Merge master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh64-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/lethal/sh64-2.6:
  sh64: Add .gitignore entry for syscalltab.
  sh64: generic quicklist support.
  sh64: Update cayman defconfig.
  sh64: Fixup sh-sci build.
  sh64: ppoll/pselect6() and restartable syscalls.
  sh64: dma-mapping updates.
  sh64: Fixups for the irq_regs changes.
  sh64: Wire up many new syscalls.
  spelling fixes: arch/sh64/
  sh64: ROUND_UP macro cleanup in arch/sh64/kernel/pci_sh5.c

arch/sh64/Kconfig

@@ -17,6 +17,9 @@ config MMU
 	bool
 	default y
 
+config QUICKLIST
+	def_bool y
+
 config RWSEM_GENERIC_SPINLOCK
 	bool
 	default y

arch/sh64/kernel/entry.S

@@ -947,14 +947,14 @@ ret_with_reschedule:
 	! FIXME:!!!
 	! no handling of TIF_SYSCALL_TRACE yet!!
 
-	movi	(1 << TIF_NEED_RESCHED), r8
+	movi	_TIF_NEED_RESCHED, r8
 	and	r8, r7, r8
 	pta	work_resched, tr0
 	bne	r8, ZERO, tr0
 
 	pta	restore_all, tr1
 
-	movi	(1 << TIF_SIGPENDING), r8
+	movi	(_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK), r8
 	and	r8, r7, r8
 	pta	work_notifysig, tr0
 	bne	r8, ZERO, tr0

arch/sh64/kernel/irq.c

@@ -94,6 +94,7 @@ asmlinkage void do_NMI(unsigned long vector_num, struct pt_regs * regs)
  */
 asmlinkage int do_IRQ(unsigned long vector_num, struct pt_regs * regs)
 {
+	struct pt_regs *old_regs = set_irq_regs(regs);
 	int irq;
 
 	irq_enter();
@@ -101,13 +102,14 @@ asmlinkage int do_IRQ(unsigned long vector_num, struct pt_regs * regs)
 	irq = irq_demux(vector_num);
 
 	if (irq >= 0) {
-		__do_IRQ(irq, regs);
+		__do_IRQ(irq);
 	} else {
 		printk("unexpected IRQ trap at vector %03lx\n", vector_num);
 	}
 
 	irq_exit();
 
+	set_irq_regs(old_regs);
 	return 1;
 }
 

arch/sh64/kernel/pci_sh5.c

@@ -340,8 +340,9 @@ static int __init map_cayman_irq(struct pci_dev *dev, u8 slot, u8 pin)
 	return result;
 }
 
-irqreturn_t pcish5_err_irq(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t pcish5_err_irq(int irq, void *dev_id)
 {
+	struct pt_regs *regs = get_irq_regs();
 	unsigned pci_int, pci_air, pci_cir, pci_aint;
 
 	pci_int = SH5PCI_READ(INT);
@@ -368,15 +369,13 @@ irqreturn_t pcish5_err_irq(int irq, void *dev_id, struct pt_regs *regs)
 	return IRQ_HANDLED;
 }
 
-irqreturn_t pcish5_serr_irq(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t pcish5_serr_irq(int irq, void *dev_id)
 {
 	printk("SERR IRQ\n");
 
 	return IRQ_NONE;
 }
 
-#define ROUND_UP(x, a)		(((x) + (a) - 1) & ~((a) - 1))
-
 static void __init
 pcibios_size_bridge(struct pci_bus *bus, struct resource *ior,
 		    struct resource *memr)
@@ -433,8 +432,8 @@ pcibios_size_bridge(struct pci_bus *bus, struct resource *ior,
 	mem_res.end -= mem_res.start;
 
 	/* Align the sizes up by bridge rules */
-	io_res.end = ROUND_UP(io_res.end, 4*1024) - 1;
-	mem_res.end = ROUND_UP(mem_res.end, 1*1024*1024) - 1;
+	io_res.end = ALIGN(io_res.end, 4*1024) - 1;
+	mem_res.end = ALIGN(mem_res.end, 1*1024*1024) - 1;
 
