From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id E71A5C41514 for ; Mon, 29 Jul 2019 14:40:56 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id C1A6B20578 for ; Mon, 29 Jul 2019 14:40:56 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="ANUEmg08" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org C1A6B20578 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=suse.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:In-Reply-To: Date:References:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=0yfoy/KZPkKvlozXNrmyZpoHX8gFvnE+QiwMCgxKlNU=; b=ANUEmg08tomVS5 ki4SqW1uMGDv8qBnTeqWy4sXiRd+xod6oO4gDOD5OYuGt//ayl+dlqVZ1ELuXzmECqxUldahweOsB +USNRHF+eKxUxAMskcSnQ0W895jsyG3DZlNSppCqVJDV31OY+CF8wCa97d7Xdqz5QieKHrEiTSqou qgLp5haFXYxPRGb9v2KwUNXatcRTvaK3CUr2ij4G76Szv1Fkh+/5WtytLri84kbulTo83AmQZMF+A 9WY1FyzsFVyvoUukT3qDFiJaf4H2QwsadrrRKsTxlT/LtjyomWo9Rj7r5H9ZW0fVHU4qEAS4+O96r /T4f1pqk0aPoXHBE97NQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.92 #3 (Red Hat Linux)) id 1hs6pb-0003Cb-L4; Mon, 29 Jul 2019 14:40:55 +0000 Received: from mx2.suse.de ([195.135.220.15] helo=mx1.suse.de) by bombadil.infradead.org with esmtps (Exim 4.92 #3 (Red Hat Linux)) id 1hs6pY-00033F-Ut for linux-riscv@lists.infradead.org; Mon, 29 Jul 2019 14:40:54 +0000 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 5294BACA8; Mon, 29 Jul 2019 14:40:51 +0000 (UTC) From: Andreas Schwab To: Anup Patel Subject: Re: [RFC PATCH 13/16] RISC-V: KVM: Add timer functionality References: <20190729115544.17895-1-anup.patel@wdc.com> <20190729115544.17895-14-anup.patel@wdc.com> X-Yow: HOORAY, Ronald!! Now YOU can marry LINDA RONSTADT too!! Date: Mon, 29 Jul 2019 16:40:50 +0200 In-Reply-To: <20190729115544.17895-14-anup.patel@wdc.com> (Anup Patel's message of "Mon, 29 Jul 2019 11:57:42 +0000") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.2.90 (gnu/linux) MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190729_074053_193342_3722459A X-CRM114-Status: UNSURE ( 9.32 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Damien Le Moal , Daniel Lezcano , "kvm@vger.kernel.org" , Radim K , Anup Patel , Palmer Dabbelt , "linux-kernel@vger.kernel.org" , Christoph Hellwig , Atish Patra , Alistair Francis , Paul Walmsley , Paolo Bonzini , Thomas Gleixner , "linux-riscv@lists.infradead.org" Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-riscv" Errors-To: linux-riscv-bounces+infradead-linux-riscv=archiver.kernel.org@lists.infradead.org T24gSnVsIDI5IDIwMTksIEFudXAgUGF0ZWwgPEFudXAuUGF0ZWxAd2RjLmNvbT4gd3JvdGU6Cgo+ IEZyb206IEF0aXNoIFBhdHJhIDxhdGlzaC5wYXRyYUB3ZGMuY29tPgo+Cj4gVGhlIFJJU0MtViBo eXBlcnZpc29yIHNwZWNpZmljYXRpb24gZG9lc24ndCBoYXZlIGFueSB2aXJ0dWFsIHRpbWVyCj4g ZmVhdHVyZS4KPgo+IER1ZSB0byB0aGlzLCB0aGUgZ3Vlc3QgVkNQVSB0aW1lciB3aWxsIGJlIHBy b2dyYW1tZWQgdmlhIFNCSSBjYWxscy4KPiBUaGUgaG9zdCB3aWxsIHVzZSBhIHNlcGFyYXRlIGhy dGltZXIgZXZlbnQgZm9yIGVhY2ggZ3Vlc3QgVkNQVSB0bwo+IHByb3ZpZGUgdGltZXIgZnVuY3Rp b25hbGl0eS4gV2UgaW5qZWN0IGEgdmlydHVhbCB0aW1lciBpbnRlcnJ1cHQgdG8KPiB0aGUgZ3Vl c3QgVkNQVSB3aGVuZXZlciB0aGUgZ3Vlc3QgVkNQVSBocnRpbWVyIGV2ZW50IGV4cGlyZXMuCj4K PiBUaGUgZm9sbG93aW5nIGZlYXR1cmVzIGFyZSBub3Qgc3VwcG9ydGVkIHlldCBhbmQgd2lsbCBi ZSBhZGRlZCBpbgo+IGZ1dHVyZToKPiAxLiBBIHRpbWUgb2Zmc2V0IHRvIGFkanVzdCBndWVzdCB0 aW1lIGZyb20gaG9zdCB0aW1lCj4gMi4gQSBzYXZlZCBuZXh0IGV2ZW50IGluIGd1ZXN0IHZjcHUg Zm9yIHZtIG1pZ3JhdGlvbgoKSSdtIGdldHRpbmcgdGhpcyBlcnJvcjoKCkluIGZpbGUgaW5jbHVk ZWQgZnJvbSA8Y29tbWFuZC1saW5lPjoKLi9pbmNsdWRlL2Nsb2Nrc291cmNlL3RpbWVyLXJpc2N2 Lmg6MTI6MzA6IGVycm9yOiB1bmtub3duIHR5cGUgbmFtZSDigJh1MzLigJkKICAgMTIgfCB2b2lk