diff options
Diffstat (limited to 'arch/hexagon/kernel')
| -rw-r--r-- | arch/hexagon/kernel/Makefile | 2 | ||||
| -rw-r--r-- | arch/hexagon/kernel/dma.c | 2 | ||||
| -rw-r--r-- | arch/hexagon/kernel/init_task.c | 54 | ||||
| -rw-r--r-- | arch/hexagon/kernel/process.c | 37 | ||||
| -rw-r--r-- | arch/hexagon/kernel/signal.c | 6 | ||||
| -rw-r--r-- | arch/hexagon/kernel/smp.c | 11 | ||||
| -rw-r--r-- | arch/hexagon/kernel/time.c | 6 |
7 files changed, 10 insertions, 108 deletions
diff --git a/arch/hexagon/kernel/Makefile b/arch/hexagon/kernel/Makefile index 3689f3754d0..536aec093e6 100644 --- a/arch/hexagon/kernel/Makefile +++ b/arch/hexagon/kernel/Makefile @@ -1,4 +1,4 @@ -extra-y := head.o vmlinux.lds init_task.o +extra-y := head.o vmlinux.lds obj-$(CONFIG_SMP) += smp.o topology.o diff --git a/arch/hexagon/kernel/dma.c b/arch/hexagon/kernel/dma.c index 0f2367cc549..2b48751aa5f 100644 --- a/arch/hexagon/kernel/dma.c +++ b/arch/hexagon/kernel/dma.c @@ -54,7 +54,7 @@ static struct gen_pool *coherent_pool; /* Allocates from a pool of uncached memory that was reserved at boot time */ -void *hexagon_dma_alloc_coherent(struct device *dev, size_t size, +static void *hexagon_dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_addr, gfp_t flag, struct dma_attrs *attrs) { diff --git a/arch/hexagon/kernel/init_task.c b/arch/hexagon/kernel/init_task.c deleted file mode 100644 index 73283d3edf0..00000000000 --- a/arch/hexagon/kernel/init_task.c +++ /dev/null @@ -1,54 +0,0 @@ -/* - * Init task definition - * - * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 and - * only version 2 as published by the Free Software Foundation. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - */ - -#include <linux/mm.h> -#include <linux/module.h> -#include <linux/sched.h> -#include <linux/init_task.h> -#include <linux/fs.h> -#include <linux/mqueue.h> -#include <asm/thread_info.h> -#include <asm/uaccess.h> -#include <asm/pgtable.h> - -static struct signal_struct init_signals = INIT_SIGNALS(init_signals); -static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand); - -/* - * Initial thread structure. - * - * We need to make sure that this is 8192-byte aligned due to the - * way process stacks are handled. This is done by making sure - * the linker maps this in the .text segment right after head.S, - * and making head.S ensure the proper alignment. - */ -union thread_union init_thread_union - __attribute__((__section__(".data.init_task"), - __aligned__(THREAD_SIZE))) = { - INIT_THREAD_INFO(init_task) - }; - -/* - * Initial task structure. - * - * All other task structs will be allocated on slabs in fork.c - */ -struct task_struct init_task = INIT_TASK(init_task); -EXPORT_SYMBOL(init_task); diff --git a/arch/hexagon/kernel/process.c b/arch/hexagon/kernel/process.c index ff02821bfb7..af51de63b83 100644 --- a/arch/hexagon/kernel/process.c +++ b/arch/hexagon/kernel/process.c @@ -234,43 +234,6 @@ unsigned long get_wchan(struct task_struct *p) } /* - * Borrowed from PowerPC -- basically allow smaller kernel stacks if we - * go crazy with the page sizes. - */ -#if THREAD_SHIFT < PAGE_SHIFT - -static struct kmem_cache *thread_info_cache; - -struct thread_info *alloc_thread_info_node(struct task_struct *tsk, int node) -{ - struct thread_info *ti; - - ti = kmem_cache_alloc_node(thread_info_cache, GFP_KERNEL, node); - if (unlikely(ti == NULL)) - return NULL; -#ifdef CONFIG_DEBUG_STACK_USAGE - memset(ti, 0, THREAD_SIZE); -#endif - return ti; -} - -void free_thread_info(struct thread_info *ti) -{ - kmem_cache_free(thread_info_cache, ti); -} - -/* Weak symbol; called by init/main.c */ - -void thread_info_cache_init(void) -{ - thread_info_cache = kmem_cache_create("thread_info", THREAD_SIZE, - THREAD_SIZE, 0, NULL); - BUG_ON(thread_info_cache == NULL); -} - -#endif /* THREAD_SHIFT < PAGE_SHIFT */ - -/* * Required placeholder. */ int dump_fpu(struct pt_regs *regs, elf_fpregset_t *fpu) diff --git a/arch/hexagon/kernel/signal.c b/arch/hexagon/kernel/signal.c index ecbab345760..21a3018cb9b 100644 --- a/arch/hexagon/kernel/signal.c +++ b/arch/hexagon/kernel/signal.c @@ -272,8 +272,7 @@ void do_notify_resume(struct pt_regs *regs, unsigned long thread_info_flags) if (thread_info_flags & _TIF_NOTIFY_RESUME) { clear_thread_flag(TIF_NOTIFY_RESUME); - if (current->replacement_session_keyring) - key_replace_session_keyring(); + tracehook_notify_resume(regs); } } @@ -293,6 +292,9 @@ asmlinkage int sys_rt_sigreturn(void) struct rt_sigframe __user *frame; sigset_t blocked; + /* Always make any pending restarted system calls return -EINTR */ + current_thread_info()->restart_block.fn = do_no_restart_syscall; + frame = (struct rt_sigframe __user *)pt_psp(regs); if (!access_ok(VERIFY_READ, frame, sizeof(*frame))) goto badframe; diff --git a/arch/hexagon/kernel/smp.c b/arch/hexagon/kernel/smp.c index 1298141874a..f7264621e58 100644 --- a/arch/hexagon/kernel/smp.c +++ b/arch/hexagon/kernel/smp.c @@ -196,18 +196,11 @@ void __cpuinit start_secondary(void) * maintains control until "cpu_online(cpu)" is set. */ -int __cpuinit __cpu_up(unsigned int cpu) +int __cpuinit __cpu_up(unsigned int cpu, struct task_struct *idle) { - struct task_struct *idle; - struct thread_info *thread; + struct thread_info *thread = (struct thread_info *)idle->stack; void *stack_start; - /* Create new init task for the CPU */ - idle = fork_idle(cpu); - if (IS_ERR(idle)) - panic(KERN_ERR "fork_idle failed\n"); - - thread = (struct thread_info *)idle->stack; thread->cpu = cpu; /* Boot to the head. */ diff --git a/arch/hexagon/kernel/time.c b/arch/hexagon/kernel/time.c index 5d9b33b6793..36ba6418571 100644 --- a/arch/hexagon/kernel/time.c +++ b/arch/hexagon/kernel/time.c @@ -201,12 +201,10 @@ void __init time_init_deferred(void) resource = rtos_timer_device.resource; /* ioremap here means this has to run later, after paging init */ - rtos_timer = ioremap(resource->start, resource->end - - resource->start + 1); + rtos_timer = ioremap(resource->start, resource_size(resource)); if (!rtos_timer) { - release_mem_region(resource->start, resource->end - - resource->start + 1); + release_mem_region(resource->start, resource_size(resource)); } clocksource_register_khz(&hexagon_clocksource, pcycle_freq_mhz * 1000); |