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From: NIIBE Y. <gn...@m1...> - 2002-04-12 02:38:09
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2002-04-12 NIIBE Yutaka <gn...@m1...>
Follow up to 2.5.8-pre3.
* include/asm-sh/tlbflush.h (flush_tlb_kernel_range): New API.
* arch/sh/mm/fault.c (flush_tlb_kernel_range): New function.
* arch/sh/kernel/entry.S (sys_sched_setaffinity,
sys_sched_getaffinity): New syscall entries.
* include/asm-sh/unistd.h (__NR_sched_setaffinity,
__NR_sched_getaffinity): New macros.
2002-04-11 NIIBE Yutaka <gn...@m1...>
Follow up to 2.5.8-pre2.
* arch/sh/kernel/process.c: Include <linux/platform.h>.
(default_idle): New function.
(cpu_idle): Call default_idle.
* arch/sh/kernel/signal.c: Include <linux/binfmt.h>.
* include/asm-sh/pgalloc.h: Inline functions move to real functions.
* arch/sh/mm/init.c (pgd_alloc, pgd_free, pte_alloc_one_kernel,
pte_alloc_one): Moved to here.
* include/asm-sh/thread_info.h (PREEMPT_ACTIVE): Defined.
* include/asm-sh/cacheflush.h, include/asm-sh/tlbflush.h: New files.
* include/asm-sh/mmu_context.h: Include asm/tlbflush.h.
* arch/sh/kernel/signal.c: Include asm/cacheflush.h.
* arch/sh/mm/cache-sh3.c: Likewise.
* arch/sh/mm/cache-sh4.c: Likewise.
* arch/sh/mm/fault.c: Likewise.
* arch/sh/kernel/sh_ksyms.c: Include asm/tlbflush.h,
asm/cacheflush.h.
* arch/sh/mm/ioremap.c: Likewise.
Index: arch/sh/kernel/entry.S
===================================================================
RCS file: /cvsroot/linuxsh/linux/arch/sh/kernel/entry.S,v
retrieving revision 1.12
diff -u -3 -p -r1.12 entry.S
--- arch/sh/kernel/entry.S 29 Mar 2002 00:02:04 -0000 1.12
+++ arch/sh/kernel/entry.S 12 Apr 2002 02:34:32 -0000
@@ -1105,6 +1105,8 @@ ENTRY(sys_call_table)
.long SYMBOL_NAME(sys_tkill)
.long SYMBOL_NAME(sys_sendfile64)
.long SYMBOL_NAME(sys_futex) /* 240 */
+ .long SYMBOL_NAME(sys_sched_setaffinity)
+ .long SYMBOL_NAME(sys_sched_getaffinity)
.rept NR_syscalls-(.-sys_call_table)/4
.long SYMBOL_NAME(sys_ni_syscall)
Index: arch/sh/kernel/process.c
===================================================================
RCS file: /cvsroot/linuxsh/linux/arch/sh/kernel/process.c,v
retrieving revision 1.9
diff -u -3 -p -r1.9 process.c
--- arch/sh/kernel/process.c 29 Mar 2002 00:02:04 -0000 1.9
+++ arch/sh/kernel/process.c 12 Apr 2002 02:34:32 -0000
@@ -15,6 +15,7 @@
#include <linux/mm.h>
#include <linux/slab.h>
#include <linux/a.out.h>
+#include <linux/platform.h>
#include <asm/io.h>
#include <asm/uaccess.h>
@@ -35,10 +36,7 @@ void enable_hlt(void)
hlt_counter--;
}
-/*
- * The idle loop on a uniprocessor i386..
- */
-void cpu_idle(void *unused)
+void default_idle(void)
{
/* endless idle loop with no priority at all */
while (1) {
@@ -57,6 +55,14 @@ void cpu_idle(void *unused)
}
schedule();
}
+}
+
+/*
+ * The idle loop on a uniprocessor i386..
