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Automatically decide between nobp vs. expolines if the spectre_v2=auto kernel parameter is specified or CONFIG_EXPOLINE_AUTO=y is set. The decision made at boot time due to CONFIG_EXPOLINE_AUTO=y being set can be overruled with the nobp, nospec and spectre_v2 kernel parameters. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
17 lines
311 B
C
17 lines
311 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_S390_EXPOLINE_H
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#define _ASM_S390_EXPOLINE_H
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#ifndef __ASSEMBLY__
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#include <linux/types.h>
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extern int nospec_disable;
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void nospec_init_branches(void);
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void nospec_revert(s32 *start, s32 *end);
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#endif /* __ASSEMBLY__ */
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#endif /* _ASM_S390_EXPOLINE_H */
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