mirror of
https://github.com/torvalds/linux.git
synced 2024-12-30 23:02:08 +00:00
CRIS changes for 3.20
-----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iEYEABECAAYFAlTgZOMACgkQ31LbvUHyf1dBWgCfddXF7asJyWtL6o/4lPuDCS4T UbAAnR2w1qM6KlGvhjUqFgng4qadt3h+ =tIwX -----END PGP SIGNATURE----- Merge tag 'cris-for-3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/jesper/cris Pull CRIS changes from Jesper Nilsson. * tag 'cris-for-3.20' of git://git.kernel.org/pub/scm/linux/kernel/git/jesper/cris: CRIS: Whitespace cleanup CRIS: macro whitespace fixes in uaccess.h CRIS: uaccess: fix sparse errors CRISv32: Remove unnecessary KERN_INFO from sync_serial CRIS: Fix missing NR_CPUS in menuconfig CRISv32: Avoid warning of unused variable CRIS: Avoid warning in cris mm/fault.c CRIS: Export csum_partial_copy_nocheck
This commit is contained in:
Linus Torvalds
commit
1fa185ebcb
@ -57,6 +57,10 @@ config HZ
|
||||
int
|
||||
default 100
|
||||
|
||||
config NR_CPUS
|
||||
int
|
||||
default "1"
|
||||
|
||||
source "init/Kconfig"
|
||||
|
||||
source "kernel/Kconfig.freezer"
|
||||
|
||||
@ -1286,7 +1286,7 @@ static void start_dma_out(struct sync_port *port, const char *data, int count)
|
||||
|
||||
tr_cfg.tr_en = regk_sser_yes;
|
||||
REG_WR(sser, port->regi_sser, rw_tr_cfg, tr_cfg);
|
||||
DEBUGTRDMA(pr_info(KERN_INFO "dma s\n"););
|
||||
DEBUGTRDMA(pr_info("dma s\n"););
|
||||
} else {
|
||||
DMA_CONTINUE_DATA(port->regi_dmaout);
|
||||
DEBUGTRDMA(pr_info("dma c\n"););
|
||||
@ -1443,7 +1443,7 @@ static inline void handle_rx_packet(struct sync_port *port)
|
||||
reg_dma_rw_ack_intr ack_intr = { .data = regk_dma_yes };
|
||||
unsigned long flags;
|
||||
|
||||
DEBUGRXINT(pr_info(KERN_INFO "!"));
|
||||
DEBUGRXINT(pr_info("!"));
|
||||
spin_lock_irqsave(&port->lock, flags);
|
||||
|
||||
/* If we overrun the user experience is crap regardless if we
|
||||
|
||||
@ -107,8 +107,10 @@ static short int watchdog_key = 42; /* arbitrary 7 bit number */
|
||||
* is used though, so set this really low. */
|
||||
#define WATCHDOG_MIN_FREE_PAGES 8
|
||||
|
||||
#if defined(CONFIG_ETRAX_WATCHDOG_NICE_DOGGY)
|
||||
/* for reliable NICE_DOGGY behaviour */
|
||||
static int bite_in_progress;
|
||||
#endif
|
||||
|
||||
void reset_watchdog(void)
|
||||
{
|
||||
@ -155,7 +157,9 @@ void handle_watchdog_bite(struct pt_regs *regs)
|
||||
|
||||
nmi_enter();
|
||||
oops_in_progress = 1;
|
||||
#if defined(CONFIG_ETRAX_WATCHDOG_NICE_DOGGY)
|
||||
bite_in_progress = 1;
|
||||
#endif
|
||||
printk(KERN_WARNING "Watchdog bite\n");
|
||||
|
||||
/* Check if forced restart or unexpected watchdog */
|
||||
|
||||
@ -1,4 +1,4 @@
|
||||
/*
|
||||
/*
|
||||
* Authors: Bjorn Wesen (bjornw@axis.com)
|
||||
* Hans-Peter Nilsson (hp@axis.com)
|
||||
*/
|
||||
@ -35,7 +35,7 @@
|
||||
#define MAKE_MM_SEG(s) ((mm_segment_t) { (s) })
|
||||
|
||||
/* addr_limit is the maximum accessible address for the task. we misuse
|
||||
* the KERNEL_DS and USER_DS values to both assign and compare the
|
||||
* the KERNEL_DS and USER_DS values to both assign and compare the
|
||||
* addr_limit values through the equally misnamed get/set_fs macros.
