Merge http://jdike.stearns.org/updates-2.5

into home.transmeta.com:/home/torvalds/v2.5/linux

arch/um/Makefile

@@ -30,16 +30,11 @@ PROFILE += -pg -DPROFILING
 LINK_PROFILE = $(PROFILE) -Wl,--wrap,__monstartup
 endif
 
-ARCH_SUBDIRS = $(ARCH_DIR)/drivers $(ARCH_DIR)/kernel \
-	$(ARCH_DIR)/sys-$(SUBARCH) $(ARCH_DIR)/os-$(OS)
-
-SUBDIRS += $(ARCH_SUBDIRS)
-
 core-y			+= $(ARCH_DIR)/kernel/		 \
 			   $(ARCH_DIR)/drivers/          \
 			   $(ARCH_DIR)/sys-$(SUBARCH)/
 
-libs-$(CONFIG_PT_PROXY)	+= $(ARCH_DIR)/ptproxy/
+core-$(CONFIG_PT_PROXY)	+= $(ARCH_DIR)/ptproxy/
 
 ARCH_INCLUDE = $(TOPDIR)/$(ARCH_DIR)/include
 

arch/um/drivers/Makefile

@@ -56,8 +56,9 @@ obj-y += stdio_console.o $(CHAN_OBJS)
 
 USER_SINGLE_OBJS = $(foreach f,$(patsubst %.o,%,$(obj-y) $(obj-m)),$($(f)-objs))
 
-USER_OBJS = $(filter %_user.o,$(obj-y) $(obj-m) $(USER_SINGLE_OBJS)) fd.o \
+USER_OBJS := $(filter %_user.o,$(obj-y) $(obj-m) $(USER_SINGLE_OBJS)) fd.o \
 	null.o pty.o tty.o xterm.o
+USER_OBJS := $(foreach file,$(USER_OBJS),arch/um/drivers/$(file))
 
 include $(TOPDIR)/Rules.make
 

arch/um/drivers/chan_kern.c

@@ -395,7 +395,7 @@ int chan_out_fd(struct list_head *chans)
 	return(-1);
 }
 
-void chan_interrupt(struct list_head *chans, struct tq_struct *task,
+void chan_interrupt(struct list_head *chans, struct work_struct *task,
 		    struct tty_struct *tty, int irq, void *dev)
 {
 	struct list_head *ele, *next;
@@ -409,7 +409,7 @@ void chan_interrupt(struct list_head *chans, struct tq_struct *task,
 		do {
 			if((tty != NULL) && 
 			   (tty->flip.count >= TTY_FLIPBUF_SIZE)){
-				queue_task(task, &tq_timer);
+				schedule_work(task);
 				goto out;
 			}
 			err = chan->ops->read(chan->fd, &c, chan->data);

arch/um/drivers/line.c

@@ -215,7 +215,7 @@ int line_open(struct line *lines, struct tty_struct *tty,
 			if(err) goto out;
 		}
 		enable_chan(&line->chan_list, line);
-		INIT_TQUEUE(&line->task, line_timer_cb, line);
+		INIT_WORK(&line->task, line_timer_cb, line);
 	}
 
 	if(!line->sigio){

arch/um/drivers/mconsole_kern.c

@@ -13,7 +13,7 @@
 #include "linux/ctype.h"
 #include "linux/interrupt.h"
 #include "linux/sysrq.h"
-#include "linux/tqueue.h"
+#include "linux/workqueue.h"
 #include "linux/module.h"
 #include "linux/proc_fs.h"
 #include "asm/irq.h"
@@ -42,7 +42,7 @@ static struct notifier_block reboot_notifier = {
 
 LIST_HEAD(mc_requests);
 
-void mc_task_proc(void *unused)
+void mc_work_proc(void *unused)
 {
 	struct mconsole_entry *req;
 	unsigned long flags;
@@ -60,10 +60,7 @@ void mc_task_proc(void *unused)
 	} while(!done);
 }
 
