Commit-ID: e0b477941d130576d9daf31160dab6e34335b10a Gitweb: http://git.kernel.org/tip/e0b477941d130576d9daf31160dab6e34335b10a Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx> AuthorDate: Wed, 13 Sep 2017 23:29:04 +0200 Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx> CommitDate: Mon, 25 Sep 2017 20:38:22 +0200 genirq/debugfs: Show debug information for all irq descriptors Currently the debugfs shows only information about actively used interrupts like /proc/irq/ does. That's fine for most cases, but not helpful when internals of allocated, but unused interrupt descriptors have to debugged. It's also useful to provide information about all descriptors so leaks can be debugged in a simpler way. Move the debugfs registration to the descriptor allocation code. Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx> Tested-by: Juergen Gross <jgross@xxxxxxxx> Tested-by: Yu Chen <yu.c.chen@xxxxxxxxx> Acked-by: Juergen Gross <jgross@xxxxxxxx> Cc: Boris Ostrovsky <boris.ostrovsky@xxxxxxxxxx> Cc: Tony Luck <tony.luck@xxxxxxxxx> Cc: Marc Zyngier <marc.zyngier@xxxxxxx> Cc: Alok Kataria <akataria@xxxxxxxxxx> Cc: Joerg Roedel <joro@xxxxxxxxxx> Cc: "Rafael J. Wysocki" <rjw@xxxxxxxxxxxxx> Cc: Steven Rostedt <rostedt@xxxxxxxxxxx> Cc: Christoph Hellwig <hch@xxxxxx> Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx> Cc: Borislav Petkov <bp@xxxxxxxxx> Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx> Cc: Rui Zhang <rui.zhang@xxxxxxxxx> Cc: "K. Y. Srinivasan" <kys@xxxxxxxxxxxxx> Cc: Arjan van de Ven <arjan@xxxxxxxxxxxxxxx> Cc: Dan Williams <dan.j.williams@xxxxxxxxx> Cc: Len Brown <lenb@xxxxxxxxxx> Link: https://lkml.kernel.org/r/20170913213152.355525908@xxxxxxxxxxxxx --- kernel/irq/irqdesc.c | 1 + kernel/irq/manage.c | 1 - 2 files changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c index 82afb7e..0f6805b 100644 --- a/kernel/irq/irqdesc.c +++ b/kernel/irq/irqdesc.c @@ -462,6 +462,7 @@ static int alloc_descs(unsigned int start, unsigned int cnt, int node, goto err; irq_insert_desc(start + i, desc); irq_sysfs_add(start + i, desc); + irq_add_debugfs_entry(start + i, desc); } bitmap_set(allocated_irqs, start, cnt); return start; diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index d00132b..0e8b483 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -1400,7 +1400,6 @@ __setup_irq(unsigned int irq, struct irq_desc *desc, struct irqaction *new) wake_up_process(new->secondary->thread); register_irq_proc(irq, desc); - irq_add_debugfs_entry(irq, desc); new->dir = NULL; register_handler_proc(irq, new); return 0; -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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