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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2008-07-21 00:55:14 -0400
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2008-07-21 00:55:14 -0400
commit908cf4b925e419bc74f3297b2f0e51d6f8a81da2 (patch)
tree6c2da79366d4695a9c2560ab18259eca8a2a25b4 /include/asm-generic
parent92c49890922d54cba4b1eadeb0b185773c2c9570 (diff)
parent14b395e35d1afdd8019d11b92e28041fad591b71 (diff)
Merge master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 into next
Diffstat (limited to 'include/asm-generic')
-rw-r--r--include/asm-generic/Kbuild.asm2
-rw-r--r--include/asm-generic/atomic.h2
-rw-r--r--include/asm-generic/gpio.h6
-rw-r--r--include/asm-generic/pgtable.h57
-rw-r--r--include/asm-generic/topology.h3
-rw-r--r--include/asm-generic/vmlinux.lds.h33
6 files changed, 99 insertions, 4 deletions
diff --git a/include/asm-generic/Kbuild.asm b/include/asm-generic/Kbuild.asm
index 92a6d91d0c1a..7cd25b8e7c9a 100644
--- a/include/asm-generic/Kbuild.asm
+++ b/include/asm-generic/Kbuild.asm
@@ -1,6 +1,6 @@
header-y += kvm.h
-ifeq ($(wildcard include/asm-$(SRCARCH)/a.out.h),include/asm-$(SRCARCH)/a.out.h)
+ifneq ($(wildcard $(srctree)/include/asm-$(SRCARCH)/a.out.h),)
unifdef-y += a.out.h
endif
unifdef-y += auxvec.h
diff --git a/include/asm-generic/atomic.h b/include/asm-generic/atomic.h
index 85fd0aa27a8c..4ec0a296bdec 100644
--- a/include/asm-generic/atomic.h
+++ b/include/asm-generic/atomic.h
@@ -2,7 +2,7 @@
#define _ASM_GENERIC_ATOMIC_H
/*
* Copyright (C) 2005 Silicon Graphics, Inc.
- * Christoph Lameter <clameter@sgi.com>
+ * Christoph Lameter
*
* Allows to provide arch independent atomic definitions without the need to
* edit all arch specific atomic.h files.
diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h
index ecf675a59d21..6be061d09da9 100644
--- a/include/asm-generic/gpio.h
+++ b/include/asm-generic/gpio.h
@@ -1,8 +1,12 @@
#ifndef _ASM_GENERIC_GPIO_H
#define _ASM_GENERIC_GPIO_H
+#include <linux/types.h>
+
#ifdef CONFIG_HAVE_GPIO_LIB
+#include <linux/compiler.h>
+
/* Platforms may implement their GPIO interface with library code,
* at a small performance cost for non-inlined operations and some
* extra memory (for code and for per-GPIO table entries).
@@ -74,7 +78,7 @@ struct gpio_chip {
extern const char *gpiochip_is_requested(struct gpio_chip *chip,
unsigned offset);
-extern int __init __must_check gpiochip_reserve(int start, int ngpio);
+extern int __must_check gpiochip_reserve(int start, int ngpio);
/* add/remove chips */
extern int gpiochip_add(struct gpio_chip *chip);
diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h
index 44ef329531c3..ef87f889ef62 100644
--- a/include/asm-generic/pgtable.h
+++ b/include/asm-generic/pgtable.h
@@ -195,6 +195,63 @@ static inline int pmd_none_or_clear_bad(pmd_t *pmd)
}
return 0;
}
+
+static inline pte_t __ptep_modify_prot_start(struct mm_struct *mm,
+ unsigned long addr,
+ pte_t *ptep)
+{
+ /*
+ * Get the current pte state, but zero it out to make it
+ * non-present, preventing the hardware from asynchronously
+ * updating it.
+ */
+ return ptep_get_and_clear(mm, addr, ptep);
+}
+
+static inline void __ptep_modify_prot_commit(struct mm_struct *mm,
+ unsigned long addr,
+ pte_t *ptep, pte_t pte)
+{
+ /*
+ * The pte is non-present, so there's no hardware state to
+ * preserve.
+ */
+ set_pte_at(mm, addr, ptep, pte);
+}
+
+#ifndef __HAVE_ARCH_PTEP_MODIFY_PROT_TRANSACTION
+/*
+ * Start a pte protection read-modify-write transaction, which
+ * protects against asynchronous hardware modifications to the pte.
+ * The intention is not to prevent the hardware from making pte
+ * updates, but to prevent any updates it may make from being lost.
