---

yaml
---
r: 64458
b: refs/heads/master
c: dfa70f8
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: d96a2a5c6479342229416565944b56bc7a2b1a60
+refs/heads/master: dfa70f81a05fa857fb1428ac2a88da84ecd50dd9

trunk/Documentation/feature-removal-schedule.txt

@@ -197,14 +197,6 @@ Who:	Len Brown <len.brown@intel.com>
 
 ---------------------------
 
-What:	/proc/acpi/event
-When:	February 2008
-Why:	/proc/acpi/event has been replaced by events via the input layer
-	and netlink since 2.6.23.
-Who:	Len Brown <len.brown@intel.com>
-
----------------------------
-
 What:	Compaq touchscreen device emulation
 When:	Oct 2007
 Files:	drivers/input/tsdev.c

trunk/Documentation/kernel-parameters.txt

@@ -952,10 +952,14 @@ and is between 256 and 4096 characters. It is defined in the file
 			Format: <1-256>
 
 	maxcpus=	[SMP] Maximum number of processors that	an SMP kernel
-			should make use of.  maxcpus=n : n >= 0 limits the
-			kernel to using 'n' processors.  n=0 is a special case,
-			it is equivalent to "nosmp", which also disables
-			the IO APIC.
+			should make use of.
+			Using "nosmp" or "maxcpus=0" will disable SMP
+			entirely (the MPS table probe still happens, though).
+			A command-line option of "maxcpus=<NUM>", where <NUM>
+			is an integer greater than 0, limits the maximum number
+			of CPUs activated in SMP mode to <NUM>.
+			Using "maxcpus=1" on an SMP kernel is the trivial
+			case of an SMP kernel with only one CPU.
 
 	max_addr=[KMG]	[KNL,BOOT,ia64] All physical memory greater than or
 			equal to this physical address is ignored.
@@ -1180,8 +1184,7 @@ and is between 256 and 4096 characters. It is defined in the file
 
 	nosep		[BUGS=X86-32] Disables x86 SYSENTER/SYSEXIT support.
 
-	nosmp		[SMP] Tells an SMP kernel to act as a UP kernel,
-			and disable the IO APIC.  legacy for "maxcpus=0".
+	nosmp		[SMP] Tells an SMP kernel to act as a UP kernel.
 
 	nosoftlockup	[KNL] Disable the soft-lockup detector.
 
@@ -1823,10 +1826,6 @@ and is between 256 and 4096 characters. It is defined in the file
 			-1: disable all active trip points in all thermal zones
 			<degrees C>: override all lowest active trip points
 
-	thermal.crt=	[HW,ACPI]
-			-1: disable all critical trip points in all thermal zones
-			<degrees C>: lower all critical trip points
-
 	thermal.nocrt=	[HW,ACPI]
 			Set to disable actions on ACPI thermal zone
 			critical and hot trip points.

trunk/arch/i386/boot/boot.h

@@ -87,7 +87,7 @@ static inline void set_fs(u16 seg)
 static inline u16 fs(void)
 {
 	u16 seg;
-	asm volatile("movw %%fs,%0" : "=rm" (seg));
+	asm("movw %%fs,%0" : "=rm" (seg));
 	return seg;
 }
 
@@ -98,7 +98,7 @@ static inline void set_gs(u16 seg)
 static inline u16 gs(void)
 {
 	u16 seg;
-	asm volatile("movw %%gs,%0" : "=rm" (seg));
+	asm("movw %%gs,%0" : "=rm" (seg));
 	return seg;
 }
 
