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Date:   Mon, 17 Feb 2020 17:52:41 -0000
From:   "tip-bot2 for Benjamin Thiel" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Benjamin Thiel <b.thiel@...teo.de>, Borislav Petkov <bp@...e.de>,
        x86 <x86@...nel.org>, LKML <linux-kernel@...r.kernel.org>
Subject: [tip: x86/cleanups] x86/syscalls: Add prototypes for C syscall callbacks

The following commit has been merged into the x86/cleanups branch of tip:

Commit-ID:     99ce3255fddf08fca9249488793c9b5c909ff0ab
Gitweb:        https://git.kernel.org/tip/99ce3255fddf08fca9249488793c9b5c909ff0ab
Author:        Benjamin Thiel <b.thiel@...teo.de>
AuthorDate:    Thu, 23 Jan 2020 16:27:54 +01:00
Committer:     Borislav Petkov <bp@...e.de>
CommitterDate: Mon, 17 Feb 2020 18:22:25 +01:00

x86/syscalls: Add prototypes for C syscall callbacks

.. in order to fix a couple of -Wmissing-prototypes warnings.

No functional change.

 [ bp: Massage commit message and drop newlines. ]

Signed-off-by: Benjamin Thiel <b.thiel@...teo.de>
Signed-off-by: Borislav Petkov <bp@...e.de>
Link: https://lkml.kernel.org/r/20200123152754.20149-1-b.thiel@posteo.de
---
 arch/x86/entry/common.c        | 1 +
 arch/x86/include/asm/syscall.h | 5 +++++
 2 files changed, 6 insertions(+)

diff --git a/arch/x86/entry/common.c b/arch/x86/entry/common.c
index 9747876..ec167d8 100644
--- a/arch/x86/entry/common.c
+++ b/arch/x86/entry/common.c
@@ -34,6 +34,7 @@
 #include <asm/fpu/api.h>
 #include <asm/nospec-branch.h>
 #include <asm/io_bitmap.h>
+#include <asm/syscall.h>
 
 #define CREATE_TRACE_POINTS
 #include <trace/events/syscalls.h>
diff --git a/arch/x86/include/asm/syscall.h b/arch/x86/include/asm/syscall.h
index 8db3fdb..d20ffc5 100644
--- a/arch/x86/include/asm/syscall.h
+++ b/arch/x86/include/asm/syscall.h
@@ -168,6 +168,11 @@ static inline int syscall_get_arch(struct task_struct *task)
 		task->thread_info.status & TS_COMPAT)
 		? AUDIT_ARCH_I386 : AUDIT_ARCH_X86_64;
 }
+
+void do_syscall_64(unsigned long nr, struct pt_regs *regs);
+void do_int80_syscall_32(struct pt_regs *regs);
+long do_fast_syscall_32(struct pt_regs *regs);
+
 #endif	/* CONFIG_X86_32 */
 
 #endif	/* _ASM_X86_SYSCALL_H */

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