diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/nios2/include/asm/thread_info.h | 4 | ||||
| -rw-r--r-- | arch/nios2/include/uapi/asm/ptrace.h | 9 | ||||
| -rw-r--r-- | arch/nios2/kernel/entry.S | 2 | ||||
| -rw-r--r-- | arch/nios2/kernel/signal.c | 2 | ||||
| -rw-r--r-- | arch/nios2/mm/cacheflush.c | 3 | ||||
| -rw-r--r-- | arch/sparc/kernel/pci.c | 5 | ||||
| -rw-r--r-- | arch/x86/include/asm/uaccess_64.h | 2 | ||||
| -rw-r--r-- | arch/x86/lib/usercopy_64.c | 15 |
8 files changed, 18 insertions, 24 deletions
diff --git a/arch/nios2/include/asm/thread_info.h b/arch/nios2/include/asm/thread_info.h index 1f266575beb5..a16e55cbd8ad 100644 --- a/arch/nios2/include/asm/thread_info.h +++ b/arch/nios2/include/asm/thread_info.h @@ -47,7 +47,6 @@ struct thread_info { 0-0x7FFFFFFF for user-thead 0-0xFFFFFFFF for kernel-thread */ - struct restart_block restart_block; struct pt_regs *regs; }; @@ -64,9 +63,6 @@ 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/nios2/include/uapi/asm/ptrace.h b/arch/nios2/include/uapi/asm/ptrace.h index 71a330597adf..eff00e67c0a2 100644 --- a/arch/nios2/include/uapi/asm/ptrace.h +++ b/arch/nios2/include/uapi/asm/ptrace.h @@ -60,12 +60,17 @@ #define PTR_IPENDING 37 #define PTR_CPUID 38 #define PTR_CTL6 39 -#define PTR_CTL7 40 +#define PTR_EXCEPTION 40 #define PTR_PTEADDR 41 #define PTR_TLBACC 42 #define PTR_TLBMISC 43 +#define PTR_ECCINJ 44 +#define PTR_BADADDR 45 +#define PTR_CONFIG 46 +#define PTR_MPUBASE 47 +#define PTR_MPUACC 48 -#define NUM_PTRACE_REG (PTR_TLBMISC + 1) +#define NUM_PTRACE_REG (PTR_MPUACC + 1) /* User structures for general purpose registers. */ struct user_pt_regs { diff --git a/arch/nios2/kernel/entry.S b/arch/nios2/kernel/entry.S index 7729bd3f2e79..27b006c52e12 100644 --- a/arch/nios2/kernel/entry.S +++ b/arch/nios2/kernel/entry.S @@ -161,7 +161,7 @@ ENTRY(inthandler) *********************************************************************** */ ENTRY(handle_trap) - ldw r24, -4(ea) /* instruction that caused the exception */ + ldwio r24, -4(ea) /* instruction that caused the exception */ srli r24, r24, 4 andi r24, r24, 0x7c movia r9,trap_table diff --git a/arch/nios2/kernel/signal.c b/arch/nios2/kernel/signal.c index dda41e4fe707..20662b0f6c9e 100644 --- a/arch/nios2/kernel/signal.c +++ b/arch/nios2/kernel/signal.c @@ -43,7 +43,7 @@ static inline int rt_restore_ucontext(struct pt_regs *regs, int err; /* 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; err = __get_user(temp, &uc->uc_mcontext.version); if (temp != MCONTEXT_VERSION) diff --git a/arch/nios2/mm/cacheflush.c b/arch/nios2/mm/cacheflush.c index 2ae482b42669..796642932e2e 100644 --- a/arch/nios2/mm/cacheflush.c +++ b/arch/nios2/mm/cacheflush.c @@ -23,9 +23,6 @@ static void __flush_dcache(unsigned long start, unsigned long end) end += (cpuinfo.dcache_line_size - 1); end &= ~(cpuinfo.dcache_line_size - 1); - if (end > start + cpuinfo.dcache_size) - end = start + cpuinfo.dcache_size; - for (addr = start; addr < end; addr += cpuinfo.dcache_line_size) { __asm__ __volatile__ (" flushda 0(%0)\n" : /* Outputs */ diff --git a/arch/sparc/kernel/pci.c b/arch/sparc/kernel/pci.c index 9ce5afe167ff..b36365f49478 100644 --- a/arch/sparc/kernel/pci.c +++ b/arch/sparc/kernel/pci.c @@ -639,10 +639,7 @@ static void pci_claim_bus_resources(struct pci_bus *bus) (unsigned long long)r->end, (unsigned int)r->flags); - if (pci_claim_resource(dev, i) == 0) - continue; - - pci_claim_bridge_resource(dev, i); + pci_claim_resource(dev, i); } } diff --git a/arch/x86/include/asm/uaccess_64.h b/arch/x86/include/asm/uaccess_64.h index 12a26b979bf1..f2f9b39b274a 100644 --- a/arch/x86/include/asm/uaccess_64.h +++ b/arch/x86/include/asm/uaccess_64.h @@ -231,6 +231,6 @@ __copy_from_user_inatomic_nocache(void *dst, const void __user *src, } unsigned long -copy_user_handle_tail(char *to, char *from, unsigned len, unsigned zerorest); +copy_user_handle_tail(char *to, char *from, unsigned len); #endif /* _ASM_X86_UACCESS_64_H */ diff --git a/arch/x86/lib/usercopy_64.c b/arch/x86/lib/usercopy_64.c index c905e89e19fe..1f33b3d1fd68 100644 --- a/arch/x86/lib/usercopy_64.c +++ b/arch/x86/lib/usercopy_64.c @@ -69,21 +69,20 @@ EXPORT_SYMBOL(copy_in_user); * it is not necessary to optimize tail handling. */ __visible unsigned long -copy_user_handle_tail(char *to, char *from, unsigned len, unsigned zerorest) +copy_user_handle_tail(char *to, char *from, unsigned len) { - char c; - unsigned zero_len; - for (; len; --len, to++) { + char c; + if (__get_user_nocheck(c, from++, sizeof(char))) break; if (__put_user_nocheck(c, to, sizeof(char))) break; } - - for (c = 0, zero_len = len; zerorest && zero_len; --zero_len) - if (__put_user_nocheck(c, to++, sizeof(char))) - break; clac(); + + /* If the destination is a kernel buffer, we always clear the end */ + if ((unsigned long)to >= TASK_SIZE_MAX) + memset(to, 0, len); return len; } |