|
||||
* (see above)
|
||||
*/
|
||||
@ -47,12 +47,13 @@
|
||||
#define get_fs() (current_thread_info()->addr_limit)
|
||||
#define set_fs(x) (current_thread_info()->addr_limit = (x))
|
||||
|
||||
#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) (((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 __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))
|
||||
|
||||
#include <arch/uaccess.h>
|
||||
|
||||
@ -69,8 +70,7 @@
|
||||
* on our cache or tlb entries.
|
||||
*/
|
||||
|
||||
struct exception_table_entry
|
||||
{
|
||||
struct exception_table_entry {
|
||||
unsigned long insn, fixup;
|
||||
};
|
||||
|
||||
@ -92,56 +92,74 @@ struct exception_table_entry
|
||||
* CRIS, we can just do these as direct assignments. (Of course, the
|
||||
* exception handling means that it's no longer "just"...)
|
||||
*/
|
||||
#define get_user(x,ptr) \
|
||||
__get_user_check((x),(ptr),sizeof(*(ptr)))
|
||||
#define put_user(x,ptr) \
|
||||
__put_user_check((__typeof__(*(ptr)))(x),(ptr),sizeof(*(ptr)))
|
||||
#define get_user(x, ptr) \
|
||||
__get_user_check((x), (ptr), sizeof(*(ptr)))
|
||||
#define put_user(x, ptr) \
|
||||
__put_user_check((__typeof__(*(ptr)))(x), (ptr), sizeof(*(ptr)))
|
||||
|
||||
#define __get_user(x,ptr) \
|
||||
__get_user_nocheck((x),(ptr),sizeof(*(ptr)))
|
||||
#define __put_user(x,ptr) \
|
||||
__put_user_nocheck((__typeof__(*(ptr)))(x),(ptr),sizeof(*(ptr)))
|
||||
#define __get_user(x, ptr) \
|
||||
__get_user_nocheck((x), (ptr), sizeof(*(ptr)))
|
||||
#define __put_user(x, ptr) \
|
||||
__put_user_nocheck((__typeof__(*(ptr)))(x), (ptr), sizeof(*(ptr)))
|
||||
|
||||
extern long __put_user_bad(void);
|
||||
|
||||
#define __put_user_size(x,ptr,size,retval) \
|
||||
do { \
|
||||
retval = 0; \
|
||||
switch (size) { \
|
||||
case 1: __put_user_asm(x,ptr,retval,"move.b"); break; \
|
||||
case 2: __put_user_asm(x,ptr,retval,"move.w"); break; \
|
||||
case 4: __put_user_asm(x,ptr,retval,"move.d"); break; \
|
||||
case 8: __put_user_asm_64(x,ptr,retval); break; \
|
||||
default: __put_user_bad(); \
|
||||
} \
|
||||
#define __put_user_size(x, ptr, size, retval) \
|
||||
do { \
|
||||
retval = 0; \
|
||||
switch (size) { \
|
||||
case 1: \
|
||||
__put_user_asm(x, ptr, retval, "move.b"); \
|
||||
break; \
|
||||
case 2: \
|
||||
__put_user_asm(x, ptr, retval, "move.w"); \
|
||||
break; \
|
||||
case 4: \
|
||||
__put_user_asm(x, ptr, retval, "move.d"); \
|
||||
break; \
|
||||
case 8: \
|
||||
__put_user_asm_64(x, ptr, retval); \
|
||||
break; \
|
||||
default: \
|
||||
__put_user_bad(); \
|
||||
} \
|
||||
} while (0)
|
||||
|
||||
#define __get_user_size(x,ptr,size,retval) \
|
||||
do { \
|
||||
retval = 0; \
|
||||
switch (size) { \
|
||||
case 1: __get_user_asm(x,ptr,retval,"move.b"); break; \
|
||||
case 2: __get_user_asm(x,ptr,retval,"move.w"); break; \
|
||||
case 4: __get_user_asm(x,ptr,retval,"move.d"); break; \
|
||||
case 8: __get_user_asm_64(x,ptr,retval); break; \
|
||||
default: (x) = __get_user_bad(); \
|
||||
} \
|
||||
