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-rw-r--r--include/linux/context_tracking.h35
-rw-r--r--include/linux/fs.h2
-rw-r--r--include/linux/kvm_host.h37
-rw-r--r--include/linux/mfd/twl6040.h7
-rw-r--r--include/linux/perf_event.h3
-rw-r--r--include/linux/preempt.h18
-rw-r--r--include/linux/splice.h1
-rw-r--r--include/linux/vtime.h4
8 files changed, 64 insertions, 43 deletions
diff --git a/include/linux/context_tracking.h b/include/linux/context_tracking.h
index 365f4a61bf04..fc09d7b0dacf 100644
--- a/include/linux/context_tracking.h
+++ b/include/linux/context_tracking.h
@@ -3,6 +3,7 @@
#include <linux/sched.h>
#include <linux/percpu.h>
+#include <linux/vtime.h>
#include <asm/ptrace.h>
struct context_tracking {
@@ -19,6 +20,26 @@ struct context_tracking {
} state;
};
+static inline void __guest_enter(void)
+{
+ /*
+ * This is running in ioctl context so we can avoid
+ * the call to vtime_account() with its unnecessary idle check.
+ */
+ vtime_account_system(current);
+ current->flags |= PF_VCPU;
+}
+
+static inline void __guest_exit(void)
+{
+ /*
+ * This is running in ioctl context so we can avoid
+ * the call to vtime_account() with its unnecessary idle check.
+ */
+ vtime_account_system(current);
+ current->flags &= ~PF_VCPU;
+}
+
#ifdef CONFIG_CONTEXT_TRACKING
DECLARE_PER_CPU(struct context_tracking, context_tracking);
@@ -35,6 +56,9 @@ static inline bool context_tracking_active(void)
extern void user_enter(void);
extern void user_exit(void);
+extern void guest_enter(void);
+extern void guest_exit(void);
+
static inline enum ctx_state exception_enter(void)
{
enum ctx_state prev_ctx;
@@ -57,6 +81,17 @@ extern void context_tracking_task_switch(struct task_struct *prev,
static inline bool context_tracking_in_user(void) { return false; }
static inline void user_enter(void) { }
static inline void user_exit(void) { }
+
+static inline void guest_enter(void)
+{
+ __guest_enter();
+}
+
+static inline void guest_exit(void)
+{
+ __guest_exit();
+}
+
static inline enum ctx_state exception_enter(void) { return 0; }
static inline void exception_exit(enum ctx_state prev_ctx) { }
static inline void context_tracking_task_switch(struct task_struct *prev,
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 43db02e9c9fa..65c2be22b601 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -2414,8 +2414,6 @@ extern ssize_t generic_file_splice_write(struct pipe_inode_info *,
struct file *, loff_t *, size_t, unsigned int);
extern ssize_t generic_splice_sendpage(struct pipe_inode_info *pipe,
struct file *out, loff_t *, size_t len, unsigned int flags);
-extern long do_splice_direct(struct file *in, loff_t *ppos, struct file *out,
- size_t len, unsigned int flags);
extern void
file_ra_state_init(struct file_ra_state *ra, struct address_space *mapping);
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index f0eea07d2c2b..8db53cfaccdb 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -23,6 +23,7 @@
#include <linux/ratelimit.h>
#include <linux/err.h>
#include <linux/irqflags.h>
+#include <linux/context_tracking.h>
#include <asm/signal.h>
#include <linux/kvm.h>
@@ -760,42 +761,6 @@ static inline int kvm_iommu_unmap_guest(struct kvm *kvm)
}
#endif
-static inline void __guest_enter(void)
-{
- /*
- * This is running in ioctl context so we can avoid
- * the call to vtime_account() with its unnecessary idle check.
- */
- vtime_account_system(current);
- current->flags |= PF_VCPU;
-}
-
-static inline void __guest_exit(void)
-{
- /*
- * This is running in ioctl context so we can avoid
- * the call to vtime_account() with its unnecessary idle check.
