diff options
Diffstat (limited to 'arch/parisc/kernel')
| -rw-r--r-- | arch/parisc/kernel/cache.c | 135 | ||||
| -rw-r--r-- | arch/parisc/kernel/firmware.c | 14 | ||||
| -rw-r--r-- | arch/parisc/kernel/hardware.c | 2 | ||||
| -rw-r--r-- | arch/parisc/kernel/inventory.c | 1 | ||||
| -rw-r--r-- | arch/parisc/kernel/processor.c | 6 | ||||
| -rw-r--r-- | arch/parisc/kernel/signal.c | 7 | ||||
| -rw-r--r-- | arch/parisc/kernel/signal32.c | 1 | ||||
| -rw-r--r-- | arch/parisc/kernel/smp.c | 8 | ||||
| -rw-r--r-- | arch/parisc/kernel/sys32.h | 36 | ||||
| -rw-r--r-- | arch/parisc/kernel/sys_parisc32.c | 2 |
10 files changed, 88 insertions, 124 deletions
diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c index 2e65aa54bd10..c035673209f7 100644 --- a/arch/parisc/kernel/cache.c +++ b/arch/parisc/kernel/cache.c @@ -71,18 +71,27 @@ flush_cache_all_local(void) } EXPORT_SYMBOL(flush_cache_all_local); +/* Virtual address of pfn. */ +#define pfn_va(pfn) __va(PFN_PHYS(pfn)) + void update_mmu_cache(struct vm_area_struct *vma, unsigned long address, pte_t *ptep) { - struct page *page = pte_page(*ptep); + unsigned long pfn = pte_pfn(*ptep); + struct page *page; - if (pfn_valid(page_to_pfn(page)) && page_mapping(page) && - test_bit(PG_dcache_dirty, &page->flags)) { + /* We don't have pte special. As a result, we can be called with + an invalid pfn and we don't need to flush the kernel dcache page. + This occurs with FireGL card in C8000. */ + if (!pfn_valid(pfn)) + return; - flush_kernel_dcache_page(page); + page = pfn_to_page(pfn); + if (page_mapping(page) && test_bit(PG_dcache_dirty, &page->flags)) { + flush_kernel_dcache_page_addr(pfn_va(pfn)); clear_bit(PG_dcache_dirty, &page->flags); } else if (parisc_requires_coherency()) - flush_kernel_dcache_page(page); + flush_kernel_dcache_page_addr(pfn_va(pfn)); } void @@ -495,44 +504,42 @@ static inline pte_t *get_ptep(pgd_t *pgd, unsigned long addr) void flush_cache_mm(struct mm_struct *mm) { + struct vm_area_struct *vma; + pgd_t *pgd; + /* Flushing the whole cache on each cpu takes forever on rp3440, etc. So, avoid it if the mm isn't too big. */ - if (mm_total_size(mm) < parisc_cache_flush_threshold) { - struct vm_area_struct *vma; - - if (mm->context == mfsp(3)) { - for (vma = mm->mmap; vma; vma = vma->vm_next) { - flush_user_dcache_range_asm(vma->vm_start, - vma->vm_end); - if (vma->vm_flags & VM_EXEC) - flush_user_icache_range_asm( - vma->vm_start, vma->vm_end); - } - } else { - pgd_t *pgd = mm->pgd; - - for (vma = mm->mmap; vma; vma = vma->vm_next) { - unsigned long addr; - - for (addr = vma->vm_start; addr < vma->vm_end; - addr += PAGE_SIZE) { - pte_t *ptep = get_ptep(pgd, addr); - if (ptep != NULL) { - pte_t pte = *ptep; - __flush_cache_page(vma, addr, - page_to_phys(pte_page(pte))); - } - } - } + if (mm_total_size(mm) >= parisc_cache_flush_threshold) { + flush_cache_all(); + return; + } + + if (mm->context == mfsp(3)) { + for (vma = mm->mmap; vma; vma = vma->vm_next) { + flush_user_dcache_range_asm(vma->vm_start, vma->vm_end); + if ((vma->vm_flags & VM_EXEC) == 0) + continue; + flush_user_icache_range_asm(vma->vm_start, vma->vm_end); } return; } -#ifdef CONFIG_SMP - flush_cache_all(); -#else - flush_cache_all_local(); -#endif + pgd = mm->pgd; + for (vma = mm->mmap; vma; vma = vma->vm_next) { + unsigned long addr; + + for (addr = vma->vm_start; addr < vma->vm_end; + addr += PAGE_SIZE) { + unsigned long pfn; + pte_t *ptep = get_ptep(pgd, addr); + if (!ptep) + continue; + pfn = pte_pfn(*ptep); + if (!pfn_valid(pfn)) + continue; + __flush_cache_page(vma, addr, PFN_PHYS(pfn)); + } + } } void @@ -556,33 +563,32 @@ flush_user_icache_range(unsigned long start, unsigned long end) void flush_cache_range(struct vm_area_struct *vma, unsigned long start, unsigned long end) { + unsigned long addr; + pgd_t *pgd; + BUG_ON(!vma->vm_mm->context); - if ((end - start) < parisc_cache_flush_threshold) { - if (vma->vm_mm->context == mfsp(3)) { - flush_user_dcache_range_asm(start, end); - if (vma->vm_flags & VM_EXEC) - flush_user_icache_range_asm(start, end); - } else { - unsigned long addr; - pgd_t *pgd = vma->vm_mm->pgd; - - for (addr = start & PAGE_MASK; addr < end; - addr += PAGE_SIZE) { - pte_t *ptep = get_ptep(pgd, addr); - if (ptep != NULL) { - pte_t pte = *ptep; - flush_cache_page(vma, - addr, pte_pfn(pte)); - } - } - } - } else { -#ifdef CONFIG_SMP + if ((end - start) >= parisc_cache_flush_threshold) { flush_cache_all(); -#else - flush_cache_all_local(); -#endif + return; + } + + if (vma->vm_mm->context == mfsp(3)) { + flush_user_dcache_range_asm(start, end); + if (vma->vm_flags & VM_EXEC) + flush_user_icache_range_asm(start, end); + return; + } + + pgd = vma->vm_mm->pgd; + for (addr = start & PAGE_MASK; addr < end; addr += PAGE_SIZE) { + unsigned long pfn; + pte_t *ptep = get_ptep(pgd, addr); + if (!ptep) + continue; + pfn = pte_pfn(*ptep); + if (pfn_valid(pfn)) + __flush_cache_page(vma, addr, PFN_PHYS(pfn)); } } @@ -591,9 +597,10 @@ flush_cache_page(struct vm_area_struct *vma, unsigned long vmaddr, unsigned long { BUG_ON(!vma->vm_mm->context); - flush_tlb_page(vma, vmaddr); - __flush_cache_page(vma, vmaddr, page_to_phys(pfn_to_page(pfn))); - + if (pfn_valid(pfn)) { + flush_tlb_page(vma, vmaddr); + __flush_cache_page(vma, vmaddr, PFN_PHYS(pfn)); + } } #ifdef CONFIG_PARISC_TMPALIAS diff --git a/arch/parisc/kernel/firmware.c b/arch/parisc/kernel/firmware.c index f65fa480c905..22395901d47b 100644 --- a/arch/parisc/kernel/firmware.c +++ b/arch/parisc/kernel/firmware.c @@ -150,7 +150,7 @@ static void convert_to_wide(unsigned long *addr) } #ifdef CONFIG_64BIT -void __cpuinit set_firmware_width_unlocked(void) +void set_firmware_width_unlocked(void) { int ret; @@ -167,7 +167,7 @@ void __cpuinit set_firmware_width_unlocked(void) * This function must be called before any pdc_* function that uses the * convert_to_wide function. */ -void __cpuinit set_firmware_width(void) +void