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authorWill Deacon <will.deacon@arm.com>2011-06-06 15:49:23 +0100
committerWill Deacon <will.deacon@arm.com>2011-12-12 16:07:35 +0000
commit02b73e2e9c288cbbb6ec96bef628cf08e29824c4 (patch)
tree0cf7662397eee9f2f2059c5bef8fedbdacad360a /arch/arm/mach-omap1/time.c
parent290130a17718c1451bb8a77a5e2510e0279bd5f3 (diff)
ARM: stop: execute platform callback from cpu_stop code
Sending IPI_CPU_STOP to a CPU causes it to execute a busy cpu_relax loop forever. This makes it impossible to kexec successfully on an SMP system since the secondary CPUs do not reset. This patch adds a callback to platform_cpu_kill, defined when CONFIG_HOTPLUG_CPU=y, from the ipi_cpu_stop handling code. This function currently just returns 1 on all platforms that define it but allows them to do something more sophisticated in the future. Signed-off-by: Will Deacon <will.deacon@arm.com>
Diffstat (limited to 'arch/arm/mach-omap1/time.c')
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