@@ -107,19 +107,19 @@ typedef unsigned int addr_t;
 static inline u8 rdfs8(addr_t addr)
 {
 	u8 v;
-	asm volatile("movb %%fs:%1,%0" : "=r" (v) : "m" (*(u8 *)addr));
+	asm("movb %%fs:%1,%0" : "=r" (v) : "m" (*(u8 *)addr));
 	return v;
 }
 static inline u16 rdfs16(addr_t addr)
 {
 	u16 v;
-	asm volatile("movw %%fs:%1,%0" : "=r" (v) : "m" (*(u16 *)addr));
+	asm("movw %%fs:%1,%0" : "=r" (v) : "m" (*(u16 *)addr));
 	return v;
 }
 static inline u32 rdfs32(addr_t addr)
 {
 	u32 v;
-	asm volatile("movl %%fs:%1,%0" : "=r" (v) : "m" (*(u32 *)addr));
+	asm("movl %%fs:%1,%0" : "=r" (v) : "m" (*(u32 *)addr));
 	return v;
 }
 
@@ -139,19 +139,19 @@ static inline void wrfs32(u32 v, addr_t addr)
 static inline u8 rdgs8(addr_t addr)
 {
 	u8 v;
-	asm volatile("movb %%gs:%1,%0" : "=r" (v) : "m" (*(u8 *)addr));
+	asm("movb %%gs:%1,%0" : "=r" (v) : "m" (*(u8 *)addr));
 	return v;
 }
 static inline u16 rdgs16(addr_t addr)
 {
 	u16 v;
-	asm volatile("movw %%gs:%1,%0" : "=r" (v) : "m" (*(u16 *)addr));
+	asm("movw %%gs:%1,%0" : "=r" (v) : "m" (*(u16 *)addr));
 	return v;
 }
 static inline u32 rdgs32(addr_t addr)
 {
 	u32 v;
-	asm volatile("movl %%gs:%1,%0" : "=r" (v) : "m" (*(u32 *)addr));
+	asm("movl %%gs:%1,%0" : "=r" (v) : "m" (*(u32 *)addr));
 	return v;
 }
 
@@ -180,15 +180,15 @@ static inline int memcmp(const void *s1, const void *s2, size_t len)
 static inline int memcmp_fs(const void *s1, addr_t s2, size_t len)
 {
 	u8 diff;
-	asm volatile("fs; repe; cmpsb; setnz %0"
-		     : "=qm" (diff), "+D" (s1), "+S" (s2), "+c" (len));
+	asm("fs; repe; cmpsb; setnz %0"
+	    : "=qm" (diff), "+D" (s1), "+S" (s2), "+c" (len));
 	return diff;
 }
 static inline int memcmp_gs(const void *s1, addr_t s2, size_t len)
 {
 	u8 diff;
-	asm volatile("gs; repe; cmpsb; setnz %0"
-		     : "=qm" (diff), "+D" (s1), "+S" (s2), "+c" (len));
+	asm("gs; repe; cmpsb; setnz %0"
+	    : "=qm" (diff), "+D" (s1), "+S" (s2), "+c" (len));
 	return diff;
 }
 

trunk/arch/i386/boot/cpucheck.c

@@ -96,8 +96,7 @@ static int has_fpu(void)
 		asm volatile("movl %0,%%cr0" : : "r" (cr0));
 	}
 
-	asm volatile("fninit ; fnstsw %0 ; fnstcw %1"
-		     : "+m" (fsw), "+m" (fcw));
+	asm("fninit ; fnstsw %0 ; fnstcw %1" : "+m" (fsw), "+m" (fcw));
 
 	return fsw == 0 && (fcw & 0x103f) == 0x003f;
 }

trunk/arch/i386/boot/edd.c

@@ -30,9 +30,9 @@ static int read_mbr(u8 devno, void *buf)
 	cx = 0x0001;		/* Sector 0-0-1 */
 	dx = devno;
 	bx = (size_t)buf;
-	asm volatile("pushfl; stc; int $0x13; setc %%al; popfl"
-		     : "+a" (ax), "+c" (cx), "+d" (dx), "+b" (bx)
-		     : : "esi", "edi", "memory");
+	asm("pushfl; stc; int $0x13; setc %%al; popfl"
+	    : "+a" (ax), "+c" (cx), "+d" (dx), "+b" (bx)
+	    : : "esi", "edi", "memory");
 
 	return -(u8)ax;		/* 0 or -1 */
 }

trunk/arch/i386/boot/tty.c

@@ -54,9 +54,9 @@ static u8 gettime(void)
 	u16 ax = 0x0200;
 	u16 cx, dx;
 