set_firmware_width(void) { unsigned long flags; spin_lock_irqsave(&pdc_lock, flags); @@ -175,11 +175,13 @@ void __cpuinit set_firmware_width(void) spin_unlock_irqrestore(&pdc_lock, flags); } #else -void __cpuinit set_firmware_width_unlocked(void) { +void set_firmware_width_unlocked(void) +{ return; } -void __cpuinit set_firmware_width(void) { +void set_firmware_width(void) +{ return; } #endif /*CONFIG_64BIT*/ @@ -301,7 +303,7 @@ int pdc_chassis_warn(unsigned long *warn) return retval; } -int __cpuinit pdc_coproc_cfg_unlocked(struct pdc_coproc_cfg *pdc_coproc_info) +int pdc_coproc_cfg_unlocked(struct pdc_coproc_cfg *pdc_coproc_info) { int ret; @@ -322,7 +324,7 @@ int __cpuinit pdc_coproc_cfg_unlocked(struct pdc_coproc_cfg *pdc_coproc_info) * This PDC call returns the presence and status of all the coprocessors * attached to the processor. */ -int __cpuinit pdc_coproc_cfg(struct pdc_coproc_cfg *pdc_coproc_info) +int pdc_coproc_cfg(struct pdc_coproc_cfg *pdc_coproc_info) { int ret; unsigned long flags; diff --git a/arch/parisc/kernel/hardware.c b/arch/parisc/kernel/hardware.c index 872275659d98..06cb3992907e 100644 --- a/arch/parisc/kernel/hardware.c +++ b/arch/parisc/kernel/hardware.c @@ -1367,7 +1367,7 @@ const char *parisc_hardware_description(struct parisc_device_id *id) /* Interpret hversion (ret[0]) from PDC_MODEL(4)/PDC_MODEL_INFO(0) */ -enum cpu_type __cpuinit +enum cpu_type parisc_get_cpu_type(unsigned long hversion) { struct hp_cpu_type_mask *ptr; diff --git a/arch/parisc/kernel/inventory.c b/arch/parisc/kernel/inventory.c index 3295ef4a185d..f0b6722fc706 100644 --- a/arch/parisc/kernel/inventory.c +++ b/arch/parisc/kernel/inventory.c @@ -211,6 +211,7 @@ pat_query_module(ulong pcell_loc, ulong mod_index) /* REVISIT: who is the consumer of this? not sure yet... */ dev->mod_info = pa_pdc_cell->mod_info; /* pass to PAT_GET_ENTITY() */ dev->pmod_loc = pa_pdc_cell->mod_location; + dev->mod0 = pa_pdc_cell->mod[0]; register_parisc_device(dev); /* advertise device */ diff --git a/arch/parisc/kernel/processor.c b/arch/parisc/kernel/processor.c index 8a96c8ab9fe6..b68d977ce30f 100644 --- a/arch/parisc/kernel/processor.c +++ b/arch/parisc/kernel/processor.c @@ -73,7 +73,7 @@ extern int update_cr16_clocksource(void); /* from time.c */ * * FIXME: doesn't do much yet... */ -static void __cpuinit +static void init_percpu_prof(unsigned long cpunum) { struct cpuinfo_parisc *p; @@ -92,7 +92,7 @@ init_percpu_prof(unsigned long cpunum) * (return 1). If so, initialize the chip and tell other partners in crime * they have work to do. */ -static int __cpuinit processor_probe(struct parisc_device *dev) +static int processor_probe(struct parisc_device *dev) { unsigned long txn_addr; unsigned long cpuid; @@ -299,7 +299,7 @@ void __init collect_boot_cpu_data(void) * * o Enable CPU profiling hooks. */ -int __cpuinit init_per_cpu(int cpunum) +int init_per_cpu(int cpunum) { int ret; struct pdc_coproc_cfg