IHJpc2N2X2NzX2dldF9tdWx0X3NoaWZ0KHUzMiAqbXVsdCwgdTMyICpzaGlmdCk7CiAgICAgIHwg ICAgICAgICAgICAgICAgICAgICAgICAgICAgICBefn4KLi9pbmNsdWRlL2Nsb2Nrc291cmNlL3Rp bWVyLXJpc2N2Lmg6MTI6NDE6IGVycm9yOiB1bmtub3duIHR5cGUgbmFtZSDigJh1MzLigJkKICAg MTIgfCB2b2lkIHJpc2N2X2NzX2dldF9tdWx0X3NoaWZ0KHUzMiAqbXVsdCwgdTMyICpzaGlmdCk7 CiAgICAgIHwgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgICAgIF5+fgptYWtl WzFdOiAqKiogW3NjcmlwdHMvTWFrZWZpbGUuYnVpbGQ6MzAxOiBpbmNsdWRlL2Nsb2Nrc291cmNl L3RpbWVyLXJpc2N2Lmguc10gRXJyb3IgMQoKQW5kcmVhcy4KCi0tIApBbmRyZWFzIFNjaHdhYiwg U1VTRSBMYWJzLCBzY2h3YWJAc3VzZS5kZQpHUEcgS2V5IGZpbmdlcnByaW50ID0gMDE5NiBCQUQ4 IDFDRTkgMTk3MCBGNEJFICAxNzQ4IEU0RDQgODhFMyAwRUVBIEI5RDcKIkFuZCBub3cgZm9yIHNv bWV0aGluZyBjb21wbGV0ZWx5IGRpZmZlcmVudC4iCgpfX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fX19fX19fXwpsaW51eC1yaXNjdiBtYWlsaW5nIGxpc3QKbGludXgtcmlz Y3ZAbGlzdHMuaW5mcmFkZWFkLm9yZwpodHRwOi8vbGlzdHMuaW5mcmFkZWFkLm9yZy9tYWlsbWFu L2xpc3RpbmZvL2xpbnV4LXJpc2N2Cg== From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id D63FEC7618B for ; Mon, 29 Jul 2019 14:40:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B7A62217D4 for ; Mon, 29 Jul 2019 14:40:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728300AbfG2Okx (ORCPT ); Mon, 29 Jul 2019 10:40:53 -0400 Received: from mx2.suse.de ([195.135.220.15]:44840 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726197AbfG2Okw (ORCPT ); Mon, 29 Jul 2019 10:40:52 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 5294BACA8; Mon, 29 Jul 2019 14:40:51 +0000 (UTC) From: Andreas Schwab To: Anup Patel Cc: Palmer Dabbelt , Paul Walmsley , Paolo Bonzini , Radim K , Damien Le Moal , "kvm\@vger.kernel.org" , Anup Patel , Daniel Lezcano , "linux-kernel\@vger.kernel.org" , Christoph Hellwig , Atish Patra , Alistair Francis , Thomas Gleixner , "linux-riscv\@lists.infradead.org" Subject: Re: [RFC PATCH 13/16] RISC-V: KVM: Add timer functionality References: <20190729115544.17895-1-anup.patel@wdc.com> <20190729115544.17895-14-anup.patel@wdc.com> X-Yow: HOORAY, Ronald!! Now YOU can marry LINDA RONSTADT too!! Date: Mon, 29 Jul 2019 16:40:50 +0200 In-Reply-To: <20190729115544.17895-14-anup.patel@wdc.com> (Anup Patel's message of "Mon, 29 Jul 2019 11:57:42 +0000") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.2.90 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org On Jul 29 2019, Anup Patel wrote: > From: Atish Patra > > The RISC-V hypervisor specification doesn't have any virtual timer > feature. > > Due to this, the guest VCPU timer will be programmed via SBI calls. > The host will use a separate hrtimer event for each guest VCPU to > provide timer functionality. We inject a virtual timer interrupt to > the guest VCPU whenever the guest VCPU hrtimer event expires. > > The following features are not supported yet and will be added in > future: > 1. A time offset to adjust guest time from host time > 2. A saved next event in guest vcpu for vm migration I'm getting this error: In file included from : ./include/clocksource/timer-riscv.h:12:30: error: unknown type name ‘u32’ 12 | void riscv_cs_get_mult_shift(u32 *mult, u32 *shift); | ^~~ ./include/clocksource/timer-riscv.h:12:41: error: unknown type name ‘u32’ 12 | void riscv_cs_get_mult_shift(u32 *mult, u32 *shift); | ^~~ make[1]: *** [scripts/Makefile.build:301: include/clocksource/timer-riscv.h.s] Error 1 Andreas. -- Andreas Schwab, SUSE Labs, schwab@suse.de GPG Key fingerprint = 0196 BAD8 1CE9 1970 F4BE 1748 E4D4 88E3 0EEA B9D7 "And now for something completely different."