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-rw-r--r--arch/microblaze/include/asm/cacheflush.h34
-rw-r--r--arch/microblaze/include/asm/futex.h2
-rw-r--r--arch/microblaze/include/asm/io.h6
-rw-r--r--arch/microblaze/include/asm/page.h1
-rw-r--r--arch/microblaze/include/asm/pgtable.h3
-rw-r--r--arch/microblaze/include/asm/uaccess.h10
-rw-r--r--arch/microblaze/kernel/cpu/cache.c2
-rw-r--r--arch/microblaze/mm/init.c57
8 files changed, 37 insertions, 78 deletions
diff --git a/arch/microblaze/include/asm/cacheflush.h b/arch/microblaze/include/asm/cacheflush.h
index 0f553bc009a0..ffea82a16d2c 100644
--- a/arch/microblaze/include/asm/cacheflush.h
+++ b/arch/microblaze/include/asm/cacheflush.h
@@ -102,21 +102,23 @@ do { \
#define flush_cache_range(vma, start, len) do { } while (0)
-#define copy_to_user_page(vma, page, vaddr, dst, src, len) \
-do { \
- u32 addr = virt_to_phys(dst); \
- memcpy((dst), (src), (len)); \
- if (vma->vm_flags & VM_EXEC) { \
- invalidate_icache_range((unsigned) (addr), \
- (unsigned) (addr) + PAGE_SIZE); \
- flush_dcache_range((unsigned) (addr), \
- (unsigned) (addr) + PAGE_SIZE); \
- } \
-} while (0)
-
-#define copy_from_user_page(vma, page, vaddr, dst, src, len) \
-do { \
- memcpy((dst), (src), (len)); \
-} while (0)
+static inline void copy_to_user_page(struct vm_area_struct *vma,
+ struct page *page, unsigned long vaddr,
+ void *dst, void *src, int len)
+{
+ u32 addr = virt_to_phys(dst);
+ memcpy(dst, src, len);
+ if (vma->vm_flags & VM_EXEC) {
+ invalidate_icache_range(addr, addr + PAGE_SIZE);
+ flush_dcache_range(addr, addr + PAGE_SIZE);
+ }
+}
+
+static inline void copy_from_user_page(struct vm_area_struct *vma,
+ struct page *page, unsigned long vaddr,
+ void *dst, void *src, int len)
+{
+ memcpy(dst, src, len);
+}
#endif /* _ASM_MICROBLAZE_CACHEFLUSH_H */
diff --git a/arch/microblaze/include/asm/futex.h b/arch/microblaze/include/asm/futex.h
index ff8cde159d9a..01848f056f43 100644
--- a/arch/microblaze/include/asm/futex.h
+++ b/arch/microblaze/include/asm/futex.h
@@ -105,7 +105,7 @@ futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
__asm__ __volatile__ ("1: lwx %1, %3, r0; \
cmp %2, %1, %4; \
- beqi %2, 3f; \
+ bnei %2, 3f; \
2: swx %5, %3, r0; \
addic %2, r0, 0; \
bnei %2, 1b; \
diff --git a/arch/microblaze/include/asm/io.h b/arch/microblaze/include/asm/io.h
index 8cb8a8566ede..2565cb94f32f 100644
--- a/arch/microblaze/include/asm/io.h
+++ b/arch/microblaze/include/asm/io.h
@@ -123,11 +123,11 @@ static inline void writel(unsigned int v, volatile void __iomem *addr)
* inb_p/inw_p/...
* The macros don't do byte-swapping.
