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-rw-r--r--arch/xtensa/include/asm/pgtable.h12
-rw-r--r--arch/xtensa/include/asm/thread_info.h5
-rw-r--r--arch/xtensa/include/asm/uaccess.h90
-rw-r--r--arch/xtensa/kernel/setup.c7
-rw-r--r--arch/xtensa/kernel/signal.c2
5 files changed, 49 insertions, 67 deletions
diff --git a/arch/xtensa/include/asm/pgtable.h b/arch/xtensa/include/asm/pgtable.h
index 872bf0194e6d..a5e929a10c20 100644
--- a/arch/xtensa/include/asm/pgtable.h
+++ b/arch/xtensa/include/asm/pgtable.h
@@ -57,7 +57,7 @@
#define PTRS_PER_PGD 1024
#define PGD_ORDER 0
#define USER_PTRS_PER_PGD (TASK_SIZE/PGDIR_SIZE)
-#define FIRST_USER_ADDRESS 0
+#define FIRST_USER_ADDRESS 0UL
#define FIRST_USER_PGD_NR (FIRST_USER_ADDRESS >> PGDIR_SHIFT)
/*
@@ -89,8 +89,6 @@
* (PAGE_NONE)| PPN | 0 | 00 | ADW | 01 | 11 | 11 |
* +-----------------------------------------+
* swap | index | type | 01 | 11 | 00 |
- * +- - - - - - - - - - - - - - - - - - - - -+
- * file | file offset | 01 | 11 | 10 |
* +-----------------------------------------+
*
* For T1050 hardware and earlier the layout differs for present and (PAGE_NONE)
@@ -111,7 +109,6 @@
* index swap offset / PAGE_SIZE (bit 11-31: 21 bits -> 8 GB)
* (note that the index is always non-zero)
* type swap type (5 bits -> 32 types)
- * file offset 26-bit offset into the file, in increments of PAGE_SIZE
*
* Notes:
* - (PROT_NONE) is a special case of 'present' but causes an exception for
@@ -144,7 +141,6 @@
#define _PAGE_HW_VALID 0x00
#define _PAGE_NONE 0x0f
#endif
-#define _PAGE_FILE (1<<1) /* file mapped page, only if !present */
#define _PAGE_USER (1<<4) /* user access (ring=1) */
@@ -260,7 +256,6 @@ static inline void pgtable_cache_init(void) { }
static inline int pte_write(pte_t pte) { return pte_val(pte) & _PAGE_WRITABLE; }
static inline int pte_dirty(pte_t pte) { return pte_val(pte) & _PAGE_DIRTY; }
static inline int pte_young(pte_t pte) { return pte_val(pte) & _PAGE_ACCESSED; }
-static inline int pte_file(pte_t pte) { return pte_val(pte) & _PAGE_FILE; }
static inline int pte_special(pte_t pte) { return 0; }
static inline pte_t pte_wrprotect(pte_t pte)
@@ -390,11 +385,6 @@ ptep_set_wrprotect(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
#define __pte_to_swp_entry(pte) ((swp_entry_t) { pte_val(pte) })
#define __swp_entry_to_pte(x) ((pte_t) { (x).val })
-#define PTE_FILE_MAX_BITS 26
-#define pte_to_pgoff(pte) (pte_val(pte) >> 6)
-#define pgoff_to_pte(off) \
- ((pte_t) { ((off) << 6) | _PAGE_CA_INVALID | _PAGE_FILE | _PAGE_USER })
-
#endif /* !defined (__ASSEMBLY__) */
diff --git a/arch/xtensa/include/asm/thread_info.h b/arch/xtensa/include/asm/thread_info.h
index 470153e8547c..a9b5d3ba196c 100644
--- a/arch/xtensa/include/asm/thread_info.h
+++ b/arch/xtensa/include/asm/thread_info.h
@@ -51,7 +51,6 @@ struct thread_info {
__s32 preempt_count; /* 0 => preemptable,< 0 => BUG*/
mm_segment_t addr_limit; /* thread address space */