#define __get_user_size(x, ptr, size, retval) \
|
||||
do { \
|
||||
retval = 0; \
|
||||
switch (size) { \
|
||||
case 1: \
|
||||
__get_user_asm(x, ptr, retval, "move.b"); \
|
||||
break; \
|
||||
case 2: \
|
||||
__get_user_asm(x, ptr, retval, "move.w"); \
|
||||
break; \
|
||||
case 4: \
|
||||
__get_user_asm(x, ptr, retval, "move.d"); \
|
||||
break; \
|
||||
case 8: \
|
||||
__get_user_asm_64(x, ptr, retval); \
|
||||
break; \
|
||||
default: \
|
||||
(x) = __get_user_bad(); \
|
||||
} \
|
||||
} while (0)
|
||||
|
||||
#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; \
|
||||
})
|
||||
|
||||
struct __large_struct { unsigned long buf[100]; };
|
||||
@ -149,21 +167,21 @@ struct __large_struct { unsigned long buf[100]; };
|
||||
|
||||
|
||||
|
||||
#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) = (__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) = (__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; \
|
||||
})
|
||||
|
||||
@ -180,7 +198,7 @@ static inline unsigned long
|
||||
__generic_copy_to_user(void __user *to, const void *from, unsigned long n)
|
||||
{
|
||||
if (access_ok(VERIFY_WRITE, to, n))
|
||||
return __copy_user(to,from,n);
|
||||
return __copy_user(to, from, n);
|
||||
return n;
|
||||
}
|
||||
|
||||
@ -188,7 +206,7 @@ static inline unsigned long
|
||||
__generic_copy_from_user(void *to, const void __user *from, unsigned long n)
|
||||
{
|
||||
if (access_ok(VERIFY_READ, from, n))
|
||||
return __copy_user_zeroing(to,from,n);
|
||||
return __copy_user_zeroing(to, from, n);
|
||||
return n;
|
||||
}
|
||||
|
||||
@ -196,7 +214,7 @@ static inline unsigned long
|
||||
__generic_clear_user(void __user *to, unsigned long n)
|
||||
{
|
||||
if (access_ok(VERIFY_WRITE, to, n))
|
||||
return __do_clear_user(to,n);
|
||||
return __do_clear_user(to, n);
|
||||
return n;
|
||||
}
|
||||
|
||||
@ -210,6 +228,7 @@ static inline long
|
||||
strncpy_from_user(char *dst, const char __user *src, long count)
|
||||
{
|
||||
long res = -EFAULT;
|
||||
|
||||
if (access_ok(VERIFY_READ, src, 1))
|
||||
res = __do_strncpy_from_user(dst, src, count);
|
||||
return res;
|
||||
@ -223,6 +242,7 @@ static inline unsigned long
|
||||
__constant_copy_from_user(void *to, const void __user *from, unsigned long n)
|
||||
{
|
||||
unsigned long ret = 0;
|
||||
|
||||
if (n == 0)
|
||||
;
|
||||
else if (n == 1)
|
||||
@ -273,6 +293,7 @@ static inline unsigned long
|
||||
__constant_copy_to_user(void __user *to, const void *from, unsigned long n)
|
||||
{
|
||||
unsigned long ret = 0;
|
||||
|
||||
if (n == 0)
|
||||
;
|
||||
else if (n == 1)
|
||||
@ -323,6 +344,7 @@ static inline unsigned long
|
||||
__constant_clear_user(void __user *to, unsigned long n)
|
||||
{
|
||||
unsigned long ret = 0;
|
||||
|
||||
if (n == 0)
|
||||
;
|
||||
else if (n == 1)
|
||||
@ -350,20 +372,20 @@ __constant_clear_user(void __user *to, unsigned long n)
|
||||
}
|
||||
|
||||
|
||||
#define clear_user(to, n) \
|
||||
(__builtin_constant_p(n) ? \
|
||||
