---

yaml
---
r: 64213
b: refs/heads/master
c: 7da6cd8
h: refs/heads/master
i:
  64211: 50d369c
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: efb896300cc9215f60bb4f7f77f93541ab9f1713
+refs/heads/master: 7da6cd8bdfe13fecc061b868dda57ee1a3a051f4

trunk/arch/i386/Kconfig

@@ -614,10 +614,14 @@ config X86_PAE
 
 # Common NUMA Features
 config NUMA
-	bool "Numa Memory Allocation and Scheduler Support"
-	depends on SMP && HIGHMEM64G && (X86_NUMAQ || (X86_SUMMIT || X86_GENERICARCH) && ACPI)
+	bool "Numa Memory Allocation and Scheduler Support (EXPERIMENTAL)"
+	depends on SMP && HIGHMEM64G && (X86_NUMAQ || (X86_SUMMIT || X86_GENERICARCH) && ACPI) && EXPERIMENTAL
 	default n if X86_PC
 	default y if (X86_NUMAQ || X86_SUMMIT)
+	help
+	  NUMA support for i386. This is currently high experimental
+	  and should be only used for kernel development. It might also
+	  cause boot failures.
 
 comment "NUMA (Summit) requires SMP, 64GB highmem support, ACPI"
 	depends on X86_SUMMIT && (!HIGHMEM64G || !ACPI)

trunk/arch/i386/mm/fault.c

@@ -249,9 +249,10 @@ static inline pmd_t *vmalloc_sync_one(pgd_t *pgd, unsigned long address)
 	pmd_k = pmd_offset(pud_k, address);
 	if (!pmd_present(*pmd_k))
 		return NULL;
-	if (!pmd_present(*pmd))
+	if (!pmd_present(*pmd)) {
 		set_pmd(pmd, *pmd_k);
-	else
+		arch_flush_lazy_mmu_mode();
+	} else
 		BUG_ON(pmd_page(*pmd) != pmd_page(*pmd_k));
 	return pmd_k;
 }

trunk/arch/powerpc/sysdev/fsl_pci.c

@@ -251,6 +251,8 @@ DECLARE_PCI_FIXUP_EARLY(0x1957, PCI_DEVICE_ID_MPC8568E, quirk_fsl_pcie_transpare
 DECLARE_PCI_FIXUP_EARLY(0x1957, PCI_DEVICE_ID_MPC8568, quirk_fsl_pcie_transparent);
 DECLARE_PCI_FIXUP_EARLY(0x1957, PCI_DEVICE_ID_MPC8567E, quirk_fsl_pcie_transparent);
 DECLARE_PCI_FIXUP_EARLY(0x1957, PCI_DEVICE_ID_MPC8567, quirk_fsl_pcie_transparent);
+DECLARE_PCI_FIXUP_EARLY(0x1957, PCI_DEVICE_ID_MPC8533E, quirk_fsl_pcie_transparent);
+DECLARE_PCI_FIXUP_EARLY(0x1957, PCI_DEVICE_ID_MPC8533, quirk_fsl_pcie_transparent);
 DECLARE_PCI_FIXUP_EARLY(0x1957, PCI_DEVICE_ID_MPC8544E, quirk_fsl_pcie_transparent);
 DECLARE_PCI_FIXUP_EARLY(0x1957, PCI_DEVICE_ID_MPC8544, quirk_fsl_pcie_transparent);
 DECLARE_PCI_FIXUP_EARLY(0x1957, PCI_DEVICE_ID_MPC8641, quirk_fsl_pcie_transparent);

trunk/arch/s390/hypfs/inode.c

@@ -60,17 +60,28 @@ static void hypfs_add_dentry(struct dentry *dentry)
 	hypfs_last_dentry = dentry;
 }
 
+static inline int hypfs_positive(struct dentry *dentry)
+{
+	return dentry->d_inode && !d_unhashed(dentry);
+}
+
 static void hypfs_remove(struct dentry *dentry)
 {
 	struct dentry *parent;
 
 	parent = dentry->d_parent;
-	if (S_ISDIR(dentry->d_inode->i_mode))
-		simple_rmdir(parent->d_inode, dentry);
-	else
-		simple_unlink(parent->d_inode, dentry);
+	if (!parent || !parent->d_inode)
+		return;
+	mutex_lock(&parent->d_inode->i_mutex);
+	if (hypfs_positive(dentry)) {
+		if (S_ISDIR(dentry->d_inode->i_mode))
+			simple_rmdir(parent->d_inode, dentry);
+		else
+			simple_unlink(parent->d_inode, dentry);
+	}
 	d_delete(dentry);
 	dput(dentry);
+	mutex_unlock(&parent->d_inode->i_mutex);
 }
 