+ */
+void cpu_idle(void *unused)
+{
+ default_idle();
}
void machine_restart(char * __unused)
Index: arch/sh/kernel/sh_ksyms.c
===================================================================
RCS file: /cvsroot/linuxsh/linux/arch/sh/kernel/sh_ksyms.c,v
retrieving revision 1.3
diff -u -3 -p -r1.3 sh_ksyms.c
--- arch/sh/kernel/sh_ksyms.c 4 Apr 2002 09:03:54 -0000 1.3
+++ arch/sh/kernel/sh_ksyms.c 12 Apr 2002 02:34:32 -0000
@@ -10,6 +10,7 @@
#include <linux/smp_lock.h>
#include <linux/vmalloc.h>
#include <linux/pci.h>
+#include <linux/irq.h>
#include <asm/semaphore.h>
#include <asm/processor.h>
@@ -19,7 +20,8 @@
#include <asm/hardirq.h>
#include <asm/delay.h>
#include <asm/pgalloc.h>
-#include <linux/irq.h>
+#include <asm/tlbflush.h>
+#include <asm/cacheflush.h>
extern void dump_thread(struct pt_regs *, struct user *);
extern int dump_fpu(elf_fpregset_t *);
Index: arch/sh/kernel/signal.c
===================================================================
RCS file: /cvsroot/linuxsh/linux/arch/sh/kernel/signal.c,v
retrieving revision 1.8
diff -u -3 -p -r1.8 signal.c
--- arch/sh/kernel/signal.c 29 Mar 2002 00:02:04 -0000 1.8
+++ arch/sh/kernel/signal.c 12 Apr 2002 02:34:33 -0000
@@ -23,10 +23,12 @@
#include <linux/stddef.h>
#include <linux/personality.h>
#include <linux/tty.h>
+#include <linux/binfmts.h>
#include <asm/ucontext.h>
#include <asm/uaccess.h>
#include <asm/pgtable.h>
+#include <asm/cacheflush.h>
#define DEBUG_SIG 0
Index: arch/sh/mm/cache-sh3.c
===================================================================
RCS file: /cvsroot/linuxsh/linux/arch/sh/mm/cache-sh3.c,v
retrieving revision 1.1.1.1
diff -u -3 -p -r1.1.1.1 cache-sh3.c
--- arch/sh/mm/cache-sh3.c 15 Oct 2001 20:44:53 -0000 1.1.1.1
+++ arch/sh/mm/cache-sh3.c 12 Apr 2002 02:34:33 -0000
@@ -19,6 +19,7 @@
#include <asm/uaccess.h>
#include <asm/pgalloc.h>
#include <asm/mmu_context.h>
+#include <asm/cacheflush.h>
#define CCR 0xffffffec /* Address of Cache Control Register */
Index: arch/sh/mm/cache-sh4.c
===================================================================
RCS file: /cvsroot/linuxsh/linux/arch/sh/mm/cache-sh4.c,v
retrieving revision 1.11
diff -u -3 -p -r1.11 cache-sh4.c
--- arch/sh/mm/cache-sh4.c 3 Apr 2002 02:38:34 -0000 1.11
+++ arch/sh/mm/cache-sh4.c 12 Apr 2002 02:34:33 -0000
@@ -20,6 +20,7 @@
#include <asm/uaccess.h>
#include <asm/pgalloc.h>
#include <asm/mmu_context.h>
+#include <asm/cacheflush.h>
#define CCR 0xff00001c /* Address of Cache Control Register */
Index: arch/sh/mm/fault.c
===================================================================
RCS file: /cvsroot/linuxsh/linux/arch/sh/mm/fault.c,v
retrieving revision 1.5
diff -u -3 -p -r1.5 fault.c
--- arch/sh/mm/fault.c 22 Mar 2002 12:57:10 -0000 1.5
+++ arch/sh/mm/fault.c 12 Apr 2002 02:34:33 -0000
@@ -26,6 +26,7 @@
#include <asm/pgalloc.h>
#include <asm/hardirq.h>
#include <asm/mmu_context.h>
+#include <asm/cacheflush.h>
extern void die(const char *,struct pt_regs *,long);
@@ -410,6 +411,32 @@ void flush_tlb_range(struct vm_area_stru
}
restore_flags(flags);
}
+}
+
+void flush_tlb_kernel_range(unsigned long start, unsigned long end)
