[PATCH] x86-64 update

Just make x86-64/amd64 compile again.  Only architecture specific
changes.

And a workaround for the Opteron prefetch bug.

Also remove the obsolete LVM1 ioctl emulation code.

arch/x86_64/ia32/ia32_ioctl.c

@@ -63,12 +63,6 @@
 #include <linux/ctype.h>
 #include <net/bluetooth/bluetooth.h>
 #include <net/bluetooth/rfcomm.h>
-#if defined(CONFIG_BLK_DEV_LVM) || defined(CONFIG_BLK_DEV_LVM_MODULE)
-/* Ugh. This header really is not clean */
-#define min min
-#define max max
-#include <linux/lvm.h>
-#endif /* LVM */
 
 #include <scsi/scsi.h>
 /* Ugly hack. */
@@ -2340,445 +2334,6 @@ static int do_atm_ioctl(unsigned int fd, unsigned int cmd32, unsigned long arg)
         return -EINVAL;
 }
 
-#if defined(CONFIG_BLK_DEV_LVM) || defined(CONFIG_BLK_DEV_LVM_MODULE)
-/* Ugh, LVM. Pitty it was not cleaned up before accepted :((. */
-/* AK: dev_t/kdev_t use here is somewhat dubious */
-typedef struct {
-	uint8_t vg_name[NAME_LEN];
-	uint32_t vg_number;
-	uint32_t vg_access;
-	uint32_t vg_status;
-	uint32_t lv_max;
-	uint32_t lv_cur;
-	uint32_t lv_open;
-	uint32_t pv_max;
-	uint32_t pv_cur;
-	uint32_t pv_act;
-	uint32_t dummy;
-	uint32_t vgda;
-	uint32_t pe_size;
-	uint32_t pe_total;
-	uint32_t pe_allocated;
-	uint32_t pvg_total;
-	u32 proc;
-	u32 pv[ABS_MAX_PV + 1];
-	u32 lv[ABS_MAX_LV + 1];
-    	uint8_t vg_uuid[UUID_LEN+1];	/* volume group UUID */
-	uint8_t dummy1[200];
-} vg32_t;
-
-typedef struct {
-	uint8_t id[2];
-	uint16_t version;
-	lvm_disk_data_t pv_on_disk;
-	lvm_disk_data_t vg_on_disk;
-	lvm_disk_data_t pv_namelist_on_disk;
-	lvm_disk_data_t lv_on_disk;
-	lvm_disk_data_t pe_on_disk;
-	uint8_t pv_name[NAME_LEN];
-	uint8_t vg_name[NAME_LEN];
-	uint8_t system_id[NAME_LEN];
-	__u32 pv_dev;
-	uint32_t pv_number;
-	uint32_t pv_status;
-	uint32_t pv_allocatable;
-	uint32_t pv_size;
-	uint32_t lv_cur;
-	uint32_t pe_size;
-	uint32_t pe_total;
-	uint32_t pe_allocated;
-	uint32_t pe_stale;
-	u32 pe;
-	u32 inode;
-	uint8_t pv_uuid[UUID_LEN+1];
-} pv32_t;
-
-typedef struct {
-	char lv_name[NAME_LEN];
-	u32 lv;
-} lv_req32_t;
-
-typedef struct {
-	u32 lv_index;
-	u32 lv;
-	/* Transfer size because user space and kernel space differ */
-	uint16_t size;
-} lv_status_byindex_req32_t;
-
-typedef struct {
-	dev_t dev;
-	u32   lv;
-} lv_status_bydev_req32_t;
-
-typedef struct {
-	uint8_t lv_name[NAME_LEN];
-	kdev_t old_dev;
-	kdev_t new_dev;
-	u32 old_pe;
-	u32 new_pe;
-} le_remap_req32_t;
-
-typedef struct {
-	char pv_name[NAME_LEN];
-	u32 pv;
-} pv_status_req32_t;
-
-typedef struct {
-	uint8_t lv_name[NAME_LEN];
-	uint8_t vg_name[NAME_LEN];
-	uint32_t lv_access;
-	uint32_t lv_status;
-	uint32_t lv_open;
-	kdev_t lv_dev;
-	uint32_t lv_number;
-	uint32_t lv_mirror_copies;
-	uint32_t lv_recovery;
-	uint32_t lv_schedule;
-	uint32_t lv_size;
-	u32 lv_current_pe;
-	uint32_t lv_current_le;
-	uint32_t lv_allocated_le;
-	uint32_t lv_stripes;
-	uint32_t lv_stripesize;
-	uint32_t lv_badblock;
-	uint32_t lv_allocation;
-	uint32_t lv_io_timeout;
-	uint32_t lv_read_ahead;
-	/* delta to version 1 starts here */
-	u32 lv_snapshot_org;
-	u32 lv_snapshot_prev;
-	u32 lv_snapshot_next;
-	u32 lv_block_exception;
-	uint32_t lv_remap_ptr;
-	uint32_t lv_remap_end;
-	uint32_t lv_chunk_size;
-	uint32_t lv_snapshot_minor;
-	char dummy[200];
-} lv32_t;
-
-typedef struct {
-	u32 hash[2];
-	u32 rsector_org;
-	kdev_t rdev_org;
-	u32 rsector_new;
-	kdev_t rdev_new;
-} lv_block_exception32_t;
-
-static void put_lv_t(lv_t *l)
-{
-	if (l->lv_current_pe) vfree(l->lv_current_pe);
-	if (l->lv_block_exception) vfree(l->lv_block_exception);
-	kfree(l);
-}
-
-static lv_t *get_lv_t(u32 p, int *errp)
-{
-	int err, i;
-	u32 ptr1, ptr2;
-	size_t size;
-	lv_block_exception32_t *lbe32;
-	lv_block_exception_t *lbe;
-	lv32_t *ul = (lv32_t *)A(p);
-	lv_t *l = (lv_t *) kmalloc(sizeof(lv_t), GFP_KERNEL);