-	asm volatile("int $0x1a"
-		     : "+a" (ax), "=c" (cx), "=d" (dx)
-		     : : "ebx", "esi", "edi");
+	asm("int $0x1a"
+	    : "+a" (ax), "=c" (cx), "=d" (dx)
+	    : : "ebx", "esi", "edi");
 
 	return dx >> 8;
 }
@@ -67,17 +67,17 @@ static u8 gettime(void)
 int getchar(void)
 {
 	u16 ax = 0;
-	asm volatile("int $0x16" : "+a" (ax));
+	asm("int $0x16" : "+a" (ax));
 
 	return ax & 0xff;
 }
 
 static int kbd_pending(void)
 {
 	u8 pending;
-	asm volatile("int $0x16; setnz %0"
-		     : "=rm" (pending)
-		     : "a" (0x0100));
+	asm("int $0x16; setnz %0"
+	    : "=rm" (pending)
+	    : "a" (0x0100));
 	return pending;
 }
 

trunk/arch/i386/boot/video-vga.c

@@ -47,16 +47,16 @@ static u8 vga_set_basic_mode(void)
 
 #ifdef CONFIG_VIDEO_400_HACK
 	if (adapter >= ADAPTER_VGA) {
-		asm volatile(INT10
-			     : : "a" (0x1202), "b" (0x0030)
-			     : "ecx", "edx", "esi", "edi");
+		asm(INT10
+		    : : "a" (0x1202), "b" (0x0030)
+		    : "ecx", "edx", "esi", "edi");
 	}
 #endif
 
 	ax = 0x0f00;
-	asm volatile(INT10
-		     : "+a" (ax)
-		     : : "ebx", "ecx", "edx", "esi", "edi");
+	asm(INT10
+	    : "+a" (ax)
+	    : : "ebx", "ecx", "edx", "esi", "edi");
 
 	mode = (u8)ax;
 
@@ -73,10 +73,9 @@ static u8 vga_set_basic_mode(void)
 		mode = 3;
 
 	/* Set the mode */
-	ax = mode;
 	asm volatile(INT10
-		     : "+a" (ax)
-		     : : "ebx", "ecx", "edx", "esi", "edi");
+		     : : "a" (mode)
+		     : "ebx", "ecx", "edx", "esi", "edi");
 	do_restore = 1;
 	return mode;
 }

trunk/arch/i386/kernel/io_apic.c

@@ -754,6 +754,14 @@ static int pirq_entries [MAX_PIRQS];
 static int pirqs_enabled;
 int skip_ioapic_setup;
 
+static int __init ioapic_setup(char *str)
+{
+	skip_ioapic_setup = 1;
+	return 1;
+}
+
+__setup("noapic", ioapic_setup);
+
 static int __init ioapic_pirq_setup(char *str)
 {
 	int i, max;

trunk/arch/parisc/kernel/sys_parisc32.c

@@ -285,6 +285,147 @@ int cp_compat_stat(struct kstat *stat, struct compat_stat __user *statbuf)
 	return err;
 }
 
