linux-kernel - [PATCH v2 8/8] Documentation/kernel-parameters: Add riscv unaligned speed parameters

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Message-ID: <20250221145718.115076-18-ajones@ventanamicro.com>
Date: Fri, 21 Feb 2025 15:57:27 +0100
From: Andrew Jones <ajones@...tanamicro.com>
To: linux-riscv@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	linux-doc@...r.kernel.org
Cc: paul.walmsley@...ive.com,
	palmer@...belt.com,
	charlie@...osinc.com,
	cleger@...osinc.com,
	alex@...ti.fr,
	Anup Patel <apatel@...tanamicro.com>,
	corbet@....net
Subject: [PATCH v2 8/8] Documentation/kernel-parameters: Add riscv unaligned speed parameters

Document riscv parameters used to select scalar and vector unaligned
access speeds.

Signed-off-by: Andrew Jones <ajones@...tanamicro.com>
---
 Documentation/admin-guide/kernel-parameters.txt | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index fb8752b42ec8..9e3c5fecfa52 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -7477,6 +7477,22 @@
 			Note that genuine overcurrent events won't be
 			reported either.
 
+	unaligned_scalar_speed=
+			[RISCV]
+			Format: {slow | fast | unsupported}
+			Allow skipping scalar unaligned access speed tests. This
+			is useful for testing alternative code paths and to skip
+			the tests in environments where they run too slowly. All
+			CPUs must have the same scalar unaligned access speed.
+
+	unaligned_vector_speed=
+			[RISCV]
+			Format: {slow | fast | unsupported}
+			Allow skipping vector unaligned access speed tests. This
+			is useful for testing alternative code paths and to skip
+			the tests in environments where they run too slowly. All
+			CPUs must have the same vector unaligned access speed.
+
 	unknown_nmi_panic
 			[X86] Cause panic on unknown NMI.
 
-- 
2.48.1