 static void hypfs_delete_tree(struct dentry *root)
@@ -315,6 +326,7 @@ static int hypfs_fill_super(struct super_block *sb, void *data, int silent)
 	}
 	hypfs_update_update(sb);
 	sb->s_root = root_dentry;
+	printk(KERN_INFO "hypfs: Hypervisor filesystem mounted\n");
 	return 0;
 
 err_tree:
@@ -356,13 +368,17 @@ static struct dentry *hypfs_create_file(struct super_block *sb,
 	qname.name = name;
 	qname.len = strlen(name);
 	qname.hash = full_name_hash(name, qname.len);
+	mutex_lock(&parent->d_inode->i_mutex);
 	dentry = lookup_one_len(name, parent, strlen(name));
-	if (IS_ERR(dentry))
-		return ERR_PTR(-ENOMEM);
+	if (IS_ERR(dentry)) {
+		dentry = ERR_PTR(-ENOMEM);
+		goto fail;
+	}
 	inode = hypfs_make_inode(sb, mode);
 	if (!inode) {
 		dput(dentry);
-		return ERR_PTR(-ENOMEM);
+		dentry = ERR_PTR(-ENOMEM);
+		goto fail;
 	}
 	if (mode & S_IFREG) {
 		inode->i_fop = &hypfs_file_ops;
@@ -379,6 +395,8 @@ static struct dentry *hypfs_create_file(struct super_block *sb,
 	inode->i_private = data;
 	d_instantiate(dentry, inode);
 	dget(dentry);
+fail:
+	mutex_unlock(&parent->d_inode->i_mutex);
 	return dentry;
 }
 
@@ -391,7 +409,6 @@ struct dentry *hypfs_mkdir(struct super_block *sb, struct dentry *parent,
 	if (IS_ERR(dentry))
 		return dentry;
 	hypfs_add_dentry(dentry);
-	parent->d_inode->i_nlink++;
 	return dentry;
 }
 

trunk/arch/s390/kernel/Makefile

@@ -6,7 +6,7 @@ EXTRA_AFLAGS	:= -traditional
 
 obj-y	:=  bitmap.o traps.o time.o process.o base.o early.o \
             setup.o sys_s390.o ptrace.o signal.o cpcmd.o ebcdic.o \
-	    semaphore.o s390_ext.o debug.o irq.o ipl.o dis.o
+	    semaphore.o s390_ext.o debug.o irq.o ipl.o dis.o diag.o
 
 obj-y	+= $(if $(CONFIG_64BIT),entry64.o,entry.o)
 obj-y	+= $(if $(CONFIG_64BIT),reipl64.o,reipl.o)

