diff options
author | juhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-04-21 15:18:55 +0000 |
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committer | juhosg <juhosg@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2012-04-21 15:18:55 +0000 |
commit | f480dd5941ebd6ea9622715f7b8d1e240d01c903 (patch) | |
tree | 0e218522de42e6e66e11362d3b24d31edb1f3dd5 /target/linux/generic/patches-2.6.30/971-ocf_20110720.patch | |
parent | 696e0160a59b1993df22c1dbd44855bee6fbfcfe (diff) |
linux/2.6.30: R.I.P.
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31411 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic/patches-2.6.30/971-ocf_20110720.patch')
-rw-r--r-- | target/linux/generic/patches-2.6.30/971-ocf_20110720.patch | 122 |
1 files changed, 0 insertions, 122 deletions
diff --git a/target/linux/generic/patches-2.6.30/971-ocf_20110720.patch b/target/linux/generic/patches-2.6.30/971-ocf_20110720.patch deleted file mode 100644 index 3f22153fe..000000000 --- a/target/linux/generic/patches-2.6.30/971-ocf_20110720.patch +++ /dev/null @@ -1,122 +0,0 @@ - ---- a/drivers/char/random.c -+++ b/drivers/char/random.c -@@ -129,6 +129,9 @@ - * unsigned int value); - * void add_interrupt_randomness(int irq); - * -+ * 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. - * -@@ -140,6 +143,13 @@ - * a better measure, since the timing of the disk interrupts are more - * unpredictable. - * -+ * 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. -@@ -712,6 +722,61 @@ void add_disk_randomness(struct gendisk - } - #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); -+ -+ DEBUG_ENT("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_thresh) -+ 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_thresh); -+ -+ count = random_write_wakeup_thresh - input_pool.entropy_count; -+ -+ /* likely we got woken up due to a signal */ -+ if (count <= 0) count = random_read_wakeup_thresh; -+ -+ DEBUG_ENT("requesting %d bits from input_wait()er %d<%d\n", -+ count, -+ input_pool.entropy_count, random_write_wakeup_thresh); -+ -+ return count; -+} -+EXPORT_SYMBOL(random_input_wait); -+ -+ - #define EXTRACT_SIZE 10 - - /********************************************************************* ---- a/fs/fcntl.c -+++ b/fs/fcntl.c -@@ -196,6 +196,7 @@ static int setfl(int fd, struct file * f - out: - return error; - } -+EXPORT_SYMBOL(sys_dup); - - static void f_modown(struct file *filp, struct pid *pid, enum pid_type type, - uid_t uid, uid_t euid, int force) ---- a/include/linux/miscdevice.h -+++ b/include/linux/miscdevice.h -@@ -12,6 +12,7 @@ - #define APOLLO_MOUSE_MINOR 7 - #define PC110PAD_MINOR 9 - /*#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/linux/random.h -+++ b/include/linux/random.h -@@ -50,6 +50,10 @@ extern void add_input_randomness(unsigne - unsigned int value); - extern void add_interrupt_randomness(int irq); - -+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); - void generate_random_uuid(unsigned char uuid_out[16]); - |