+{
+ unsigned long flags;
+ int size;
+
+ save_and_cli(flags);
+ size = (end - start + (PAGE_SIZE - 1)) >> PAGE_SHIFT;
+ if (size > (MMU_NTLB_ENTRIES/4)) { /* Too many TLB to flush */
+ flush_tlb_all();
+ } else {
+ unsigned long asid = init_mm.context&MMU_CONTEXT_ASID_MASK;
+ unsigned long saved_asid = get_asid();
+
+ start &= PAGE_MASK;
+ end += (PAGE_SIZE - 1);
+ end &= PAGE_MASK;
+ set_asid(asid);
+ while (start < end) {
+ __flush_tlb_page(asid, start);
+ start += PAGE_SIZE;
+ }
+ set_asid(saved_asid);
+ }
+ restore_flags(flags);
}
void flush_tlb_mm(struct mm_struct *mm)
Index: arch/sh/mm/init.c
===================================================================
RCS file: /cvsroot/linuxsh/linux/arch/sh/mm/init.c,v
retrieving revision 1.1.1.1
diff -u -3 -p -r1.1.1.1 init.c
--- arch/sh/mm/init.c 15 Oct 2001 20:44:54 -0000 1.1.1.1
+++ arch/sh/mm/init.c 12 Apr 2002 02:34:33 -0000
@@ -35,6 +35,7 @@
#include <asm/mmu_context.h>
#include <asm/io.h>
#include <asm/tlb.h>
+#include <asm/cacheflush.h>
mmu_gather_t mmu_gathers[NR_CPUS];
@@ -214,4 +215,54 @@ void si_meminfo(struct sysinfo *val)
val->freehigh = nr_free_highpages();
val->mem_unit = PAGE_SIZE;
return;
+}
+
+pgd_t *pgd_alloc(struct mm_struct *mm)
+{
+ unsigned int pgd_size = (USER_PTRS_PER_PGD * sizeof(pgd_t));
+ pgd_t *pgd = (pgd_t *)kmalloc(pgd_size, GFP_KERNEL);
+
+ if (pgd)
+ memset(pgd, 0, pgd_size);
+
+ return pgd;
+}
+
+void pgd_free(pgd_t *pgd)
+{
+ kfree(pgd);
+}
+
+pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address)
+{
+ int count = 0;
+ pte_t *pte;
+
+ do {
+ pte = (pte_t *) __get_free_page(GFP_KERNEL);
+ if (pte)
+ clear_page(pte);
+ else {
+ current->state = TASK_UNINTERRUPTIBLE;
+ schedule_timeout(HZ);
+ }
+ } while (!pte && (count++ < 10));
+ return pte;
+}
+
+struct page *pte_alloc_one(struct mm_struct *mm, unsigned long address)
+{
+ int count = 0;
+ struct page *pte;
+
+ do {
+ pte = alloc_pages(GFP_KERNEL, 0);
+ if (pte)
+ clear_page(page_address(pte));
+ else {
+ current->state = TASK_UNINTERRUPTIBLE;
+ schedule_timeout(HZ);
+ }
+ } while (!pte && (count++ < 10));
+ return pte;
}
Index: arch/sh/mm/ioremap.c
===================================================================
RCS file: /cvsroot/linuxsh/linux/arch/sh/mm/ioremap.c,v
retrieving revision 1.2
diff -u -3 -p -r1.2 ioremap.c
--- arch/sh/mm/ioremap.c 22 Mar 2002 03:58:40 -0000 1.2
+++ arch/sh/mm/ioremap.c 12 Apr 2002 02:34:33 -0000
@@ -12,6 +12,8 @@
#include <linux/vmalloc.h>
#include <asm/io.h>
#include <asm/pgalloc.h>
+#include <asm/cacheflush.h>
+#include <asm/tlbflush.h>
static inline void remap_area_pte(pte_t * pte, unsigned long address,
unsigned long size, unsigned long phys_addr, unsigned long flags)
Index: include/asm-sh/cacheflush.h
===================================================================
RCS file: include/asm-sh/cacheflush.h
diff -N include/asm-sh/cacheflush.h
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ include/asm-sh/cacheflush.h 12 Apr 2002 02:34:33 -0000
@@ -0,0 +1,72 @@
+#ifndef __ASM_SH_CACHEFLUSH_H
+#define __ASM_SH_CACHEFLUSH_H
+
+#if defined(__sh3__)
