From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id C554967744; Tue, 30 Jan 2024 11:05:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706612706; cv=none; b=Ybsn7zVgGSQ0EU4ned0wPMGXvI3A7fyMJt26W3JACXXB990FEEebCjrUy0si1l9dukEMz+0kfcoGB1xuNJbXPLi7EGsphfWuQt3zx8mfy3HRa6uu0JIiomshEWb4JsWKZMsLUqRxw4h98NYtDZ1LDRo3H6rcmvvNI7XZgMvHOSQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706612706; c=relaxed/simple; bh=FPjSOL02faexuB1BXgC53k3A0QdD2xtS7r/hZoVFvuc=; h=From:To:Cc:Subject:In-Reply-To:References:Date:Message-ID: MIME-Version:Content-Type; b=iIkNsLkOa5IUa4dsLHBitktWXRobRDX3LLOd7adTjrKucBQEvZidRVbIQXxRIzblE3jcQO55vQ0klUlZe0H0jF6SJaSxMBWy990hxzyyQUHXUn+y4AVdIX7d93z0PTvbim/uI89yd8+iRA9ME/DtsTxAjmestdlERrI7clSuswM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=KxOJjVm6; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="KxOJjVm6" Received: by smtp.kernel.org (Postfix) with ESMTPSA id BADE6C43390; Tue, 30 Jan 2024 11:05:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1706612706; bh=FPjSOL02faexuB1BXgC53k3A0QdD2xtS7r/hZoVFvuc=; h=From:To:Cc:Subject:In-Reply-To:References:Date:From; b=KxOJjVm6NHVWWyv4OU761WsEmvvTaK6AOVZGXGhBf9XEa1cDPvJyCzSF9QIN48pTV aLj2ji8j9E/eLnA/qq2NSzICbbhzCx+ODRyqZeuDTzL8ccCSqldHmOL/Q15HHJmEPB 3mrR4IrUI9LC9loqptLEpno3boG4XmZgTabp+w5k//pwoSjP1Z0hCW0SrXjsbg1upV bkDtprS0umWUo2av/zR8GIqlruORVPB/KwALEup+/cdEWpoFinhVOnFLcmmq5q7c4C 6PaMOashVJ4kIUTYzBZgsNoTvhz3YDfKF4dqXSpF1RyxX9dMVYeutQp5m0z7jg4Keu H6Piw0AEBelAg== From: =?utf-8?B?QmrDtnJuIFTDtnBlbA==?= To: Anup Patel Cc: Palmer Dabbelt , Paul Walmsley , Thomas Gleixner , Rob Herring , Krzysztof Kozlowski , Frank Rowand , Conor Dooley , devicetree@vger.kernel.org, Saravana Kannan , Marc Zyngier , Anup Patel , linux-kernel@vger.kernel.org, Atish Patra , linux-riscv@lists.infradead.org, linux-arm-kernel@lists.infradead.org, Andrew Jones Subject: Re: [PATCH v12 00/25] Linux RISC-V AIA Support In-Reply-To: References: <20240127161753.114685-1-apatel@ventanamicro.com> <87r0hzuw87.fsf@all.your.base.are.belong.to.us> <87le87uulb.fsf@all.your.base.are.belong.to.us> Date: Tue, 30 Jan 2024 12:05:03 +0100 Message-ID: <87le87w080.fsf@all.your.base.are.belong.to.us> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Anup Patel writes: > On Tue, Jan 30, 2024 at 1:22=E2=80=AFPM