x86/cpu/bugs: Make retpoline module warning conditional

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commit e383095c7f

If sysfs is disabled and RETPOLINE not defined:

arch/x86/kernel/cpu/bugs.c:97:13: warning: ‘spectre_v2_bad_module’ defined but not used
[-Wunused-variable]
 static bool spectre_v2_bad_module;

Hide it.

Fixes: caf7501a1b ("module/retpoline: Warn about missing retpoline in module")
Reported-by: Borislav Petkov <bp@alien8.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

...

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Thomas Gleixner 2018-01-27 15:45:14 +01:00 • committed by Greg Kroah-Hartman

parent 91ff9a75f3

commit 249b1f7a7f

1 changed files with 11 additions and 3 deletions

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arch/x86/kernel/cpu/bugs.c

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