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-rw-r--r--arch/alpha/Kconfig1
-rw-r--r--arch/alpha/include/asm/bitops.h14
-rw-r--r--arch/alpha/include/asm/floppy.h19
-rw-r--r--arch/alpha/include/asm/percpu.h5
-rw-r--r--arch/alpha/include/asm/pgtable.h25
-rw-r--r--arch/alpha/kernel/asm-offsets.c1
-rw-r--r--arch/alpha/kernel/core_marvel.c11
-rw-r--r--arch/alpha/kernel/process.c2
-rw-r--r--arch/alpha/mm/init.c27
9 files changed, 20 insertions, 85 deletions
diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index 109a4cddcd13..80367f2cf821 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -7,6 +7,7 @@ config ALPHA
select ARCH_HAS_DMA_OPS if PCI
select ARCH_MIGHT_HAVE_PC_PARPORT
select ARCH_MIGHT_HAVE_PC_SERIO
+ select ARCH_MODULE_NEEDS_WEAK_PER_CPU if SMP
select ARCH_NO_PREEMPT
select ARCH_NO_SG_CHAIN
select ARCH_USE_CMPXCHG_LOCKREF
diff --git a/arch/alpha/include/asm/bitops.h b/arch/alpha/include/asm/bitops.h
index 3e33621922c3..76e4343c090f 100644
--- a/arch/alpha/include/asm/bitops.h
+++ b/arch/alpha/include/asm/bitops.h
@@ -328,7 +328,7 @@ static inline unsigned long ffz_b(unsigned long x)
return sum;
}
-static inline unsigned long ffz(unsigned long word)
+static inline unsigned long __attribute_const__ ffz(unsigned long word)
{
#if defined(CONFIG_ALPHA_EV6) && defined(CONFIG_ALPHA_EV67)
/* Whee. EV67 can calculate it directly. */
@@ -348,7 +348,7 @@ static inline unsigned long ffz(unsigned long word)
/*
* __ffs = Find First set bit in word. Undefined if no set bit exists.
*/
-static inline unsigned long __ffs(unsigned long word)
+static inline __attribute_const__ unsigned long __ffs(unsigned long word)
{
#if defined(CONFIG_ALPHA_EV6) && defined(CONFIG_ALPHA_EV67)
/* Whee. EV67 can calculate it directly. */
@@ -373,7 +373,7 @@ static inline unsigned long __ffs(unsigned long word)
* differs in spirit from the above __ffs.
*/
-static inline int ffs(int word)
+static inline __attribute_const__ int ffs(int word)
{
int result = __ffs(word) + 1;
return word ? result : 0;
@@ -383,14 +383,14 @@ static inline int ffs(int word)
* fls: find last bit set.
*/
#if defined(CONFIG_ALPHA_EV6) && defined(CONFIG_ALPHA_EV67)
-static inline int fls64(unsigned long word)
+static inline __attribute_const__ int fls64(unsigned long word)
{
return 64 - __kernel_ctlz(word);
}
#else
extern const unsigned char __flsm1_tab[256];
-static inline int fls64(unsigned long x)
+static inline __attribute_const__ int fls64(unsigned long x)
{
unsigned long t, a, r;
@@ -403,12 +403,12 @@ static inline int fls64(unsigned long x)
}
#endif
-static inline unsigned long __fls(unsigned long x)
+static inline __attribute_const__ unsigned long __fls(unsigned long x)
{
return fls64(x) - 1;
}
-static inline int fls(unsigned int x)
+static inline __attribute_const__ int fls(unsigned int x)
{
return fls64(x);
}
diff --git a/arch/alpha/include/asm/floppy.h b/arch/alpha/include/asm/floppy.h
index 64b42d9591fc..5a6239e65097 100644
--- a/arch/alpha/include/asm/floppy.h
+++ b/arch/alpha/include/asm/floppy.h
@@ -90,25 +90,6 @@ static int FDC2 = -1;
#define N_FDC 2
#define N_DRIVE 8
-/*
- * Most Alphas have no problems with floppy DMA crossing 64k borders,
- * except for certain ones, like XL and RUFFIAN.
- *
- * However, the test is simple and fast, and this *is* floppy, after all,
- * so we do it for all platforms, just to make sure.
- *
- * This is advantageous in other circumstances as well, as in moving
- * about the PCI DMA windows and forcing the floppy to start doing
- * scatter-gather when it never had before, and there *is* a problem
- * on that platform... ;-}
- */
-
-static inline unsigned long CROSS_64KB(void *a, unsigned long s)
-{
- unsigned long p = (unsigned long)a;
- return ((p + s - 1) ^ p) & ~0xffffUL;
-}
-
#define EXTRA_FLOPPY_PARAMS
#endif /* __ASM_ALPHA_FLOPPY_H */
diff --git a/arch/alpha/include/asm/percpu.h b/arch/alpha/include/asm/percpu.h
index 6923249f2d49..4383d66341dc 100644
--- a/arch/alpha/include/asm/percpu.h
+++ b/arch/alpha/include/asm/percpu.h
@@ -9,10 +9,9 @@
* way above 4G.
*
* Always use weak definitions for percpu variables in modules.
+ * Therefore, we have enabled CONFIG_ARCH_MODULE_NEEDS_WEAK_PER_CPU
+ * in the Kconfig.