Bj=C3=B6rn T=C3=B6pel wrote: >> >> Bj=C3=B6rn T=C3=B6pel writes: >> >> > Anup Patel writes: >> > >> >> The RISC-V AIA specification is ratified as-per the RISC-V internatio= nal >> >> process. The latest ratified AIA specifcation can be found at: >> >> https://github.com/riscv/riscv-aia/releases/download/1.0/riscv-interr= upts-1.0.pdf >> >> >> >> At a high-level, the AIA specification adds three things: >> >> 1) AIA CSRs >> >> - Improved local interrupt support >> >> 2) Incoming Message Signaled Interrupt Controller (IMSIC) >> >> - Per-HART MSI controller >> >> - Support MSI virtualization >> >> - Support IPI along with virtualization >> >> 3) Advanced Platform-Level Interrupt Controller (APLIC) >> >> - Wired interrupt controller >> >> - In MSI-mode, converts wired interrupt into MSIs (i.e. MSI genera= tor) >> >> - In Direct-mode, injects external interrupts directly into HARTs >> >> >> >> For an overview of the AIA specification, refer the AIA virtualization >> >> talk at KVM Forum 2022: >> >> https://static.sched.com/hosted_files/kvmforum2022/a1/AIA_Virtualizat= ion_in_KVM_RISCV_final.pdf >> >> https://www.youtube.com/watch?v=3Dr071dL8Z0yo >> >> >> >> To test this series, use QEMU v7.2 (or higher) and OpenSBI v1.2 (or h= igher). >> >> >> >> These patches can also be found in the riscv_aia_v12 branch at: >> >> https://github.com/avpatel/linux.git >> >> >> >> Changes since v11: >> >> - Rebased on Linux-6.8-rc1 >> >> - Included kernel/irq related patches from "genirq, irqchip: Convert= ARM >> >> MSI handling to per device MSI domains" series by Thomas. >> >> (PATCH7, PATCH8, PATCH9, PATCH14, PATCH16, PATCH17, PATCH18, PATCH= 19, >> >> PATCH20, PATCH21, PATCH22, PATCH23, and PATCH32 of >> >> https://lore.kernel.org/linux-arm-kernel/20221121135653.208611233= @linutronix.de/) >> >> - Updated APLIC MSI-mode driver to use the new WIRED_TO_MSI mechanis= m. >> >> - Updated IMSIC driver to support per-device MSI domains for PCI and >> >> platform devices. >> > >> > Thanks for working on this, Anup! I'm still reviewing the patches. >> > >> > I'm hitting a boot hang in text patching, with this series applied on >> > 6.8-rc2. IPI issues? >> >> Not text patching! One cpu spinning in smp_call_function_many_cond() and >> the others are in cpu_relax(). Smells