coproc_cfg; diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c index 940188d1942c..07349b002687 100644 --- a/arch/parisc/kernel/signal.c +++ b/arch/parisc/kernel/signal.c @@ -56,13 +56,6 @@ #define A(__x) ((unsigned long)(__x)) /* - * Atomically swap in the new signal mask, and wait for a signal. - */ -#ifdef CONFIG_64BIT -#include "sys32.h" -#endif - -/* * Do a signal return - restore sigcontext. */ diff --git a/arch/parisc/kernel/signal32.c b/arch/parisc/kernel/signal32.c index 33eca1b04926..6c6a271a6140 100644 --- a/arch/parisc/kernel/signal32.c +++ b/arch/parisc/kernel/signal32.c @@ -34,7 +34,6 @@ #include <asm/uaccess.h> #include "signal32.h" -#include "sys32.h" #define DEBUG_COMPAT_SIG 0 #define DEBUG_COMPAT_SIG_LEVEL 2 diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c index e3614fb343e5..8a252f2d6c08 100644 --- a/arch/parisc/kernel/smp.c +++ b/arch/parisc/kernel/smp.c @@ -62,9 +62,9 @@ static int smp_debug_lvl = 0; volatile struct task_struct *smp_init_current_idle_task; /* track which CPU is booting */ -static volatile int cpu_now_booting __cpuinitdata; +static volatile int cpu_now_booting; -static int parisc_max_cpus __cpuinitdata = 1; +static int parisc_max_cpus = 1; static DEFINE_PER_CPU(spinlock_t, ipi_lock); @@ -328,7 +328,7 @@ void __init smp_callin(void) /* * Bring one cpu online. */ -int __cpuinit smp_boot_one_cpu(int cpuid, struct task_struct *idle) +int smp_boot_one_cpu(int cpuid, struct task_struct *idle) { const struct cpuinfo_parisc *p = &per_cpu(cpu_data, cpuid); long timeout; @@ -424,7 +424,7 @@ void smp_cpus_done(unsigned int cpu_max) } -int __cpuinit __cpu_up(unsigned int cpu, struct task_struct *tidle) +int __cpu_up(unsigned int cpu, struct task_struct *tidle) { if (cpu != 0 && cpu < parisc_max_cpus) smp_boot_one_cpu(cpu, tidle); diff --git a/arch/parisc/kernel/sys32.h b/arch/parisc/kernel/sys32.h deleted file mode 100644 index 60dd470f39f8..000000000000 --- a/arch/parisc/kernel/sys32.h +++ /dev/null @@ -1,36 +0,0 @@ -/* - * Copyright (C) 2002 Richard Hirst <rhirst at parisc-linux.org> - * Copyright (C) 2003 James Bottomley <jejb at parisc-linux.org> - * Copyright (C) 2003 Randolph Chung <tausq with parisc-linux.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ -#ifndef _PARISC64_KERNEL_SYS32_H -#define _PARISC64_KERNEL_SYS32_H - -#include <linux/compat.h> - -/* Call a kernel syscall which will use kernel space instead of user - * space for its copy_to/from_user. - */ -#define KERNEL_SYSCALL(ret, syscall, args...) \ -{ \ - mm_segment_t old_fs = get_fs(); \ - set_fs(KERNEL_DS); \ - ret = syscall(args); \ - set_fs (old_fs); \ -} - -#endif diff --git a/arch/parisc/kernel/sys_parisc32.c b/arch/parisc/kernel/sys_parisc32.c index a134ff4da12e..bb9f3b64de55 100644 --- a/arch/parisc/kernel/sys_parisc32.c +++ b/arch/parisc/kernel/sys_parisc32.c @@ -42,8 +42,6 @@ #include <asm/uaccess.h> #include <asm/mmu_context.h> -#include "sys32.h" - #undef DEBUG #ifdef DEBUG |