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error-injection: Consolidate override function definition

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The function override_function_with_return() is defined separately for
each architecture and every architecture's definition is almost same
with each other.  E.g. x86 and powerpc both define function in its own
asm/error-injection.h header and override_function_with_return() has
the same definition, the only difference is that x86 defines an extra
function just_return_func() but it is specific for x86 and is only used
by x86's override_function_with_return(), so don't need to export this
function.

This patch consolidates override_function_with_return() definition into
asm-generic/error-injection.h header, thus all architectures can use the
common definition.  As result, the architecture specific headers are
removed; the include/linux/error-injection.h header also changes to
include asm-generic/error-injection.h header rather than architecture
header, furthermore, it includes linux/compiler.h for successful
compilation.

Reviewed-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Leo Yan <leo.yan@linaro.org>
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Leo Yan
2019-08-06 18:00:13 +08:00
committed by Will Deacon
parent e21a712a96
commit 45880f7b7b
4 changed files with 9 additions and 29 deletions
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13
arch/powerpc/include/asm/error-injection.h
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@@ -1,13 +0,0 @@
/* SPDX-License-Identifier: GPL-2.0+ */
#ifndef _ASM_ERROR_INJECTION_H
#define _ASM_ERROR_INJECTION_H
#include <linux/compiler.h>
#include <linux/linkage.h>
#include <asm/ptrace.h>
#include <asm-generic/error-injection.h>
void override_function_with_return(struct pt_regs *regs);
#endif /* _ASM_ERROR_INJECTION_H */