Commit 96b80fcd authored Jun 27, 2022 by Helge Deller

parisc/unaligned: Fix emulate_ldw() breakage



The commit e8aa7b17 broke the 32-bit load-word unalignment exception
handler because it calculated the wrong amount of bits by which the value
should be shifted. This patch fixes it.

Signed-off-by: Helge Deller <deller@gmx.de>
Fixes: e8aa7b17 ("parisc/unaligned: Rewrite inline assembly of emulate_ldw()")
Cc: stable@vger.kernel.org   # v5.18

parent 03c765b0

arch/parisc/kernel/unaligned.c

+1 −1

Original line number	Original line	Diff line number	Diff line
	@@ -146,7 +146,7 @@ static int emulate_ldw(struct pt_regs *regs, int toreg, int flop)
	" depw %%r0,31,2,%4\n"		" depw %%r0,31,2,%4\n"
	"1: ldw 0(%%sr1,%4),%0\n"		"1: ldw 0(%%sr1,%4),%0\n"
	"2: ldw 4(%%sr1,%4),%3\n"		"2: ldw 4(%%sr1,%4),%3\n"
	" subi 32,%4,%2\n"		" subi 32,%2,%2\n"
	" mtctl %2,11\n"		" mtctl %2,11\n"
	" vshd %0,%3,%0\n"		" vshd %0,%3,%0\n"
	"3: \n"		"3: \n"