 	/* Adjust the bridge's allocation requirements */
 	bridge->resource[0].end = bridge->resource[0].start + io_res.end;
@@ -447,18 +446,16 @@ pcibios_size_bridge(struct pci_bus *bus, struct resource *ior,
 
 	/* adjust parent's resource requirements */
 	if (ior) {
-		ior->end = ROUND_UP(ior->end, 4*1024);
+		ior->end = ALIGN(ior->end, 4*1024);
 		ior->end += io_res.end;
 	}
 
 	if (memr) {
-		memr->end = ROUND_UP(memr->end, 1*1024*1024);
+		memr->end = ALIGN(memr->end, 1*1024*1024);
 		memr->end += mem_res.end;
 	}
 }
 
-#undef ROUND_UP
-
 static void __init pcibios_size_bridges(void)
 {
 	struct resource io_res, mem_res;

arch/sh64/kernel/pci_sh5.h

@@ -4,7 +4,7 @@
  * May be copied or modified under the terms of the GNU General Public
  * License.  See linux/COPYING for more information.
  *
- * Defintions for the SH5 PCI hardware.
+ * Definitions for the SH5 PCI hardware.
  */
 
 /* Product ID */

arch/sh64/kernel/process.c

@@ -387,7 +387,7 @@ ATTRIB_NORET void kernel_thread_helper(void *arg, int (*fn)(void *))
  * NOTE! Only a kernel-only process(ie the swapper or direct descendants
  * who haven't done an "execve()") should use this: it will work within
  * a system call from a "real" process, but the process memory space will
- * not be free'd until both the parent and the child have exited.
+ * not be freed until both the parent and the child have exited.
  */
 int kernel_thread(int (*fn)(void *), void * arg, unsigned long flags)
 {

arch/sh64/kernel/signal.c

@@ -698,7 +698,9 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset)
 	if (try_to_freeze())
 		goto no_signal;
 
-	if (!oldset)
+	if (test_thread_flag(TIF_RESTORE_SIGMASK))
+		oldset = &current->saved_sigmask;
+	else if (!oldset)
 		oldset = &current->blocked;
 
 	signr = get_signal_to_deliver(&info, &ka, regs, 0);
@@ -706,6 +708,15 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset)
 	if (signr > 0) {
 		/* Whee!  Actually deliver the signal.  */
 		handle_signal(signr, &info, &ka, oldset, regs);
+
+		/*
+		 * If a signal was successfully delivered, the saved sigmask
+		 * is in its frame, and we can clear the TIF_RESTORE_SIGMASK
+		 * flag.
+		 */
+		if (test_thread_flag(TIF_RESTORE_SIGMASK))
+			clear_thread_flag(TIF_RESTORE_SIGMASK);
+
 		return 1;
 	}
 
@@ -713,13 +724,27 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset)
 	/* Did we come from a system call? */
 	if (regs->syscall_nr >= 0) {
 		/* Restart the system call - no handlers present */
-		if (regs->regs[REG_RET] == -ERESTARTNOHAND ||
-		    regs->regs[REG_RET] == -ERESTARTSYS ||
-		    regs->regs[REG_RET] == -ERESTARTNOINTR) {
+		switch (regs->regs[REG_RET]) {
+		case -ERESTARTNOHAND:
+		case -ERESTARTSYS:
+		case -ERESTARTNOINTR:
 			/* Decode Syscall # */
 			regs->regs[REG_RET] = regs->syscall_nr;
 			regs->pc -= 4;
+			break;
+
+		case -ERESTART_RESTARTBLOCK:
+			regs->regs[REG_RET] = __NR_restart_syscall;
+			regs->pc -= 4;
+			break;
 		}
 	}
+
+	/* No signal to deliver -- put the saved sigmask back */
+	if (test_thread_flag(TIF_RESTORE_SIGMASK)) {
+		clear_thread_flag(TIF_RESTORE_SIGMASK);
+		sigprocmask(SIG_SETMASK, &current->saved_sigmask, NULL);
+	}
+
 	return 0;
 }