-struct tq_struct mconsole_task = {
-	routine:	mc_task_proc,
-	data: 		NULL
-};
+DECLARE_WORK(mconsole_work, mc_work_proc, NULL);
 
 void mconsole_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 {
@@ -84,7 +81,7 @@ void mconsole_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 			}
 		}
 	}
-	if(!list_empty(&mc_requests)) schedule_task(&mconsole_task);
+	if(!list_empty(&mc_requests)) schedule_work(&mconsole_work);
 	reactivate_fd(fd, MCONSOLE_IRQ);
 }
 

arch/um/drivers/ubd_kern.c

@@ -56,10 +56,10 @@ static int ubd_revalidate(kdev_t rdev);
 #define DEVICE_NR(n) (minor(n) >> UBD_SHIFT)
 
 static struct block_device_operations ubd_blops = {
-        open:		ubd_open,
-        release:	ubd_release,
-        ioctl:		ubd_ioctl,
-        revalidate:	ubd_revalidate,
+        .open =		ubd_open,
+        .release =	ubd_release,
+        .ioctl =	ubd_ioctl,
+        .revalidate =	ubd_revalidate,
 };
 
 static request_queue_t *ubd_queue;
@@ -69,9 +69,9 @@ static struct gendisk *ubd_gendisk[MAX_DEV];
 static struct gendisk *fake_gendisk[MAX_DEV];
  
 #ifdef CONFIG_BLK_DEV_UBD_SYNC
-#define OPEN_FLAGS ((struct openflags) { r : 1, w : 1, s : 1, c : 0 })
+#define OPEN_FLAGS ((struct openflags) { .r = 1, .w = 1, .s = 1, .c = 0 })
 #else
-#define OPEN_FLAGS ((struct openflags) { r : 1, w : 1, s : 0, c : 0 })
+#define OPEN_FLAGS ((struct openflags) { .r = 1, .w = 1, .s = 0, .c = 0 })
 #endif
 
 static struct openflags global_openflags = OPEN_FLAGS;
@@ -99,24 +99,24 @@ struct ubd {
 };
 
 #define DEFAULT_COW { \
-	file:			NULL, \
-        fd:			-1, \
-        bitmap:			NULL, \
-	bitmap_offset:		0, \
-        data_offset:		0, \
+	.file =			NULL, \
+        .fd =			-1, \
+        .bitmap =		NULL, \
+	.bitmap_offset =	0, \
+        .data_offset =		0, \
 }
 
 #define DEFAULT_UBD { \
-	file: 			NULL, \
-	is_dir:			0, \
-	count:			0, \
-	fd:			-1, \
-	size:			-1, \
-	boot_openflags:		OPEN_FLAGS, \
-	openflags:		OPEN_FLAGS, \
-	real:			NULL, \
-	fake:			NULL, \
-        cow:			DEFAULT_COW, \
+	.file = 		NULL, \
+	.is_dir =		0, \
+	.count =		0, \
+	.fd =			-1, \
+	.size =			-1, \
+	.boot_openflags =	OPEN_FLAGS, \
+	.openflags =		OPEN_FLAGS, \
+	.real =			NULL, \
+	.fake =			NULL, \
+        .cow =			DEFAULT_COW, \
 }
 
 struct ubd ubd_dev[MAX_DEV] = { [ 0 ... MAX_DEV - 1 ] = DEFAULT_UBD };
@@ -131,9 +131,9 @@ static int ubd0_init(void)
 __initcall(ubd0_init);
 
 static struct hd_driveid ubd_id = {
-        cyls:		0,
-	heads:		128,
-	sectors:	32,
+        .cyls =		0,
+	.heads =	128,
+	.sectors =	32,
 };
 
 static int fake_ide = 0;
@@ -199,7 +199,7 @@ static int ubd_setup_common(char *str, int *index_out)
 {
 	struct openflags flags = global_openflags;
 	char *backing_file;
-	int i, n;
+	int n;
 
