genirq: Set managed shut down flag at init

KAGA-KOKO · KAGA-KOKO · commit 239306fee8a5 · 2017-09-25T20:38:23.000+02:00
Managed interrupts should start up in managed shutdown mode. Set the status flag when initialising the irq descriptor. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Tested-by: Juergen Gross <jgross@suse.com> Tested-by: Yu Chen <yu.c.chen@intel.com> Acked-by: Juergen Gross <jgross@suse.com> Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Marc Zyngier <marc.zyngier@arm.com> Cc: Alok Kataria <akataria@vmware.com> Cc: Joerg Roedel <joro@8bytes.org> Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Christoph Hellwig <hch@lst.de> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Rui Zhang <rui.zhang@intel.com> Cc: "K. Y. Srinivasan" <kys@microsoft.com> Cc: Arjan van de Ven <arjan@linux.intel.com> Cc: Dan Williams <dan.j.williams@intel.com> Cc: Len Brown <lenb@kernel.org> Link: https://lkml.kernel.org/r/20170913213152.669687742@linutronix.de
diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c
@@ -448,7 +448,7 @@ static int alloc_descs(unsigned int start, unsigned int cnt, int node,
 		}
 	}
 
-	flags = affinity ? IRQD_AFFINITY_MANAGED : 0;
+	flags = affinity ? IRQD_AFFINITY_MANAGED | IRQD_MANAGED_SHUTDOWN : 0;
 	mask = NULL;
 
 	for (i = 0; i < cnt; i++) {

Original file line number	Diff line number	Diff line change
`@@ -448,7 +448,7 @@ static int alloc_descs(unsigned int start, unsigned int cnt, int node,`
`448`	`448`	`}`
`449`	`449`	`}`
`450`	`450`
`451`		`- flags = affinity ? IRQD_AFFINITY_MANAGED : 0;`
	`451`	`+ flags = affinity ? IRQD_AFFINITY_MANAGED \| IRQD_MANAGED_SHUTDOWN : 0;`
`452`	`452`	`mask = NULL;`
`453`	`453`
`454`	`454`	`for (i = 0; i < cnt; i++) {`