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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-15 10:01:15 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-15 10:01:15 -0800
commitf99c6bb6e2e9c35bd3dc0b1d0faa28bd6970930d (patch)
tree338721c5084d536208a944567c2dface6a38a994 /arch/sh/mm/tlb-sh3.c
parente0a04cffa4e97e1e53625e40e70895c882e8972f (diff)
parent9c57548f17806ffd8e4dc4f7973ce78bbfbc2079 (diff)
Merge master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6
* master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh-2.6: (35 commits) sh: rts7751r2d board updates. sh: Kill off dead bigsur and ec3104 boards. sh: Fixup r7780rp pata_platform for devres conversion. sh: Revert TLB miss fast-path changes that broke PTEA parts. sh: Compile fix for heartbeat consolidation. sh: heartbeat consolidation for banked LEDs. sh: define dma noncoherent API functions. sh: Missing flush_dcache_all() proto in cacheflush.h. sh: Kill dead/unused ISA code from __ioremap(). sh: Add cpu-features header to asm/Kbuild. sh: Move __KERNEL__ up in asm/page.h. sh: Fix syscall numbering breakage. sh: dcache write-back for R7780RP PIO. sh: Switch to local TLB flush variants in additional callsites. sh: Local TLB flushing variants for SMP prep. sh: Fixup cpu_data references for the non-boot CPUs. sh: Use a per-cpu ASID cache. sh: add SH_CLK_MD Kconfig default. sh: Fixup SHMIN INTC register definitions. sh: SH-DMAC compile fixes ...
Diffstat (limited to 'arch/sh/mm/tlb-sh3.c')
-rw-r--r--arch/sh/mm/tlb-sh3.c67
1 files changed, 3 insertions, 64 deletions
diff --git a/arch/sh/mm/tlb-sh3.c b/arch/sh/mm/tlb-sh3.c
index 46b09e26e08..e5e76eb7ee0 100644
--- a/arch/sh/mm/tlb-sh3.c
+++ b/arch/sh/mm/tlb-sh3.c
@@ -8,71 +8,11 @@
*
* Released under the terms of the GNU GPL v2.0.
*/
-#include <linux/signal.h>
-#include <linux/sched.h>
-#include <linux/kernel.h>
-#include <linux/errno.h>
-#include <linux/string.h>
-#include <linux/types.h>
-#include <linux/ptrace.h>
-#include <linux/mman.h>
-#include <linux/mm.h>
-#include <linux/smp.h>
-#include <linux/smp_lock.h>
-#include <linux/interrupt.h>
-
+#include <linux/io.h>
#include <asm/system.h>
-#include <asm/io.h>
-#include <asm/uaccess.h>
-#include <asm/pgalloc.h>
#include <asm/mmu_context.h>
-#include <asm/cacheflush.h>
-void update_mmu_cache(struct vm_area_struct * vma,
- unsigned long address, pte_t pte)
-{
- unsigned long flags;
- unsigned long pteval;
- unsigned long vpn;
-
- /* Ptrace may call this routine. */
- if (vma && current->active_mm != vma->vm_mm)
- return;
-
-#if defined(CONFIG_SH7705_CACHE_32KB)
- {
- struct page *page = pte_page(pte);
- unsigned long pfn = pte_pfn(pte);
-
- if (pfn_valid(pfn) && !test_bit(PG_mapped, &page->flags)) {
- unsigned long phys = pte_val(pte) & PTE_PHYS_MASK;
-
- __flush_wback_region((void *)P1SEGADDR(phys),
- PAGE_SIZE);
- __set_bit(PG_mapped, &page->flags);
- }
- }
-#endif
-
- local_irq_save(flags);
-
- /* Set PTEH register */
- vpn = (address & MMU_VPN_MASK) | get_asid();
- ctrl_outl(vpn, MMU_PTEH);
-
- pteval = pte_val(pte);
-
- /* Set PTEL register */
- pteval &= _PAGE_FLAGS_HARDWARE_MASK; /* drop software flags */
- /* conveniently, we want all the software flags to be 0 anyway */
- ctrl_outl(pteval, MMU_PTEL);
-
- /* Load the TLB */
- asm volatile("ldtlb": /* no output */ : /* no input */ : "memory");
- local_irq_restore(flags);
-}
-
-void __flush_tlb_page(unsigned long asid, unsigned long page)
+void local_flush_tlb_one(unsigned long asid, unsigned long page)
{
unsigned long addr, data;
int i, ways = MMU_NTLB_WAYS;
@@ -86,7 +26,7 @@ void __flush_tlb_page(unsigned long asid, unsigned long page)
addr = MMU_TLB_ADDRESS_ARRAY | (page & 0x1F000);
data = (page & 0xfffe0000) | asid; /* VALID bit is off */
- if ((cpu_data->flags & CPU_HAS_MMU_PAGE_ASSOC)) {
+ if ((current_cpu_data.flags & CPU_HAS_MMU_PAGE_ASSOC)) {
addr |= MMU_PAGE_ASSOC_BIT;
ways = 1; /* we already know the way .. */
}
@@ -94,4 +34,3 @@ void __flush_tlb_page(unsigned long asid, unsigned long page)
for (i = 0; i < ways; i++)
ctrl_outl(data, addr + (i << 8));
}
-