*/
-#if defined(MODULE) && defined(CONFIG_SMP)
-#define ARCH_NEEDS_WEAK_PER_CPU
-#endif
#include <asm-generic/percpu.h>
diff --git a/arch/alpha/include/asm/pgtable.h b/arch/alpha/include/asm/pgtable.h
index 44e7aedac6e8..90e7a9539102 100644
--- a/arch/alpha/include/asm/pgtable.h
+++ b/arch/alpha/include/asm/pgtable.h
@@ -107,7 +107,7 @@ struct vm_area_struct;
#define _PAGE_NORMAL(x) __pgprot(_PAGE_VALID | __ACCESS_BITS | (x))
-#define _PAGE_P(x) _PAGE_NORMAL((x) | (((x) & _PAGE_FOW)?0:_PAGE_FOW))
+#define _PAGE_P(x) _PAGE_NORMAL((x) | _PAGE_FOW)
#define _PAGE_S(x) _PAGE_NORMAL(x)
/*
@@ -126,34 +126,11 @@ struct vm_area_struct;
#define pgprot_noncached(prot) (prot)
/*
- * BAD_PAGETABLE is used when we need a bogus page-table, while
- * BAD_PAGE is used for a bogus page.
- *
* ZERO_PAGE is a global shared page that is always zero: used
* for zero-mapped memory areas etc..
*/
-extern pte_t __bad_page(void);
-extern pmd_t * __bad_pagetable(void);
-
-extern unsigned long __zero_page(void);
-
-#define BAD_PAGETABLE __bad_pagetable()
-#define BAD_PAGE __bad_page()
#define ZERO_PAGE(vaddr) (virt_to_page(ZERO_PGE))
-/* number of bits that fit into a memory pointer */
-#define BITS_PER_PTR (8*sizeof(unsigned long))
-
-/* to align the pointer to a pointer address */
-#define PTR_MASK (~(sizeof(void*)-1))
-
-/* sizeof(void*)==1<<SIZEOF_PTR_LOG2 */
-#define SIZEOF_PTR_LOG2 3
-
-/* to find an entry in a page-table */
-#define PAGE_PTR(address) \
- ((unsigned long)(address)>>(PAGE_SHIFT-SIZEOF_PTR_LOG2)&PTR_MASK&~PAGE_MASK)
-
/*
* On certain platforms whose physical address space can overlap KSEG,
* namely EV6 and above, we must re-twiddle the physaddr to restore the
diff --git a/arch/alpha/kernel/asm-offsets.c b/arch/alpha/kernel/asm-offsets.c
index e9dad60b147f..1ebb05890499 100644
--- a/arch/alpha/kernel/asm-offsets.c
+++ b/arch/alpha/kernel/asm-offsets.c
@@ -4,6 +4,7 @@
* This code generates raw asm output which is post-processed to extract
* and format the required data.
*/
+#define COMPILE_OFFSETS
#include <linux/types.h>
#include <linux/stddef.h>
diff --git a/arch/alpha/kernel/core_marvel.c b/arch/alpha/kernel/core_marvel.c
index b1bfbd11980d..d38f4d6759e4 100644
--- a/arch/alpha/kernel/core_marvel.c
+++ b/arch/alpha/kernel/core_marvel.c
@@ -17,6 +17,7 @@
#include <linux/vmalloc.h>
#include <linux/mc146818rtc.h>
#include <linux/rtc.h>
+#include <linux/string.h>
#include <linux/module.h>
#include <linux/memblock.h>
@@ -79,10 +80,12 @@ mk_resource_name(int pe, int port, char *str)
{
char tmp[80];
char *name;
-
- sprintf(tmp, "PCI %s PE %d PORT %d", str, pe, port);
- name = memblock_alloc_or_panic(strlen(tmp) + 1, SMP_CACHE_BYTES);
- strcpy(name, tmp);
+ size_t sz;
+
+ sz = scnprintf(tmp, sizeof(tmp), "PCI %s PE %d PORT %d", str, pe, port);
+ sz += 1; /* NUL terminator */
+ name = memblock_alloc_or_panic(sz, SMP_CACHE_BYTES);
+ strscpy(name, tmp, sz);
return name;
}
diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c
index 582d96548385..06522451f018 100644
--- a/arch/alpha/kernel/process.c
+++ b/arch/alpha/kernel/process.c
@@ -231,7 +231,7 @@ flush_thread(void)
*/
int copy_thread(struct task_struct *p, const struct kernel_clone_args *args)
{
- unsigned long clone_flags = args->flags;
+ u64 clone_flags = args->flags;
unsigned long usp = args->stack;
unsigned long tls = args->tls;
extern void ret_from_fork(void);
diff --git a/arch/alpha/mm/init.c b/arch/alpha/mm/init.c
index 2d491b8cdab9..4c5ab9cd8a0a 100644
--- a/arch/alpha/mm/init.c
+++ b/arch/alpha/mm/init.c
@@ -60,33 +60,6 @@ pgd_alloc(struct mm_struct *mm)
}
-/*
- * BAD_PAGE is the page that is used for page faults when linux
- * is out-of-memory. Older versions of linux just did a
- * do_exit(), but using this instead means there is less risk
- * for a process dying in kernel mode, possibly leaving an inode
- * unused etc..
- *
- * BAD_PAGETABLE is the accompanying page-table: it is initialized
- * to point to BAD_PAGE entries.
- *
- * ZERO_PAGE is a special page that is used for zero-initialized
- * data and COW.
- */
-pmd_t *
-__bad_pagetable(void)
-{
- memset(absolute_pointer(EMPTY_PGT), 0, PAGE_SIZE);
- return (pmd_t *) EMPTY_PGT;
-}
-
-pte_t
-__bad_page(void)
-{
- memset(absolute_pointer(EMPTY_PGE), 0, PAGE_SIZE);
- return pte_mkdirty(mk_pte(virt_to_page(EMPTY_PGE), PAGE_SHARED));
-}
-
static inline unsigned long
load_PCB(struct pcb_struct *pcb)
{
generated by cgit v1.2.3 (git 2.39.0) at 2025-10-05 21:01:40 +0300