Merge ssh://linux-ntfs@bkbits.net/ntfs-2.6

into flatcap.org:/home/flatcap/backup/bk/ntfs-2.6

arch/ppc64/kernel/smp.c

@@ -390,7 +390,8 @@ static unsigned int find_physical_cpu_to_start(unsigned int old_hwindex)
 static inline int __devinit smp_startup_cpu(unsigned int lcpu)
 {
 	int status;
-	unsigned long start_here = __pa(pseries_secondary_smp_init);
+	unsigned long start_here = __pa((u32)*((unsigned long *)
+					       pseries_secondary_smp_init));
 	unsigned int pcpu;
 
 	/* At boot time the cpus are already spinning in hold

arch/x86_64/kernel/suspend_asm.S

@@ -39,29 +39,28 @@ ENTRY(swsusp_arch_resume)
 	/* set up cr3 */	
 	leaq	init_level4_pgt(%rip),%rax
 	subq	$__START_KERNEL_map,%rax
-	movq %rax,%cr3
+	movq	%rax,%cr3
 
 	movq	mmu_cr4_features(%rip), %rax
 	movq	%rax, %rdx
-	
 	andq	$~(1<<7), %rdx	# PGE
-	movq %rdx, %cr4;  # turn off PGE     
-	movq %cr3, %rcx;  # flush TLB        
-	movq %rcx, %cr3;                     
-	movq %rax, %cr4;  # turn PGE back on 
+	movq	%rdx, %cr4;  # turn off PGE
+	movq	%cr3, %rcx;  # flush TLB
+	movq	%rcx, %cr3;
+	movq	%rax, %cr4;  # turn PGE back on
 
 	movl	nr_copy_pages(%rip), %eax
 	xorl	%ecx, %ecx
-	movq	$0, loop(%rip)
+	movq	$0, %r10
 	testl	%eax, %eax
-	je	.L108
+	jz	done
 .L105:
 	xorl	%esi, %esi
-	movq	$0, loop2(%rip)
+	movq	$0, %r11
 	jmp	.L104
 	.p2align 4,,7
-.L111:
-	movq	loop(%rip), %rcx
+copy_one_page:
+	movq	%r10, %rcx
 .L104:
 	movq	pagedir_nosave(%rip), %rdx
 	movq	%rcx, %rax
@@ -71,27 +70,26 @@ ENTRY(swsusp_arch_resume)
 	movzbl	(%rsi,%rax), %eax
 	movb	%al, (%rsi,%rcx)
 
-	movq %cr3, %rax;  # flush TLB 
-	movq %rax, %cr3;              
+	movq	%cr3, %rax;  # flush TLB
+	movq	%rax, %cr3;
 
-	movq	loop2(%rip), %rax
+	movq	%r11, %rax
 	incq	%rax
 	cmpq	$4095, %rax
 	movq	%rax, %rsi
-	movq	%rax, loop2(%rip)
-	jbe	.L111
-	movq	loop(%rip), %rax
+	movq	%rax, %r11
+	jbe	copy_one_page
+	movq	%r10, %rax
 	incq	%rax
 	movq	%rax, %rcx
-	movq	%rax, loop(%rip)
+	movq	%rax, %r10
 	mov	nr_copy_pages(%rip), %eax
 	cmpq	%rax, %rcx
 	jb	.L105
-.L108:
-	.align 4
+done:
 	movl	$24, %eax
+	movl	%eax, %ds
 
-	movl %eax, %ds
 	movq saved_context_esp(%rip), %rsp
 	movq saved_context_ebp(%rip), %rbp
 	movq saved_context_eax(%rip), %rax
@@ -111,10 +109,3 @@ ENTRY(swsusp_arch_resume)
 	pushq saved_context_eflags(%rip) ; popfq
 	call	swsusp_restore
 	ret
-
-	.section .data.nosave
-loop:
-	.quad 0
-loop2:	
-	.quad 0		
-	.previous

drivers/base/firmware_class.c

@@ -235,6 +235,8 @@ firmware_data_write(struct kobject *kobj,
 	struct firmware *fw;
 	ssize_t retval;
 
+	if (!capable(CAP_SYS_RAWIO))
+		return -EPERM;
 	down(&fw_lock);
 	fw = fw_priv->fw;
 	if (test_bit(FW_STATUS_DONE, &fw_priv->status)) {

drivers/char/agp/intel-agp.c

@@ -1778,7 +1778,7 @@ static struct pci_driver agp_intel_pci_driver = {
 	.name		= "agpgart-intel",
 	.id_table	= agp_intel_pci_table,
 	.probe		= agp_intel_probe,
-	.remove		= agp_intel_remove,
+	.remove		= __devexit_p(agp_intel_remove),
 	.resume		= agp_intel_resume,
 };
 

drivers/mtd/chips/cfi_cmdset_0001.c

@@ -604,6 +604,8 @@ static void put_chip(struct map_info *map, struct flchip *chip, unsigned long ad
 				spin_unlock(&shared->lock);
 			}
 		}
+	} else {
+		spin_unlock(&shared->lock);
 	}
 
 	switch(chip->oldstate) {

include/asm-i386/linkage.h

@@ -5,6 +5,10 @@
 #define FASTCALL(x)	x __attribute__((regparm(3)))
 #define fastcall	__attribute__((regparm(3)))
 
