The patch titled
random: consolidate wakeup logic
has been removed from the -mm tree. Its filename was
random-consolidate-wakeup-logic.patch
This patch was dropped because it was merged into mainline or a subsystem tree
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: random: consolidate wakeup logic
From: Matt Mackall <mpm@xxxxxxxxxxx>
Signed-off-by: Matt Mackall <mpm@xxxxxxxxxxx>
Cc: Theodore Ts'o <tytso@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
drivers/char/random.c | 20 ++++----------------
1 file changed, 4 insertions(+), 16 deletions(-)
diff -puN drivers/char/random.c~random-consolidate-wakeup-logic drivers/char/random.c
--- a/drivers/char/random.c~random-consolidate-wakeup-logic
+++ a/drivers/char/random.c
@@ -540,6 +540,10 @@ static void credit_entropy_store(struct
nbits, r->name);
}
+ /* should we wake readers? */
+ if (r == &input_pool && r->entropy_count >= random_read_wakeup_thresh)
+ wake_up_interruptible(&random_read_wait);
+
spin_unlock_irqrestore(&r->lock, flags);
}
@@ -624,10 +628,6 @@ static void add_timer_randomness(struct
credit_entropy_store(&input_pool,
min_t(int, fls(delta>>1), 11));
}
-
- if (input_pool.entropy_count >= random_read_wakeup_thresh)
- wake_up_interruptible(&random_read_wait);
-
out:
preempt_enable();
}
@@ -1081,12 +1081,6 @@ static int random_ioctl(struct inode *in
if (get_user(ent_count, p))
return -EFAULT;
credit_entropy_store(&input_pool, ent_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);
return 0;
case RNDADDENTROPY:
if (!capable(CAP_SYS_ADMIN))
@@ -1102,12 +1096,6 @@ static int random_ioctl(struct inode *in
if (retval < 0)
return retval;
credit_entropy_store(&input_pool, ent_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);
return 0;
case RNDZAPENTCNT:
case RNDCLEARPOOL:
_
Patches currently in -mm which might be from mpm@xxxxxxxxxxx are
origin.patch
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