 	if(index_out) *index_out = -1;
 	n = *str++;
@@ -398,7 +398,7 @@ static int ubd_add(int n)
  	devfs_handle_t real, fake;
 	char name[sizeof("nnnnnn\0")];
 	struct ubd *dev = &ubd_dev[n];
-	struct gendisk *disk, *fake_disk;
+	struct gendisk *disk, *fake_disk = NULL;
 	u64 size;
 
 	if (!dev->file)
@@ -410,7 +410,7 @@ static int ubd_add(int n)
 	disk->major = MAJOR_NR;
 	disk->first_minor = n << UBD_SHIFT;
 	disk->minor_shift = UBD_SHIFT;
-	disk->fops = &ubd_fops;
+	disk->fops = &ubd_blops;
 	if (fakehd_set)
 		sprintf(disk->disk_name, "hd%c", n + 'a');
 	else
@@ -425,7 +425,7 @@ static int ubd_add(int n)
 		fake_disk->major = fake_major;
 		fake_disk->first_minor = n << UBD_SHIFT;
 		fake_disk->minor_shift = UBD_SHIFT;
-		fake_disk->fops = &ubd_fops;
+		fake_disk->fops = &ubd_blops;
 		sprintf(fake_disk->disk_name, "ubd%d", n);
 		fake_gendisk[n] = fake_disk;
 	}
@@ -434,6 +434,7 @@ static int ubd_add(int n)
 
 	if (!dev->is_dir && ubd_file_size(dev, &size) == 0) {
 		set_capacity(disk, size/512);
+		if (fake_major)
 			set_capacity(fake_disk, size/512);
 	}
  
@@ -541,7 +542,7 @@ int ubd_init(void)
 	}
 	ubd_queue = BLK_DEFAULT_QUEUE(MAJOR_NR);
 	INIT_QUEUE(ubd_queue, do_ubd_request, &ubd_lock);
-	INIT_ELV(ubd_queue, &ubd_queue->elevator);
+	elevator_init(ubd_queue, &elevator_noop);
 	if(fake_major != 0){
 		char name[sizeof("ubd_nnn\0")];
 
@@ -880,12 +881,13 @@ static int ubd_ioctl(struct inode * inode, struct file * file,
 			return(-EFAULT);
 		return(0);
 	}
+	return(-EINVAL);
 }
 
 static int ubd_revalidate(kdev_t rdev)
 {
 	__u64 size;
-	int n, offset, err;
+	int n, err;
 	struct ubd *dev;
 
 	n = minor(rdev) >> UBD_SHIFT;

arch/um/include/2_5compat.h

@@ -22,9 +22,6 @@
 
 #define INIT_QUEUE(queue, request, lock) blk_init_queue(queue, request, lock)
 
-#define ELV_NOOP elevator_noop
-#define INIT_ELV(queue, elv) elevator_init(queue, elv, ELV_NOOP)
-
 #define INIT_HARDSECT(arr, maj, sizes)
 
 #define SET_PRI(task) do ; while(0)

arch/um/include/chan_kern.h

@@ -22,7 +22,7 @@ struct chan {
 	void *data;
 };
 
-extern void chan_interrupt(struct list_head *chans, struct tq_struct *task,
+extern void chan_interrupt(struct list_head *chans, struct work_struct *task,
 			   struct tty_struct *tty, int irq, void *dev);
 extern int parse_chan_pair(char *str, struct list_head *chans, int pri, 
 			   int device, struct chan_opts *opts);

arch/um/include/line.h

@@ -7,7 +7,7 @@
 #define __LINE_H__
 
 #include "linux/list.h"
-#include "linux/tqueue.h"
+#include "linux/workqueue.h"
 #include "linux/tty.h"
 #include "asm/semaphore.h"
 #include "chan_user.h"
@@ -39,7 +39,7 @@ struct line {
 	char *head;
 	char *tail;
 	int sigio;
-	struct tq_struct task;
+	struct work_struct task;
 	struct line_driver *driver;
 	int have_irq;
 };

arch/um/include/sysdep-ppc/sigcontext.h

@@ -9,7 +9,7 @@
 #define DSISR_WRITE 0x02000000
 
 #define SC_FAULT_ADDR(sc) ({ \
-		struct sigcontext_struct *_sc = (sc); \
+		struct sigcontext *_sc = (sc); \
 		long retval = -1; \
 		switch (_sc->regs->trap) { \
 		case 0x300: \
@@ -27,7 +27,7 @@
 	})
 
