git: b3bf22d70eb5 - stable/15 - random: garbage collect the RANDOM_PURE_OCTEON entropy source

From: David E. O'Brien <obrien_at_FreeBSD.org>
Date: Wed, 29 Oct 2025 02:40:05 UTC
The branch stable/15 has been updated by obrien:

URL: https://cgit.FreeBSD.org/src/commit/?id=b3bf22d70eb580b0a03906b17442f3950686b23a

commit b3bf22d70eb580b0a03906b17442f3950686b23a
Author:     David E. O'Brien <obrien@FreeBSD.org>
AuthorDate: 2025-10-17 00:55:51 +0000
Commit:     David E. O'Brien <obrien@FreeBSD.org>
CommitDate: 2025-10-29 01:30:57 +0000

    random: garbage collect the RANDOM_PURE_OCTEON entropy source
    
    It was used for Octeon MIPS and all producers have been removed
    from the source tree.
    
    Reviewed by: emaste
    Differential Revision:  https://reviews.freebsd.org/D53146
    (cherry picked from commit 283699338c5724253f721f4d0e488113dd49bd17)
---
 sys/dev/random/fenestrasX/fx_pool.c | 3 ---
 sys/dev/random/random_harvestq.c    | 3 +--
 sys/sys/random.h                    | 3 +--
 3 files changed, 2 insertions(+), 7 deletions(-)

diff --git a/sys/dev/random/fenestrasX/fx_pool.c b/sys/dev/random/fenestrasX/fx_pool.c
index f4ad1e295d54..ec59b97a2070 100644
--- a/sys/dev/random/fenestrasX/fx_pool.c
+++ b/sys/dev/random/fenestrasX/fx_pool.c
@@ -167,9 +167,6 @@ static const struct fxrng_ent_char {
 	[RANDOM_RANDOMDEV] = {
 		.entc_cls = &fxrng_lo_push,
 	},
-	[RANDOM_PURE_OCTEON] = {
-		.entc_cls = &fxrng_hi_push,	/* Could be made pull. */
-	},
 	[RANDOM_PURE_SAFE] = {
 		.entc_cls = &fxrng_hi_push,
 	},
diff --git a/sys/dev/random/random_harvestq.c b/sys/dev/random/random_harvestq.c
index 2d7af254c52c..3b68e41b053a 100644
--- a/sys/dev/random/random_harvestq.c
+++ b/sys/dev/random/random_harvestq.c
@@ -661,8 +661,7 @@ static const char *random_source_descr[ENTROPYSOURCE] = {
 	[RANDOM_UMA] = "UMA",
 	[RANDOM_CALLOUT] = "CALLOUT",
 	[RANDOM_RANDOMDEV] = "RANDOMDEV", /* ENVIRONMENTAL_END */
-	[RANDOM_PURE_OCTEON] = "PURE_OCTEON", /* PURE_START */
-	[RANDOM_PURE_SAFE] = "PURE_SAFE",
+	[RANDOM_PURE_SAFE] = "PURE_SAFE", /* PURE_START */
 	[RANDOM_PURE_GLXSB] = "PURE_GLXSB",
 	[RANDOM_PURE_HIFN] = "PURE_HIFN",
 	[RANDOM_PURE_RDRAND] = "PURE_RDRAND",
diff --git a/sys/sys/random.h b/sys/sys/random.h
index 2a68f0c99b6d..4dc5b74abe4f 100644
--- a/sys/sys/random.h
+++ b/sys/sys/random.h
@@ -89,8 +89,7 @@ enum random_entropy_source {
 	RANDOM_ENVIRONMENTAL_END = RANDOM_RANDOMDEV,
 	/* Fast hardware random-number sources from here on. */
 	RANDOM_PURE_START,
-	RANDOM_PURE_OCTEON = RANDOM_PURE_START,
-	RANDOM_PURE_SAFE,
+	RANDOM_PURE_SAFE = RANDOM_PURE_START,
 	RANDOM_PURE_GLXSB,
 	RANDOM_PURE_HIFN,
 	RANDOM_PURE_RDRAND,