arch/sh64/kernel/syscalls.S

@@ -2,7 +2,7 @@
  * arch/sh64/kernel/syscalls.S
  *
  * Copyright (C) 2000, 2001  Paolo Alberelli
- * Copyright (C) 2004  Paul Mundt
+ * Copyright (C) 2004 - 2007  Paul Mundt
  * Copyright (C) 2003, 2004 Richard Curnow
  *
  * This file is subject to the terms and conditions of the GNU General Public
@@ -20,7 +20,7 @@
  */
 	.globl  sys_call_table
 sys_call_table:
-	.long sys_ni_syscall		/* 0  -  old "setup()" system call  */
+	.long sys_restart_syscall	/* 0  -  old "setup()" system call  */
 	.long sys_exit
 	.long sys_fork
 	.long sys_read
@@ -347,4 +347,34 @@ sys_call_table:
 	.long sys_inotify_init
 	.long sys_inotify_add_watch
 	.long sys_inotify_rm_watch	/* 320 */
-
+	.long sys_ni_syscall
+	.long sys_migrate_pages
+	.long sys_openat
+	.long sys_mkdirat
+	.long sys_mknodat		/* 325 */
+	.long sys_fchownat
+	.long sys_futimesat
+	.long sys_fstatat64
+	.long sys_unlinkat
+	.long sys_renameat		/* 330 */
+	.long sys_linkat
+	.long sys_symlinkat
+	.long sys_readlinkat
+	.long sys_fchmodat
+	.long sys_faccessat		/* 335 */
+	.long sys_pselect6
+	.long sys_ppoll
+	.long sys_unshare
+	.long sys_set_robust_list
+	.long sys_get_robust_list	/* 340 */
+	.long sys_splice
+	.long sys_sync_file_range
+	.long sys_tee
+	.long sys_vmsplice
+	.long sys_move_pages		/* 345 */
+	.long sys_getcpu
+	.long sys_epoll_pwait
+	.long sys_utimensat
+	.long sys_signalfd
+	.long sys_timerfd		/* 350 */
+	.long sys_eventfd

arch/sh64/kernel/time.c

@@ -123,7 +123,7 @@ static unsigned long long usecs_per_jiffy = 1000000/HZ; /* Approximation */
 static unsigned long long scaled_recip_ctc_ticks_per_jiffy;
 
 /* Estimate number of microseconds that have elapsed since the last timer tick,
-   by scaling the delta that has occured in the CTC register.
+   by scaling the delta that has occurred in the CTC register.
 
    WARNING WARNING WARNING : This algorithm relies on the CTC decrementing at
    the CPU clock rate.  If the CPU sleeps, the CTC stops counting.  Bear this
@@ -282,7 +282,7 @@ static long last_rtc_update = 0;
  * timer_interrupt() needs to keep up the real-time clock,
  * as well as call the "do_timer()" routine every clocktick
  */
-static inline void do_timer_interrupt(int irq, struct pt_regs *regs)
+static inline void do_timer_interrupt(void)
 {
 	unsigned long long current_ctc;
 	asm ("getcon cr62, %0" : "=r" (current_ctc));
@@ -290,9 +290,10 @@ static inline void do_timer_interrupt(int irq, struct pt_regs *regs)
 
 	do_timer(1);
 #ifndef CONFIG_SMP
-	update_process_times(user_mode(regs));
+	update_process_times(user_mode(get_irq_regs()));
 #endif
-	profile_tick(CPU_PROFILING, regs);
+	if (current->pid)
+		profile_tick(CPU_PROFILING);
 
 #ifdef CONFIG_HEARTBEAT
 	{
@@ -323,7 +324,7 @@ static inline void do_timer_interrupt(int irq, struct pt_regs *regs)
  * Time Stamp Counter value at the time of the timer interrupt, so that
  * we later on can estimate the time of day more exactly.
  */
-static irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t timer_interrupt(int irq, void *dev_id)
 {
 	unsigned long timer_status;
 
@@ -340,7 +341,7 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 	 * locally disabled. -arca
 	 */
 	write_lock(&xtime_lock);
-	do_timer_interrupt(irq, regs);
+	do_timer_interrupt();
 	write_unlock(&xtime_lock);
 
 	return IRQ_HANDLED;
@@ -465,9 +466,10 @@ static __init unsigned int get_cpu_hz(void)
 #endif
 }
 
