Commit 91f3f1e3 authored Feb 06, 2008 by Matt Mackall Committed by Linus Torvalds Feb 06, 2008

drivers/char/random.c:write_pool() cond_resched() needed



Reduce latency for large writes to /dev/[u]random

Signed-off-by: Matt Mackall <mpm@selenic.com>
Cc: Sami Farin <safari-kernel@safari.iki.fi>
Cc: Theodore Ts'o <tytso@mit.edu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

parent 5ab24c79

drivers/char/random.c

+1 −0

Original line number	Original line	Diff line number	Diff line
	@@ -1039,6 +1039,7 @@ write_pool(struct entropy_store r, const char __user buffer, size_t count)
	p += bytes;		p += bytes;

	add_entropy_words(r, buf, (bytes + 3) / 4);		add_entropy_words(r, buf, (bytes + 3) / 4);
			cond_resched();
	}		}

	return 0;		return 0;