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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-10-30 14:26:45 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-10-30 14:26:45 +0000
commit05cd2544f4b64d9a9eca0d170191867495e01feb (patch)
tree10146fb79bba464bac6f620d03b8cd50285065b7 /include
parent27f680adc65ca08bf72ed85d3a48d1ee70f77c7a (diff)
parenta0601c8944dc08c2d349c24bd9c0b09c406229fc (diff)
Merge branch 'fix' of git://git.kernel.org/pub/scm/linux/kernel/git/ycmiao/pxa-linux-2.6
Diffstat (limited to 'include')
-rw-r--r--include/asm-generic/kdebug.h1
-rw-r--r--include/linux/ftrace.h48
-rw-r--r--include/linux/kvm.h6
-rw-r--r--include/linux/kvm_host.h7
-rw-r--r--include/linux/phonet.h1
-rw-r--r--include/linux/sched.h12
-rw-r--r--include/net/phonet/phonet.h2
-rw-r--r--include/scsi/scsi_tcq.h14
8 files changed, 66 insertions, 25 deletions
diff --git a/include/asm-generic/kdebug.h b/include/asm-generic/kdebug.h
index 2b799c90b2d..11e57b6a85f 100644
--- a/include/asm-generic/kdebug.h
+++ b/include/asm-generic/kdebug.h
@@ -3,6 +3,7 @@
enum die_val {
DIE_UNUSED,
+ DIE_OOPS=1
};
#endif /* _ASM_GENERIC_KDEBUG_H */
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index a3d46151be1..703eb53cfa2 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -8,7 +8,7 @@
#include <linux/types.h>
#include <linux/kallsyms.h>
-#ifdef CONFIG_FTRACE
+#ifdef CONFIG_FUNCTION_TRACER
extern int ftrace_enabled;
extern int
@@ -36,16 +36,14 @@ void clear_ftrace_function(void);
extern void ftrace_stub(unsigned long a0, unsigned long a1);
-#else /* !CONFIG_FTRACE */
+#else /* !CONFIG_FUNCTION_TRACER */
# define register_ftrace_function(ops) do { } while (0)
# define unregister_ftrace_function(ops) do { } while (0)
# define clear_ftrace_function(ops) do { } while (0)
-static inline void ftrace_kill_atomic(void) { }
-#endif /* CONFIG_FTRACE */
+static inline void ftrace_kill(void) { }
+#endif /* CONFIG_FUNCTION_TRACER */
#ifdef CONFIG_DYNAMIC_FTRACE
-# define FTRACE_HASHBITS 10
-# define FTRACE_HASHSIZE (1<<FTRACE_HASHBITS)
enum {
FTRACE_FL_FREE = (1 << 0),
@@ -58,9 +56,9 @@ enum {
};
struct dyn_ftrace {
- struct hlist_node node;
- unsigned long ip; /* address of mcount call-site */
- unsigned long flags;
+ struct list_head list;
+ unsigned long ip; /* address of mcount call-site */
+ unsigned long flags;
};
int ftrace_force_update(void);
@@ -71,14 +69,33 @@ extern int ftrace_ip_converted(unsigned long ip);
extern unsigned char *ftrace_nop_replace(void);
extern unsigned char *ftrace_call_replace(unsigned long ip, unsigned long addr);
extern int ftrace_dyn_arch_init(void *data);
-extern int ftrace_mcount_set(unsigned long *data);
-extern int ftrace_modify_code(unsigned long ip, unsigned char *old_code,
- unsigned char *new_code);
extern int ftrace_update_ftrace_func(ftrace_func_t func);
extern void ftrace_caller(void);
extern void ftrace_call(void);
extern void mcount_call(void);
+/**
+ * ftrace_modify_code - modify code segment
+ * @ip: the address of the code segment
+ * @old_code: the contents of what is expected to be there
+ * @new_code: the code to patch in
+ *
+ * This is a very sensitive operation and great care needs
+ * to be taken by the arch. The operation should carefully
+ * read the location, check to see if what is read is indeed
+ * what we expect it to be, and then on success of the compare,
+ * it should write to the location.
