diff options
Diffstat (limited to 'arch/sh/mm')
| -rw-r--r-- | arch/sh/mm/Makefile | 2 | ||||
| -rw-r--r-- | arch/sh/mm/cache.c | 3 | ||||
| -rw-r--r-- | arch/sh/mm/pmb.c | 43 |
3 files changed, 18 insertions, 30 deletions
diff --git a/arch/sh/mm/Makefile b/arch/sh/mm/Makefile index 150aa32..2228c8c 100644 --- a/arch/sh/mm/Makefile +++ b/arch/sh/mm/Makefile @@ -42,6 +42,8 @@ obj-$(CONFIG_IOREMAP_FIXED) += ioremap_fixed.o obj-$(CONFIG_UNCACHED_MAPPING) += uncached.o obj-$(CONFIG_HAVE_SRAM_POOL) += sram.o +GCOV_PROFILE_pmb.o := n + # Special flags for fault_64.o. This puts restrictions on the number of # caller-save registers that the compiler can target when building this file. # This is required because the code is called from a context in entry.S where diff --git a/arch/sh/mm/cache.c b/arch/sh/mm/cache.c index 88d3dc3..5a580ea 100644 --- a/arch/sh/mm/cache.c +++ b/arch/sh/mm/cache.c @@ -108,7 +108,8 @@ void copy_user_highpage(struct page *to, struct page *from, kunmap_atomic(vfrom, KM_USER0); } - if (pages_do_alias((unsigned long)vto, vaddr & PAGE_MASK)) + if (pages_do_alias((unsigned long)vto, vaddr & PAGE_MASK) || + (vma->vm_flags & VM_EXEC)) __flush_purge_region(vto, PAGE_SIZE); kunmap_atomic(vto, KM_USER1); diff --git a/arch/sh/mm/pmb.c b/arch/sh/mm/pmb.c index b20b1b3..fad52f1 100644 --- a/arch/sh/mm/pmb.c +++ b/arch/sh/mm/pmb.c @@ -3,7 +3,7 @@ * * Privileged Space Mapping Buffer (PMB) Support. * - * Copyright (C) 2005 - 2010 Paul Mundt + * Copyright (C) 2005 - 2011 Paul Mundt * Copyright (C) 2010 Matt Fleming * * This file is subject to the terms and conditions of the GNU General Public @@ -12,7 +12,7 @@ */ #include <linux/init.h> #include <linux/kernel.h> -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/cpu.h> #include <linux/module.h> #include <linux/bitops.h> @@ -874,46 +874,31 @@ static int __init pmb_debugfs_init(void) subsys_initcall(pmb_debugfs_init); #ifdef CONFIG_PM -static int pmb_sysdev_suspend(struct sys_device *dev, pm_message_t state) +static void pmb_syscore_resume(void) { - static pm_message_t prev_state; + struct pmb_entry *pmbe; int i; - /* Restore the PMB after a resume from hibernation */ - if (state.event == PM_EVENT_ON && - prev_state.event == PM_EVENT_FREEZE) { - struct pmb_entry *pmbe; - - read_lock(&pmb_rwlock); + read_lock(&pmb_rwlock); - for (i = 0; i < ARRAY_SIZE(pmb_entry_list); i++) { - if (test_bit(i, pmb_map)) { - pmbe = &pmb_entry_list[i]; - set_pmb_entry(pmbe); - } + for (i = 0; i < ARRAY_SIZE(pmb_entry_list); i++) { + if (test_bit(i, pmb_map)) { + pmbe = &pmb_entry_list[i]; + set_pmb_entry(pmbe); } - - read_unlock(&pmb_rwlock); } - prev_state = state; - - return 0; -} - -static int pmb_sysdev_resume(struct sys_device *dev) -{ - return pmb_sysdev_suspend(dev, PMSG_ON); + read_unlock(&pmb_rwlock); } -static struct sysdev_driver pmb_sysdev_driver = { - .suspend = pmb_sysdev_suspend, - .resume = pmb_sysdev_resume, +static struct syscore_ops pmb_syscore_ops = { + .resume = pmb_syscore_resume, }; static int __init pmb_sysdev_init(void) { - return sysdev_driver_register(&cpu_sysdev_class, &pmb_sysdev_driver); + register_syscore_ops(&pmb_syscore_ops); + return 0; } subsys_initcall(pmb_sysdev_init); #endif |