-
-	if (!l) {
-		*errp = -ENOMEM;
-		return NULL;
-	}
-	memset(l, 0, sizeof(lv_t));
-	err = copy_from_user(l, ul, (long)&((lv32_t *)0)->lv_current_pe);
-	err |= __copy_from_user(&l->lv_current_le, &ul->lv_current_le,
-				((long)&ul->lv_snapshot_org) - ((long)&ul->lv_current_le));
-	err |= __copy_from_user(&l->lv_remap_ptr, &ul->lv_remap_ptr,
-				((long)&ul->dummy[0]) - ((long)&ul->lv_remap_ptr));
-	err |= __get_user(ptr1, &ul->lv_current_pe);
-	err |= __get_user(ptr2, &ul->lv_block_exception);
-	if (err) {
-		kfree(l);
-		*errp = -EFAULT;
-		return NULL;
-	}
-	if (ptr1) {
-		size = l->lv_allocated_le * sizeof(pe_t);
-		l->lv_current_pe = vmalloc(size);
-		if (l->lv_current_pe)
-			err = copy_from_user(l->lv_current_pe, (void *)A(ptr1), size);
-	}
-	if (!err && ptr2) {
-		size = l->lv_remap_end * sizeof(lv_block_exception_t);
-		l->lv_block_exception = lbe = vmalloc(size);
-		if (l->lv_block_exception) {
-			lbe32 = (lv_block_exception32_t *)A(ptr2);
-			memset(lbe, 0, size);
-                       for (i = 0; i < l->lv_remap_end; i++, lbe++, lbe32++) {
-                               err |= get_user(lbe->rsector_org, &lbe32->rsector_org);
-                               err |= __get_user(lbe->rdev_org, &lbe32->rdev_org);
-                               err |= __get_user(lbe->rsector_new, &lbe32->rsector_new);
-                               err |= __get_user(lbe->rdev_new, &lbe32->rdev_new);
-			}
-		}
-	}
-	if (err || (ptr1 && !l->lv_current_pe) || (ptr2 && !l->lv_block_exception)) {
-		if (!err)
-			*errp = -ENOMEM;
-		else
-			*errp = -EFAULT;
-		put_lv_t(l);
-		return NULL;
-	}
-	return l;
-}
-
-static int copy_lv_t(u32 ptr, lv_t *l)
-{
-	int err;
-	lv32_t *ul = (lv32_t *)A(ptr);
-	u32 ptr1;
-	size_t size;
-
-	err = get_user(ptr1, &ul->lv_current_pe);
-	if (err)
-		return -EFAULT;
-	err = copy_to_user(ul, l, (long)&((lv32_t *)0)->lv_current_pe);
-	err |= __copy_to_user(&ul->lv_current_le, &l->lv_current_le,
-				((long)&ul->lv_snapshot_org) - ((long)&ul->lv_current_le));
-	err |= __copy_to_user(&ul->lv_remap_ptr, &l->lv_remap_ptr,
-				((long)&ul->dummy[0]) - ((long)&ul->lv_remap_ptr));
-	size = l->lv_allocated_le * sizeof(pe_t);
-	if (ptr1)
-		err |= __copy_to_user((void *)A(ptr1), l->lv_current_pe, size);
-	return err ? -EFAULT : 0;
-}
-
-static int do_lvm_ioctl(unsigned int fd, unsigned int cmd, unsigned long arg)
-{
-	vg_t *v = NULL;
-	union {
-		lv_req_t lv_req;
-		le_remap_req_t le_remap;
-		lv_status_byindex_req_t lv_byindex;
-	        lv_status_bydev_req_t lv_bydev;
-		pv_status_req_t pv_status;
-	} u;
-	pv_t p;
-	int err;
-	u32 ptr = 0;
-	int i;
-	mm_segment_t old_fs;
-	void *karg = &u;
-
-	switch (cmd) {
-	case VG_STATUS:
-		v = kmalloc(sizeof(vg_t), GFP_KERNEL);
-		if (!v)
-			return -ENOMEM;
-		karg = v;
-		break;
-
-	case VG_CREATE_OLD:
-	case VG_CREATE:
-		v = kmalloc(sizeof(vg_t), GFP_KERNEL);
-		if (!v)
-			return -ENOMEM;
-		if (copy_from_user(v, (void *)arg, (long)&((vg32_t *)0)->proc)) {
-			kfree(v);
-			return -EFAULT;
-		}
-		/* 'proc' field is unused, just NULL it out. */
-		v->proc = NULL;
-		if (copy_from_user(v->vg_uuid, ((vg32_t *)arg)->vg_uuid, UUID_LEN+1)) {
-			kfree(v);
-			return -EFAULT;
-		}
-		    
-		karg = v;
-		memset(v->pv, 0, sizeof(v->pv) + sizeof(v->lv));
-		if (v->pv_max > ABS_MAX_PV || v->lv_max > ABS_MAX_LV)
-			return -EPERM;
-		for (i = 0; i < v->pv_max; i++) {
-			err = __get_user(ptr, &((vg32_t *)arg)->pv[i]);
-			if (err)
-				break;
-			if (ptr) {
-				v->pv[i] = kmalloc(sizeof(pv_t), GFP_KERNEL);
-				if (!v->pv[i]) {
-					err = -ENOMEM;
-					break;
-				}
-				err = copy_from_user(v->pv[i], (void *)A(ptr),
-						     sizeof(pv32_t) - 8 - UUID_LEN+1);
-				if (err) {
-					err = -EFAULT;
-					break;
-				}
-				err = copy_from_user(v->pv[i]->pv_uuid,
-						     ((pv32_t *)A(ptr))->pv_uuid,
