diff options
Diffstat (limited to 'arch/nios2')
| -rw-r--r-- | arch/nios2/Kconfig | 1 | ||||
| -rw-r--r-- | arch/nios2/configs/10m50_defconfig | 1 | ||||
| -rw-r--r-- | arch/nios2/configs/3c120_defconfig | 1 | ||||
| -rw-r--r-- | arch/nios2/kernel/cpuinfo.c | 2 | ||||
| -rw-r--r-- | arch/nios2/kernel/setup.c | 6 | ||||
| -rw-r--r-- | arch/nios2/mm/fault.c | 17 |
6 files changed, 7 insertions, 21 deletions
diff --git a/arch/nios2/Kconfig b/arch/nios2/Kconfig index e5936417d3cd..d54464021a61 100644 --- a/arch/nios2/Kconfig +++ b/arch/nios2/Kconfig @@ -16,6 +16,7 @@ config NIOS2 select HAVE_ARCH_TRACEHOOK select HAVE_ARCH_KGDB select IRQ_DOMAIN + select LOCK_MM_AND_FIND_VMA select MODULES_USE_ELF_RELA select OF select OF_EARLY_FLATTREE diff --git a/arch/nios2/configs/10m50_defconfig b/arch/nios2/configs/10m50_defconfig index 91c3fce4dc7f..63151ebf1470 100644 --- a/arch/nios2/configs/10m50_defconfig +++ b/arch/nios2/configs/10m50_defconfig @@ -10,7 +10,6 @@ CONFIG_LOG_BUF_SHIFT=14 # CONFIG_SHMEM is not set # CONFIG_AIO is not set CONFIG_EMBEDDED=y -CONFIG_SLAB=y CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y CONFIG_NIOS2_MEM_BASE=0x8000000 diff --git a/arch/nios2/configs/3c120_defconfig b/arch/nios2/configs/3c120_defconfig index c42ad7e162a3..0daf3038d7aa 100644 --- a/arch/nios2/configs/3c120_defconfig +++ b/arch/nios2/configs/3c120_defconfig @@ -10,7 +10,6 @@ CONFIG_LOG_BUF_SHIFT=14 # CONFIG_SHMEM is not set # CONFIG_AIO is not set CONFIG_EMBEDDED=y -CONFIG_SLAB=y CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y CONFIG_NIOS2_MEM_BASE=0x10000000 diff --git a/arch/nios2/kernel/cpuinfo.c b/arch/nios2/kernel/cpuinfo.c index 203870c4b86d..338849c430a5 100644 --- a/arch/nios2/kernel/cpuinfo.c +++ b/arch/nios2/kernel/cpuinfo.c @@ -47,7 +47,7 @@ void __init setup_cpuinfo(void) str = of_get_property(cpu, "altr,implementation", &len); if (str) - strlcpy(cpuinfo.cpu_impl, str, sizeof(cpuinfo.cpu_impl)); + strscpy(cpuinfo.cpu_impl, str, sizeof(cpuinfo.cpu_impl)); else strcpy(cpuinfo.cpu_impl, "<unknown>"); diff --git a/arch/nios2/kernel/setup.c b/arch/nios2/kernel/setup.c index 40bc8fb75e0b..8582ed965844 100644 --- a/arch/nios2/kernel/setup.c +++ b/arch/nios2/kernel/setup.c @@ -121,7 +121,7 @@ asmlinkage void __init nios2_boot_init(unsigned r4, unsigned r5, unsigned r6, dtb_passed = r6; if (r7) - strlcpy(cmdline_passed, (char *)r7, COMMAND_LINE_SIZE); + strscpy(cmdline_passed, (char *)r7, COMMAND_LINE_SIZE); } #endif @@ -129,10 +129,10 @@ asmlinkage void __init nios2_boot_init(unsigned r4, unsigned r5, unsigned r6, #ifndef CONFIG_CMDLINE_FORCE if (cmdline_passed[0]) - strlcpy(boot_command_line, cmdline_passed, COMMAND_LINE_SIZE); + strscpy(boot_command_line, cmdline_passed, COMMAND_LINE_SIZE); #ifdef CONFIG_NIOS2_CMDLINE_IGNORE_DTB else - strlcpy(boot_command_line, CONFIG_CMDLINE, COMMAND_LINE_SIZE); + strscpy(boot_command_line, CONFIG_CMDLINE, COMMAND_LINE_SIZE); #endif #endif diff --git a/arch/nios2/mm/fault.c b/arch/nios2/mm/fault.c index ca64eccea551..e3fa9c15181d 100644 --- a/arch/nios2/mm/fault.c +++ b/arch/nios2/mm/fault.c @@ -86,27 +86,14 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long cause, perf_sw_event(PERF_COUNT_SW_PAGE_FAULTS, 1, regs, address); - if (!mmap_read_trylock(mm)) { - if (!user_mode(regs) && !search_exception_tables(regs->ea)) - goto bad_area_nosemaphore; retry: - mmap_read_lock(mm); - } - - vma = find_vma(mm, address); + vma = lock_mm_and_find_vma(mm, address, regs); if (!vma) - goto bad_area; - if (vma->vm_start <= address) - goto good_area; - if (!(vma->vm_flags & VM_GROWSDOWN)) - goto bad_area; - if (expand_stack(vma, address)) - goto bad_area; + goto bad_area_nosemaphore; /* * Ok, we have a good vm_area for this memory access, so * we can handle it.. */ -good_area: code = SEGV_ACCERR; switch (cause) { |