like IPI... > > Can you share the complete bootlog ? Here: https://gist.github.com/bjoto/04a580568378f3b5483af07cd9d22501 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id C981FC46CD2 for ; Tue, 30 Jan 2024 11:05:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:References :In-Reply-To:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=LY2sg1DTurb6dvB4X3eFuIPnDa74Y10XD3BrF8zyh8Q=; b=wWMaRin1BK9Q+p ODoeR5EjR+Ptg8HSpvk/cpeNlQT+JCp71ohlAgEHY4MEaED4aBKGH3efEuETbyC5Bn6P5SaAqPZwy rLoihOuOo0mfYdflXO/ReZe6p6fufg3QrNhq+KqecpkWs2gddUjR3hGSCZYBX+xORNCcLKMVcj7Fr S1IOwo4qPrVExqcEINIW14UYbwDX+mgeo/ixDeyqc19oufQNiwQKT9BW54q5qQ9RC2wcVJ3nmnQUm SadOVmeXgOTheEpn9qAIwa45YsrK4ehHWEG5AfyR5dvvVxBMBUtKCR7x7eJrqg0G5JN2IjBwTC8Hk fqXr4qJXyyMHkdjPEdqA==; 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charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org QW51cCBQYXRlbCA8YXBhdGVsQHZlbnRhbmFtaWNyby5jb20+IHdyaXRlczoKCj4gT24gVHVlLCBK YW4gMzAsIDIwMjQgYXQgMToyMuKAr1BNIEJqw7ZybiBUw7ZwZWwgPGJqb3JuQGtlcm5lbC5vcmc+ IHdyb3RlOgo+Pgo+PiBCasO2cm4gVMO2cGVsIDxiam9ybkBrZXJuZWwub3JnPiB3cml0ZXM6Cj4+ Cj4+ID4gQW51cCBQYXRlbCA8YXBhdGVsQHZlbnRhbmFtaWNyby5jb20+IHdyaXRlczoKPj4gPgo+ PiA+PiBUaGUgUklTQy1WIEFJQSBzcGVjaWZpY2F0aW9uIGlzIHJhdGlmaWVkIGFzLXBlciB0aGUg UklTQy1WIGludGVybmF0aW9uYWwKPj4gPj4gcHJvY2Vzcy4gVGhlIGxhdGVzdCByYXRpZmllZCBB SUEgc3BlY2lmY2F0aW9uIGNhbiBiZSBmb3VuZCBhdDoKPj4gPj4gaHR0cHM6Ly9naXRodWIuY29t L3Jpc2N2L3Jpc2N2LWFpYS9yZWxlYXNlcy9kb3dubG9hZC8xLjAvcmlzY3YtaW50ZXJydXB0cy0x LjAucGRmCj4+ID4+Cj4+ID4+IEF0IGEgaGlnaC1sZXZlbCwgdGhlIEFJQSBzcGVjaWZpY2F0aW9u IGFkZHMgdGhyZWUgdGhpbmdzOgo+PiA+PiAxKSBBSUEgQ1NScwo+PiA+PiAgICAtIEltcHJvdmVk IGxvY2FsIGludGVycnVwdCBzdXBwb3J0Cj4+ID4+IDIpIEluY29taW5nIE1lc3NhZ2UgU2lnbmFs ZWQgSW50ZXJydXB0IENvbnRyb2xsZXIgKElNU0lDKQo+PiA+PiAgICAtIFBlci1IQVJUIE1TSSBj b250cm9sbGVyCj4+ID4+ICAgIC0gU3VwcG9ydCBNU0kgdmlydHVhbGl6YXRpb24KPj4gPj4gICAg LSBTdXBwb3J0IElQSSBhbG9uZyB3aXRoIHZpcnR1YWxpemF0aW9uCj4+ID4+IDMpIEFkdmFuY2Vk IFBsYXRmb3JtLUxldmVsIEludGVycnVwdCBDb250cm9sbGVyIChBUExJQykKPj4gPj4gICAgLSBX aXJlZCBpbnRlcnJ1cHQgY29udHJvbGxlcgo+PiA+PiAgICAtIEluIE1TSS1tb2RlLCBjb252ZXJ0 cyB3aXJlZCBpbnRlcnJ1cHQgaW50byBNU0lzIChpLmUuIE1TSSBnZW5lcmF0b3IpCj4+ID4+ICAg IC0gSW4gRGlyZWN0LW1vZGUsIGluamVjdHMgZXh0ZXJuYWwgaW50ZXJydXB0cyBkaXJlY3RseSBp