Commit-ID: f8409a6a4bf86e2d90ec8460df2874e4e19ebb27 Gitweb: http://git.kernel.org/tip/f8409a6a4bf86e2d90ec8460df2874e4e19ebb27 Author: Thomas Gleixner <[email protected]> AuthorDate: Tue, 20 Jun 2017 01:37:09 +0200 Committer: Thomas Gleixner <[email protected]> CommitDate: Thu, 22 Jun 2017 18:21:10 +0200
x86/uv: Create named irq domain Use the fwnode to create a named domain so diagnosis works. Signed-off-by: Thomas Gleixner <[email protected]> Cc: Jens Axboe <[email protected]> Cc: Marc Zyngier <[email protected]> Cc: Michael Ellerman <[email protected]> Cc: Keith Busch <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Christoph Hellwig <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Thomas Gleixner <[email protected]> --- arch/x86/platform/uv/uv_irq.c | 18 +++++++++++++----- 1 file changed, 13 insertions(+), 5 deletions(-) diff --git a/arch/x86/platform/uv/uv_irq.c b/arch/x86/platform/uv/uv_irq.c index 776c659..03fc397 100644 --- a/arch/x86/platform/uv/uv_irq.c +++ b/arch/x86/platform/uv/uv_irq.c @@ -160,13 +160,21 @@ static struct irq_domain *uv_get_irq_domain(void) { static struct irq_domain *uv_domain; static DEFINE_MUTEX(uv_lock); + struct fwnode_handle *fn; mutex_lock(&uv_lock); - if (uv_domain == NULL) { - uv_domain = irq_domain_add_tree(NULL, &uv_domain_ops, NULL); - if (uv_domain) - uv_domain->parent = x86_vector_domain; - } + if (uv_domain) + goto out; + + fn = irq_domain_alloc_named_fwnode("UV-CORE"); + if (!fn) + goto out; + + uv_domain = irq_domain_create_tree(fn, &uv_domain_ops, NULL); + irq_domain_free_fwnode(fn); + if (uv_domain) + uv_domain->parent = x86_vector_domain; +out: mutex_unlock(&uv_lock); return uv_domain;