+struct linux32_dirent {
+	u32		d_ino;
+	compat_off_t	d_off;
+	u16		d_reclen;
+	char		d_name[1];
+};
+
+struct old_linux32_dirent {
+	u32	d_ino;
+	u32	d_offset;
+	u16	d_namlen;
+	char	d_name[1];
+};
+
+struct getdents32_callback {
+	struct linux32_dirent __user * current_dir;
+	struct linux32_dirent __user * previous;
+	int count;
+	int error;
+};
+
+struct readdir32_callback {
+	struct old_linux32_dirent __user * dirent;
+	int count;
+};
+
+#define NAME_OFFSET(de) ((int) ((de)->d_name - (char __user *) (de)))
+static int filldir32 (void *__buf, const char *name, int namlen,
+			loff_t offset, u64 ino, unsigned int d_type)
+{
+	struct linux32_dirent __user * dirent;
+	struct getdents32_callback * buf = (struct getdents32_callback *) __buf;
+	int reclen = ALIGN(NAME_OFFSET(dirent) + namlen + 1, 4);
+	u32 d_ino;
+
+	buf->error = -EINVAL;	/* only used if we fail.. */
+	if (reclen > buf->count)
+		return -EINVAL;
+	d_ino = ino;
+	if (sizeof(d_ino) < sizeof(ino) && d_ino != ino)
+		return -EOVERFLOW;
+	dirent = buf->previous;
+	if (dirent)
+		put_user(offset, &dirent->d_off);
+	dirent = buf->current_dir;
+	buf->previous = dirent;
+	put_user(d_ino, &dirent->d_ino);
+	put_user(reclen, &dirent->d_reclen);
+	copy_to_user(dirent->d_name, name, namlen);
+	put_user(0, dirent->d_name + namlen);
+	dirent = ((void __user *)dirent) + reclen;
+	buf->current_dir = dirent;
+	buf->count -= reclen;
+	return 0;
+}
+
+asmlinkage long
+sys32_getdents (unsigned int fd, void __user * dirent, unsigned int count)
+{
+	struct file * file;
+	struct linux32_dirent __user * lastdirent;
+	struct getdents32_callback buf;
+	int error;
+
+	error = -EFAULT;
+	if (!access_ok(VERIFY_WRITE, dirent, count))
+		goto out;
+
+	error = -EBADF;
+	file = fget(fd);
+	if (!file)
+		goto out;
+
+	buf.current_dir = (struct linux32_dirent __user *) dirent;
+	buf.previous = NULL;
+	buf.count = count;
+	buf.error = 0;
+
+	error = vfs_readdir(file, filldir32, &buf);
+	if (error < 0)
+		goto out_putf;
+	error = buf.error;
+	lastdirent = buf.previous;
+	if (lastdirent) {
+		if (put_user(file->f_pos, &lastdirent->d_off))
+			error = -EFAULT;
+		else
+			error = count - buf.count;
+	}
+
+out_putf:
+	fput(file);
+out:
+	return error;
+}
+
+static int fillonedir32(void * __buf, const char * name, int namlen,
+			loff_t offset, u64 ino, unsigned int d_type)
+{
+	struct readdir32_callback * buf = (struct readdir32_callback *) __buf;
+	struct old_linux32_dirent __user * dirent;
+	u32 d_ino;
+
+	if (buf->count)
+		return -EINVAL;
+	d_ino = ino;
+	if (sizeof(d_ino) < sizeof(ino) && d_ino != ino)
+		return -EOVERFLOW;
+	buf->count++;
+	dirent = buf->dirent;
+	put_user(d_ino, &dirent->d_ino);
+	put_user(offset, &dirent->d_offset);
+	put_user(namlen, &dirent->d_namlen);
+	copy_to_user(dirent->d_name, name, namlen);
+	put_user(0, dirent->d_name + namlen);
+	return 0;
+}
+
+asmlinkage long
+sys32_readdir (unsigned int fd, void __user * dirent, unsigned int count)
+{
+	int error;
+	struct file * file;
+	struct readdir32_callback buf;
+
+	error = -EBADF;
+	file = fget(fd);
+	if (!file)
+		goto out;
+
+	buf.count = 0;
+	buf.dirent = dirent;
+
+	error = vfs_readdir(file, fillonedir32, &buf);
+	if (error >= 0)
+		error = buf.count;
+	fput(file);
+out:
+	return error;
+}
+
 /*** copied from mips64 ***/
 /*
  * Ooo, nasty.  We need here to frob 32-bit unsigned longs to