*/
-#define inb(port) readb((u8 *)((port)))
+#define inb(port) readb((u8 *)((unsigned long)(port)))
#define outb(val, port) writeb((val), (u8 *)((unsigned long)(port)))
-#define inw(port) readw((u16 *)((port)))
+#define inw(port) readw((u16 *)((unsigned long)(port)))
#define outw(val, port) writew((val), (u16 *)((unsigned long)(port)))
-#define inl(port) readl((u32 *)((port)))
+#define inl(port) readl((u32 *)((unsigned long)(port)))
#define outl(val, port) writel((val), (u32 *)((unsigned long)(port)))
#define inb_p(port) inb((port))
diff --git a/arch/microblaze/include/asm/page.h b/arch/microblaze/include/asm/page.h
index 85a5ae8e9bd0..fd850879854d 100644
--- a/arch/microblaze/include/asm/page.h
+++ b/arch/microblaze/include/asm/page.h
@@ -168,7 +168,6 @@ extern int page_is_ram(unsigned long pfn);
# else /* CONFIG_MMU */
# define ARCH_PFN_OFFSET (memory_start >> PAGE_SHIFT)
# define pfn_valid(pfn) ((pfn) < (max_mapnr + ARCH_PFN_OFFSET))
-# define VALID_PAGE(page) ((page - mem_map) < max_mapnr)
# endif /* CONFIG_MMU */
# endif /* __ASSEMBLY__ */
diff --git a/arch/microblaze/include/asm/pgtable.h b/arch/microblaze/include/asm/pgtable.h
index a7311cd9dee0..95cef0b5f836 100644
--- a/arch/microblaze/include/asm/pgtable.h
+++ b/arch/microblaze/include/asm/pgtable.h
@@ -13,9 +13,6 @@
#include <asm/setup.h>
-#define io_remap_pfn_range(vma, vaddr, pfn, size, prot) \
- remap_pfn_range(vma, vaddr, pfn, size, prot)
-
#ifndef __ASSEMBLY__
extern int mem_init_done;
#endif
diff --git a/arch/microblaze/include/asm/uaccess.h b/arch/microblaze/include/asm/uaccess.h
index efe59d881789..0aa005703a0b 100644
--- a/arch/microblaze/include/asm/uaccess.h
+++ b/arch/microblaze/include/asm/uaccess.h
@@ -99,13 +99,13 @@ static inline int access_ok(int type, const void __user *addr,
if ((get_fs().seg < ((unsigned long)addr)) ||
(get_fs().seg < ((unsigned long)addr + size - 1))) {
pr_debug("ACCESS fail: %s at 0x%08x (size 0x%x), seg 0x%08x\n",
- type ? "WRITE" : "READ ", (u32)addr, (u32)size,
+ type ? "WRITE" : "READ ", (__force u32)addr, (u32)size,
(u32)get_fs().seg);
return 0;
}
ok:
pr_debug("ACCESS OK: %s at 0x%08x (size 0x%x), seg 0x%08x\n",
- type ? "WRITE" : "READ ", (u32)addr, (u32)size,
+ type ? "WRITE" : "READ ", (__force u32)addr, (u32)size,
(u32)get_fs().seg);
return 1;
}
@@ -145,7 +145,7 @@ static inline unsigned long __must_check __clear_user(void __user *to,
static inline unsigned long __must_check clear_user(void __user *to,
unsigned long n)
{
- might_sleep();
+ might_fault();
if (unlikely(!access_ok(VERIFY_WRITE, to, n)))
return n;
@@ -371,7 +371,7 @@ extern long __user_bad(void);
static inline long copy_from_user(void *to,
const void __user *from, unsigned long n)
{
- might_sleep();
+ might_fault();
if (access_ok(VERIFY_READ, from, n))
return __copy_from_user(to, from, n);
return n;
@@ -385,7 +385,7 @@ static inline long copy_from_user(void *to,
static inline long copy_to_user(void __user *to,
const void *from, unsigned long n)
{
- might_sleep();
+ might_fault();
if (access_ok(VERIFY_WRITE, to, n))
return __copy_to_user(to, from, n);
return n;
diff --git a/arch/microblaze/kernel/cpu/cache.c b/arch/microblaze/kernel/cpu/cache.c
index 4254514b4c8c..a6e44410672d 100644
--- a/arch/microblaze/kernel/cpu/cache.c
+++ b/arch/microblaze/kernel/cpu/cache.c
@@ -140,7 +140,7 @@ do { \
/* It is used only first parameter for OP - for wic, wdc */