-static irqreturn_t sh64_rtc_interrupt(int irq, void *dev_id,
-				      struct pt_regs *regs)
+static irqreturn_t sh64_rtc_interrupt(int irq, void *dev_id)
 {
+	struct pt_regs *regs = get_irq_regs();
+
 	ctrl_outb(0, RCR1);	/* Disable Carry Interrupts */
 	regs->regs[3] = 1;	/* Using r3 */
 

arch/sh64/lib/.gitignore

+syscalltab.h

arch/sh64/mach-cayman/irq.c

@@ -29,13 +29,13 @@ unsigned long epld_virt;
 /* Note the SMSC SuperIO chip and SMSC LAN chip interrupts are all muxed onto
    the same SH-5 interrupt */
 
-static irqreturn_t cayman_interrupt_smsc(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t cayman_interrupt_smsc(int irq, void *dev_id)
 {
         printk(KERN_INFO "CAYMAN: spurious SMSC interrupt\n");
 	return IRQ_NONE;
 }
 
-static irqreturn_t cayman_interrupt_pci2(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t cayman_interrupt_pci2(int irq, void *dev_id)
 {
         printk(KERN_INFO "CAYMAN: spurious PCI interrupt, IRQ %d\n", irq);
 	return IRQ_NONE;

arch/sh64/mach-cayman/setup.c

@@ -213,7 +213,7 @@ static int __init smsc_superio_setup(void)
 	SMSC_SUPERIO_WRITE_INDEXED(0x00, 0xc7); /* GP47 = nIOWOP */
 #endif
 
-	/* Exit the configuraton state */
+	/* Exit the configuration state */
 	outb(SMSC_EXIT_CONFIG_KEY, SMSC_CONFIG_PORT_ADDR);
 
 	return 0;

arch/sh64/mm/fault.c

@@ -135,7 +135,7 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long writeaccess,
 	/* SIM
 	 * Note this is now called with interrupts still disabled
 	 * This is to cope with being called for a missing IO port
-	 * address with interupts disabled. This should be fixed as
+	 * address with interrupts disabled. This should be fixed as
 	 * soon as we have a better 'fast path' miss handler.
 	 *
 	 * Plus take care how you try and debug this stuff.

arch/sh64/mm/init.c

@@ -84,7 +84,7 @@ void show_mem(void)
 	printk("%d reserved pages\n",reserved);
 	printk("%d pages shared\n",shared);
 	printk("%d pages swap cached\n",cached);
-	printk("%ld pages in page table cache\n",pgtable_cache_size);
+	printk("%ld pages in page table cache\n", quicklist_total_size());
 }
 
 /*

arch/sh64/mm/tlbmiss.c

@@ -14,7 +14,7 @@
  * IMPORTANT NOTES :
  * The do_fast_page_fault function is called from a context in entry.S where very few registers
  * have been saved.  In particular, the code in this file must be compiled not to use ANY
- * caller-save regiseters that are not part of the restricted save set.  Also, it means that
+ * caller-save registers that are not part of the restricted save set.  Also, it means that
  * code in this file must not make calls to functions elsewhere in the kernel, or else the
  * excepting context will see corruption in its caller-save registers.  Plus, the entry.S save
  * area is non-reentrant, so this code has to run with SR.BL==1, i.e. no interrupts taken inside
@@ -249,7 +249,7 @@ asmlinkage int do_fast_page_fault(unsigned long long ssr_md, unsigned long long
 	/* SIM
 	 * Note this is now called with interrupts still disabled
 	 * This is to cope with being called for a missing IO port
-	 * address with interupts disabled. This should be fixed as
+	 * address with interrupts disabled. This should be fixed as
 	 * soon as we have a better 'fast path' miss handler.
 	 *
 	 * Plus take care how you try and debug this stuff.

include/asm-sh64/dma-mapping.h

@@ -35,6 +35,10 @@ static inline void dma_free_coherent(struct device *dev, size_t size,
 	consistent_free(NULL, size, vaddr, dma_handle);
 }
 