+#ifdef CONFIG_REGPARM
+# define prevent_tail_call(ret) __asm__ ("" : "=r" (ret) : "0" (ret))
+#endif
+
 #ifdef CONFIG_X86_ALIGNMENT_16
 #define __ALIGN .align 16,0x90
 #define __ALIGN_STR ".align 16,0x90"

include/linux/linkage.h

@@ -14,6 +14,10 @@
 #define asmlinkage CPP_ASMLINKAGE
 #endif
 
+#ifndef prevent_tail_call
+# define prevent_tail_call(ret) do { } while (0)
+#endif
+
 #ifndef __ALIGN
 #define __ALIGN		.align 4,0x90
 #define __ALIGN_STR	".align 4,0x90"

kernel/exit.c

@@ -1376,6 +1376,8 @@ asmlinkage long sys_waitid(int which, pid_t pid,
 			   struct siginfo __user *infop, int options,
 			   struct rusage __user *ru)
 {
+	long ret;
+
 	if (options & ~(WNOHANG|WNOWAIT|WEXITED|WSTOPPED|WCONTINUED))
 		return -EINVAL;
 	if (!(options & (WEXITED|WSTOPPED|WCONTINUED)))
@@ -1398,15 +1400,25 @@ asmlinkage long sys_waitid(int which, pid_t pid,
 		return -EINVAL;
 	}
 
-	return do_wait(pid, options, infop, NULL, ru);
+	ret = do_wait(pid, options, infop, NULL, ru);
+
+	/* avoid REGPARM breakage on x86: */
+	prevent_tail_call(ret);
+	return ret;
 }
 
 asmlinkage long sys_wait4(pid_t pid, int __user *stat_addr,
 			  int options, struct rusage __user *ru)
 {
+	long ret;
+
 	if (options & ~(WNOHANG|WUNTRACED|__WNOTHREAD|__WCLONE|__WALL))
 		return -EINVAL;
-	return do_wait(pid, options | WEXITED, NULL, stat_addr, ru);
+	ret = do_wait(pid, options | WEXITED, NULL, stat_addr, ru);
+
+	/* avoid REGPARM breakage on x86: */
+	prevent_tail_call(ret);
+	return ret;
 }
 
 #ifdef __ARCH_WANT_SYS_WAITPID

mm/vmscan.c

@@ -181,7 +181,7 @@ static int shrink_slab(unsigned long scanned, unsigned int gfp_mask,
 	struct shrinker *shrinker;
 
 	if (scanned == 0)
-		return 0;
+		scanned = SWAP_CLUSTER_MAX;
 
 	if (!down_read_trylock(&shrinker_rwsem))
 		return 0;
@@ -1065,7 +1065,8 @@ static int balance_pgdat(pg_data_t *pgdat, int nr_pages)
 			total_reclaimed += sc.nr_reclaimed;
 			if (zone->all_unreclaimable)
 				continue;
-			if (zone->pages_scanned > zone->present_pages * 2)
+			if (zone->pages_scanned >= (zone->nr_active +
+							zone->nr_inactive) * 4)
 				zone->all_unreclaimable = 1;
 			/*
 			 * If we've done a decent amount of scanning and
@@ -1102,8 +1103,10 @@ static int balance_pgdat(pg_data_t *pgdat, int nr_pages)
 
 		zone->prev_priority = zone->temp_priority;
 	}
-	if (!all_zones_ok)
+	if (!all_zones_ok) {
+		cond_resched();
 		goto loop_again;
+	}
 
 	return total_reclaimed;
 }

net/sunrpc/auth_gss/auth_gss.c

@@ -246,7 +246,7 @@ gss_parse_init_downcall(struct gss_api_mech *gm, struct xdr_netobj *buf,
 	spin_lock_init(&ctx->gc_seq_lock);
 	atomic_set(&ctx->count,1);
 
-	if (simple_get_bytes(&p, end, uid, sizeof(uid)))
+	if (simple_get_bytes(&p, end, uid, sizeof(*uid)))
 		goto err_free_ctx;
 	/* FIXME: discarded timeout for now */
 	if (simple_get_bytes(&p, end, &timeout, sizeof(timeout)))