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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2017-04-05 17:54:49 +1000
committerMichael Ellerman <mpe@ellerman.id.au>2017-04-07 12:01:27 +1000
commita978e13965a40ac07163643cc3fa0ddb0d354198 (patch)
tree64f2eb659ce991062ff1a85949f14a11d1450ba3 /tools/perf/builtin-record.c
parent14d4ae5c4cb89c05262fe41cb7a26f6ba949d8df (diff)
powerpc/smp: Remove migrate_irq() custom implementation
Some powerpc platforms use this to move IRQs away from a CPU being unplugged. This function has several bugs such as not taking the right locks or failing to NULL check pointers. There's a new generic function doing exactly the same thing without all the bugs, so let's use it instead. mpe: The obvious place for the select of GENERIC_IRQ_MIGRATION is on HOTPLUG_CPU, but that doesn't work. On some configs PM_SLEEP_SMP will select HOTPLUG_CPU even though its dependencies are not met, which means the select of GENERIC_IRQ_MIGRATION doesn't happen. That leads to the build breaking. Fix it by moving the select of GENERIC_IRQ_MIGRATION to SMP. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'tools/perf/builtin-record.c')
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