- struct restart_block restart_block;
unsigned long cpenable;
@@ -72,7 +71,6 @@ struct thread_info {
#define TI_CPU 0x00000010
#define TI_PRE_COUNT 0x00000014
#define TI_ADDR_LIMIT 0x00000018
-#define TI_RESTART_BLOCK 0x000001C
#endif
@@ -90,9 +88,6 @@ struct thread_info {
.cpu = 0, \
.preempt_count = INIT_PREEMPT_COUNT, \
.addr_limit = KERNEL_DS, \
- .restart_block = { \
- .fn = do_no_restart_syscall, \
- }, \
}
#define init_thread_info (init_thread_union.thread_info)
diff --git a/arch/xtensa/include/asm/uaccess.h b/arch/xtensa/include/asm/uaccess.h
index 876eb380aa26..147b26ed9c91 100644
--- a/arch/xtensa/include/asm/uaccess.h
+++ b/arch/xtensa/include/asm/uaccess.h
@@ -182,13 +182,13 @@
#define get_fs() (current->thread.current_ds)
#define set_fs(val) (current->thread.current_ds = (val))
-#define segment_eq(a,b) ((a).seg == (b).seg)
+#define segment_eq(a, b) ((a).seg == (b).seg)
#define __kernel_ok (segment_eq(get_fs(), KERNEL_DS))
-#define __user_ok(addr,size) \
+#define __user_ok(addr, size) \
(((size) <= TASK_SIZE)&&((addr) <= TASK_SIZE-(size)))
-#define __access_ok(addr,size) (__kernel_ok || __user_ok((addr),(size)))
-#define access_ok(type,addr,size) __access_ok((unsigned long)(addr),(size))
+#define __access_ok(addr, size) (__kernel_ok || __user_ok((addr), (size)))
+#define access_ok(type, addr, size) __access_ok((unsigned long)(addr), (size))
/*
* These are the main single-value transfer routines. They
@@ -204,8 +204,8 @@
* (a) re-use the arguments for side effects (sizeof is ok)
* (b) require any knowledge of processes at this stage
*/
-#define put_user(x,ptr) __put_user_check((x),(ptr),sizeof(*(ptr)))
-#define get_user(x,ptr) __get_user_check((x),(ptr),sizeof(*(ptr)))
+#define put_user(x, ptr) __put_user_check((x), (ptr), sizeof(*(ptr)))
+#define get_user(x, ptr) __get_user_check((x), (ptr), sizeof(*(ptr)))
/*
* The "__xxx" versions of the user access functions are versions that
@@ -213,39 +213,39 @@
* with a separate "access_ok()" call (this is used when we do multiple
* accesses to the same area of user memory).
*/
-#define __put_user(x,ptr) __put_user_nocheck((x),(ptr),sizeof(*(ptr)))
-#define __get_user(x,ptr) __get_user_nocheck((x),(ptr),sizeof(*(ptr)))
+#define __put_user(x, ptr) __put_user_nocheck((x), (ptr), sizeof(*(ptr)))
+#define __get_user(x, ptr) __get_user_nocheck((x), (ptr), sizeof(*(ptr)))
extern long __put_user_bad(void);
-#define __put_user_nocheck(x,ptr,size) \
+#define __put_user_nocheck(x, ptr, size) \
({ \
long __pu_err; \
- __put_user_size((x),(ptr),(size),__pu_err); \
+ __put_user_size((x), (ptr), (size), __pu_err); \
__pu_err; \
})
-#define __put_user_check(x,ptr,size) \
-({ \
- long __pu_err = -EFAULT; \
- __typeof__(*(ptr)) *__pu_addr = (ptr); \
- if (access_ok(VERIFY_WRITE,__pu_addr,size)) \
- __put_user_size((x),__pu_addr,(size),__pu_err); \
- __pu_err; \
+#define __put_user_check(x, ptr, size) \
+({ \
+ long __pu_err = -EFAULT; \
