linux-kernel - [RFC PATCH 14/41] random: drop __credit_entropy_bits

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Date:   Mon, 21 Sep 2020 09:58:30 +0200
From:   Nicolai Stange <nstange@...e.de>
To:     "Theodore Y. Ts'o" <tytso@....edu>
Cc:     linux-crypto@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Eric W. Biederman" <ebiederm@...ssion.com>,
        "Alexander E. Patrakov" <patrakov@...il.com>,
        "Ahmed S. Darwish" <darwish.07@...il.com>,
        Willy Tarreau <w@....eu>,
        Matthew Garrett <mjg59@...f.ucam.org>,
        Vito Caputo <vcaputo@...garu.com>,
        Andreas Dilger <adilger.kernel@...ger.ca>,
        Jan Kara <jack@...e.cz>, Ray Strode <rstrode@...hat.com>,
        William Jon McCann <mccann@....edu>,
        zhangjs <zachary@...shancloud.com>,
        Andy Lutomirski <luto@...nel.org>,
        Florian Weimer <fweimer@...hat.com>,
        Lennart Poettering <mzxreary@...inter.de>,
        Peter Matthias <matthias.peter@....bund.de>,
        Marcelo Henrique Cerri <marcelo.cerri@...onical.com>,
        Roman Drahtmueller <draht@...altsekun.de>,
        Neil Horman <nhorman@...hat.com>,
        Randy Dunlap <rdunlap@...radead.org>,
        Julia Lawall <julia.lawall@...ia.fr>,
        Dan Carpenter <dan.carpenter@...cle.com>,
        Andy Lavr <andy.lavr@...il.com>,
        Eric Biggers <ebiggers@...nel.org>,
        "Jason A. Donenfeld" <Jason@...c4.com>,
        Stephan Müller <smueller@...onox.de>,
        Torsten Duwe <duwe@...e.de>, Petr Tesarik <ptesarik@...e.cz>,
        Nicolai Stange <nstange@...e.de>
Subject: [RFC PATCH 14/41] random: drop __credit_entropy_bits_fast()

All former call sites of __credit_entropy_bits_fast() have been converted
to the new __dispatch_queued_entropy_fast() API. Drop the now unused
__credit_entropy_bits_fast().

Signed-off-by: Nicolai Stange <nstange@...e.de>
---
 drivers/char/random.c | 14 --------------
 1 file changed, 14 deletions(-)

diff --git a/drivers/char/random.c b/drivers/char/random.c
index dfbe49fdbcf1..60ce185d7b2d 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -900,20 +900,6 @@ static bool __dispatch_queued_entropy_fast(struct entropy_store *r,
 	return false;
 }
 
-/*
- * Credit the entropy store with n bits of entropy.
- * To be used from hot paths when it is either known that nbits is
- * smaller than one half of the pool size or losing anything beyond that
- * doesn't matter. Must be called with r->lock being held.
- */
-static bool __credit_entropy_bits_fast(struct entropy_store *r, int nbits)
-{
-	struct queued_entropy q = { 0 };
-
-	__queue_entropy(r, &q, nbits << ENTROPY_SHIFT);
-	return __dispatch_queued_entropy_fast(r, &q);
-}
-
 /*
  * Credit the pool with previously queued entropy.
  *
-- 
2.26.2