forked from Minki/linux
b0b9b01401
Add do_arch_prctl_common() to handle arch_prctls that are not specific to 64 bit mode. Call it from the syscall entry point, but not any of the other callsites in the kernel, which all want one of the existing 64 bit only arch_prctls. Signed-off-by: Kyle Huey <khuey@kylehuey.com> Cc: Grzegorz Andrejczuk <grzegorz.andrejczuk@intel.com> Cc: kvm@vger.kernel.org Cc: Radim Krčmář <rkrcmar@redhat.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Dave Hansen <dave.hansen@linux.intel.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: linux-kselftest@vger.kernel.org Cc: Nadav Amit <nadav.amit@gmail.com> Cc: Robert O'Callahan <robert@ocallahan.org> Cc: Richard Weinberger <richard@nod.at> Cc: "Rafael J. Wysocki" <rafael.j.wysocki@intel.com> Cc: Borislav Petkov <bp@suse.de> Cc: Andy Lutomirski <luto@kernel.org> Cc: Len Brown <len.brown@intel.com> Cc: Shuah Khan <shuah@kernel.org> Cc: user-mode-linux-devel@lists.sourceforge.net Cc: Jeff Dike <jdike@addtoit.com> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: user-mode-linux-user@lists.sourceforge.net Cc: David Matlack <dmatlack@google.com> Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com> Cc: Dmitry Safonov <dsafonov@virtuozzo.com> Cc: linux-fsdevel@vger.kernel.org Cc: Paolo Bonzini <pbonzini@redhat.com> Link: http://lkml.kernel.org/r/20170320081628.18952-6-khuey@kylehuey.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
38 lines
848 B
C
38 lines
848 B
C
#ifndef _ASM_X86_PROTO_H
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#define _ASM_X86_PROTO_H
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#include <asm/ldt.h>
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/* misc architecture specific prototypes */
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void syscall_init(void);
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#ifdef CONFIG_X86_64
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void entry_SYSCALL_64(void);
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long do_arch_prctl_64(struct task_struct *task, int option, unsigned long arg2);
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#endif
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#ifdef CONFIG_X86_32
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void entry_INT80_32(void);
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void entry_SYSENTER_32(void);
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void __begin_SYSENTER_singlestep_region(void);
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void __end_SYSENTER_singlestep_region(void);
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#endif
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#ifdef CONFIG_IA32_EMULATION
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void entry_SYSENTER_compat(void);
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void __end_entry_SYSENTER_compat(void);
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void entry_SYSCALL_compat(void);
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void entry_INT80_compat(void);
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#endif
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void x86_configure_nx(void);
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void x86_report_nx(void);
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extern int reboot_force;
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long do_arch_prctl_common(struct task_struct *task, int option,
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unsigned long cpuid_enabled);
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#endif /* _ASM_X86_PROTO_H */
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