+#define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
+#define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
+#define dma_is_consistent(d, h) (1)
+
 static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
 				  enum dma_data_direction dir)
 {
@@ -49,7 +53,7 @@ static inline dma_addr_t dma_map_single(struct device *dev,
 	if (dev->bus == &pci_bus_type)
 		return virt_to_bus(ptr);
 #endif
-	dma_cache_sync(ptr, size, dir);
+	dma_cache_sync(dev, ptr, size, dir);
 
 	return virt_to_bus(ptr);
 }
@@ -63,7 +67,7 @@ static inline int dma_map_sg(struct device *dev, struct scatterlist *sg,
 
 	for (i = 0; i < nents; i++) {
 #if !defined(CONFIG_PCI) || defined(CONFIG_SH_PCIDMA_NONCOHERENT)
-		dma_cache_sync(page_address(sg[i].page) + sg[i].offset,
+		dma_cache_sync(dev, page_address(sg[i].page) + sg[i].offset,
 			       sg[i].length, dir);
 #endif
 		sg[i].dma_address = page_to_phys(sg[i].page) + sg[i].offset;
@@ -94,7 +98,7 @@ static inline void dma_sync_single(struct device *dev, dma_addr_t dma_handle,
 	if (dev->bus == &pci_bus_type)
 		return;
 #endif
-	dma_cache_sync(bus_to_virt(dma_handle), size, dir);
+	dma_cache_sync(dev, bus_to_virt(dma_handle), size, dir);
 }
 
 static inline void dma_sync_single_range(struct device *dev,
@@ -106,7 +110,7 @@ static inline void dma_sync_single_range(struct device *dev,
 	if (dev->bus == &pci_bus_type)
 		return;
 #endif
-	dma_cache_sync(bus_to_virt(dma_handle) + offset, size, dir);
+	dma_cache_sync(dev, bus_to_virt(dma_handle) + offset, size, dir);
 }
 
 static inline void dma_sync_sg(struct device *dev, struct scatterlist *sg,
@@ -116,7 +120,7 @@ static inline void dma_sync_sg(struct device *dev, struct scatterlist *sg,
 
 	for (i = 0; i < nelems; i++) {
 #if !defined(CONFIG_PCI) || defined(CONFIG_SH_PCIDMA_NONCOHERENT)
-		dma_cache_sync(page_address(sg[i].page) + sg[i].offset,
+		dma_cache_sync(dev, page_address(sg[i].page) + sg[i].offset,
 			       sg[i].length, dir);
 #endif
 		sg[i].dma_address = page_to_phys(sg[i].page) + sg[i].offset;

include/asm-sh64/irq_regs.h

+#include <asm-generic/irq_regs.h>

include/asm-sh64/pgalloc.h

@@ -14,13 +14,9 @@
  *
  */
 
-#include <linux/threads.h>
 #include <linux/mm.h>
-
-#define pgd_quicklist (current_cpu_data.pgd_quick)
-#define pmd_quicklist (current_cpu_data.pmd_quick)
-#define pte_quicklist (current_cpu_data.pte_quick)
-#define pgtable_cache_size (current_cpu_data.pgtable_cache_sz)
+#include <linux/quicklist.h>
+#include <asm/page.h>
 
 static inline void pgd_init(unsigned long page)
 {
@@ -45,84 +41,37 @@ static inline pgd_t *get_pgd_slow(void)
 	return ret;
 }
 
-static inline pgd_t *get_pgd_fast(void)
-{
-	unsigned long *ret;
-
-	if ((ret = pgd_quicklist) != NULL) {
-		pgd_quicklist = (unsigned long *)(*ret);
-		ret[0] = 0;
-		pgtable_cache_size--;
-	} else
-		ret = (unsigned long *)get_pgd_slow();
-
-	if (ret) {
-		memset(ret, 0, USER_PTRS_PER_PGD * sizeof(pgd_t));
-	}
-	return (pgd_t *)ret;
-}
-
-static inline void free_pgd_fast(pgd_t *pgd)
+static inline pgd_t *pgd_alloc(struct mm_struct *mm)
 {
-	*(unsigned long *)pgd = (unsigned long) pgd_quicklist;
-	pgd_quicklist = (unsigned long *) pgd;
-	pgtable_cache_size++;
+	return quicklist_alloc(0, GFP_KERNEL, NULL);
 }
 
