From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from Atcsqr.andestech.com (60-248-80-70.hinet-ip.hinet.net [60.248.80.70]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2FD49A6; Tue, 12 Dec 2023 02:20:15 -0800 (PST) Received: from mail.andestech.com (ATCPCS16.andestech.com [10.0.1.222]) by Atcsqr.andestech.com with ESMTP id 3BCAHkwA089046; Tue, 12 Dec 2023 18:17:46 +0800 (+08) (envelope-from peterlin@andestech.com) Received: from APC323 (10.0.12.98) by ATCPCS16.andestech.com (10.0.1.222) with Microsoft SMTP Server id 14.3.498.0; Tue, 12 Dec 2023 18:17:45 +0800 Date: Tue, 12 Dec 2023 18:17:41 +0800 From: Yu-Chien Peter Lin To: Thomas Gleixner CC: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Subject: Re: [PATCH v4 02/13] irqchip/riscv-intc: Allow large non-standard interrupt number Message-ID: References: <20231122121235.827122-1-peterlin@andestech.com> <20231122121235.827122-3-peterlin@andestech.com> <871qbwsn9h.ffs@tglx> Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <871qbwsn9h.ffs@tglx> User-Agent: Mutt/2.2.10 (2023-03-25) X-DNSRBL: X-SPAM-SOURCE-CHECK: pass X-MAIL:Atcsqr.andestech.com 3BCAHkwA089046 Hi Thomas, On Fri, Dec 08, 2023 at 04:54:34PM +0100, Thomas Gleixner wrote: > On Wed, Nov 22 2023 at 20:12, Yu Chien Peter Lin wrote: > > Currently, the implementation of the RISC-V INTC driver uses the > > interrupt cause as hwirq and has a limitation of supporting a > > s/hwirq/hardware interrupt/ > > Please spell things out. We are not on Xitter here. > > > maximum of 64 hwirqs. However, according to the privileged spec, > > interrupt causes >= 16 are defined for platform use. > > > > This limitation prevents us from fully utilizing the available > > This limitation prevents to fully utilize the ... Okay, will fix. Thanks, Peter Lin