+ *
+ * Return must be:
+ * 0 on success
+ * -EFAULT on error reading the location
+ * -EINVAL on a failed compare of the contents
+ * -EPERM on error writing to the location
+ * Any other value will be considered a failure.
+ */
+extern int ftrace_modify_code(unsigned long ip, unsigned char *old_code,
+ unsigned char *new_code);
+
extern int skip_trace(unsigned long ip);
extern void ftrace_release(void *start, unsigned long size);
@@ -97,11 +114,10 @@ static inline void ftrace_release(void *start, unsigned long size) { }
/* totally disable ftrace - can not re-enable after this */
void ftrace_kill(void);
-void ftrace_kill_atomic(void);
static inline void tracer_disable(void)
{
-#ifdef CONFIG_FTRACE
+#ifdef CONFIG_FUNCTION_TRACER
ftrace_enabled = 0;
#endif
}
@@ -113,7 +129,7 @@ static inline void tracer_disable(void)
*/
static inline int __ftrace_enabled_save(void)
{
-#ifdef CONFIG_FTRACE
+#ifdef CONFIG_FUNCTION_TRACER
int saved_ftrace_enabled = ftrace_enabled;
ftrace_enabled = 0;
return saved_ftrace_enabled;
@@ -124,7 +140,7 @@ static inline int __ftrace_enabled_save(void)
static inline void __ftrace_enabled_restore(int enabled)
{
-#ifdef CONFIG_FTRACE
+#ifdef CONFIG_FUNCTION_TRACER
ftrace_enabled = enabled;
#endif
}
diff --git a/include/linux/kvm.h b/include/linux/kvm.h
index 797fcd78124..f18b86fa865 100644
--- a/include/linux/kvm.h
+++ b/include/linux/kvm.h
@@ -489,6 +489,9 @@ struct kvm_assigned_pci_dev {
__u32 busnr;
__u32 devfn;
__u32 flags;
+ union {
+ __u32 reserved[12];
+ };
};
struct kvm_assigned_irq {
@@ -496,6 +499,9 @@ struct kvm_assigned_irq {
__u32 host_irq;
__u32 guest_irq;
__u32 flags;
+ union {
+ __u32 reserved[12];
+ };
};
#define KVM_DEV_ASSIGN_ENABLE_IOMMU (1 << 0)
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 3833c48fae3..bb92be2153b 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -37,6 +37,8 @@
#define KVM_REQ_UNHALT 6
#define KVM_REQ_MMU_SYNC 7
+#define KVM_USERSPACE_IRQ_SOURCE_ID 0
+
struct kvm_vcpu;
extern struct kmem_cache *kvm_vcpu_cache;
@@ -306,15 +308,18 @@ struct kvm_assigned_dev_kernel {
int host_irq;
int guest_irq;
int irq_requested;
+ int irq_source_id;
struct pci_dev *dev;
struct kvm *kvm;
};
-void kvm_set_irq(struct kvm *kvm, int irq, int level);
+void kvm_set_irq(struct kvm *kvm, int irq_source_id, int irq, int level);
void kvm_notify_acked_irq(struct kvm *kvm, unsigned gsi);
void kvm_register_irq_ack_notifier(struct kvm *kvm,
struct kvm_irq_ack_notifier *kian);
void kvm_unregister_irq_ack_notifier(struct kvm *kvm,
struct kvm_irq_ack_notifier *kian);
+int kvm_request_irq_source_id(struct kvm *kvm);
+void kvm_free_irq_source_id(struct kvm *kvm, int irq_source_id);
#ifdef CONFIG_DMAR
int kvm_iommu_map_pages(struct kvm *kvm, gfn_t base_gfn,
diff --git a/include/linux/phonet.h b/include/linux/phonet.h
index c9609f9aeda..4157faa857b 100644
--- a/include/linux/phonet.h
+++ b/include/linux/phonet.h
@@ -72,6 +72,7 @@ struct phonetmsg {
} pn_msg_u;
};
#define PN_COMMON_MESSAGE 0xF0
