linux-kernel - [tip: core/entry] seccomp: Provide stub for __secure

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Message-ID: <159561773699.4006.1330968938608740876.tip-bot2@tip-bot2>
Date:   Fri, 24 Jul 2020 19:08:56 -0000
From:   "tip-bot2 for Thomas Gleixner" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Kees Cook <keescook@...omium.org>, x86 <x86@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: [tip: core/entry] seccomp: Provide stub for __secure_computing()

The following commit has been merged into the core/entry branch of tip:

Commit-ID:     6823ecabf03031d610a6c5afe7ed4b4fd659a99f
Gitweb:        https://git.kernel.org/tip/6823ecabf03031d610a6c5afe7ed4b4fd659a99f
Author:        Thomas Gleixner <tglx@...utronix.de>
AuthorDate:    Wed, 22 Jul 2020 23:59:55 +02:00
Committer:     Thomas Gleixner <tglx@...utronix.de>
CommitterDate: Fri, 24 Jul 2020 14:59:03 +02:00

seccomp: Provide stub for __secure_computing()

To avoid #ifdeffery in the upcoming generic syscall entry work code provide
a stub for __secure_computing() as this is preferred over
secure_computing() because the TIF flag is already evaluated.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Acked-by: Kees Cook <keescook@...omium.org>
Link: https://lkml.kernel.org/r/20200722220519.404974280@linutronix.de


---
 include/linux/seccomp.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/linux/seccomp.h b/include/linux/seccomp.h
index 4192369..03d28c3 100644
--- a/include/linux/seccomp.h
+++ b/include/linux/seccomp.h
@@ -61,6 +61,7 @@ struct seccomp_filter { };
 
 #ifdef CONFIG_HAVE_ARCH_SECCOMP_FILTER
 static inline int secure_computing(void) { return 0; }
+static inline int __secure_computing(void) { return 0; }
 #else
 static inline void secure_computing_strict(int this_syscall) { return; }
 #endif