-static inline void free_pgd_slow(pgd_t *pgd)
+static inline void pgd_free(pgd_t *pgd)
 {
-	kfree((void *)pgd);
+	quicklist_free(0, NULL, pgd);
 }
 
-extern pte_t *get_pte_slow(pmd_t *pmd, unsigned long address_preadjusted);
-extern pte_t *get_pte_kernel_slow(pmd_t *pmd, unsigned long address_preadjusted);
-
-static inline pte_t *get_pte_fast(void)
-{
-	unsigned long *ret;
-
-	if((ret = (unsigned long *)pte_quicklist) != NULL) {
-		pte_quicklist = (unsigned long *)(*ret);
-		ret[0] = ret[1];
-		pgtable_cache_size--;
-	}
-	return (pte_t *)ret;
-}
-
-static inline void free_pte_fast(pte_t *pte)
+static inline struct page *pte_alloc_one(struct mm_struct *mm,
+					 unsigned long address)
 {
-	*(unsigned long *)pte = (unsigned long) pte_quicklist;
-	pte_quicklist = (unsigned long *) pte;
-	pgtable_cache_size++;
+	void *pg = quicklist_alloc(0, GFP_KERNEL, NULL);
+	return pg ? virt_to_page(pg) : NULL;
 }
 
 static inline void pte_free_kernel(pte_t *pte)
 {
-	free_page((unsigned long)pte);
+	quicklist_free(0, NULL, pte);
 }
 
 static inline void pte_free(struct page *pte)
 {
-	__free_page(pte);
+	quicklist_free_page(0, NULL, pte);
 }
 
 static inline pte_t *pte_alloc_one_kernel(struct mm_struct *mm,
 					   unsigned long address)
 {
-	pte_t *pte;
-
-	pte = (pte_t *)__get_free_page(GFP_KERNEL | __GFP_REPEAT|__GFP_ZERO);
-
-	return pte;
-}
-
-static inline struct page *pte_alloc_one(struct mm_struct *mm, unsigned long address)
-{
-	struct page *pte;
-
-	pte = alloc_pages(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO, 0);
-
-	return pte;
+	return quicklist_alloc(0, GFP_KERNEL, NULL);
 }
 
 #define __pte_free_tlb(tlb,pte) tlb_remove_page((tlb),(pte))
@@ -142,16 +91,14 @@ static inline struct page *pte_alloc_one(struct mm_struct *mm, unsigned long add
 
 #elif defined(CONFIG_SH64_PGTABLE_3_LEVEL)
 
-static __inline__ pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
+static inline pmd_t *pmd_alloc_one(struct mm_struct *mm, unsigned long address)
 {
-	pmd_t *pmd;
-	pmd = (pmd_t *) __get_free_page(GFP_KERNEL|__GFP_REPEAT|__GFP_ZERO);
-	return pmd;
+	return quicklist_alloc(0, GFP_KERNEL, NULL);
 }
 
-static __inline__ void pmd_free(pmd_t *pmd)
+static inline void pmd_free(pmd_t *pmd)
 {
-	free_page((unsigned long) pmd);
+	quicklist_free(0, NULL, pmd);
 }
 
 #define pgd_populate(mm, pgd, pmd)	pgd_set(pgd, pmd)
@@ -161,12 +108,6 @@ static __inline__ void pmd_free(pmd_t *pmd)
 #error "No defined page table size"
 #endif
 
-#define check_pgt_cache()		do { } while (0)
-#define pgd_free(pgd)		free_pgd_slow(pgd)
-#define pgd_alloc(mm)		get_pgd_fast()
-
-extern int do_check_pgt_cache(int, int);
-
 #define pmd_populate_kernel(mm, pmd, pte) \
 	set_pmd(pmd, __pmd(_PAGE_TABLE + (unsigned long) (pte)))
 
@@ -176,4 +117,9 @@ static inline void pmd_populate(struct mm_struct *mm, pmd_t *pmd,
 	set_pmd(pmd, __pmd(_PAGE_TABLE + (unsigned long) page_address (pte)));
 }
 
