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-rw-r--r--arch/parisc/kernel/cache.c135
-rw-r--r--arch/parisc/kernel/inventory.c1
-rw-r--r--arch/parisc/kernel/signal.c7
-rw-r--r--arch/parisc/kernel/signal32.c1
-rw-r--r--arch/parisc/kernel/sys32.h36
-rw-r--r--arch/parisc/kernel/sys_parisc32.c2
6 files changed, 72 insertions, 110 deletions
diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c
index 2e65aa5..c035673 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/inventory.c b/arch/parisc/kernel/inventory.c
index 3295ef4..f0b6722 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/signal.c b/arch/parisc/kernel/signal.c
index 940188d..07349b0 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 33eca1b..6c6a271 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/sys32.h b/arch/parisc/kernel/sys32.h
deleted file mode 100644
index 60dd470..0000000
--- 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 a134ff4..bb9f3b6 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