 #define SC_FAULT_WRITE(sc) ({ \
-		struct sigcontext_struct *_sc = (sc); \
+		struct sigcontext *_sc = (sc); \
 		long retval = -1; \
 		switch (_sc->regs->trap) { \
 		case 0x300: \

arch/um/kernel/Makefile

@@ -14,8 +14,9 @@ obj-$(CONFIG_BLK_DEV_INITRD) += initrd_kern.o initrd_user.o
 # user_syms.o not included here because Rules.make has its own ideas about
 # building anything in export-objs
 
-USER_OBJS = $(filter %_user.o,$(obj-y)) config.o process.o time.o umid.o \
-	user_util.o user_syms.o helper.o tty_log.o
+USER_OBJS := $(filter %_user.o,$(obj-y)) config.o frame.o helper.o process.o \
+	time.o tty_log.o umid.o user_util.o user_syms.o
+USER_OBJS := $(foreach file,$(USER_OBJS),arch/um/kernel/$(file))
 
 export-objs := ksyms.o process_kern.o signal_kern.o gprof_syms.o gmon_syms.o
 
@@ -44,19 +45,18 @@ include $(TOPDIR)/Rules.make
 $(USER_OBJS) : %.o: %.c
 	$(CC) $(CFLAGS_$@) $(USER_CFLAGS) -c -o $@ $<
 
-unmap.o: unmap.c
+arch/um/kernel/unmap.o: arch/um/kernel/unmap.c
 	$(CC) $(UNMAP_CFLAGS) -c -o $@ $<
 
-frame.o: frame.c
-	$(CC) $(CFLAGS_$@) -c -o $@ $<
-
-unmap_fin.o : unmap.o
+arch/um/kernel/unmap_fin.o : arch/um/kernel/unmap.o
 	ld -r -o $@ $< -lc -L/usr/lib
 
 QUOTE = 'my $$config=`cat $(TOPDIR)/.config`; $$config =~ s/"/\\"/g ; while(<STDIN>) { $$_ =~ s/CONFIG/$$config/; print $$_ }'
 
-config.c : config.c.in $(TOPDIR)/.config
-	$(PERL) -e $(QUOTE) < config.c.in > $@
+arch/um/kernel/config.c : arch/um/kernel/config.c.in $(TOPDIR)/.config
+	$(PERL) -e $(QUOTE) < arch/um/kernel/config.c.in > $@
+
+arch/um/kernel/config.o : arch/um/kernel/config.c
 
 clean:
 	rm -f config.c

arch/um/kernel/process_kern.c

@@ -234,7 +234,8 @@ void *switch_to(void *prev, void *next, void *last)
 		panic("write of switch_pipe failed, errno = %d", -err);
 
 	reading = 1;
-	if(from->state == TASK_ZOMBIE) os_kill_process(os_getpid());
+	if((from->state == TASK_ZOMBIE) || (from->state == TASK_DEAD))
+		os_kill_process(os_getpid());
 
 	err = user_read(from->thread.switch_pipe[0], &c, sizeof(c));
 	if(err != sizeof(c))

arch/um/kernel/signal_kern.c

@@ -101,12 +101,12 @@ static int handle_signal(struct pt_regs *regs, unsigned long signr,
 		ka->sa.sa_handler = SIG_DFL;
 
 	if (!(ka->sa.sa_flags & SA_NODEFER)) {
-		spin_lock_irq(&current->sigmask_lock);
+		spin_lock_irq(&current->sig->siglock);
 		sigorsets(&current->blocked, &current->blocked, 
 			  &ka->sa.sa_mask);
 		sigaddset(&current->blocked, signr);
 		recalc_sigpending();
-		spin_unlock_irq(&current->sigmask_lock);
+		spin_unlock_irq(&current->sig->siglock);
 	}
 