+ *
+ * This does not protect against other software modifications of the
+ * pte; the appropriate pte lock must be held over the transation.
+ *
+ * Note that this interface is intended to be batchable, meaning that
+ * ptep_modify_prot_commit may not actually update the pte, but merely
+ * queue the update to be done at some later time. The update must be
+ * actually committed before the pte lock is released, however.
+ */
+static inline pte_t ptep_modify_prot_start(struct mm_struct *mm,
+ unsigned long addr,
+ pte_t *ptep)
+{
+ return __ptep_modify_prot_start(mm, addr, ptep);
+}
+
+/*
+ * Commit an update to a pte, leaving any hardware-controlled bits in
+ * the PTE unmodified.
+ */
+static inline void ptep_modify_prot_commit(struct mm_struct *mm,
+ unsigned long addr,
+ pte_t *ptep, pte_t pte)
+{
+ __ptep_modify_prot_commit(mm, addr, ptep, pte);
+}
+#endif /* __HAVE_ARCH_PTEP_MODIFY_PROT_TRANSACTION */
#endif /* CONFIG_MMU */
/*
diff --git a/include/asm-generic/topology.h b/include/asm-generic/topology.h
index a6aea79bca4f..54bbf6e04ee8 100644
--- a/include/asm-generic/topology.h
+++ b/include/asm-generic/topology.h
@@ -60,7 +60,8 @@
#ifndef node_to_cpumask_ptr
#define node_to_cpumask_ptr(v, node) \
- cpumask_t _##v = node_to_cpumask(node), *v = &_##v
+ cpumask_t _##v = node_to_cpumask(node); \
+ const cpumask_t *v = &_##v
#define node_to_cpumask_ptr_next(v, node) \
_##v = node_to_cpumask(node)
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index f054778e916c..729f6b0a60e9 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -67,6 +67,8 @@
*(.rodata1) \
} \
\
+ BUG_TABLE \
+ \
/* PCI quirks */ \
.pci_fixup : AT(ADDR(.pci_fixup) - LOAD_OFFSET) { \
VMLINUX_SYMBOL(__start_pci_fixups_early) = .; \
@@ -84,6 +86,19 @@
VMLINUX_SYMBOL(__start_pci_fixups_resume) = .; \
*(.pci_fixup_resume) \
VMLINUX_SYMBOL(__end_pci_fixups_resume) = .; \
+ VMLINUX_SYMBOL(__start_pci_fixups_resume_early) = .; \
+ *(.pci_fixup_resume_early) \
+ VMLINUX_SYMBOL(__end_pci_fixups_resume_early) = .; \
+ VMLINUX_SYMBOL(__start_pci_fixups_suspend) = .; \
+ *(.pci_fixup_suspend) \
+ VMLINUX_SYMBOL(__end_pci_fixups_suspend) = .; \
+ } \
+ \
+ /* Built-in firmware blobs */ \
+ .builtin_fw : AT(ADDR(.builtin_fw) - LOAD_OFFSET) { \
+ VMLINUX_SYMBOL(__start_builtin_fw) = .; \
+ *(.builtin_fw) \
+ VMLINUX_SYMBOL(__end_builtin_fw) = .; \
} \
\
/* RapidIO route ops */ \
@@ -93,6 +108,8 @@
VMLINUX_SYMBOL(__end_rio_route_ops) = .; \
} \
\
+ TRACEDATA \
+ \
/* Kernel symbol table: Normal symbols */ \
__ksymtab : AT(ADDR(__ksymtab) - LOAD_OFFSET) { \
VMLINUX_SYMBOL(__start___ksymtab) = .; \
@@ -310,6 +327,7 @@
.stab.indexstr 0 : { *(.stab.indexstr) } \
.comment 0 : { *(.comment) }
+#ifdef CONFIG_GENERIC_BUG
#define BUG_TABLE \
. = ALIGN(8); \
__bug_table : AT(ADDR(__bug_table) - LOAD_OFFSET) { \
@@ -317,6 +335,21 @@
*(__bug_table) \
__stop___bug_table = .; \
}
+#else
+#define BUG_TABLE
+#endif
+
+#ifdef CONFIG_PM_TRACE
+#define TRACEDATA \
+ . = ALIGN(4); \
+ .tracedata : AT(ADDR(.tracedata) - LOAD_OFFSET) { \
+ __tracedata_start = .; \
+ *(.tracedata) \
+ __tracedata_end = .; \
+ }
+#else
+#define TRACEDATA
+#endif
#define NOTES \
.notes : AT(ADDR(.notes) - LOAD_OFFSET) { \