+/* Cache flushing:
+ *
+ * - flush_cache_all() flushes entire cache
+ * - flush_cache_mm(mm) flushes the specified mm context's cache lines
+ * - flush_cache_page(mm, vmaddr) flushes a single page
+ * - flush_cache_range(vma, start, end) flushes a range of pages
+ *
+ * - flush_dcache_page(pg) flushes(wback&invalidates) a page for dcache
+ * - flush_page_to_ram(page) write back kernel page to ram
+ * - flush_icache_range(start, end) flushes(invalidates) a range for icache
+ * - flush_icache_page(vma, pg) flushes(invalidates) a page for icache
+ *
+ * Caches are indexed (effectively) by physical address on SH-3, so
+ * we don't need them.
+ */
+#define flush_cache_all() do { } while (0)
+#define flush_cache_mm(mm) do { } while (0)
+#define flush_cache_range(vma, start, end) do { } while (0)
+#define flush_cache_page(vma, vmaddr) do { } while (0)
+#define flush_page_to_ram(page) do { } while (0)
+#define flush_dcache_page(page) do { } while (0)
+#define flush_icache_range(start, end) do { } while (0)
+#define flush_icache_page(vma,pg) do { } while (0)
+#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
+#define flush_cache_sigtramp(vaddr) do { } while (0)
+
+#define p3_cache_init() do { } while (0)
+
+#elif defined(__SH4__)
+/*
+ * Caches are broken on SH-4, so we need them.
+ */
+
+/* Page is 4K, OC size is 16K, there are four lines. */
+#define CACHE_ALIAS 0x00003000
+
+extern void flush_cache_all(void);
+extern void flush_cache_mm(struct mm_struct *mm);
+extern void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
+ unsigned long end);
+extern void flush_cache_page(struct vm_area_struct *vma, unsigned long addr);
+extern void flush_dcache_page(struct page *pg);
+extern void flush_icache_range(unsigned long start, unsigned long end);
+extern void flush_cache_sigtramp(unsigned long addr);
+extern void flush_icache_user_range(struct vm_area_struct *vma,
+ struct page *page, unsigned long addr,
+ int len);
+
+#define flush_page_to_ram(page) do { } while (0)
+#define flush_icache_page(vma,pg) do { } while (0)
+
+/* Initialization of P3 area for copy_user_page */
+extern void p3_cache_init(void);
+
+#define PG_mapped PG_arch_1
+
+/* We provide our own get_unmapped_area to avoid cache alias issue */
+#define HAVE_ARCH_UNMAPPED_AREA
+#endif
+
+/* Flush (write-back only) a region (smaller than a page) */
+extern void __flush_wback_region(void *start, int size);
+/* Flush (write-back & invalidate) a region (smaller than a page) */
+extern void __flush_purge_region(void *start, int size);
+/* Flush (invalidate only) a region (smaller than a page) */
+extern void __flush_invalidate_region(void *start, int size);
+
+#endif /* __ASM_SH_CACHEFLUSH_H */
Index: include/asm-sh/mmu_context.h
===================================================================
RCS file: /cvsroot/linuxsh/linux/include/asm-sh/mmu_context.h,v
retrieving revision 1.7
diff -u -3 -p -r1.7 mmu_context.h
--- include/asm-sh/mmu_context.h 27 Mar 2002 00:07:19 -0000 1.7
+++ include/asm-sh/mmu_context.h 12 Apr 2002 02:34:33 -0000
@@ -6,6 +6,8 @@
#ifndef __ASM_SH_MMU_CONTEXT_H
