* [PATCH] parisc/unaligned: Fix emulate_ldw() breakage
@ 2022-06-26 23:39 Helge Deller
0 siblings, 0 replies; only message in thread
From: Helge Deller @ 2022-06-26 23:39 UTC (permalink / raw)
To: linux-parisc, James Bottomley, John David Anglin
Fix the 32-bit ldw() emulation by using the correct register when calculating
the shift of two 32-bit registers.
Signed-off-by: Helge Deller <deller@gmx.de>
Fixes: e8aa7b17fe41 ("parisc/unaligned: Rewrite inline assembly of emulate_ldw()")
Cc: stable@vger.kernel.org # v5.18
---
arch/parisc/kernel/unaligned.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/parisc/kernel/unaligned.c b/arch/parisc/kernel/unaligned.c
index ed1e88a74dc4..bac581b5ecfc 100644
--- a/arch/parisc/kernel/unaligned.c
+++ b/arch/parisc/kernel/unaligned.c
@@ -146,7 +146,7 @@ static int emulate_ldw(struct pt_regs *regs, int toreg, int flop)
" depw %%r0,31,2,%4\n"
"1: ldw 0(%%sr1,%4),%0\n"
"2: ldw 4(%%sr1,%4),%3\n"
-" subi 32,%4,%2\n"
+" subi 32,%2,%2\n"
" mtctl %2,11\n"
" vshd %0,%3,%0\n"
"3: \n"
--
2.35.3
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2022-06-26 23:39 [PATCH] parisc/unaligned: Fix emulate_ldw() breakage Helge Deller
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