-						     UUID_LEN+1);
-				if (err) {
-				        err = -EFAULT;
-					break;
-				}
-
-				v->pv[i]->pe = NULL;
-				v->pv[i]->bd = NULL;
-			}
-		}
-		if (!err) {
-			for (i = 0; i < v->lv_max; i++) {
-				err = __get_user(ptr, &((vg32_t *)arg)->lv[i]);
-				if (err)
-					break;
-				if (ptr) {
-					v->lv[i] = get_lv_t(ptr, &err);
-					if (err)
-						break;
-				}
-			}
-		}
-		break;
-
-	case LV_CREATE:
-	case LV_EXTEND:
-	case LV_REDUCE:
-	case LV_REMOVE:
-	case LV_RENAME:
-	case LV_STATUS_BYNAME:
-	        err = copy_from_user(&u.pv_status, (void*)arg, sizeof(u.pv_status.pv_name));
-		if (err)
-			return -EFAULT;
-		if (cmd != LV_REMOVE) {
-			err = __get_user(ptr, &((lv_req32_t *)arg)->lv);
-			if (err)
-				return err;
-			u.lv_req.lv = get_lv_t(ptr, &err);
-		} else
-			u.lv_req.lv = NULL;
-		break;
-
-	case LV_STATUS_BYINDEX:
-		err = get_user(u.lv_byindex.lv_index,
-			       &((lv_status_byindex_req32_t *)arg)->lv_index);
-		err |= __get_user(ptr, &((lv_status_byindex_req32_t *)arg)->lv);
-		if (err)
-			return err;
-		u.lv_byindex.lv = get_lv_t(ptr, &err);
-		break;
-
-	case LV_STATUS_BYDEV:
-	        err = get_user(u.lv_bydev.dev, &((lv_status_bydev_req32_t *)arg)->dev);
-		err |= __get_user(ptr, &((lv_status_bydev_req32_t *)arg)->lv);
-		if (err)
-			return err;
-		u.lv_bydev.lv = get_lv_t(ptr, &err);
-		break;		
-
-	case VG_EXTEND:
-		err = copy_from_user(&p, (void *)arg, sizeof(pv32_t) - 8 - UUID_LEN+1);
-		if (err)
-			return -EFAULT;
-		err = copy_from_user(p.pv_uuid, ((pv32_t *)arg)->pv_uuid, UUID_LEN+1);
-		if (err)
-			return -EFAULT;
-		p.pe = NULL;
-		p.bd = NULL;
-		karg = &p;
-		break;
-
-	case PV_CHANGE:
-	case PV_STATUS:
-		err = copy_from_user(&u.pv_status, (void*)arg, sizeof(u.lv_req.lv_name));
-		if (err)
-			return -EFAULT;
-		err = __get_user(ptr, &((pv_status_req32_t *)arg)->pv);
-		if (err)
-			return err;
-		u.pv_status.pv = &p;
-		if (cmd == PV_CHANGE) {
-			err = copy_from_user(&p, (void *)A(ptr),
-					     sizeof(pv32_t) - 8 - UUID_LEN+1);
-			if (err)
-				return -EFAULT;
-			p.pe = NULL;
-			p.bd = NULL;
-		}
-		break;
-	};
-
-        old_fs = get_fs(); set_fs (KERNEL_DS);
-        err = sys_ioctl (fd, cmd, (unsigned long)karg);
-        set_fs (old_fs);
-
-	switch (cmd) {
-	case VG_STATUS:
-		if (!err) {
-			if (copy_to_user((void *)arg, v, (long)&((vg32_t *)0)->proc) ||
-			    clear_user(&((vg32_t *)arg)->proc, sizeof(vg32_t) - (long)&((vg32_t *)0)->proc))
-				err = -EFAULT;
-		}
-		if (copy_to_user(((vg32_t *)arg)->vg_uuid, v->vg_uuid, UUID_LEN+1)) {
-		        err = -EFAULT;
-		}
-		kfree(v);
-		break;
-
-	case VG_CREATE_OLD:
-	case VG_CREATE:
-		for (i = 0; i < v->pv_max; i++) {
-			if (v->pv[i])
-				kfree(v->pv[i]);
-		}
-		for (i = 0; i < v->lv_max; i++) {
-			if (v->lv[i])
-				put_lv_t(v->lv[i]);
-		}
-		kfree(v);
-		break;
-
-	case LV_STATUS_BYNAME:
-		if (!err && u.lv_req.lv)
-			err = copy_lv_t(ptr, u.lv_req.lv);
-		/* Fall through */
-
-        case LV_CREATE:
-	case LV_EXTEND:
-	case LV_REDUCE:
-		if (u.lv_req.lv)
-			put_lv_t(u.lv_req.lv);
-		break;
-
-	case LV_STATUS_BYINDEX:
-		if (u.lv_byindex.lv) {
-			if (!err)
-				err = copy_lv_t(ptr, u.lv_byindex.lv);
-			put_lv_t(u.lv_byindex.lv);
-		}
-		break;
-
-	case LV_STATUS_BYDEV:
-	        if (u.lv_bydev.lv) {
-			if (!err)
-				err = copy_lv_t(ptr, u.lv_bydev.lv);
-			put_lv_t(u.lv_byindex.lv);
-	        }
-	        break;
-
-	case PV_STATUS:
-		if (!err) {
-			err = copy_to_user((void *)A(ptr), &p, sizeof(pv32_t) - 8 - UUID_LEN+1);
-			if (err)
-				return -EFAULT;
-			err = copy_to_user(((pv_t *)A(ptr))->pv_uuid, p.pv_uuid, UUID_LEN + 1);
-			if (err)
-				return -EFAULT;
-	}
-		break;
-	};
-
-	return err;
-}
-#endif
-
-
 static int ret_einval(unsigned int fd, unsigned int cmd, unsigned long arg)
 {
 	return -EINVAL;

