linux-kernel - [PATCH 4.19 038/234] linux/random.h: Remove arch_has_random, arch_has_random

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Date:   Thu, 23 Jun 2022 18:41:45 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Richard Henderson <rth@...ddle.net>,
        Mark Brown <broonie@...nel.org>, Theodore Tso <tytso@....edu>,
        "Jason A. Donenfeld" <Jason@...c4.com>
Subject: [PATCH 4.19 038/234] linux/random.h: Remove arch_has_random, arch_has_random_seed

From: Richard Henderson <richard.henderson@...aro.org>

commit 647f50d5d9d933b644b29c54f13ac52af1b1774d upstream.

The arm64 version of archrandom.h will need to be able to test for
support and read the random number without preemption, so a separate
query predicate is not practical.

Since this part of the generic interface is unused, remove it.

Signed-off-by: Richard Henderson <rth@...ddle.net>
Signed-off-by: Mark Brown <broonie@...nel.org>
Link: https://lore.kernel.org/r/20200110145422.49141-5-broonie@kernel.org
Signed-off-by: Theodore Ts'o <tytso@....edu>
Signed-off-by: Jason A. Donenfeld <Jason@...c4.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 include/linux/random.h |    8 --------
 1 file changed, 8 deletions(-)

--- a/include/linux/random.h
+++ b/include/linux/random.h
@@ -126,10 +126,6 @@ static inline bool arch_get_random_int(u
 {
 	return 0;
 }
-static inline bool arch_has_random(void)
-{
-	return 0;
-}
 static inline bool arch_get_random_seed_long(unsigned long *v)
 {
 	return 0;
@@ -138,10 +134,6 @@ static inline bool arch_get_random_seed_
 {
 	return 0;
 }
-static inline bool arch_has_random_seed(void)
-{
-	return 0;
-}
 #endif
 
 #endif /* _LINUX_RANDOM_H */