- */
- vtime_account_system(current);
- current->flags &= ~PF_VCPU;
-}
-
-#ifdef CONFIG_CONTEXT_TRACKING
-extern void guest_enter(void);
-extern void guest_exit(void);
-
-#else /* !CONFIG_CONTEXT_TRACKING */
-static inline void guest_enter(void)
-{
- __guest_enter();
-}
-
-static inline void guest_exit(void)
-{
- __guest_exit();
-}
-#endif /* !CONFIG_CONTEXT_TRACKING */
-
static inline void kvm_guest_enter(void)
{
unsigned long flags;
diff --git a/include/linux/mfd/twl6040.h b/include/linux/mfd/twl6040.h
index 94ac944d12f0..7e7fbce7a308 100644
--- a/include/linux/mfd/twl6040.h
+++ b/include/linux/mfd/twl6040.h
@@ -125,8 +125,15 @@
#define TWL6040_HSDACENA (1 << 0)
#define TWL6040_HSDACMODE (1 << 1)
+#define TWL6040_HSDRVENA (1 << 2)
#define TWL6040_HSDRVMODE (1 << 3)
+/* HFLCTL/R (0x14/0x16) fields */
+
+#define TWL6040_HFDACENA (1 << 0)
+#define TWL6040_HFPGAENA (1 << 1)
+#define TWL6040_HFDRVENA (1 << 4)
+
/* VIBCTLL/R (0x18/0x1A) fields */
#define TWL6040_VIBENA (1 << 0)
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index f463a46424e2..c5b6dbf9c2fc 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -389,8 +389,7 @@ struct perf_event {
/* mmap bits */
struct mutex mmap_mutex;
atomic_t mmap_count;
- int mmap_locked;
- struct user_struct *mmap_user;
+
struct ring_buffer *rb;
struct list_head rb_entry;
diff --git a/include/linux/preempt.h b/include/linux/preempt.h
index 87a03c746f17..f5d4723cdb3d 100644
--- a/include/linux/preempt.h
+++ b/include/linux/preempt.h
@@ -33,9 +33,25 @@ do { \
preempt_schedule(); \
} while (0)
+#ifdef CONFIG_CONTEXT_TRACKING
+
+void preempt_schedule_context(void);
+
+#define preempt_check_resched_context() \
+do { \
+ if (unlikely(test_thread_flag(TIF_NEED_RESCHED))) \
+ preempt_schedule_context(); \
+} while (0)
+#else
+
+#define preempt_check_resched_context() preempt_check_resched()
+
+#endif /* CONFIG_CONTEXT_TRACKING */
+
#else /* !CONFIG_PREEMPT */
#define preempt_check_resched() do { } while (0)
+#define preempt_check_resched_context() do { } while (0)
#endif /* CONFIG_PREEMPT */
@@ -88,7 +104,7 @@ do { \
do { \
preempt_enable_no_resched_notrace(); \
barrier(); \
- preempt_check_resched(); \
+ preempt_check_resched_context(); \
} while (0)
#else /* !CONFIG_PREEMPT_COUNT */
diff --git a/include/linux/splice.h b/include/linux/splice.h
index 09a545a7dfa3..74575cbf2d6f 100644
--- a/include/linux/splice.h
+++ b/include/linux/splice.h
@@ -35,6 +35,7 @@ struct splice_desc {
void *data; /* cookie */
} u;
loff_t pos; /* file position */
+ loff_t *opos; /* sendfile: output position */
size_t num_spliced; /* number of bytes already spliced */
bool need_wakeup; /* need to wake up writer */
};
diff --git a/include/linux/vtime.h b/include/linux/vtime.h
index 71a5782d8c59..b1dd2db80076 100644
--- a/include/linux/vtime.h
+++ b/include/linux/vtime.h
@@ -34,7 +34,7 @@ static inline void vtime_user_exit(struct task_struct *tsk)
}
extern void vtime_guest_enter(struct task_struct *tsk);
extern void vtime_guest_exit(struct task_struct *tsk);
-extern void vtime_init_idle(struct task_struct *tsk);
+extern void vtime_init_idle(struct task_struct *tsk, int cpu);
#else
static inline void vtime_account_irq_exit(struct task_struct *tsk)
{
@@ -45,7 +45,7 @@ static inline void vtime_user_enter(struct task_struct *tsk) { }
static inline void vtime_user_exit(struct task_struct *tsk) { }
static inline void vtime_guest_enter(struct task_struct *tsk) { }
static inline void vtime_guest_exit(struct task_struct *tsk) { }
-static inline void vtime_init_idle(struct task_struct *tsk) { }
+static inline void vtime_init_idle(struct task_struct *tsk, int cpu) { }
#endif
#ifdef CONFIG_IRQ_TIME_ACCOUNTING