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watchdog/perf: rename watchdog_hld.c to watchdog_perf.c
The code currently in "watchdog_hld.c" is for detecting hardlockups using perf, as evidenced by the line in the Makefile that only compiles this file if CONFIG_HARDLOCKUP_DETECTOR_PERF is defined. Rename the file to prepare for the buddy hardlockup detector, which doesn't use perf. It could be argued that the new name makes it less obvious that this is a hardlockup detector. While true, it's not hard to remember that the "perf" detector is always a hardlockup detector and it's nice not to have names that are too convoluted. Link: https://lkml.kernel.org/r/20230519101840.v5.7.Ice803cb078d0e15fb2cbf49132f096ee2bd4199d@changeid Signed-off-by: Douglas Anderson <dianders@chromium.org> Acked-by: Nicholas Piggin <npiggin@gmail.com> Reviewed-by: Petr Mladek <pmladek@suse.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Chen-Yu Tsai <wens@csie.org> Cc: Christophe Leroy <christophe.leroy@csgroup.eu> Cc: Colin Cross <ccross@android.com> Cc: Daniel Thompson <daniel.thompson@linaro.org> Cc: "David S. Miller" <davem@davemloft.net> Cc: Guenter Roeck <groeck@chromium.org> Cc: Ian Rogers <irogers@google.com> Cc: Lecopzer Chen <lecopzer.chen@mediatek.com> Cc: Marc Zyngier <maz@kernel.org> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Masayoshi Mizuma <msys.mizuma@gmail.com> Cc: Matthias Kaehlcke <mka@chromium.org> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Pingfan Liu <kernelfans@gmail.com> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: "Ravi V. Shankar" <ravi.v.shankar@intel.com> Cc: Ricardo Neri <ricardo.neri@intel.com> Cc: Stephane Eranian <eranian@google.com> Cc: Stephen Boyd <swboyd@chromium.org> Cc: Sumit Garg <sumit.garg@linaro.org> Cc: Tzung-Bi Shih <tzungbi@chromium.org> Cc: Will Deacon <will@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
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@ -91,7 +91,7 @@ obj-$(CONFIG_FAIL_FUNCTION) += fail_function.o
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obj-$(CONFIG_KGDB) += debug/
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obj-$(CONFIG_DETECT_HUNG_TASK) += hung_task.o
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obj-$(CONFIG_LOCKUP_DETECTOR) += watchdog.o
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obj-$(CONFIG_HARDLOCKUP_DETECTOR_PERF) += watchdog_hld.o
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obj-$(CONFIG_HARDLOCKUP_DETECTOR_PERF) += watchdog_perf.o
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obj-$(CONFIG_SECCOMP) += seccomp.o
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obj-$(CONFIG_RELAY) += relay.o
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obj-$(CONFIG_SYSCTL) += utsname_sysctl.o
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@ -1,6 +1,6 @@
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// SPDX-License-Identifier: GPL-2.0
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/*
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* Detect hard lockups on a system
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* Detect hard lockups on a system using perf
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*
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* started by Don Zickus, Copyright (C) 2010 Red Hat, Inc.
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*
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