+ __typeof__(*(ptr)) *__pu_addr = (ptr); \
+ if (access_ok(VERIFY_WRITE, __pu_addr, size)) \
+ __put_user_size((x), __pu_addr, (size), __pu_err); \
+ __pu_err; \
})
-#define __put_user_size(x,ptr,size,retval) \
+#define __put_user_size(x, ptr, size, retval) \
do { \
int __cb; \
retval = 0; \
switch (size) { \
- case 1: __put_user_asm(x,ptr,retval,1,"s8i",__cb); break; \
- case 2: __put_user_asm(x,ptr,retval,2,"s16i",__cb); break; \
- case 4: __put_user_asm(x,ptr,retval,4,"s32i",__cb); break; \
+ case 1: __put_user_asm(x, ptr, retval, 1, "s8i", __cb); break; \
+ case 2: __put_user_asm(x, ptr, retval, 2, "s16i", __cb); break; \
+ case 4: __put_user_asm(x, ptr, retval, 4, "s32i", __cb); break; \
case 8: { \
__typeof__(*ptr) __v64 = x; \
- retval = __copy_to_user(ptr,&__v64,8); \
+ retval = __copy_to_user(ptr, &__v64, 8); \
break; \
} \
default: __put_user_bad(); \
@@ -316,35 +316,35 @@ __asm__ __volatile__( \
:"=r" (err), "=r" (cb) \
:"r" ((int)(x)), "r" (addr), "i" (-EFAULT), "0" (err))
-#define __get_user_nocheck(x,ptr,size) \
+#define __get_user_nocheck(x, ptr, size) \
({ \
long __gu_err, __gu_val; \
- __get_user_size(__gu_val,(ptr),(size),__gu_err); \
- (x) = (__force __typeof__(*(ptr)))__gu_val; \
+ __get_user_size(__gu_val, (ptr), (size), __gu_err); \
+ (x) = (__force __typeof__(*(ptr)))__gu_val; \
__gu_err; \
})
-#define __get_user_check(x,ptr,size) \
+#define __get_user_check(x, ptr, size) \
({ \
long __gu_err = -EFAULT, __gu_val = 0; \
const __typeof__(*(ptr)) *__gu_addr = (ptr); \
- if (access_ok(VERIFY_READ,__gu_addr,size)) \
- __get_user_size(__gu_val,__gu_addr,(size),__gu_err); \
- (x) = (__force __typeof__(*(ptr)))__gu_val; \
+ if (access_ok(VERIFY_READ, __gu_addr, size)) \
+ __get_user_size(__gu_val, __gu_addr, (size), __gu_err); \
+ (x) = (__force __typeof__(*(ptr)))__gu_val; \
__gu_err; \
})
extern long __get_user_bad(void);
-#define __get_user_size(x,ptr,size,retval) \
+#define __get_user_size(x, ptr, size, retval) \
do { \
int __cb; \
retval = 0; \
switch (size) { \
- case 1: __get_user_asm(x,ptr,retval,1,"l8ui",__cb); break; \
- case 2: __get_user_asm(x,ptr,retval,2,"l16ui",__cb); break; \
- case 4: __get_user_asm(x,ptr,retval,4,"l32i",__cb); break; \
- case 8: retval = __copy_from_user(&x,ptr,8); break; \
+ case 1: __get_user_asm(x, ptr, retval, 1, "l8ui", __cb); break;\
+ case 2: __get_user_asm(x, ptr, retval, 2, "l16ui", __cb); break;\
+ case 4: __get_user_asm(x, ptr, retval, 4, "l32i", __cb); break;\
+ case 8: retval = __copy_from_user(&x, ptr, 8); break; \
default: (x) = __get_user_bad(); \
} \
} while (0)
@@ -390,19 +390,19 @@ __asm__ __volatile__( \
*/
extern unsigned __xtensa_copy_user(void *to, const void *from, unsigned n);
-#define __copy_user(to,from,size) __xtensa_copy_user(to,from,size)
+#define __copy_user(to, from, size) __xtensa_copy_user(to, from, size)
static inline unsigned long
__generic_copy_from_user_nocheck(void *to, const void *from, unsigned long n)
{
