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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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613e396bc0
init_espfix_bsp() needs to be invoked before the page table isolation initialization. Move it into mm_init() which is the place where pti_init() will be added. While at it get rid of the #ifdeffery and provide proper stub functions. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Andy Lutomirski <luto@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: H. Peter Anvin <hpa@zytor.com> Cc: Josh Poimboeuf <jpoimboe@redhat.com> Cc: Juergen Gross <jgross@suse.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Signed-off-by: Ingo Molnar <mingo@kernel.org>
19 lines
426 B
C
19 lines
426 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_X86_ESPFIX_H
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#define _ASM_X86_ESPFIX_H
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#ifdef CONFIG_X86_ESPFIX64
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#include <asm/percpu.h>
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DECLARE_PER_CPU_READ_MOSTLY(unsigned long, espfix_stack);
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DECLARE_PER_CPU_READ_MOSTLY(unsigned long, espfix_waddr);
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extern void init_espfix_bsp(void);
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extern void init_espfix_ap(int cpu);
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#else
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static inline void init_espfix_ap(int cpu) { }
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#endif
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#endif /* _ASM_X86_ESPFIX_H */
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