linux-kernel - [PATCH] random: Drop ARCH limitations for CONFIG_RANDOM_TRUST

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20200329082909.193910-1-alexander.sverdlin@gmail.com>
Date:   Sun, 29 Mar 2020 10:29:09 +0200
From:   Alexander Sverdlin <alexander.sverdlin@...il.com>
To:     Theodore Ts'o <tytso@....edu>, linux-kernel@...r.kernel.org
Cc:     Alexander Sverdlin <alexander.sverdlin@...il.com>,
        Arnd Bergmann <arnd@...db.de>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Herbert Xu <herbert@...dor.apana.org.au>
Subject: [PATCH] random: Drop ARCH limitations for CONFIG_RANDOM_TRUST_CPU

The option itself looks attractive for the embedded devices which often
have HWRNG but less entropy from user-input. And these devices are often
ARM/ARM64 or MIPS. The reason to limit it to X86/S390/PPC is not obvious.

Signed-off-by: Alexander Sverdlin <alexander.sverdlin@...il.com>
---
 drivers/char/Kconfig | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig
index 26956c006987..abc874722251 100644
--- a/drivers/char/Kconfig
+++ b/drivers/char/Kconfig
@@ -539,7 +539,6 @@ endmenu
 
 config RANDOM_TRUST_CPU
 	bool "Trust the CPU manufacturer to initialize Linux's CRNG"
-	depends on X86 || S390 || PPC
 	default n
 	help
 	Assume that CPU manufacturer (e.g., Intel or AMD for RDSEED or
-- 
2.25.1