- return __copy_user(to,from,n);
+ return __copy_user(to, from, n);
}
static inline unsigned long
__generic_copy_to_user_nocheck(void *to, const void *from, unsigned long n)
{
- return __copy_user(to,from,n);
+ return __copy_user(to, from, n);
}
static inline unsigned long
@@ -410,7 +410,7 @@ __generic_copy_to_user(void *to, const void *from, unsigned long n)
{
prefetch(from);
if (access_ok(VERIFY_WRITE, to, n))
- return __copy_user(to,from,n);
+ return __copy_user(to, from, n);
return n;
}
@@ -419,18 +419,18 @@ __generic_copy_from_user(void *to, const void *from, unsigned long n)
{
prefetchw(to);
if (access_ok(VERIFY_READ, from, n))
- return __copy_user(to,from,n);
+ return __copy_user(to, from, n);
else
memset(to, 0, n);
return n;
}
-#define copy_to_user(to,from,n) __generic_copy_to_user((to),(from),(n))
-#define copy_from_user(to,from,n) __generic_copy_from_user((to),(from),(n))
-#define __copy_to_user(to,from,n) \
- __generic_copy_to_user_nocheck((to),(from),(n))
-#define __copy_from_user(to,from,n) \
- __generic_copy_from_user_nocheck((to),(from),(n))
+#define copy_to_user(to, from, n) __generic_copy_to_user((to), (from), (n))
+#define copy_from_user(to, from, n) __generic_copy_from_user((to), (from), (n))
+#define __copy_to_user(to, from, n) \
+ __generic_copy_to_user_nocheck((to), (from), (n))
+#define __copy_from_user(to, from, n) \
+ __generic_copy_from_user_nocheck((to), (from), (n))
#define __copy_to_user_inatomic __copy_to_user
#define __copy_from_user_inatomic __copy_from_user
diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c
index 06370ccea9e9..28fc57ef5b86 100644
--- a/arch/xtensa/kernel/setup.c
+++ b/arch/xtensa/kernel/setup.c
@@ -574,12 +574,9 @@ void machine_power_off(void)
static int
c_show(struct seq_file *f, void *slot)
{
- char buf[NR_CPUS * 5];
-
- cpulist_scnprintf(buf, sizeof(buf), cpu_online_mask);
/* high-level stuff */
seq_printf(f, "CPU count\t: %u\n"
- "CPU list\t: %s\n"
+ "CPU list\t: %*pbl\n"
"vendor_id\t: Tensilica\n"
"model\t\t: Xtensa " XCHAL_HW_VERSION_NAME "\n"
"core ID\t\t: " XCHAL_CORE_ID "\n"
@@ -588,7 +585,7 @@ c_show(struct seq_file *f, void *slot)
"cpu MHz\t\t: %lu.%02lu\n"
"bogomips\t: %lu.%02lu\n",
num_online_cpus(),
- buf,
+ cpumask_pr_args(cpu_online_mask),
XCHAL_BUILD_UNIQUE_ID,
XCHAL_HAVE_BE ? "big" : "little",
ccount_freq/1000000,
diff --git a/arch/xtensa/kernel/signal.c b/arch/xtensa/kernel/signal.c
index 4612321c73cc..3d733ba16f28 100644
--- a/arch/xtensa/kernel/signal.c
+++ b/arch/xtensa/kernel/signal.c
@@ -245,7 +245,7 @@ asmlinkage long xtensa_rt_sigreturn(long a0, long a1, long a2, long a3,
int ret;
/* Always make any pending restarted system calls return -EINTR */
- current_thread_info()->restart_block.fn = do_no_restart_syscall;
+ current->restart_block.fn = do_no_restart_syscall;
if (regs->depc > 64)
panic("rt_sigreturn in double exception!\n");
generated by cgit 1.2.3-korg (git 2.39.0) at 2024-04-27 06:04:22 +0000