arch/x86_64/ia32/sys_ia32.c

@@ -855,28 +855,14 @@ asmlinkage long sys32_time(int * tloc)
 	return i;
 }
 
-asmlinkage long
-sys32_waitpid(compat_pid_t pid, unsigned int *stat_addr, int options)
-{
-	return compat_sys_wait4(pid, stat_addr, options, NULL);
-}
-
-
 extern asmlinkage long
-sys_getrusage(int who, struct rusage *ru);
+compat_sys_wait4(compat_pid_t pid, compat_uint_t * stat_addr, int options,
+		 struct compat_rusage *ru);
 
 asmlinkage long
-sys32_getrusage(int who, struct rusage32 *ru)
+sys32_waitpid(compat_pid_t pid, unsigned int *stat_addr, int options)
 {
-	struct rusage r;
-	int ret;
-	mm_segment_t old_fs = get_fs();
-		
-	set_fs (KERNEL_DS);
-	ret = sys_getrusage(who, &r);
-	set_fs (old_fs);
-	if (put_rusage (ru, &r)) return -EFAULT;
-	return ret;
+	return compat_sys_wait4(pid, stat_addr, options, NULL);
 }
 
 int sys32_ni_syscall(int call)

arch/x86_64/kernel/irq.c

@@ -74,7 +74,7 @@ static void register_irq_proc (unsigned int irq);
  * Special irq handlers.
  */
 
