diff options
Diffstat (limited to 'target/linux/generic/patches-4.4/941-ocf_20120127.patch')
| -rw-r--r-- | target/linux/generic/patches-4.4/941-ocf_20120127.patch | 166 |
1 files changed, 0 insertions, 166 deletions
diff --git a/target/linux/generic/patches-4.4/941-ocf_20120127.patch b/target/linux/generic/patches-4.4/941-ocf_20120127.patch deleted file mode 100644 index c1ec2752e8..0000000000 --- a/target/linux/generic/patches-4.4/941-ocf_20120127.patch +++ /dev/null @@ -1,166 +0,0 @@ ---- a/drivers/char/random.c -+++ b/drivers/char/random.c -@@ -139,6 +139,9 @@ - * that might otherwise be identical and have very little entropy - * available to them (particularly common in the embedded world). - * -+ * void random_input_words(__u32 *buf, size_t wordcount, int ent_count) -+ * int random_input_wait(void); -+ * - * add_input_randomness() uses the input layer interrupt timing, as well as - * the event type information from the hardware. - * -@@ -152,6 +155,13 @@ - * seek times do not make for good sources of entropy, as their seek - * times are usually fairly consistent. - * -+ * random_input_words() just provides a raw block of entropy to the input -+ * pool, such as from a hardware entropy generator. -+ * -+ * random_input_wait() suspends the caller until such time as the -+ * entropy pool falls below the write threshold, and returns a count of how -+ * much entropy (in bits) is needed to sustain the pool. -+ * - * All of these routines try to estimate how many bits of randomness a - * particular randomness source. They do this by keeping track of the - * first and second order deltas of the event timings. -@@ -958,6 +968,63 @@ void add_disk_randomness(struct gendisk - EXPORT_SYMBOL_GPL(add_disk_randomness); - #endif - -+/* -+ * random_input_words - add bulk entropy to pool -+ * -+ * @buf: buffer to add -+ * @wordcount: number of __u32 words to add -+ * @ent_count: total amount of entropy (in bits) to credit -+ * -+ * this provides bulk input of entropy to the input pool -+ * -+ */ -+void random_input_words(__u32 *buf, size_t wordcount, int ent_count) -+{ -+ mix_pool_bytes(&input_pool, buf, wordcount*4); -+ -+ credit_entropy_bits(&input_pool, ent_count); -+ -+ pr_notice("crediting %d bits => %d\n", -+ ent_count, input_pool.entropy_count); -+ /* -+ * Wake up waiting processes if we have enough -+ * entropy. -+ */ -+ if (input_pool.entropy_count >= random_read_wakeup_bits) -+ wake_up_interruptible(&random_read_wait); -+} -+EXPORT_SYMBOL(random_input_words); -+ -+/* -+ * random_input_wait - wait until random needs entropy -+ * -+ * this function sleeps until the /dev/random subsystem actually -+ * needs more entropy, and then return the amount of entropy -+ * that it would be nice to have added to the system. -+ */ -+int random_input_wait(void) -+{ -+ int count; -+ -+ wait_event_interruptible(random_write_wait, -+ input_pool.entropy_count < random_write_wakeup_bits); -+ -+ count = random_write_wakeup_bits - input_pool.entropy_count; -+ -+ /* likely we got woken up due to a signal */ -+ if (count <= 0) count = random_read_wakeup_bits; -+ -+ pr_notice("requesting %d bits from input_wait()er %d<%d\n", -+ count, -+ input_pool.entropy_count, random_write_wakeup_bits); -+ -+ return count; -+} -+EXPORT_SYMBOL(random_input_wait); -+ -+ -+#define EXTRACT_SIZE 10 -+ - /********************************************************************* - * - * Entropy extraction routines ---- a/fs/fcntl.c -+++ b/fs/fcntl.c -@@ -140,6 +140,7 @@ pid_t f_getown(struct file *filp) - read_unlock(&filp->f_owner.lock); - return pid; - } -+EXPORT_SYMBOL(sys_dup); - - static int f_setown_ex(struct file *filp, unsigned long arg) - { ---- a/include/linux/miscdevice.h -+++ b/include/linux/miscdevice.h -@@ -19,6 +19,7 @@ - #define APOLLO_MOUSE_MINOR 7 /* unused */ - #define PC110PAD_MINOR 9 /* unused */ - /*#define ADB_MOUSE_MINOR 10 FIXME OBSOLETE */ -+#define CRYPTODEV_MINOR 70 /* /dev/crypto */ - #define WATCHDOG_MINOR 130 /* Watchdog timer */ - #define TEMP_MINOR 131 /* Temperature Sensor */ - #define RTC_MINOR 135 ---- a/include/uapi/linux/random.h -+++ b/include/uapi/linux/random.h -@@ -34,6 +34,30 @@ - /* Clear the entropy pool and associated counters. (Superuser only.) */ - #define RNDCLEARPOOL _IO( 'R', 0x06 ) - -+#ifdef CONFIG_FIPS_RNG -+ -+/* Size of seed value - equal to AES blocksize */ -+#define AES_BLOCK_SIZE_BYTES 16 -+#define SEED_SIZE_BYTES AES_BLOCK_SIZE_BYTES -+/* Size of AES key */ -+#define KEY_SIZE_BYTES 16 -+ -+/* ioctl() structure used by FIPS 140-2 Tests */ -+struct rand_fips_test { -+ unsigned char key[KEY_SIZE_BYTES]; /* Input */ -+ unsigned char datetime[SEED_SIZE_BYTES]; /* Input */ -+ unsigned char seed[SEED_SIZE_BYTES]; /* Input */ -+ unsigned char result[SEED_SIZE_BYTES]; /* Output */ -+}; -+ -+/* FIPS 140-2 RNG Variable Seed Test. (Superuser only.) */ -+#define RNDFIPSVST _IOWR('R', 0x10, struct rand_fips_test) -+ -+/* FIPS 140-2 RNG Monte Carlo Test. (Superuser only.) */ -+#define RNDFIPSMCT _IOWR('R', 0x11, struct rand_fips_test) -+ -+#endif /* #ifdef CONFIG_FIPS_RNG */ -+ - struct rand_pool_info { - int entropy_count; - int buf_size; ---- a/include/linux/random.h -+++ b/include/linux/random.h -@@ -22,6 +22,10 @@ extern void add_input_randomness(unsigne - unsigned int value); - extern void add_interrupt_randomness(int irq, int irq_flags); - -+extern void random_input_words(__u32 *buf, size_t wordcount, int ent_count); -+extern int random_input_wait(void); -+#define HAS_RANDOM_INPUT_WAIT 1 -+ - extern void get_random_bytes(void *buf, int nbytes); - extern int add_random_ready_callback(struct random_ready_callback *rdy); - extern void del_random_ready_callback(struct random_ready_callback *rdy); ---- a/kernel/pid.c -+++ b/kernel/pid.c -@@ -431,6 +431,7 @@ void transfer_pid(struct task_struct *ol - new->pids[type].pid = old->pids[type].pid; - hlist_replace_rcu(&old->pids[type].node, &new->pids[type].node); - } -+EXPORT_SYMBOL(find_task_by_vpid); - - struct task_struct *pid_task(struct pid *pid, enum pid_type type) - { |