+static inline void check_pgt_cache(void)
+{
+	quicklist_trim(0, NULL, 25, 16);
+}
+
 #endif /* __ASM_SH64_PGALLOC_H */

include/asm-sh64/sci.h

+#include <asm-sh/sci.h>

include/asm-sh64/thread_info.h

@@ -78,7 +78,13 @@ static inline struct thread_info *current_thread_info(void)
 #define TIF_SIGPENDING		2	/* signal pending */
 #define TIF_NEED_RESCHED	3	/* rescheduling necessary */
 #define TIF_MEMDIE		4
+#define TIF_RESTORE_SIGMASK	5	/* Restore signal mask in do_signal */
 
+#define _TIF_SYSCALL_TRACE	(1 << TIF_SYSCALL_TRACE)
+#define _TIF_SIGPENDING		(1 << TIF_SIGPENDING)
+#define _TIF_NEED_RESCHED	(1 << TIF_NEED_RESCHED)
+#define _TIF_MEMDIE		(1 << TIF_MEMDIE)
+#define _TIF_RESTORE_SIGMASK	(1 << TIF_RESTORE_SIGMASK)
 
 #endif /* __KERNEL__ */
 

include/asm-sh64/unistd.h

@@ -9,14 +9,14 @@
  * include/asm-sh64/unistd.h
  *
  * Copyright (C) 2000, 2001  Paolo Alberelli
- * Copyright (C) 2003  Paul Mundt
+ * Copyright (C) 2003 - 2007 Paul Mundt
  * Copyright (C) 2004  Sean McGoogan
  *
  * This file contains the system call numbers.
  *
  */
 
-#define __NR_setup		  0	/* used only by init, to get system going */
+#define __NR_restart_syscall	  0
 #define __NR_exit		  1
 #define __NR_fork		  2
 #define __NR_read		  3
@@ -196,8 +196,8 @@
 #define __NR_rt_sigtimedwait	177
 #define __NR_rt_sigqueueinfo	178
 #define __NR_rt_sigsuspend	179
-#define __NR_pread		180
-#define __NR_pwrite		181
+#define __NR_pread64		180
+#define __NR_pwrite64		181
 #define __NR_chown		182
 #define __NR_getcwd		183
 #define __NR_capget		184
@@ -343,10 +343,41 @@
 #define __NR_inotify_init	318
 #define __NR_inotify_add_watch	319
 #define __NR_inotify_rm_watch	320
+/* 321 is unused */
+#define __NR_migrate_pages	322
+#define __NR_openat		323
+#define __NR_mkdirat		324
+#define __NR_mknodat		325
+#define __NR_fchownat		326
+#define __NR_futimesat		327
+#define __NR_fstatat64		328
+#define __NR_unlinkat		329
+#define __NR_renameat		330
+#define __NR_linkat		331
+#define __NR_symlinkat		332
+#define __NR_readlinkat		333
+#define __NR_fchmodat		334
+#define __NR_faccessat		335
+#define __NR_pselect6		336
+#define __NR_ppoll		337
+#define __NR_unshare		338
+#define __NR_set_robust_list	339
+#define __NR_get_robust_list	340
+#define __NR_splice		341
+#define __NR_sync_file_range	342
+#define __NR_tee		343
+#define __NR_vmsplice		344
+#define __NR_move_pages		345
+#define __NR_getcpu		346
+#define __NR_epoll_pwait	347
+#define __NR_utimensat		348
+#define __NR_signalfd		349
+#define __NR_timerfd		350
+#define __NR_eventfd		351
 
 #ifdef __KERNEL__
 
-#define NR_syscalls 321
+#define NR_syscalls 352
 
 #define __ARCH_WANT_IPC_PARSE_VERSION
 #define __ARCH_WANT_OLD_READDIR

mm/Kconfig

@@ -166,5 +166,5 @@ config ZONE_DMA_FLAG
 config NR_QUICK
 	int
 	depends on QUICKLIST
-	default "2" if SUPERH
+	default "2" if (SUPERH && !SUPERH64)
 	default "1"