diff options
Diffstat (limited to 'arch/mips')
24 files changed, 140 insertions, 494 deletions
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index e0bb576410bb..d6d545a45118 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -68,7 +68,6 @@ config MIPS select HANDLE_DOMAIN_IRQ select HAVE_EXIT_THREAD select HAVE_REGS_AND_STACK_ACCESS_API - select HAVE_ARCH_HARDENED_USERCOPY menu "Machine selection" diff --git a/arch/mips/alchemy/common/time.c b/arch/mips/alchemy/common/time.c index e1bec5a77c39..32d1333bb243 100644 --- a/arch/mips/alchemy/common/time.c +++ b/arch/mips/alchemy/common/time.c @@ -138,7 +138,9 @@ static int __init alchemy_time_init(unsigned int m2int) cd->shift = 32; cd->mult = div_sc(32768, NSEC_PER_SEC, cd->shift); cd->max_delta_ns = clockevent_delta2ns(0xffffffff, cd); - cd->min_delta_ns = clockevent_delta2ns(9, cd); /* ~0.28ms */ + cd->max_delta_ticks = 0xffffffff; + cd->min_delta_ns = clockevent_delta2ns(9, cd); + cd->min_delta_ticks = 9; /* ~0.28ms */ clockevents_register_device(cd); setup_irq(m2int, &au1x_rtcmatch2_irqaction); diff --git a/arch/mips/cavium-octeon/octeon-memcpy.S b/arch/mips/cavium-octeon/octeon-memcpy.S index cfd97f6448bb..0a7c9834b81c 100644 --- a/arch/mips/cavium-octeon/octeon-memcpy.S +++ b/arch/mips/cavium-octeon/octeon-memcpy.S @@ -140,15 +140,6 @@ .set noat /* - * t7 is used as a flag to note inatomic mode. - */ -LEAF(__copy_user_inatomic) -EXPORT_SYMBOL(__copy_user_inatomic) - b __copy_user_common - li t7, 1 - END(__copy_user_inatomic) - -/* * A combined memcpy/__copy_user * __copy_user sets len to 0 for success; else to an upper bound of * the number of uncopied bytes. @@ -161,8 +152,6 @@ EXPORT_SYMBOL(memcpy) __memcpy: FEXPORT(__copy_user) EXPORT_SYMBOL(__copy_user) - li t7, 0 /* not inatomic */ -__copy_user_common: /* * Note: dst & src may be unaligned, len may be 0 * Temps @@ -414,25 +403,7 @@ l_exc: LOAD t0, TI_TASK($28) LOAD t0, THREAD_BUADDR(t0) # t0 is just past last good address SUB len, AT, t0 # len number of uncopied bytes - bnez t7, 2f /* Skip the zeroing out part if inatomic */ - /* - * Here's where we rely on src and dst being incremented in tandem, - * See (3) above. - * dst += (fault addr - src) to put dst at first byte to clear - */ - ADD dst, t0 # compute start address in a1 - SUB dst, src - /* - * Clear len bytes starting at dst. Can't call __bzero because it - * might modify len. An inefficient loop for these rare times... - */ - beqz len, done - SUB src, len, 1 -1: sb zero, 0(dst) - ADD dst, dst, 1 - bnez src, 1b - SUB src, src, 1 -2: jr ra + jr ra nop diff --git a/arch/mips/include/asm/checksum.h b/arch/mips/include/asm/checksum.h index c8b574f7e0cc..77cad232a1c6 100644 --- a/arch/mips/include/asm/checksum.h +++ b/arch/mips/include/asm/checksum.h @@ -50,7 +50,7 @@ __wsum csum_partial_copy_from_user(const void __user *src, void *dst, int len, __wsum sum, int *err_ptr) { might_fault(); - if (segment_eq(get_fs(), get_ds())) + if (uaccess_kernel()) return __csum_partial_copy_kernel((__force void *)src, dst, len, sum, err_ptr); else @@ -82,7 +82,7 @@ __wsum csum_and_copy_to_user(const void *src, void __user *dst, int len, { might_fault(); if (access_ok(VERIFY_WRITE, dst, len)) { - if (segment_eq(get_fs(), get_ds())) + if (uaccess_kernel()) return __csum_partial_copy_kernel(src, (__force void *)dst, len, sum, err_ptr); diff --git a/arch/mips/include/asm/r4kcache.h b/arch/mips/include/asm/r4kcache.h index 55fd94e6cd0b..7f12d7e27c94 100644 --- a/arch/mips/include/asm/r4kcache.h +++ b/arch/mips/include/asm/r4kcache.h @@ -20,7 +20,7 @@ #include <asm/cpu-features.h> #include <asm/cpu-type.h> #include <asm/mipsmtregs.h> -#include <linux/uaccess.h> /* for segment_eq() */ +#include <linux/uaccess.h> /* for uaccess_kernel() */ extern void (*r4k_blast_dcache)(void); extern void (*r4k_blast_icache)(void); @@ -714,7 +714,7 @@ static inline void protected_blast_##pfx##cache##_range(unsigned long start,\ \ __##pfx##flush_prologue \ \ - if (segment_eq(get_fs(), USER_DS)) { \ + if (!uaccess_kernel()) { \ while (1) { \ protected_cachee_op(hitop, addr); \ if (addr == aend) \ diff --git a/arch/mips/include/asm/uaccess.h b/arch/mips/include/asm/uaccess.h index 5347cfe15af2..99e629a590a5 100644 --- a/arch/mips/include/asm/uaccess.h +++ b/arch/mips/include/asm/uaccess.h @@ -12,8 +12,6 @@ #define _ASM_UACCESS_H #include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/thread_info.h> #include <linux/string.h> #include <asm/asm-eva.h> #include <asm/extable.h> @@ -71,9 +69,6 @@ extern u64 __ua_limit; #define USER_DS ((mm_segment_t) { __UA_LIMIT }) #endif -#define VERIFY_READ 0 -#define VERIFY_WRITE 1 - #define get_ds() (KERNEL_DS) #define get_fs() (current_thread_info()->addr_limit) #define set_fs(x) (current_thread_info()->addr_limit = (x)) @@ -93,7 +88,7 @@ static inline bool eva_kernel_access(void) if (!IS_ENABLED(CONFIG_EVA)) return false; - return segment_eq(get_fs(), get_ds()); + return uaccess_kernel(); } /* @@ -133,23 +128,14 @@ static inline bool eva_kernel_access(void) * this function, memory access functions may still return -EFAULT. */ -#define __access_mask get_fs().seg - -#define __access_ok(addr, size, mask) \ -({ \ - unsigned long __addr = (unsigned long) (addr); \ - unsigned long __size = size; \ - unsigned long __mask = mask; \ - unsigned long __ok; \ - \ - __chk_user_ptr(addr); \ - __ok = (signed long)(__mask & (__addr | (__addr + __size) | \ - __ua_size(__size))); \ - __ok == 0; \ -}) +static inline int __access_ok(const void __user *p, unsigned long size) +{ + unsigned long addr = (unsigned long)p; + return (get_fs().seg & (addr | (addr + size) | __ua_size(size))) == 0; +} #define access_ok(type, addr, size) \ - likely(__access_ok((addr), (size), __access_mask)) + likely(__access_ok((addr), (size))) /* * put_user: - Write a simple value into user space. @@ -811,157 +797,7 @@ extern void __put_user_unaligned_unknown(void); extern size_t __copy_user(void *__to, const void *__from, size_t __n); -#ifndef CONFIG_EVA -#define __invoke_copy_to_user(to, from, n) \ -({ \ - register void __user *__cu_to_r __asm__("$4"); \ - register const void *__cu_from_r __asm__("$5"); \ - register long __cu_len_r __asm__("$6"); \ - \ - __cu_to_r = (to); \ - __cu_from_r = (from); \ - __cu_len_r = (n); \ - __asm__ __volatile__( \ - __MODULE_JAL(__copy_user) \ - : "+r" (__cu_to_r), "+r" (__cu_from_r), "+r" (__cu_len_r) \ - : \ - : "$8", "$9", "$10", "$11", "$12", "$14", "$15", "$24", "$31", \ - DADDI_SCRATCH, "memory"); \ - __cu_len_r; \ -}) - -#define __invoke_copy_to_kernel(to, from, n) \ - __invoke_copy_to_user(to, from, n) - -#endif - -/* - * __copy_to_user: - Copy a block of data into user space, with less checking. - * @to: Destination address, in user space. - * @from: Source address, in kernel space. - * @n: Number of bytes to copy. - * - * Context: User context only. This function may sleep if pagefaults are - * enabled. - * - * Copy data from kernel space to user space. Caller must check - * the specified block with access_ok() before calling this function. - * - * Returns number of bytes that could not be copied. - * On success, this will be zero. - */ -#define __copy_to_user(to, from, n) \ -({ \ - void __user *__cu_to; \ - const void *__cu_from; \ - long __cu_len; \ - \ - __cu_to = (to); \ - __cu_from = (from); \ - __cu_len = (n); \ - \ - check_object_size(__cu_from, __cu_len, true); \ - might_fault(); \ - \ - if (eva_kernel_access()) \ - __cu_len = __invoke_copy_to_kernel(__cu_to, __cu_from, \ - __cu_len); \ - else \ - __cu_len = __invoke_copy_to_user(__cu_to, __cu_from, \ - __cu_len); \ - __cu_len; \ -}) - -extern size_t __copy_user_inatomic(void *__to, const void *__from, size_t __n); - -#define __copy_to_user_inatomic(to, from, n) \ -({ \ - void __user *__cu_to; \ - const void *__cu_from; \ - long __cu_len; \ - \ - __cu_to = (to); \ - __cu_from = (from); \ - __cu_len = (n); \ - \ - check_object_size(__cu_from, __cu_len, true); \ - \ - if (eva_kernel_access()) \ - __cu_len = __invoke_copy_to_kernel(__cu_to, __cu_from, \ - __cu_len); \ - else \ - __cu_len = __invoke_copy_to_user(__cu_to, __cu_from, \ - __cu_len); \ - __cu_len; \ -}) - -#define __copy_from_user_inatomic(to, from, n) \ -({ \ - void *__cu_to; \ - const void __user *__cu_from; \ - long __cu_len; \ - \ - __cu_to = (to); \ - __cu_from = (from); \ - __cu_len = (n); \ - \ - check_object_size(__cu_to, __cu_len, false); \ - \ - if (eva_kernel_access()) \ - __cu_len = __invoke_copy_from_kernel_inatomic(__cu_to, \ - __cu_from,\ - __cu_len);\ - else \ - __cu_len = __invoke_copy_from_user_inatomic(__cu_to, \ - __cu_from, \ - __cu_len); \ - __cu_len; \ -}) - -/* - * copy_to_user: - Copy a block of data into user space. - * @to: Destination address, in user space. - * @from: Source address, in kernel space. - * @n: Number of bytes to copy. - * - * Context: User context only. This function may sleep if pagefaults are - * enabled. - * - * Copy data from kernel space to user space. - * - * Returns number of bytes that could not be copied. - * On success, this will be zero. - */ -#define copy_to_user(to, from, n) \ -({ \ - void __user *__cu_to; \ - const void *__cu_from; \ - long __cu_len; \ - \ - __cu_to = (to); \ - __cu_from = (from); \ - __cu_len = (n); \ - \ - check_object_size(__cu_from, __cu_len, true); \ - \ - if (eva_kernel_access()) { \ - __cu_len = __invoke_copy_to_kernel(__cu_to, \ - __cu_from, \ - __cu_len); \ - } else { \ - if (access_ok(VERIFY_WRITE, __cu_to, __cu_len)) { \ - might_fault(); \ - __cu_len = __invoke_copy_to_user(__cu_to, \ - __cu_from, \ - __cu_len); \ - } \ - } \ - __cu_len; \ -}) - -#ifndef CONFIG_EVA - -#define __invoke_copy_from_user(to, from, n) \ +#define __invoke_copy_from(func, to, from, n) \ ({ \ register void *__cu_to_r __asm__("$4"); \ register const void __user *__cu_from_r __asm__("$5"); \ @@ -972,7 +808,7 @@ extern size_t __copy_user_inatomic(void *__to, const void *__from, size_t __n); __cu_len_r = (n); \ __asm__ __volatile__( \ ".set\tnoreorder\n\t" \ - __MODULE_JAL(__copy_user) \ + __MODULE_JAL(func) \ ".set\tnoat\n\t" \ __UA_ADDU "\t$1, %1, %2\n\t" \ ".set\tat\n\t" \ @@ -984,33 +820,17 @@ extern size_t __copy_user_inatomic(void *__to, const void *__from, size_t __n); __cu_len_r; \ }) -#define __invoke_copy_from_kernel(to, from, n) \ - __invoke_copy_from_user(to, from, n) - -/* For userland <-> userland operations */ -#define ___invoke_copy_in_user(to, from, n) \ - __invoke_copy_from_user(to, from, n) - -/* For kernel <-> kernel operations */ -#define ___invoke_copy_in_kernel(to, from, n) \ - __invoke_copy_from_user(to, from, n) - -#define __invoke_copy_from_user_inatomic(to, from, n) \ +#define __invoke_copy_to(func, to, from, n) \ ({ \ - register void *__cu_to_r __asm__("$4"); \ - register const void __user *__cu_from_r __asm__("$5"); \ + register void __user *__cu_to_r __asm__("$4"); \ + register const void *__cu_from_r __asm__("$5"); \ register long __cu_len_r __asm__("$6"); \ \ __cu_to_r = (to); \ __cu_from_r = (from); \ __cu_len_r = (n); \ __asm__ __volatile__( \ - ".set\tnoreorder\n\t" \ - __MODULE_JAL(__copy_user_inatomic) \ - ".set\tnoat\n\t" \ - __UA_ADDU "\t$1, %1, %2\n\t" \ - ".set\tat\n\t" \ - ".set\treorder" \ + __MODULE_JAL(func) \ : "+r" (__cu_to_r), "+r" (__cu_from_r), "+r" (__cu_len_r) \ : \ : "$8", "$9", "$10", "$11", "$12", "$14", "$15", "$24", "$31", \ @@ -1018,228 +838,79 @@ extern size_t __copy_user_inatomic(void *__to, const void *__from, size_t __n); __cu_len_r; \ }) -#define __invoke_copy_from_kernel_inatomic(to, from, n) \ - __invoke_copy_from_user_inatomic(to, from, n) \ +#define __invoke_copy_from_kernel(to, from, n) \ + __invoke_copy_from(__copy_user, to, from, n) + +#define __invoke_copy_to_kernel(to, from, n) \ + __invoke_copy_to(__copy_user, to, from, n) + +#define ___invoke_copy_in_kernel(to, from, n) \ + __invoke_copy_from(__copy_user, to, from, n) + +#ifndef CONFIG_EVA +#define __invoke_copy_from_user(to, from, n) \ + __invoke_copy_from(__copy_user, to, from, n) + +#define __invoke_copy_to_user(to, from, n) \ + __invoke_copy_to(__copy_user, to, from, n) + +#define ___invoke_copy_in_user(to, from, n) \ + __invoke_copy_from(__copy_user, to, from, n) #else /* EVA specific functions */ -extern size_t __copy_user_inatomic_eva(void *__to, const void *__from, - size_t __n); extern size_t __copy_from_user_eva(void *__to, const void *__from, size_t __n); extern size_t __copy_to_user_eva(void *__to, const void *__from, size_t __n); extern size_t __copy_in_user_eva(void *__to, const void *__from, size_t __n); -#define __invoke_copy_from_user_eva_generic(to, from, n, func_ptr) \ -({ \ - register void *__cu_to_r __asm__("$4"); \ - register const void __user *__cu_from_r __asm__("$5"); \ - register long __cu_len_r __asm__("$6"); \ - \ - __cu_to_r = (to); \ - __cu_from_r = (from); \ - __cu_len_r = (n); \ - __asm__ __volatile__( \ - ".set\tnoreorder\n\t" \ - __MODULE_JAL(func_ptr) \ - ".set\tnoat\n\t" \ - __UA_ADDU "\t$1, %1, %2\n\t" \ - ".set\tat\n\t" \ - ".set\treorder" \ - : "+r" (__cu_to_r), "+r" (__cu_from_r), "+r" (__cu_len_r) \ - : \ - : "$8", "$9", "$10", "$11", "$12", "$14", "$15", "$24", "$31", \ - DADDI_SCRATCH, "memory"); \ - __cu_len_r; \ -}) - -#define __invoke_copy_to_user_eva_generic(to, from, n, func_ptr) \ -({ \ - register void *__cu_to_r __asm__("$4"); \ - register const void __user *__cu_from_r __asm__("$5"); \ - register long __cu_len_r __asm__("$6"); \ - \ - __cu_to_r = (to); \ - __cu_from_r = (from); \ - __cu_len_r = (n); \ - __asm__ __volatile__( \ - __MODULE_JAL(func_ptr) \ - : "+r" (__cu_to_r), "+r" (__cu_from_r), "+r" (__cu_len_r) \ - : \ - : "$8", "$9", "$10", "$11", "$12", "$14", "$15", "$24", "$31", \ - DADDI_SCRATCH, "memory"); \ - __cu_len_r; \ -}) - /* * Source or destination address is in userland. We need to go through * the TLB */ #define __invoke_copy_from_user(to, from, n) \ - __invoke_copy_from_user_eva_generic(to, from, n, __copy_from_user_eva) - -#define __invoke_copy_from_user_inatomic(to, from, n) \ - __invoke_copy_from_user_eva_generic(to, from, n, \ - __copy_user_inatomic_eva) + __invoke_copy_from(__copy_from_user_eva, to, from, n) #define __invoke_copy_to_user(to, from, n) \ - __invoke_copy_to_user_eva_generic(to, from, n, __copy_to_user_eva) + __invoke_copy_to(__copy_to_user_eva, to, from, n) #define ___invoke_copy_in_user(to, from, n) \ - __invoke_copy_from_user_eva_generic(to, from, n, __copy_in_user_eva) - -/* - * Source or destination address in the kernel. We are not going through - * the TLB - */ -#define __invoke_copy_from_kernel(to, from, n) \ - __invoke_copy_from_user_eva_generic(to, from, n, __copy_user) - -#define __invoke_copy_from_kernel_inatomic(to, from, n) \ - __invoke_copy_from_user_eva_generic(to, from, n, __copy_user_inatomic) - -#define __invoke_copy_to_kernel(to, from, n) \ - __invoke_copy_to_user_eva_generic(to, from, n, __copy_user) - -#define ___invoke_copy_in_kernel(to, from, n) \ - __invoke_copy_from_user_eva_generic(to, from, n, __copy_user) + __invoke_copy_from(__copy_in_user_eva, to, from, n) #endif /* CONFIG_EVA */ -/* - * __copy_from_user: - Copy a block of data from user space, with less checking. - * @to: Destination address, in kernel space. - * @from: Source address, in user space. - * @n: Number of bytes to copy. - * - * Context: User context only. This function may sleep if pagefaults are - * enabled. - * - * Copy data from user space to kernel space. Caller must check - * the specified block with access_ok() before calling this function. - * - * Returns number of bytes that could not be copied. - * On success, this will be zero. - * - * If some data could not be copied, this function will pad the copied - * data to the requested size using zero bytes. - */ -#define __copy_from_user(to, from, n) \ -({ \ - void *__cu_to; \ - const void __user *__cu_from; \ - long __cu_len; \ - \ - __cu_to = (to); \ - __cu_from = (from); \ - __cu_len = (n); \ - \ - check_object_size(__cu_to, __cu_len, false); \ - \ - if (eva_kernel_access()) { \ - __cu_len = __invoke_copy_from_kernel(__cu_to, \ - __cu_from, \ - __cu_len); \ - } else { \ - might_fault(); \ - __cu_len = __invoke_copy_from_user(__cu_to, __cu_from, \ - __cu_len); \ - } \ - __cu_len; \ -}) +static inline unsigned long +raw_copy_to_user(void __user *to, const void *from, unsigned long n) +{ + if (eva_kernel_access()) + return __invoke_copy_to_kernel(to, from, n); + else + return __invoke_copy_to_user(to, from, n); +} -/* - * copy_from_user: - Copy a block of data from user space. - * @to: Destination address, in kernel space. - * @from: Source address, in user space. - * @n: Number of bytes to copy. - * - * Context: User context only. This function may sleep if pagefaults are - * enabled. - * - * Copy data from user space to kernel space. - * - * Returns number of bytes that could not be copied. - * On success, this will be zero. - * - * If some data could not be copied, this function will pad the copied - * data to the requested size using zero bytes. - */ -#define copy_from_user(to, from, n) \ -({ \ - void *__cu_to; \ - const void __user *__cu_from; \ - long __cu_len; \ - \ - __cu_to = (to); \ - __cu_from = (from); \ - __cu_len = (n); \ - \ - check_object_size(__cu_to, __cu_len, false); \ - \ - if (eva_kernel_access()) { \ - __cu_len = __invoke_copy_from_kernel(__cu_to, \ - __cu_from, \ - __cu_len); \ - } else { \ - if (access_ok(VERIFY_READ, __cu_from, __cu_len)) { \ - might_fault(); \ - __cu_len = __invoke_copy_from_user(__cu_to, \ - __cu_from, \ - __cu_len); \ - } else { \ - memset(__cu_to, 0, __cu_len); \ - } \ - } \ - __cu_len; \ -}) +static inline unsigned long +raw_copy_from_user(void *to, const void __user *from, unsigned long n) +{ + if (eva_kernel_access()) + return __invoke_copy_from_kernel(to, from, n); + else + return __invoke_copy_from_user(to, from, n); +} -#define __copy_in_user(to, from, n) \ -({ \ - void __user *__cu_to; \ - const void __user *__cu_from; \ - long __cu_len; \ - \ - __cu_to = (to); \ - __cu_from = (from); \ - __cu_len = (n); \ - if (eva_kernel_access()) { \ - __cu_len = ___invoke_copy_in_kernel(__cu_to, __cu_from, \ - __cu_len); \ - } else { \ - might_fault(); \ - __cu_len = ___invoke_copy_in_user(__cu_to, __cu_from, \ - __cu_len); \ - } \ - __cu_len; \ -}) +#define INLINE_COPY_FROM_USER +#define INLINE_COPY_TO_USER -#define copy_in_user(to, from, n) \ -({ \ - void __user *__cu_to; \ - const void __user *__cu_from; \ - long __cu_len; \ - \ - __cu_to = (to); \ - __cu_from = (from); \ - __cu_len = (n); \ - if (eva_kernel_access()) { \ - __cu_len = ___invoke_copy_in_kernel(__cu_to,__cu_from, \ - __cu_len); \ - } else { \ - if (likely(access_ok(VERIFY_READ, __cu_from, __cu_len) &&\ - access_ok(VERIFY_WRITE, __cu_to, __cu_len))) {\ - might_fault(); \ - __cu_len = ___invoke_copy_in_user(__cu_to, \ - __cu_from, \ - __cu_len); \ - } \ - } \ - __cu_len; \ -}) +static inline unsigned long +raw_copy_in_user(void __user*to, const void __user *from, unsigned long n) +{ + if (eva_kernel_access()) + return ___invoke_copy_in_kernel(to, from, n); + else + return ___invoke_copy_in_user(to, from, n); +} extern __kernel_size_t __bzero_kernel(void __user *addr, __kernel_size_t size); extern __kernel_size_t __bzero(void __user *addr, __kernel_size_t size); diff --git a/arch/mips/jz4740/time.c b/arch/mips/jz4740/time.c index bcf8f8c62737..bb1ad5119da4 100644 --- a/arch/mips/jz4740/time.c +++ b/arch/mips/jz4740/time.c @@ -145,7 +145,9 @@ void __init plat_time_init(void) clockevent_set_clock(&jz4740_clockevent, clk_rate); jz4740_clockevent.min_delta_ns = clockevent_delta2ns(100, &jz4740_clockevent); + jz4740_clockevent.min_delta_ticks = 100; jz4740_clockevent.max_delta_ns = clockevent_delta2ns(0xffff, &jz4740_clockevent); + jz4740_clockevent.max_delta_ticks = 0xffff; jz4740_clockevent.cpumask = cpumask_of(0); clockevents_register_device(&jz4740_clockevent); diff --git a/arch/mips/kernel/cevt-bcm1480.c b/arch/mips/kernel/cevt-bcm1480.c index 940ac00e9129..8f9f2daf06a3 100644 --- a/arch/mips/kernel/cevt-bcm1480.c +++ b/arch/mips/kernel/cevt-bcm1480.c @@ -123,7 +123,9 @@ void sb1480_clockevent_init(void) CLOCK_EVT_FEAT_ONESHOT; clockevent_set_clock(cd, V_SCD_TIMER_FREQ); cd->max_delta_ns = clockevent_delta2ns(0x7fffff, cd); + cd->max_delta_ticks = 0x7fffff; cd->min_delta_ns = clockevent_delta2ns(2, cd); + cd->min_delta_ticks = 2; cd->rating = 200; cd->irq = irq; cd->cpumask = cpumask_of(cpu); diff --git a/arch/mips/kernel/cevt-ds1287.c b/arch/mips/kernel/cevt-ds1287.c index 77a5ddf53f57..61ad9079fa16 100644 --- a/arch/mips/kernel/cevt-ds1287.c +++ b/arch/mips/kernel/cevt-ds1287.c @@ -128,7 +128,9 @@ int __init ds1287_clockevent_init(int irq) cd->irq = irq; clockevent_set_clock(cd, 32768); cd->max_delta_ns = clockevent_delta2ns(0x7fffffff, cd); + cd->max_delta_ticks = 0x7fffffff; cd->min_delta_ns = clockevent_delta2ns(0x300, cd); + cd->min_delta_ticks = 0x300; cd->cpumask = cpumask_of(0); clockevents_register_device(&ds1287_clockevent); diff --git a/arch/mips/kernel/cevt-gt641xx.c b/arch/mips/kernel/cevt-gt641xx.c index 66040051151d..fd90c82dc17d 100644 --- a/arch/mips/kernel/cevt-gt641xx.c +++ b/arch/mips/kernel/cevt-gt641xx.c @@ -152,7 +152,9 @@ static int __init gt641xx_timer0_clockevent_init(void) cd->rating = 200 + gt641xx_base_clock / 10000000; clockevent_set_clock(cd, gt641xx_base_clock); cd->max_delta_ns = clockevent_delta2ns(0x7fffffff, cd); + cd->max_delta_ticks = 0x7fffffff; cd->min_delta_ns = clockevent_delta2ns(0x300, cd); + cd->min_delta_ticks = 0x300; cd->cpumask = cpumask_of(0); clockevents_register_device(>641xx_timer0_clockevent); diff --git a/arch/mips/kernel/cevt-sb1250.c b/arch/mips/kernel/cevt-sb1250.c index 3d860efd63b9..9d1edb5938b8 100644 --- a/arch/mips/kernel/cevt-sb1250.c +++ b/arch/mips/kernel/cevt-sb1250.c @@ -123,7 +123,9 @@ void sb1250_clockevent_init(void) CLOCK_EVT_FEAT_ONESHOT; clockevent_set_clock(cd, V_SCD_TIMER_FREQ); cd->max_delta_ns = clockevent_delta2ns(0x7fffff, cd); + cd->max_delta_ticks = 0x7fffff; cd->min_delta_ns = clockevent_delta2ns(2, cd); + cd->min_delta_ticks = 2; cd->rating = 200; cd->irq = irq; cd->cpumask = cpumask_of(cpu); diff --git a/arch/mips/kernel/cevt-txx9.c b/arch/mips/kernel/cevt-txx9.c index aaca60d6ffc3..7b17c8f5009d 100644 --- a/arch/mips/kernel/cevt-txx9.c +++ b/arch/mips/kernel/cevt-txx9.c @@ -196,7 +196,9 @@ void __init txx9_clockevent_init(unsigned long baseaddr, int irq, clockevent_set_clock(cd, TIMER_CLK(imbusclk)); cd->max_delta_ns = clockevent_delta2ns(0xffffffff >> (32 - TXX9_TIMER_BITS), cd); + cd->max_delta_ticks = 0xffffffff >> (32 - TXX9_TIMER_BITS); cd->min_delta_ns = clockevent_delta2ns(0xf, cd); + cd->min_delta_ticks = 0xf; cd->irq = irq; cd->cpumask = cpumask_of(0), clockevents_register_device(cd); diff --git a/arch/mips/kernel/mips-r2-to-r6-emul.c b/arch/mips/kernel/mips-r2-to-r6-emul.c index d8f1cf1ec370..550e7d03090a 100644 --- a/arch/mips/kernel/mips-r2-to-r6-emul.c +++ b/arch/mips/kernel/mips-r2-to-r6-emul.c @@ -1200,7 +1200,7 @@ fpu_emul: case lwl_op: rt = regs->regs[MIPSInst_RT(inst)]; vaddr = regs->regs[MIPSInst_RS(inst)] + MIPSInst_SIMM(inst); - if (!access_ok(VERIFY_READ, vaddr, 4)) { + if (!access_ok(VERIFY_READ, (void __user *)vaddr, 4)) { current->thread.cp0_baduaddr = vaddr; err = SIGSEGV; break; @@ -1273,7 +1273,7 @@ fpu_emul: case lwr_op: rt = regs->regs[MIPSInst_RT(inst)]; vaddr = regs->regs[MIPSInst_RS(inst)] + MIPSInst_SIMM(inst); - if (!access_ok(VERIFY_READ, vaddr, 4)) { + if (!access_ok(VERIFY_READ, (void __user *)vaddr, 4)) { current->thread.cp0_baduaddr = vaddr; err = SIGSEGV; break; @@ -1347,7 +1347,7 @@ fpu_emul: case swl_op: rt = regs->regs[MIPSInst_RT(inst)]; vaddr = regs->regs[MIPSInst_RS(inst)] + MIPSInst_SIMM(inst); - if (!access_ok(VERIFY_WRITE, vaddr, 4)) { + if (!access_ok(VERIFY_WRITE, (void __user *)vaddr, 4)) { current->thread.cp0_baduaddr = vaddr; err = SIGSEGV; break; @@ -1417,7 +1417,7 @@ fpu_emul: case swr_op: rt = regs->regs[MIPSInst_RT(inst)]; vaddr = regs->regs[MIPSInst_RS(inst)] + MIPSInst_SIMM(inst); - if (!access_ok(VERIFY_WRITE, vaddr, 4)) { + if (!access_ok(VERIFY_WRITE, (void __user *)vaddr, 4)) { current->thread.cp0_baduaddr = vaddr; err = SIGSEGV; break; @@ -1492,7 +1492,7 @@ fpu_emul: rt = regs->regs[MIPSInst_RT(inst)]; vaddr = regs->regs[MIPSInst_RS(inst)] + MIPSInst_SIMM(inst); - if (!access_ok(VERIFY_READ, vaddr, 8)) { + if (!access_ok(VERIFY_READ, (void __user *)vaddr, 8)) { current->thread.cp0_baduaddr = vaddr; err = SIGSEGV; break; @@ -1611,7 +1611,7 @@ fpu_emul: rt = regs->regs[MIPSInst_RT(inst)]; vaddr = regs->regs[MIPSInst_RS(inst)] + MIPSInst_SIMM(inst); - if (!access_ok(VERIFY_READ, vaddr, 8)) { + if (!access_ok(VERIFY_READ, (void __user *)vaddr, 8)) { current->thread.cp0_baduaddr = vaddr; err = SIGSEGV; break; @@ -1730,7 +1730,7 @@ fpu_emul: rt = regs->regs[MIPSInst_RT(inst)]; vaddr = regs->regs[MIPSInst_RS(inst)] + MIPSInst_SIMM(inst); - if (!access_ok(VERIFY_WRITE, vaddr, 8)) { + if (!access_ok(VERIFY_WRITE, (void __user *)vaddr, 8)) { current->thread.cp0_baduaddr = vaddr; err = SIGSEGV; break; @@ -1848,7 +1848,7 @@ fpu_emul: rt = regs->regs[MIPSInst_RT(inst)]; vaddr = regs->regs[MIPSInst_RS(inst)] + MIPSInst_SIMM(inst); - if (!access_ok(VERIFY_WRITE, vaddr, 8)) { + if (!access_ok(VERIFY_WRITE, (void __user *)vaddr, 8)) { current->thread.cp0_baduaddr = vaddr; err = SIGSEGV; break; @@ -1965,7 +1965,7 @@ fpu_emul: err = SIGBUS; break; } - if (!access_ok(VERIFY_READ, vaddr, 4)) { + if (!access_ok(VERIFY_READ, (void __user *)vaddr, 4)) { current->thread.cp0_baduaddr = vaddr; err = SIGBUS; break; @@ -2021,7 +2021,7 @@ fpu_emul: err = SIGBUS; break; } - if (!access_ok(VERIFY_WRITE, vaddr, 4)) { + if (!access_ok(VERIFY_WRITE, (void __user *)vaddr, 4)) { current->thread.cp0_baduaddr = vaddr; err = SIGBUS; break; @@ -2084,7 +2084,7 @@ fpu_emul: err = SIGBUS; break; } - if |