-void no_action(int cpl, void *dev_id, struct pt_regs *regs) { }
+irqreturn_t no_action(int cpl, void *dev_id, struct pt_regs *regs) { return IRQ_NONE; }
 
 /*
  * Generic no controller code
@@ -433,7 +433,7 @@ asmlinkage unsigned int do_IRQ(struct pt_regs *regs)
  */
  
 int request_irq(unsigned int irq, 
-		void (*handler)(int, void *, struct pt_regs *),
+		irqreturn_t (*handler)(int, void *, struct pt_regs *),
 		unsigned long irqflags, 
 		const char * devname,
 		void *dev_id)

arch/x86_64/kernel/time.c

@@ -195,7 +195,7 @@ static void set_rtc_mmss(unsigned long nowtime)
 	spin_unlock(&rtc_lock);
 }
 
-static void timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+static irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 {
 	static unsigned long rtc_update = 0;
 
@@ -255,6 +255,8 @@ static void timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 	}
  
 	write_sequnlock(&xtime_lock);
+
+	return IRQ_HANDLED;
 }
 
 unsigned long get_cmos_time(void)

include/asm-x86_64/floppy.h

@@ -51,7 +51,7 @@ static char *virtual_dma_addr;
 static int virtual_dma_mode;
 static int doing_pdma;
 
-static void floppy_hardint(int irq, void *dev_id, struct pt_regs * regs)
+static irqreturn_t floppy_hardint(int irq, void *dev_id, struct pt_regs * regs)
 {
 	register unsigned char st;
 
@@ -109,12 +109,14 @@ static void floppy_hardint(int irq, void *dev_id, struct pt_regs * regs)
 #endif
 		doing_pdma = 0;
 		floppy_interrupt(irq, dev_id, regs);
-		return;
+		return IRQ_HANDLED;
 	}
 #ifdef TRACE_FLPY_INT
 	if(!virtual_dma_count)
 		dma_wait++;
 #endif
+
+	return IRQ_HANDLED;
 }
 
 static void fd_disable_dma(void)

include/asm-x86_64/mpspec.h

@@ -198,6 +198,8 @@ extern void mp_parse_prt (void);
 #endif /*CONFIG_X86_IO_APIC*/
 #endif
 
+extern void mp_config_ioapic_for_sci(int irq);
+
 extern int using_apic_timer;
 
 #endif

include/asm-x86_64/msr.h

@@ -228,6 +228,9 @@ extern inline unsigned int cpuid_edx(unsigned int op)
 
 /* VIA Cyrix defined MSRs*/
 #define MSR_VIA_FCR			0x1107
+#define MSR_VIA_LONGHAUL		0x110a
+#define MSR_VIA_RNG			0x110b
+#define MSR_VIA_BCR2			0x1147
 
 /* Intel defined MSRs. */
 #define MSR_IA32_P5_MC_ADDR		0

include/asm-x86_64/processor.h

@@ -304,11 +304,16 @@ extern inline void sync_core(void)
 
 #define cpu_has_fpu 1
 
+#if 0
+/* disabled for now to work around opteron errata #91. Also gcc 3.2
+   doesn't like this in some cases. */
 #define ARCH_HAS_PREFETCH
+#define prefetch(x) __builtin_prefetch((x),0,1)
+#endif
+
 #define ARCH_HAS_PREFETCHW
 #define ARCH_HAS_SPINLOCK_PREFETCH
 
-#define prefetch(x) __builtin_prefetch((x),0,1)
 #define prefetchw(x) __builtin_prefetch((x),1,1)
 #define spin_lock_prefetch(x)  prefetchw(x)
 #define cpu_relax()   rep_nop()

include/asm-x86_64/vsyscall.h

 #ifndef _ASM_X86_64_VSYSCALL_H_
 #define _ASM_X86_64_VSYSCALL_H_
 
-#include <linux/time.h>
 #include <linux/seqlock.h>
 
 enum vsyscall_num {