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authorThomas Gleixner <tglx@linutronix.de>2017-09-12 21:37:14 +0200
committerIngo Molnar <mingo@kernel.org>2017-09-14 11:41:07 +0200
commit51d4052b01ca555e0d1d5fe297b309beb6c64aa0 (patch)
treea1a54fe4d90c13a924f364a4b5a8fe15ba4453c1 /kernel/latencytop.c
parentwatchdog/core: Clean up header mess (diff)
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watchdog/sysctl: Get rid of the #ifdeffery
The sysctl of the nmi_watchdog file prevents writes by setting: min = max = 0 if none of the users is enabled. That involves ifdeffery and is competely non obvious. If none of the facilities is enabeld, then the file can simply be made read only. Move the ifdeffery into the header and use a constant for file permissions. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Don Zickus <dzickus@redhat.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Chris Metcalf <cmetcalf@mellanox.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Nicholas Piggin <npiggin@gmail.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Sebastian Siewior <bigeasy@linutronix.de> Cc: Ulrich Obergfell <uobergfe@redhat.com> Link: http://lkml.kernel.org/r/20170912194147.706073616@linutronix.de Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/latencytop.c')
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