From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnd Bergmann Subject: Re: [PATCH v6 05/10] arm64: hyperv: Add interrupt handlers for VMbus and stimer Date: Mon, 16 Mar 2020 09:25:00 +0100 Message-ID: References: <1584200119-18594-1-git-send-email-mikelley@microsoft.com> <1584200119-18594-6-git-send-email-mikelley@microsoft.com> Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Return-path: Received: from mout.kundenserver.de ([212.227.126.134]:59141 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728302AbgCPIZT (ORCPT ); Mon, 16 Mar 2020 04:25:19 -0400 In-Reply-To: <1584200119-18594-6-git-send-email-mikelley@microsoft.com> Sender: linux-arch-owner@vger.kernel.org List-ID: To: Michael Kelley Cc: Will Deacon , Ard Biesheuvel , Catalin Marinas , Mark Rutland , Marc Zyngier , Linux ARM , gregkh , "linux-kernel@vger.kernel.org" , linux-hyperv@vger.kernel.org, linux-efi , linux-arch , olaf@aepfle.de, Andy Whitcroft , Vitaly Kuznetsov , Jason Wang , marcelo.cerri@canonical.com, "K. Y. Srinivasan" , sunilmut@microsoft.com, Boqun Feng On Sat, Mar 14, 2020 at 4:36 PM Michael Kelley wrote: > > Add ARM64-specific code to set up and handle the interrupts > generated by Hyper-V for VMbus messages and for stimer expiration. > > This code is architecture dependent and is mostly driven by > architecture independent code in the VMbus driver and the > Hyper-V timer clocksource driver. > > This code is built only when CONFIG_HYPERV is enabled. > > Signed-off-by: Michael Kelley This looks like it should be a nested irqchip driver instead, so your device drivers can use the normal request_irq() functions etc. Is anything preventing you from doing that? If so, please describe that in the changelog and in a comment in the driver. Arnd