/* * Copyright (C) 2016 Cogent Embedded Inc. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; version 2 of the License. */ #ifndef __DT_BINDINGS_POWER_R8A7792_SYSC_H__ #define __DT_BINDINGS_POWER_R8A7792_SYSC_H__ /* * These power domain indices match the numbers of the interrupt bits * representing the power areas in the various Interrupt Registers * (e.g. SYSCISR, Interrupt Status Register) */ #define R8A7792_PD_CA15_CPU0 0 #define R8A7792_PD_CA15_CPU1 1 #define R8A7792_PD_CA15_SCU 12 #define R8A7792_PD_SGX 20 #define R8A7792_PD_IMP 24 /* Always-on power area */ #define R8A7792_PD_ALWAYS_ON 32 #endif /* __DT_BINDINGS_POWER_R8A7792_SYSC_H__ */ /cgit.cgi/linux/net-next.git/'>net-next.git
net-next plumbingsTobias Klauser
summaryrefslogtreecommitdiff
path: root/tools/perf/Documentation/Build.txt
diff options
context:
space:
mode:
authorThomas Gleixner <tglx@linutronix.de>2017-01-31 09:37:34 +0100
committerThomas Gleixner <tglx@linutronix.de>2017-01-31 21:47:58 +0100
commit0becc0ae5b42828785b589f686725ff5bc3b9b25 (patch)
treebe6d0e1f37c38ed0a7dd5da2d4b1e93f0fb43101 /tools/perf/Documentation/Build.txt
parent24c2503255d35c269b67162c397a1a1c1e02f6ce (diff)
x86/mce: Make timer handling more robust
Erik reported that on a preproduction hardware a CMCI storm triggers the BUG_ON in add_timer_on(). The reason is that the per CPU MCE timer is started by the CMCI logic before the MCE CPU hotplug callback starts the timer with add_timer_on(). So the timer is already queued which triggers the BUG. Using add_timer_on() is pretty pointless in this code because the timer is strictlty per CPU, initialized as pinned and all operations which arm the timer happen on the CPU to which the timer belongs. Simplify the whole machinery by using mod_timer() instead of add_timer_on() which avoids the problem because mod_timer() can handle already queued timers. Use __start_timer() everywhere so the earliest armed expiry time is preserved. Reported-by: Erik Veijola <erik.veijola@intel.com> Tested-by: Borislav Petkov <bp@alien8.de> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Borislav Petkov <bp@alien8.de> Cc: Tony Luck <tony.luck@intel.com> Link: http://lkml.kernel.org/r/alpine.DEB.2.20.1701310936080.3457@nanos Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'tools/perf/Documentation/Build.txt')