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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2016-10-29 01:29:17 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2016-10-29 01:29:17 +0200
commit8b2ada27dc1045e8191673bf769a1136ce8a0127 (patch)
treedf2fe577fb2f01c477e7e217cec9fd47c6ce812b /include/linux/random.h
parent2f1d407adab026b34a105ed27b1d4d7e910c4448 (diff)
parent1adb469b9b76276d7e5ea36a20a24c47d6618a0b (diff)
Merge branches 'pm-cpufreq-fixes' and 'pm-sleep-fixes'
* pm-cpufreq-fixes: cpufreq: intel_pstate: Always set max P-state in performance mode cpufreq: intel_pstate: Set P-state upfront in performance mode * pm-sleep-fixes: PM / suspend: Fix missing KERN_CONT for suspend message
Diffstat (limited to 'include/linux/random.h')
-rw-r--r--include/linux/random.h17
1 files changed, 14 insertions, 3 deletions
diff --git a/include/linux/random.h b/include/linux/random.h
index 3d6e9815cd85..7bd2403e4fef 100644
--- a/include/linux/random.h
+++ b/include/linux/random.h
@@ -18,9 +18,20 @@ struct random_ready_callback {
};
extern void add_device_randomness(const void *, unsigned int);
+
+#if defined(CONFIG_GCC_PLUGIN_LATENT_ENTROPY) && !defined(__CHECKER__)
+static inline void add_latent_entropy(void)
+{
+ add_device_randomness((const void *)&latent_entropy,
+ sizeof(latent_entropy));
+}
+#else
+static inline void add_latent_entropy(void) {}
+#endif
+
extern void add_input_randomness(unsigned int type, unsigned int code,
- unsigned int value);
-extern void add_interrupt_randomness(int irq, int irq_flags);
+ unsigned int value) __latent_entropy;
+extern void add_interrupt_randomness(int irq, int irq_flags) __latent_entropy;
extern void get_random_bytes(void *buf, int nbytes);
extern int add_random_ready_callback(struct random_ready_callback *rdy);
@@ -34,7 +45,7 @@ extern const struct file_operations random_fops, urandom_fops;
unsigned int get_random_int(void);
unsigned long get_random_long(void);
-unsigned long randomize_range(unsigned long start, unsigned long end, unsigned long len);
+unsigned long randomize_page(unsigned long start, unsigned long range);
u32 prandom_u32(void);
void prandom_bytes(void *buf, size_t nbytes);