#define __ASM_SH_MMU_CONTEXT_H
+#include <asm/tlbflush.h>
+
/*
* The MMU "context" consists of two things:
* (a) TLB cache version (or round, cycle whatever expression you like)
Index: include/asm-sh/pgalloc.h
===================================================================
RCS file: /cvsroot/linuxsh/linux/include/asm-sh/pgalloc.h,v
retrieving revision 1.6
diff -u -3 -p -r1.6 pgalloc.h
--- include/asm-sh/pgalloc.h 22 Mar 2002 12:57:10 -0000 1.6
+++ include/asm-sh/pgalloc.h 12 Apr 2002 02:34:33 -0000
@@ -22,56 +22,11 @@ static inline void pmd_populate(struct m
/*
* Allocate and free page tables.
*/
+extern pgd_t *pgd_alloc(struct mm_struct *);
+extern void pgd_free(pgd_t *pgd);
-static inline pgd_t *pgd_alloc(struct mm_struct *mm)
-{
- unsigned int pgd_size = (USER_PTRS_PER_PGD * sizeof(pgd_t));
- pgd_t *pgd = (pgd_t *)kmalloc(pgd_size, GFP_KERNEL);
-
- if (pgd)
- memset(pgd, 0, pgd_size);
-
- return pgd;
-}
-
-static inline void pgd_free(pgd_t *pgd)
-{
- kfree(pgd);
-}
-
-static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm, unsigned long address)
-{
- int count = 0;
- pte_t *pte;
-
- do {
- pte = (pte_t *) __get_free_page(GFP_KERNEL);
- if (pte)
- clear_page(pte);
- else {
- current->state = TASK_UNINTERRUPTIBLE;
- schedule_timeout(HZ);
- }
- } while (!pte && (count++ < 10));
- return pte;
-}
-
-static inline struct page *pte_alloc_one(struct mm_struct *mm, unsigned long address)
-{
- int count = 0;
- struct page *pte;
-
- do {
- pte = alloc_pages(GFP_KERNEL, 0);
- if (pte)
- clear_page(page_address(pte));
- else {
- current->state = TASK_UNINTERRUPTIBLE;
- schedule_timeout(HZ);
- }
- } while (!pte && (count++ < 10));
- return pte;
-}
+extern pte_t *pte_alloc_one_kernel(struct mm_struct *, unsigned long);
+extern struct page *pte_alloc_one(struct mm_struct *, unsigned long);
static inline void pte_free_kernel(pte_t *pte)
{
@@ -92,31 +47,9 @@ static inline void pte_free(struct page
#define pmd_free(x) do { } while (0)
#define pgd_populate(mm, pmd, pte) BUG()
-/*
- * TLB flushing:
- *
- * - flush_tlb() flushes the current mm struct TLBs
- * - flush_tlb_all() flushes all processes TLBs
- * - flush_tlb_mm(mm) flushes the specified mm context TLB's
- * - flush_tlb_page(vma, vmaddr) flushes one page
- * - flush_tlb_range(vma, start, end) flushes a range of pages
- * - flush_tlb_pgtables(mm, start, end) flushes a range of page tables
- */
-
-extern void flush_tlb(void);
-extern void flush_tlb_all(void);
-extern void flush_tlb_mm(struct mm_struct *mm);
-extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
- unsigned long end);
-extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long page);
-extern void __flush_tlb_page(unsigned long asid, unsigned long page);
-
-static inline void flush_tlb_pgtables(struct mm_struct *mm,
- unsigned long start, unsigned long end)
-{ /* Nothing to do */
-}
-
#if defined(__SH4__)
+#define PG_mapped PG_arch_1
+
/*
* For SH-4, we have our own implementation for ptep_get_and_clear
*/
Index: include/asm-sh/pgtable.h
===================================================================
RCS file: /cvsroot/linuxsh/linux/include/asm-sh/pgtable.h,v
