x86/entry/vsyscall: Fix undefined symbol warning
Commit:
3dc33bd30f
("x86/entry/vsyscall: Add CONFIG to control default")
did the ifdef/elif thing but GCC doesn't like that:
arch/x86/entry/vsyscall/vsyscall_64.c:44:7: warning: "CONFIG_LEGACY_VSYSCALL_NONE" is not defined [-Wundef]
#elif CONFIG_LEGACY_VSYSCALL_NONE
^
Use defined() instead.
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Brian Gerst <brgerst@gmail.com>
Cc: Denys Vlasenko <dvlasenk@redhat.com>
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Josh Triplett <josh@joshtriplett.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20150921074829.GA3550@pd.tnic
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Родитель
3dc33bd30f
Коммит
93f13a9f96
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@ -39,9 +39,9 @@
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#include "vsyscall_trace.h"
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static enum { EMULATE, NATIVE, NONE } vsyscall_mode =
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#ifdef CONFIG_LEGACY_VSYSCALL_NATIVE
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#if defined(CONFIG_LEGACY_VSYSCALL_NATIVE)
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NATIVE;
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#elif CONFIG_LEGACY_VSYSCALL_NONE
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#elif defined(CONFIG_LEGACY_VSYSCALL_NONE)
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NONE;
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#else
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EMULATE;
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