#define CACHE_RANGE_LOOP_1(start, end, line_length, op) \
do { \
- int volatile temp; \
+ int volatile temp = 0; \
int align = ~(line_length - 1); \
end = ((end & align) == end) ? end - line_length : end & align; \
WARN_ON(end - start < 0); \
diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
index b38ae3acfeb4..74c7bcc1e82d 100644
--- a/arch/microblaze/mm/init.c
+++ b/arch/microblaze/mm/init.c
@@ -71,24 +71,17 @@ static void __init highmem_init(void)
kmap_prot = PAGE_KERNEL;
}
-static unsigned long highmem_setup(void)
+static void highmem_setup(void)
{
unsigned long pfn;
- unsigned long reservedpages = 0;
for (pfn = max_low_pfn; pfn < max_pfn; ++pfn) {
struct page *page = pfn_to_page(pfn);
/* FIXME not sure about */
- if (memblock_is_reserved(pfn << PAGE_SHIFT))
- continue;
- free_highmem_page(page);
- reservedpages++;
+ if (!memblock_is_reserved(pfn << PAGE_SHIFT))
+ free_highmem_page(page);
}
- pr_info("High memory: %luk\n",
- totalhigh_pages << (PAGE_SHIFT-10));
-
- return reservedpages;
}
#endif /* CONFIG_HIGHMEM */
@@ -167,13 +160,12 @@ void __init setup_memory(void)
* min_low_pfn - the first page (mm/bootmem.c - node_boot_start)
* max_low_pfn
* max_mapnr - the first unused page (mm/bootmem.c - node_low_pfn)
- * num_physpages - number of all pages
*/
/* memory start is from the kernel end (aligned) to higher addr */
min_low_pfn = memory_start >> PAGE_SHIFT; /* minimum for allocation */
/* RAM is assumed contiguous */
- num_physpages = max_mapnr = memory_size >> PAGE_SHIFT;
+ max_mapnr = memory_size >> PAGE_SHIFT;
max_low_pfn = ((u64)memory_start + (u64)lowmem_size) >> PAGE_SHIFT;
max_pfn = ((u64)memory_start + (u64)memory_size) >> PAGE_SHIFT;
@@ -235,57 +227,26 @@ void __init setup_memory(void)
#ifdef CONFIG_BLK_DEV_INITRD
void 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");
}
#endif
void free_initmem(void)
{
- free_initmem_default(0);
+ free_initmem_default(-1);
}
void __init mem_init(void)
{
- pg_data_t *pgdat;
- unsigned long reservedpages = 0, codesize, initsize, datasize, bsssize;
-
high_memory = (void *)__va(memory_start + lowmem_size - 1);
/* this will put all memory onto the freelists */
- totalram_pages += free_all_bootmem();
-
- for_each_online_pgdat(pgdat) {
- unsigned long i;
- struct page *page;
-
- for (i = 0; i < pgdat->node_spanned_pages; i++) {
- if (!pfn_valid(pgdat->node_start_pfn + i))
- continue;
- page = pgdat_page_nr(pgdat, i);
- if (PageReserved(page))
- reservedpages++;
- }
- }
-
+ free_all_bootmem();
#ifdef CONFIG_HIGHMEM
- reservedpages -= highmem_setup();
+ highmem_setup();
#endif
- codesize = (unsigned long)&_sdata - (unsigned long)&_stext;
- datasize = (unsigned long)&_edata - (unsigned long)&_sdata;
- initsize = (unsigned long)&__init_end - (unsigned long)&__init_begin;
- bsssize = (unsigned long)&__bss_stop - (unsigned long)&__bss_start;
-
- pr_info("Memory: %luk/%luk available (%luk kernel code, ",
- nr_free_pages() << (PAGE_SHIFT-10),
- num_physpages << (PAGE_SHIFT-10),
- codesize >> 10);
- pr_cont("%luk reserved, %luk data, %luk bss, %luk init)\n",
- reservedpages << (PAGE_SHIFT-10),
- datasize >> 10,
- bsssize >> 10,
- initsize >> 10);
-
+ mem_init_print_info(NULL);
#ifdef CONFIG_MMU
pr_info("Kernel virtual memory layout:\n");
pr_info(" * 0x%08lx..0x%08lx : fixmap\n", FIXADDR_START, FIXADDR_TOP);
generated by cgit v1.2.3 (git 2.39.0) at 2025-01-22 00:14:27 +0300