41d6cf68b5
When probe_kernel_read_inst() was created, it was to mimic probe_kernel_read() function. Since then, probe_kernel_read() has been renamed copy_from_kernel_nofault(). Rename probe_kernel_read_inst() into copy_inst_from_kernel_nofault(). Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/b783d1f7cdb8914992384a669a2af57051b6bdcf.1618405715.git.christophe.leroy@csgroup.eu
27 lines
614 B
C
27 lines
614 B
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright 2020, IBM Corporation.
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*/
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#include <linux/uaccess.h>
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#include <asm/disassemble.h>
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#include <asm/inst.h>
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#include <asm/ppc-opcode.h>
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int copy_inst_from_kernel_nofault(struct ppc_inst *inst, struct ppc_inst *src)
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{
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unsigned int val, suffix;
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int err;
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err = copy_from_kernel_nofault(&val, src, sizeof(val));
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if (err)
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return err;
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if (IS_ENABLED(CONFIG_PPC64) && get_op(val) == OP_PREFIX) {
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err = copy_from_kernel_nofault(&suffix, (void *)src + 4, 4);
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*inst = ppc_inst_prefix(val, suffix);
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} else {
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*inst = ppc_inst(val);
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}
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return err;
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}
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