genirq: Fix misleading synchronize_irq() documentation
commit 1d21f2af8571c6a6a44e7c1911780614847b0253 upstream The function might sleep, so it cannot be called from interrupt context. Not even with care. Signed-off-by: NThomas Gleixner <tglx@linutronix.de> Cc: Marc Zyngier <marc.zyngier@arm.com> Link: https://lkml.kernel.org/r/20190628111440.189241552@linutronix.deSigned-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>
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