retrieving revision 1.7
diff -u -3 -p -r1.7 pgtable.h
--- include/asm-sh/pgtable.h 22 Mar 2002 12:57:10 -0000 1.7
+++ include/asm-sh/pgtable.h 12 Apr 2002 02:34:33 -0000
@@ -17,75 +17,6 @@
extern pgd_t swapper_pg_dir[PTRS_PER_PGD];
extern void paging_init(void);
-#if defined(__sh3__)
-/* Cache flushing:
- *
- * - flush_cache_all() flushes entire cache
- * - flush_cache_mm(mm) flushes the specified mm context's cache lines
- * - flush_cache_page(mm, vmaddr) flushes a single page
- * - flush_cache_range(vma, start, end) flushes a range of pages
- *
- * - flush_dcache_page(pg) flushes(wback&invalidates) a page for dcache
- * - flush_page_to_ram(page) write back kernel page to ram
- * - flush_icache_range(start, end) flushes(invalidates) a range for icache
- * - flush_icache_page(vma, pg) flushes(invalidates) a page for icache
- *
- * Caches are indexed (effectively) by physical address on SH-3, so
- * we don't need them.
- */
-#define flush_cache_all() do { } while (0)
-#define flush_cache_mm(mm) do { } while (0)
-#define flush_cache_range(vma, start, end) do { } while (0)
-#define flush_cache_page(vma, vmaddr) do { } while (0)
-#define flush_page_to_ram(page) do { } while (0)
-#define flush_dcache_page(page) do { } while (0)
-#define flush_icache_range(start, end) do { } while (0)
-#define flush_icache_page(vma,pg) do { } while (0)
-#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
-#define flush_cache_sigtramp(vaddr) do { } while (0)
-
-#define p3_cache_init() do { } while (0)
-
-#elif defined(__SH4__)
-/*
- * Caches are broken on SH-4, so we need them.
- */
-
-/* Page is 4K, OC size is 16K, there are four lines. */
-#define CACHE_ALIAS 0x00003000
-
-extern void flush_cache_all(void);
-extern void flush_cache_mm(struct mm_struct *mm);
-extern void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
- unsigned long end);
-extern void flush_cache_page(struct vm_area_struct *vma, unsigned long addr);
-extern void flush_dcache_page(struct page *pg);
-extern void flush_icache_range(unsigned long start, unsigned long end);
-extern void flush_cache_sigtramp(unsigned long addr);
-extern void flush_icache_user_range(struct vm_area_struct *vma,
- struct page *page, unsigned long addr,
- int len);
-
-#define flush_page_to_ram(page) do { } while (0)
-#define flush_icache_page(vma,pg) do { } while (0)
-
-/* Initialization of P3 area for copy_user_page */
-extern void p3_cache_init(void);
-
-#define PG_mapped PG_arch_1
-
-/* We provide our own get_unmapped_area to avoid cache alias issue */
-#define HAVE_ARCH_UNMAPPED_AREA
-#endif
-
-/* Flush (write-back only) a region (smaller than a page) */
-extern void __flush_wback_region(void *start, int size);
-/* Flush (write-back & invalidate) a region (smaller than a page) */
-extern void __flush_purge_region(void *start, int size);
-/* Flush (invalidate only) a region (smaller than a page) */
-extern void __flush_invalidate_region(void *start, int size);
-
-
/*
* Basically we have the same two-level (which is the logical three level
* Linux page table layout folded) page tables as the i386.