trunk/arch/s390/kernel/diag.c

@@ -0,0 +1,102 @@
+/*
+ * Implementation of s390 diagnose codes
+ *
+ * Copyright IBM Corp. 2007
+ * Author(s): Michael Holzheu <holzheu@de.ibm.com>
+ */
+
+#include <linux/module.h>
+#include <asm/diag.h>
+
+/*
+ * Diagnose 10: Release pages
+ */
+void diag10(unsigned long addr)
+{
+	if (addr >= 0x7ff00000)
+		return;
+	asm volatile(
+#ifdef CONFIG_64BIT
+		"	sam31\n"
+		"	diag	%0,%0,0x10\n"
+		"0:	sam64\n"
+#else
+		"	diag	%0,%0,0x10\n"
+		"0:\n"
+#endif
+		EX_TABLE(0b, 0b)
+		: : "a" (addr));
+}
+EXPORT_SYMBOL(diag10);
+
+/*
+ * Diagnose 14: Input spool file manipulation
+ */
+int diag14(unsigned long rx, unsigned long ry1, unsigned long subcode)
+{
+	register unsigned long _ry1 asm("2") = ry1;
+	register unsigned long _ry2 asm("3") = subcode;
+	int rc = 0;
+
+	asm volatile(
+#ifdef CONFIG_64BIT
+		"   sam31\n"
+		"   diag    %2,2,0x14\n"
+		"   sam64\n"
+#else
+		"   diag    %2,2,0x14\n"
+#endif
+		"   ipm     %0\n"
+		"   srl     %0,28\n"
+		: "=d" (rc), "+d" (_ry2)
+		: "d" (rx), "d" (_ry1)
+		: "cc");
+
+	return rc;
+}
+EXPORT_SYMBOL(diag14);
+
+/*
+ * Diagnose 210: Get information about a virtual device
+ */
+int diag210(struct diag210 *addr)
+{
+	/*
+	 * diag 210 needs its data below the 2GB border, so we
+	 * use a static data area to be sure
+	 */
+	static struct diag210 diag210_tmp;
+	static DEFINE_SPINLOCK(diag210_lock);
+	unsigned long flags;
+	int ccode;
+
+	spin_lock_irqsave(&diag210_lock, flags);
+	diag210_tmp = *addr;
+
+#ifdef CONFIG_64BIT
+	asm volatile(
+		"	lhi	%0,-1\n"
+		"	sam31\n"
+		"	diag	%1,0,0x210\n"
+		"0:	ipm	%0\n"
+		"	srl	%0,28\n"
+		"1:	sam64\n"
+		EX_TABLE(0b, 1b)
+		: "=&d" (ccode) : "a" (&diag210_tmp) : "cc", "memory");
+#else
+	asm volatile(
+		"	lhi	%0,-1\n"
+		"	diag	%1,0,0x210\n"
+		"0:	ipm	%0\n"
+		"	srl	%0,28\n"
+		"1:\n"
+		EX_TABLE(0b, 1b)
+		: "=&d" (ccode) : "a" (&diag210_tmp) : "cc", "memory");
+#endif
+
+	*addr = diag210_tmp;
+	spin_unlock_irqrestore(&diag210_lock, flags);
+
+	return ccode;
+}
+EXPORT_SYMBOL(diag210);

trunk/arch/s390/kernel/dis.c

@@ -577,7 +577,7 @@ static struct insn opcode_b2[] = {
 	{ "esta", 0x4a, INSTR_RRE_RR },
 	{ "lura", 0x4b, INSTR_RRE_RR },
 	{ "tar", 0x4c, INSTR_RRE_AR },
-	{ "cpya", INSTR_RRE_AA },
+	{ "cpya", 0x4d, INSTR_RRE_AA },
 	{ "sar", 0x4e, INSTR_RRE_AR },
 	{ "ear", 0x4f, INSTR_RRE_RA },
 	{ "csp", 0x50, INSTR_RRE_RR },

trunk/arch/s390/kernel/kprobes.c

@@ -85,7 +85,7 @@ void __kprobes get_instruction_type(struct arch_specific_insn *ainsn)
 	ainsn->reg = (*ainsn->insn & 0xf0) >> 4;
 
 	/* save the instruction length (pop 5-5) in bytes */
-	switch (*(__u8 *) (ainsn->insn) >> 4) {
+	switch (*(__u8 *) (ainsn->insn) >> 6) {
 	case 0:
 		ainsn->ilen = 2;
 		break;

trunk/arch/s390/kernel/s390_ksyms.c

@@ -25,7 +25,6 @@ EXPORT_SYMBOL(_oi_bitmap);
 EXPORT_SYMBOL(_ni_bitmap);
 EXPORT_SYMBOL(_zb_findmap);
 EXPORT_SYMBOL(_sb_findmap);
-EXPORT_SYMBOL(diag10);
 
 /*
  * semaphore ops

trunk/arch/s390/mm/cmm.c

@@ -20,6 +20,7 @@
 
 #include <asm/pgalloc.h>
 #include <asm/uaccess.h>
+#include <asm/diag.h>
 
 static char *sender = "VMRMSVM";
 module_param(sender, charp, 0400);

trunk/arch/s390/mm/init.c

@@ -42,23 +42,6 @@ DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
 pgd_t swapper_pg_dir[PTRS_PER_PGD] __attribute__((__aligned__(PAGE_SIZE)));
 char  empty_zero_page[PAGE_SIZE] __attribute__((__aligned__(PAGE_SIZE)));
 
-void diag10(unsigned long addr)
-{
-        if (addr >= 0x7ff00000)
-                return;
-	asm volatile(
-#ifdef CONFIG_64BIT
-		"	sam31\n"
-		"	diag	%0,%0,0x10\n"
-		"0:	sam64\n"
-#else
-		"	diag	%0,%0,0x10\n"
-		"0:\n"
-#endif
-		EX_TABLE(0b,0b)
-		: : "a" (addr));
-}
-
 void show_mem(void)
 {
 	int i, total = 0, reserved = 0;