfn = memory_end >> PAGE_SHIFT;
diff --git a/arch/frv/kernel/traps.c b/arch/frv/kernel/traps.c
index 4bff48c19d29..a6d105d61b26 100644
--- a/arch/frv/kernel/traps.c
+++ b/arch/frv/kernel/traps.c
@@ -523,7 +523,7 @@ void die_if_kernel(const char *str, ...)
return;
va_start(va, str);
- vsprintf(buffer, str, va);
+ vsnprintf(buffer, sizeof(buffer), str, va);
va_end(va);
console_verbose();
diff --git a/arch/frv/mm/init.c b/arch/frv/mm/init.c
index dee354fa6b64..88a159743528 100644
--- a/arch/frv/mm/init.c
+++ b/arch/frv/mm/init.c
@@ -78,7 +78,7 @@ void __init paging_init(void)
memset((void *) empty_zero_page, 0, PAGE_SIZE);
#ifdef CONFIG_HIGHMEM
- if (num_physpages - num_mappedpages) {
+ if (get_num_physpages() - num_mappedpages) {
pgd_t *pge;
pud_t *pue;
pmd_t *pme;
@@ -96,7 +96,7 @@ void __init paging_init(void)
*/
zones_size[ZONE_NORMAL] = max_low_pfn - min_low_pfn;
#ifdef CONFIG_HIGHMEM
- zones_size[ZONE_HIGHMEM] = num_physpages - num_mappedpages;
+ zones_size[ZONE_HIGHMEM] = get_num_physpages() - num_mappedpages;
#endif
free_area_init(zones_size);
@@ -114,45 +114,24 @@ void __init paging_init(void)
*/
void __init mem_init(void)
{
- unsigned long npages = (memory_end - memory_start) >> PAGE_SHIFT;
- unsigned long tmp;
-#ifdef CONFIG_MMU
- unsigned long loop, pfn;
- int datapages = 0;
-#endif
- int codek = 0, datak = 0;
+ unsigned long code_size = _etext - _stext;
/* this will put all low memory onto the freelists */
- totalram_pages = free_all_bootmem();
-
-#ifdef CONFIG_MMU
- for (loop = 0 ; loop < npages ; loop++)
- if (PageReserved(&mem_map[loop]))
- datapages++;
-
-#ifdef CONFIG_HIGHMEM
- for (pfn = num_physpages - 1; pfn >= num_mappedpages; pfn--)
- free_highmem_page(&mem_map[pfn]);
-#endif
-
- codek = ((unsigned long) &_etext - (unsigned long) &_stext) >> 10;
- datak = datapages << (PAGE_SHIFT - 10);
-
-#else
- codek = (_etext - _stext) >> 10;
- datak = 0; //(__bss_stop - _sdata) >> 10;
+ free_all_bootmem();
+#if defined(CONFIG_MMU) && defined(CONFIG_HIGHMEM)
+ {
+ unsigned long pfn;
+
+ for (pfn = get_num_physpages() - 1;
+ pfn >= num_mappedpages; pfn--)
+ free_highmem_page(&mem_map[pfn]);
+ }
#endif
- tmp = nr_free_pages() << PAGE_SHIFT;
- printk("Memory available: %luKiB/%luKiB RAM, %luKiB/%luKiB ROM (%dKiB kernel code, %dKiB data)\n",
- tmp >> 10,
- npages << (PAGE_SHIFT - 10),
- (rom_length > 0) ? ((rom_length >> 10) - codek) : 0,
- rom_length >> 10,
- codek,
- datak
- );
-
+ mem_init_print_info(NULL);
+ if (rom_length > 0 && rom_length >= code_size)
+ printk("Memory available: %luKiB/%luKiB ROM\n",
+ (rom_length - code_size) >> 10, rom_length >> 10);
} /* end mem_init() */
/*****************************************************************************/
@@ -162,7 +141,7 @@ void __init mem_init(void)
void free_initmem(void)
{
#if defined(CONFIG_RAMKERNEL) && !defined(CONFIG_PROTECT_KERNEL)
- free_initmem_default(0);
+ free_initmem_default(-1);
#endif
} /* end free_initmem() */
@@ -173,6 +152,6 @@ void free_initmem(void)
#ifdef CONFIG_BLK_DEV_INITRD
void __init free_initrd_mem(unsigned long start, unsigned long end)
{
- free_reserved_area(start, end, 0, "initrd");
+ free_reserved_area((void *)start, (void *)end, -1, "initrd");
} /* end free_initrd_mem() */
#endif
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-20 07:32:45 +0100