+#define PN_COMMGR 0x10
#define PN_PREFIX 0xE0 /* resource for extended messages */
#define pn_submsg_id pn_msg_u.base.pn_submsg_id
#define pn_e_submsg_id pn_msg_u.ext.pn_e_submsg_id
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 8478f334d73..b483f39a711 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -936,7 +936,6 @@ struct sched_class {
void (*enqueue_task) (struct rq *rq, struct task_struct *p, int wakeup);
void (*dequeue_task) (struct rq *rq, struct task_struct *p, int sleep);
void (*yield_task) (struct rq *rq);
- int (*select_task_rq)(struct task_struct *p, int sync);
void (*check_preempt_curr) (struct rq *rq, struct task_struct *p, int sync);
@@ -944,6 +943,8 @@ struct sched_class {
void (*put_prev_task) (struct rq *rq, struct task_struct *p);
#ifdef CONFIG_SMP
+ int (*select_task_rq)(struct task_struct *p, int sync);
+
unsigned long (*load_balance) (struct rq *this_rq, int this_cpu,
struct rq *busiest, unsigned long max_load_move,
struct sched_domain *sd, enum cpu_idle_type idle,
@@ -955,16 +956,17 @@ struct sched_class {
void (*pre_schedule) (struct rq *this_rq, struct task_struct *task);
void (*post_schedule) (struct rq *this_rq);
void (*task_wake_up) (struct rq *this_rq, struct task_struct *task);
-#endif
- void (*set_curr_task) (struct rq *rq);
- void (*task_tick) (struct rq *rq, struct task_struct *p, int queued);
- void (*task_new) (struct rq *rq, struct task_struct *p);
void (*set_cpus_allowed)(struct task_struct *p,
const cpumask_t *newmask);
void (*rq_online)(struct rq *rq);
void (*rq_offline)(struct rq *rq);
+#endif
+
+ void (*set_curr_task) (struct rq *rq);
+ void (*task_tick) (struct rq *rq, struct task_struct *p, int queued);
+ void (*task_new) (struct rq *rq, struct task_struct *p);
void (*switched_from) (struct rq *this_rq, struct task_struct *task,
int running);
diff --git a/include/net/phonet/phonet.h b/include/net/phonet/phonet.h
index d4e72508e14..c6a24518446 100644
--- a/include/net/phonet/phonet.h
+++ b/include/net/phonet/phonet.h
@@ -27,7 +27,7 @@
* The lower layers may not require more space, ever. Make sure it's
* enough.
*/
-#define MAX_PHONET_HEADER 8
+#define MAX_PHONET_HEADER (8 + MAX_HEADER)
/*
* Every Phonet* socket has this structure first in its
diff --git a/include/scsi/scsi_tcq.h b/include/scsi/scsi_tcq.h
index cf4c219c0b5..17231385cb3 100644
--- a/include/scsi/scsi_tcq.h
+++ b/include/scsi/scsi_tcq.h
@@ -140,8 +140,18 @@ static inline struct scsi_cmnd *scsi_find_tag(struct scsi_device *sdev, int tag)
*/
static inline int scsi_init_shared_tag_map(struct Scsi_Host *shost, int depth)
{
- shost->bqt = blk_init_tags(depth);
- return shost->bqt ? 0 : -ENOMEM;
+ /*
+ * If the shared tag map isn't already initialized, do it now.
+ * This saves callers from having to check ->bqt when setting up
+ * devices on the shared host (for libata)
+ */
+ if (!shost->bqt) {
+ shost->bqt = blk_init_tags(depth);
+ if (!shost->bqt)
+ return -ENOMEM;
+ }
+
+ return 0;
}
/**