From: Jason A. Donenfeld Date: Thu, 13 Jan 2022 14:51:06 +0000 (+0100) Subject: random: remove unused OUTPUT_POOL constants X-Git-Tag: v6.6.17~8364^2~6 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0f63702718c91d89c922081ac1e6baeddc2d8b1a;p=platform%2Fkernel%2Flinux-rpi.git random: remove unused OUTPUT_POOL constants We no longer have an output pool. Rather, we have just a wakeup bits threshold for /dev/random reads, presumably so that processes don't hang. This value, random_write_wakeup_bits, is configurable anyway. So all the no longer usefully named OUTPUT_POOL constants were doing was setting a reasonable default for random_write_wakeup_bits. This commit gets rid of the constants and just puts it all in the default value of random_write_wakeup_bits. Reviewed-by: Dominik Brodowski Signed-off-by: Jason A. Donenfeld --- diff --git a/drivers/char/random.c b/drivers/char/random.c index 40de9f4..74d43bc 100644 --- a/drivers/char/random.c +++ b/drivers/char/random.c @@ -363,8 +363,6 @@ */ #define INPUT_POOL_SHIFT 12 #define INPUT_POOL_WORDS (1 << (INPUT_POOL_SHIFT-5)) -#define OUTPUT_POOL_SHIFT 10 -#define OUTPUT_POOL_WORDS (1 << (OUTPUT_POOL_SHIFT-5)) #define EXTRACT_SIZE (BLAKE2S_HASH_SIZE / 2) /* @@ -382,7 +380,7 @@ * should wake up processes which are selecting or polling on write * access to /dev/random. */ -static int random_write_wakeup_bits = 28 * OUTPUT_POOL_WORDS; +static int random_write_wakeup_bits = 28 * (1 << 5); /* * Originally, we used a primitive polynomial of degree .poolwords