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MIPS: Octeon: Mark SMP-IPI interrupt as IRQF_NO_THREAD
This is to exclude it from force threading to allow RT patch set to work. And while on this line * Remove IRQF_DISABLED as as this flag is NOOP * Add IRQF_PERCPU as this is a per cpu interrupt. Signed-off-by: Venkat Subbiah <venkat.subbiah@cavium.com> Acked-by: David Daney <david.daney@cavium.com> To: linux-mips@linux-mips.org To: linux-rt-users@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/2817/ Acked-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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1 changed files with 3 additions and 2 deletions
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@ -207,8 +207,9 @@ void octeon_prepare_cpus(unsigned int max_cpus)
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* the other bits alone.
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*/
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cvmx_write_csr(CVMX_CIU_MBOX_CLRX(cvmx_get_core_num()), 0xffff);
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if (request_irq(OCTEON_IRQ_MBOX0, mailbox_interrupt, IRQF_DISABLED,
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"SMP-IPI", mailbox_interrupt)) {
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if (request_irq(OCTEON_IRQ_MBOX0, mailbox_interrupt,
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IRQF_PERCPU | IRQF_NO_THREAD, "SMP-IPI",
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mailbox_interrupt)) {
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panic("Cannot request_irq(OCTEON_IRQ_MBOX0)\n");
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}
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}
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