 	sp = PT_REGS_SP(regs);
@@ -188,11 +188,11 @@ int sys_sigsuspend(int history0, int history1, old_sigset_t mask)
 	sigset_t saveset;
 
 	mask &= _BLOCKABLE;
-	spin_lock_irq(&current->sigmask_lock);
+	spin_lock_irq(&current->sig->siglock);
 	saveset = current->blocked;
 	siginitset(&current->blocked, mask);
 	recalc_sigpending();
-	spin_unlock_irq(&current->sigmask_lock);
+	spin_unlock_irq(&current->sig->siglock);
 
 	while (1) {
 		current->state = TASK_INTERRUPTIBLE;
@@ -214,11 +214,11 @@ int sys_rt_sigsuspend(sigset_t *unewset, size_t sigsetsize)
 		return -EFAULT;
 	sigdelsetmask(&newset, ~_BLOCKABLE);
 
-	spin_lock_irq(&current->sigmask_lock);
+	spin_lock_irq(&current->sig->siglock);
 	saveset = current->blocked;
 	current->blocked = newset;
 	recalc_sigpending();
-	spin_unlock_irq(&current->sigmask_lock);
+	spin_unlock_irq(&current->sig->siglock);
 
 	while (1) {
 		current->state = TASK_INTERRUPTIBLE;
@@ -234,13 +234,13 @@ int sys_sigreturn(struct pt_regs regs)
 	void *mask = sp_to_mask(PT_REGS_SP(&regs));
 	int sig_size = (_NSIG_WORDS - 1) * sizeof(unsigned long);
 
-	spin_lock_irq(&current->sigmask_lock);
+	spin_lock_irq(&current->sig->siglock);
 	copy_from_user(&current->blocked.sig[0], sc_sigmask(sc), 
 		       sizeof(current->blocked.sig[0]));
 	copy_from_user(&current->blocked.sig[1], mask, sig_size);
 	sigdelsetmask(&current->blocked, ~_BLOCKABLE);
 	recalc_sigpending();
-	spin_unlock_irq(&current->sigmask_lock);
+	spin_unlock_irq(&current->sig->siglock);
 	copy_sc_from_user(current->thread.regs.regs.sc, sc,
 			  &signal_frame_sc.arch);
 	return(PT_REGS_SYSCALL_RET(&current->thread.regs));
@@ -252,11 +252,11 @@ int sys_rt_sigreturn(struct pt_regs regs)
 	void *mask = sp_to_rt_mask(PT_REGS_SP(&regs));
 	int sig_size = _NSIG_WORDS * sizeof(unsigned long);
 
-	spin_lock_irq(&current->sigmask_lock);
+	spin_lock_irq(&current->sig->siglock);
 	copy_from_user(&current->blocked, mask, sig_size);
 	sigdelsetmask(&current->blocked, ~_BLOCKABLE);
 	recalc_sigpending();
-	spin_unlock_irq(&current->sigmask_lock);
+	spin_unlock_irq(&current->sig->siglock);
 	copy_sc_from_user(current->thread.regs.regs.sc, sc,
 			  &signal_frame_sc.arch);
 	return(PT_REGS_SYSCALL_RET(&current->thread.regs));

arch/um/kernel/tlb.c

@@ -6,9 +6,9 @@
 #include "linux/sched.h"
 #include "linux/slab.h"
 #include "linux/bootmem.h"
+#include "asm/pgalloc.h"
 #include "asm-generic/tlb.h"
 #include "asm/pgtable.h"
-#include "asm/pgalloc.h"
 #include "asm/a.out.h"
 #include "asm/processor.h"
 #include "asm/mmu_context.h"

arch/um/kernel/trap_user.c

@@ -417,7 +417,7 @@ int nsegfaults = 0;
 
 void segv_handler(int sig, struct uml_pt_regs *regs)
 {
-	struct sigcontext_struct *context = regs->sc;
+	struct sigcontext *context = regs->sc;
 	int index;
 
 	if(regs->is_user && !SEGV_IS_FIXABLE(context)){

arch/um/ptproxy/Makefile

-LIB = lib.a
+obj-y = proxy.o ptrace.o sysdep.o wait.o
 
-OBJS = proxy.o ptrace.o sysdep.o wait.o
+USER_OBJS := $(foreach file,$(obj-y),arch/um/ptproxy/$(file))
 