__constant_clear_user(to, n) : \
|
||||
__generic_clear_user(to, n))
|
||||
#define clear_user(to, n) \
|
||||
(__builtin_constant_p(n) ? \
|
||||
__constant_clear_user(to, n) : \
|
||||
__generic_clear_user(to, n))
|
||||
|
||||
#define copy_from_user(to, from, n) \
|
||||
(__builtin_constant_p(n) ? \
|
||||
__constant_copy_from_user(to, from, n) : \
|
||||
__generic_copy_from_user(to, from, n))
|
||||
#define copy_from_user(to, from, n) \
|
||||
(__builtin_constant_p(n) ? \
|
||||
__constant_copy_from_user(to, from, n) : \
|
||||
__generic_copy_from_user(to, from, n))
|
||||
|
||||
#define copy_to_user(to, from, n) \
|
||||
(__builtin_constant_p(n) ? \
|
||||
__constant_copy_to_user(to, from, n) : \
|
||||
__generic_copy_to_user(to, from, n))
|
||||
#define copy_to_user(to, from, n) \
|
||||
(__builtin_constant_p(n) ? \
|
||||
__constant_copy_to_user(to, from, n) : \
|
||||
__generic_copy_to_user(to, from, n))
|
||||
|
||||
/* We let the __ versions of copy_from/to_user inline, because they're often
|
||||
* used in fast paths and have only a small space overhead.
|
||||
@ -373,29 +395,31 @@ static inline unsigned long
|
||||
__generic_copy_from_user_nocheck(void *to, const void __user *from,
|
||||
unsigned long n)
|
||||
{
|
||||
return __copy_user_zeroing(to,from,n);
|
||||
return __copy_user_zeroing(to, from, n);
|
||||
}
|
||||
|
||||
static inline unsigned long
|
||||
__generic_copy_to_user_nocheck(void __user *to, const void *from,
|
||||
unsigned long n)
|
||||
{
|
||||
return __copy_user(to,from,n);
|
||||
return __copy_user(to, from, n);
|
||||
}
|
||||
|
||||
static inline unsigned long
|
||||
__generic_clear_user_nocheck(void __user *to, unsigned long n)
|
||||
{
|
||||
return __do_clear_user(to,n);
|
||||
return __do_clear_user(to, n);
|
||||
}
|
||||
|
||||
/* without checking */
|
||||
|
||||
#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_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
|
||||
#define __clear_user(to,n) __generic_clear_user_nocheck((to),(n))
|
||||
#define __clear_user(to, n) __generic_clear_user_nocheck((to), (n))
|
||||
|
||||
#define strlen_user(str) strnlen_user((str), 0x7ffffffe)
|
||||
|
||||
|
||||
@ -67,3 +67,4 @@ EXPORT_SYMBOL(schedule_usleep);
|
||||
#endif
|
||||
EXPORT_SYMBOL(csum_partial);
|
||||
EXPORT_SYMBOL(csum_partial_copy_from_user);
|
||||
EXPORT_SYMBOL(csum_partial_copy_nocheck);
|
||||
|
||||
@ -219,6 +219,9 @@ retry:
|
||||
/* User mode accesses just cause a SIGSEGV */
|
||||
|
||||
if (user_mode(regs)) {
|
||||
#ifdef CONFIG_NO_SEGFAULT_TERMINATION
|
||||
DECLARE_WAIT_QUEUE_HEAD(wq);
|
||||
#endif
|
||||
printk(KERN_NOTICE "%s (pid %d) segfaults for page "
|
||||
"address %08lx at pc %08lx\n",
|
||||
tsk->comm, tsk->pid,
|
||||
@ -229,7 +232,6 @@ retry:
|
||||
show_registers(regs);
|
||||
|
||||
#ifdef CONFIG_NO_SEGFAULT_TERMINATION
|
||||
DECLARE_WAIT_QUEUE_HEAD(wq);
|
||||
wait_event_interruptible(wq, 0 == 1);
|
||||
#else
|
||||
info.si_signo = SIGSEGV;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user