linux-kernel - [PATCH 4/4] sparc: fix accurate exception reporting in copy_{from_to}

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Message-ID: <20250826160312.2070-5-kernel@mkarcher.dialup.fu-berlin.de>
Date: Tue, 26 Aug 2025 18:03:06 +0200
From: Michael Karcher <kernel@...rcher.dialup.fu-berlin.de>
To: linux-kernel@...r.kernel.org
Cc: sparclinux@...r.kernel.org,
	Michael Karcher <kernel@...rcher.dialup.fu-berlin.de>,
	Andreas Larsson <andreas@...sler.com>,
	John Paul Adrian Glaubitz <glaubitz@...sik.fu-berlin.de>,
	Anthony Yznaga <anthony.yznaga@...cle.com>
Subject: [PATCH 4/4] sparc: fix accurate exception reporting in copy_{from_to}_user for Niagara 4

Fixes: 957077048009 ("sparc64: Convert NG4copy_{from,to}_user to accurate exception reporting.")
Signed-off-by: Michael Karcher <kernel@...rcher.dialup.fu-berlin.de>
---
 arch/sparc/lib/NG4memcpy.S | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/sparc/lib/NG4memcpy.S b/arch/sparc/lib/NG4memcpy.S
index 7ad58ebe0d00..df0ec1bd1948 100644
--- a/arch/sparc/lib/NG4memcpy.S
+++ b/arch/sparc/lib/NG4memcpy.S
@@ -281,7 +281,7 @@ FUNC_NAME:	/* %o0=dst, %o1=src, %o2=len */
 	subcc		%o5, 0x20, %o5
 	EX_ST(STORE(stx, %g1, %o0 + 0x00), memcpy_retl_o2_plus_o5_plus_32)
 	EX_ST(STORE(stx, %g2, %o0 + 0x08), memcpy_retl_o2_plus_o5_plus_24)
-	EX_ST(STORE(stx, GLOBAL_SPARE, %o0 + 0x10), memcpy_retl_o2_plus_o5_plus_24)
+	EX_ST(STORE(stx, GLOBAL_SPARE, %o0 + 0x10), memcpy_retl_o2_plus_o5_plus_16)
 	EX_ST(STORE(stx, %o4, %o0 + 0x18), memcpy_retl_o2_plus_o5_plus_8)
 	bne,pt		%icc, 1b
 	 add		%o0, 0x20, %o0
-- 
2.50.1