Index: include/asm-sh/thread_info.h
===================================================================
RCS file: /cvsroot/linuxsh/linux/include/asm-sh/thread_info.h,v
retrieving revision 1.4
diff -u -3 -p -r1.4 thread_info.h
--- include/asm-sh/thread_info.h 26 Mar 2002 01:56:39 -0000 1.4
+++ include/asm-sh/thread_info.h 12 Apr 2002 02:34:33 -0000
@@ -43,6 +43,8 @@ struct thread_info {
#endif
+#define PREEMPT_ACTIVE 0x4000
+
/*
* macros/functions for gaining access to the thread information structure
*/
Index: include/asm-sh/tlbflush.h
===================================================================
RCS file: include/asm-sh/tlbflush.h
diff -N include/asm-sh/tlbflush.h
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ include/asm-sh/tlbflush.h 12 Apr 2002 02:34:33 -0000
@@ -0,0 +1,31 @@
+#ifndef __ASM_SH_TLBFLUSH_H
+#define __ASM_SH_TLBFLUSH_H
+
+/*
+ * TLB flushing:
+ *
+ * - flush_tlb() flushes the current mm struct TLBs
+ * - flush_tlb_all() flushes all processes TLBs
+ * - flush_tlb_mm(mm) flushes the specified mm context TLB's
+ * - flush_tlb_page(vma, vmaddr) flushes one page
+ * - flush_tlb_range(vma, start, end) flushes a range of pages
+ * - flush_tlb_kernel_range(start, end) flushes a range of kernel pages
+ * - flush_tlb_pgtables(mm, start, end) flushes a range of page tables
+ */
+
+extern void flush_tlb(void);
+extern void flush_tlb_all(void);
+extern void flush_tlb_mm(struct mm_struct *mm);
+extern void flush_tlb_range(struct vm_area_struct *vma, unsigned long start,
+ unsigned long end);
+extern void flush_tlb_page(struct vm_area_struct *vma, unsigned long page);
+extern void __flush_tlb_page(unsigned long asid, unsigned long page);
+
+static inline void flush_tlb_pgtables(struct mm_struct *mm,
+ unsigned long start, unsigned long end)
+{ /* Nothing to do */
+}
+
+extern void flush_tlb_kernel_range(unsigned long start, unsigned long end);
+
+#endif /* __ASM_SH_TLBFLUSH_H */
Index: include/asm-sh/unistd.h
===================================================================
RCS file: /cvsroot/linuxsh/linux/include/asm-sh/unistd.h,v
retrieving revision 1.5
diff -u -3 -p -r1.5 unistd.h
--- include/asm-sh/unistd.h 10 Apr 2002 11:09:40 -0000 1.5
+++ include/asm-sh/unistd.h 12 Apr 2002 02:34:33 -0000
@@ -248,6 +248,8 @@
#define __NR_tkill 238
#define __NR_sendfile64 239
#define __NR_futex 240
+#define __NR_sched_setaffinity 241
+#define __NR_sched_getaffinity 242
/* user-visible error numbers are in the range -1 - -125: see <asm-sh/errno.h> */
|
|
From: Robert L. <rm...@te...> - 2002-04-12 03:17:38
|
On Thu, 2002-04-11 at 22:38, NIIBE Yutaka wrote: > * include/asm-sh/thread_info.h (PREEMPT_ACTIVE): Defined. Hrm, did I put this in arch-dependent headers? Eh, I did ... This should go in include/linux/sched.h ... I will send Linus a patch to remove it from include/asm and put it there. It is arch-independent. Robert Love |
|
From: Robert L. <rm...@te...> - 2002-04-12 03:26:06
|
On Thu, 2002-04-11 at 23:17, Robert Love wrote: > Hrm, did I put this in arch-dependent headers? Eh, I did ... Er, disregard that. Pulling sched.h into entry.S is probably not a good idea ... include/asm/thread_info.h it is, then. sorry, Robert Love |
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