bnRvIEhBUlRzCj4+ID4+Cj4+ID4+IEZvciBhbiBvdmVydmlldyBvZiB0aGUgQUlBIHNwZWNpZmlj YXRpb24sIHJlZmVyIHRoZSBBSUEgdmlydHVhbGl6YXRpb24KPj4gPj4gdGFsayBhdCBLVk0gRm9y dW0gMjAyMjoKPj4gPj4gaHR0cHM6Ly9zdGF0aWMuc2NoZWQuY29tL2hvc3RlZF9maWxlcy9rdm1m b3J1bTIwMjIvYTEvQUlBX1ZpcnR1YWxpemF0aW9uX2luX0tWTV9SSVNDVl9maW5hbC5wZGYKPj4g Pj4gaHR0cHM6Ly93d3cueW91dHViZS5jb20vd2F0Y2g/dj1yMDcxZEw4WjB5bwo+PiA+Pgo+PiA+ PiBUbyB0ZXN0IHRoaXMgc2VyaWVzLCB1c2UgUUVNVSB2Ny4yIChvciBoaWdoZXIpIGFuZCBPcGVu U0JJIHYxLjIgKG9yIGhpZ2hlcikuCj4+ID4+Cj4+ID4+IFRoZXNlIHBhdGNoZXMgY2FuIGFsc28g YmUgZm91bmQgaW4gdGhlIHJpc2N2X2FpYV92MTIgYnJhbmNoIGF0Ogo+PiA+PiBodHRwczovL2dp dGh1Yi5jb20vYXZwYXRlbC9saW51eC5naXQKPj4gPj4KPj4gPj4gQ2hhbmdlcyBzaW5jZSB2MTE6 Cj4+ID4+ICAtIFJlYmFzZWQgb24gTGludXgtNi44LXJjMQo+PiA+PiAgLSBJbmNsdWRlZCBrZXJu ZWwvaXJxIHJlbGF0ZWQgcGF0Y2hlcyBmcm9tICJnZW5pcnEsIGlycWNoaXA6IENvbnZlcnQgQVJN Cj4+ID4+ICAgIE1TSSBoYW5kbGluZyB0byBwZXIgZGV2aWNlIE1TSSBkb21haW5zIiBzZXJpZXMg YnkgVGhvbWFzLgo+PiA+PiAgICAoUEFUQ0g3LCBQQVRDSDgsIFBBVENIOSwgUEFUQ0gxNCwgUEFU Q0gxNiwgUEFUQ0gxNywgUEFUQ0gxOCwgUEFUQ0gxOSwKPj4gPj4gICAgIFBBVENIMjAsIFBBVENI MjEsIFBBVENIMjIsIFBBVENIMjMsIGFuZCBQQVRDSDMyIG9mCj4+ID4+ICAgICBodHRwczovL2xv cmUua2VybmVsLm9yZy9saW51eC1hcm0ta2VybmVsLzIwMjIxMTIxMTM1NjUzLjIwODYxMTIzM0Bs aW51dHJvbml4LmRlLykKPj4gPj4gIC0gVXBkYXRlZCBBUExJQyBNU0ktbW9kZSBkcml2ZXIgdG8g dXNlIHRoZSBuZXcgV0lSRURfVE9fTVNJIG1lY2hhbmlzbS4KPj4gPj4gIC0gVXBkYXRlZCBJTVNJ QyBkcml2ZXIgdG8gc3VwcG9ydCBwZXItZGV2aWNlIE1TSSBkb21haW5zIGZvciBQQ0kgYW5kCj4+ ID4+ICAgIHBsYXRmb3JtIGRldmljZXMuCj4+ID4KPj4gPiBUaGFua3MgZm9yIHdvcmtpbmcgb24g dGhpcywgQW51cCEgSSdtIHN0aWxsIHJldmlld2luZyB0aGUgcGF0Y2hlcy4KPj4gPgo+PiA+IEkn bSBoaXR0aW5nIGEgYm9vdCBoYW5nIGluIHRleHQgcGF0Y2hpbmcsIHdpdGggdGhpcyBzZXJpZXMg YXBwbGllZCBvbgo+PiA+IDYuOC1yYzIuIElQSSBpc3N1ZXM/Cj4+Cj4+IE5vdCB0ZXh0IHBhdGNo aW5nISBPbmUgY3B1IHNwaW5uaW5nIGluIHNtcF9jYWxsX2Z1bmN0aW9uX21hbnlfY29uZCgpIGFu ZAo+PiB0aGUgb3RoZXJzIGFyZSBpbiBjcHVfcmVsYXgoKS4gU21lbGxzIGxpa2UgSVBJLi4uCj4K PiBDYW4geW91IHNoYXJlIHRoZSBjb21wbGV0ZSBib290bG9nID8KCkhlcmU6IGh0dHBzOi8vZ2lz dC5naXRodWIuY29tL2Jqb3RvLzA0YTU4MDU2ODM3OGYzYjU0ODNhZjA3Y2Q5ZDIyNTAxCgoKX19f X19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX18KbGludXgtYXJtLWtl cm5lbCBtYWlsaW5nIGxpc3QKbGludXgtYXJtLWtlcm5lbEBsaXN0cy5pbmZyYWRlYWQub3JnCmh0 dHA6Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtYXJtLWtlcm5l bAo=