-all: $(LIB)
-
-$(LIB): $(OBJS)
-	rm -f $@
-	ar cr $@ $^
-
-proxy.o: proxy.c
-	$(CC) $(USER_CFLAGS) $(EXTRA_CFLAGS) -c -o $@ $<
-
-ptrace.o: ptrace.c
-	$(CC) $(USER_CFLAGS) $(EXTRA_CFLAGS) -c -o $@ $<
-
-sysdep.o: sysdep.c
-	$(CC) $(USER_CFLAGS) $(EXTRA_CFLAGS) -c -o $@ $<
+include $(TOPDIR)/Rules.make
 
-wait.o: wait.c
-	$(CC) $(USER_CFLAGS) $(EXTRA_CFLAGS) -c -o $@ $<
+$(USER_OBJS) : %.o: %.c
+	$(CC) $(CFLAGS_$@) $(USER_CFLAGS) -c -o $@ $<
 
 clean:
 	rm -f *.o core child ptproxy
 
-include $(TOPDIR)/Rules.make

arch/um/sys-i386/Makefile

-
 obj-y = bugs.o checksum.o extable.o fault.o ksyms.o ldt.o old-checksum.o \
 	ptrace.o ptrace_user.o semaphore.o sigcontext.o syscalls.o sysrq.o
 
 export-objs = ksyms.o
 
-USER_OBJS = bugs.o ptrace_user.o sigcontext.o fault.o
+USER_OBJS := bugs.o ptrace_user.o sigcontext.o fault.o
+USER_OBJS := $(foreach file,$(USER_OBJS),arch/um/sys-i386/$(file))
 
 SYMLINKS = semaphore.c old-checksum.c checksum.S extable.c
 
@@ -13,17 +13,17 @@ include $(TOPDIR)/Rules.make
 $(USER_OBJS) : %.o: %.c
 	$(CC) $(CFLAGS_$@) $(USER_CFLAGS) -c -o $@ $<
 
-checksum.S old-checksum.c: 
+arch/um/sys-i386/checksum.S arch/um/sys-i386/old-checksum.c: 
 	-rm -f $@
-	-ln -s $(TOPDIR)/arch/i386/lib/$@ $@
+	-ln -s $(TOPDIR)/arch/i386/lib/$(notdir $@) $@
 
-semaphore.c:
+arch/um/sys-i386/semaphore.c:
 	-rm -f $@
-	-ln -s $(TOPDIR)/arch/i386/kernel/$@ $@
+	-ln -s $(TOPDIR)/arch/i386/kernel/$(notdir $@) $@
 
-extable.c:
+arch/um/sys-i386/extable.c:
 	-rm -f $@
-	-ln -s $(TOPDIR)/arch/i386/mm/$@ $@
+	-ln -s $(TOPDIR)/arch/i386/mm/$(notdir $@) $@
 
 clean:
 	$(MAKE) -C util clean

arch/um/util/Makefile

+include $(TOPDIR)/Rules.make
+
 all : mk_task
 
 mk_task : mk_task_user.o mk_task_kern.o
@@ -6,9 +8,6 @@ mk_task : mk_task_user.o mk_task_kern.o
 mk_task_user.o : mk_task_user.c
 	$(CC) -c $< 
 
-mk_task_kern.o : mk_task_kern.c
-	$(CC) $(CFLAGS) -c $< 
-
 clean :
 	$(RM) mk_task *.o *~
 

include/asm-um/topology.h

+#ifndef _ASM_UM_TOPOLOGY_H
+#define _ASM_UM_TOPOLOGY_H
+
+#include <asm-generic/topology.h>
+
+#endif