[{"id":3628208,"web_url":"http://patchwork.ozlabs.org/comment/3628208/","msgid":"<20251222-4edd14c1464744ef9e24245d@orel>","list_archive_url":null,"date":"2025-12-22T17:25:22","subject":"Re: [kvm-unit-tests PATCH 0/4] riscv: sbi: Add support to test PMU\n extension","submitter":{"id":84687,"url":"http://patchwork.ozlabs.org/api/people/84687/","name":"Andrew Jones","email":"andrew.jones@linux.dev"},"content":"On Sat, Dec 13, 2025 at 11:08:44PM +0800, James Raphael Tiovalen wrote:\n> This patch series adds support for testing most of the SBI PMU\n> extension functions. The functions related to shared memory\n> (FID #7 and #8) are not tested yet.\n> \n> The first 3 patches add the required support for SBI PMU and some\n> helper functions, while the last patch adds the actual tests.\n> \n> James Raphael Tiovalen (4):\n> lib: riscv: Add SBI PMU CSRs and enums\n> lib: riscv: Add SBI PMU support\n> lib: riscv: Add SBI PMU helper functions\n> riscv: sbi: Add tests for PMU extension\n> \n> riscv/Makefile | 2 +\n> lib/riscv/asm/csr.h | 31 +++\n> lib/riscv/asm/pmu.h | 167 ++++++++++++++++\n> lib/riscv/asm/sbi.h | 104 ++++++++++\n> lib/riscv/pmu.c | 169 ++++++++++++++++\n> lib/riscv/sbi.c | 73 +++++++\n> riscv/sbi-tests.h | 1 +\n> riscv/sbi-pmu.c | 461 ++++++++++++++++++++++++++++++++++++++++++++\n> riscv/sbi.c | 2 +\n> 9 files changed, 1010 insertions(+)\n> create mode 100644 lib/riscv/asm/pmu.h\n> create mode 100644 lib/riscv/pmu.c\n> create mode 100644 riscv/sbi-pmu.c\n> \n> --\n> 2.43.0\n>\n\nHi James,\n\nThanks for posting this. I'll look at it as soon as possible, but I'm\njuggling some other stuff right now and also plan to be on vacation for\na week starting tomorrow.\n\nThanks,\ndrew","headers":{"Return-Path":"\n ","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n secure) header.d=lists.infradead.org header.i=@lists.infradead.org\n header.a=rsa-sha256 header.s=bombadil.20210309 header.b=c7ZPSQeU;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n unprotected) header.d=linux.dev header.i=@linux.dev header.a=rsa-sha256\n header.s=key1 header.b=Cl0cRF7B;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=none (no SPF record) smtp.mailfrom=lists.infradead.org\n (client-ip=2607:7c80:54:3::133; helo=bombadil.infradead.org;\n envelope-from=kvm-riscv-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org;\n receiver=patchwork.ozlabs.org)"],"Received":["from bombadil.infradead.org (bombadil.infradead.org\n [IPv6:2607:7c80:54:3::133])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4dZlRQ5pBrz1xty\n\tfor ; Tue, 23 Dec 2025 04:26:05 +1100 (AEDT)","from localhost ([::1] helo=bombadil.infradead.org)\n\tby bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux))\n\tid 1vXjfS-0000000E1MH-18B4;\n\tMon, 22 Dec 2025 17:25:58 +0000","from out-174.mta1.migadu.com ([2001:41d0:203:375::ae])\n\tby bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux))\n\tid 1vXjfO-0000000E1LU-3g1R\n\tfor kvm-riscv@lists.infradead.org;\n\tMon, 22 Dec 2025 17:25:56 +0000"],"DKIM-Signature":["v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed;\n\td=lists.infradead.org; s=bombadil.20210309; h=Sender:\n\tContent-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post:\n\tList-Archive:List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:\n\tMessage-ID:Subject:Cc:To:From:Date:Reply-To:Content-ID:Content-Description:\n\tResent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:\n\tList-Owner; bh=xuWU+kbobtSEMJP79tzyhGrWknZo3o3dp7hqelxBut4=; b=c7ZPSQeUJZ1iG4\n\tS/2ohVXma4a9FcpU57Nfcei3aCREKf3f9NrRYRIlyjEiJLDnq0ekj5tgqzkAjSNsI3gha9gX2mylz\n\tP6j5xJFQWnOEBvcMNYc+StdSMUJsorl9jgfZnxnMj+uLYisQp2SAJn8fZZiSo1I6J7oNSJBUWTSP1\n\t15KMy0edNdVVtdokdlsSB0wQsx5jJF3+uC7UTvQ30gomYB7RRSTLgoTDDtT2gAnnhu+fNQrQp0bCk\n\tdEkm5IBioP1yka+JKn+nvWxBOsvfCu3PFml+wJ1Gofv/zn3VjZW8kn7cubnHyMn/MQIMSa+RXVFYV\n\tDIin91GudivdaN1/h5oA==;","v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.dev; s=key1;\n\tt=1766424339;\n\th=from:from:reply-to:subject:subject:date:date:message-id:message-id:\n\t to:to:cc:cc:mime-version:mime-version:content-type:content-type:\n\t in-reply-to:in-reply-to:references:references;\n\tbh=byvshAmRUwrZC8GVC2vo9mDR5a//m/DN9v63+WgdYgI=;\n\tb=Cl0cRF7BIMaB5XtNbuYctsoztFcS9MzXisFXRp6G9r/BLHQYgENEamwlRs/rfTKh5CJvQi\n\tZtdC2ohWeCh1lDeXcJD7BMrkdb5bbewXuMRS4denOS1bpv3WwktrRQKiXl4ERb1KrR2+43\n\tmlv5qBjJuJgQFyZjZB7YhM1C728IO5U="],"Date":"Mon, 22 Dec 2025 11:25:22 -0600","X-Report-Abuse":"Please report any abuse attempt to abuse@migadu.com and\n include these headers.","From":"Andrew Jones ","To":"James Raphael Tiovalen ","Cc":"kvm@vger.kernel.org, kvm-riscv@lists.infradead.org,\n\tatishp@rivosinc.com","Subject":"Re: [kvm-unit-tests PATCH 0/4] riscv: sbi: Add support to test PMU\n extension","Message-ID":"<20251222-4edd14c1464744ef9e24245d@orel>","References":"<20251213150848.149729-1-jamestiotio@gmail.com>","MIME-Version":"1.0","Content-Disposition":"inline","In-Reply-To":"<20251213150848.149729-1-jamestiotio@gmail.com>","X-Migadu-Flow":"FLOW_OUT","X-CRM114-Version":"20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 ","X-CRM114-CacheID":"sfid-20251222_092555_483163_586B6114 ","X-CRM114-Status":"GOOD ( 15.56 )","X-Spam-Score":"-2.1 (--)","X-Spam-Report":"Spam detection software,\n running on the system \"bombadil.infradead.org\",\n has NOT identified this incoming email as spam. The original\n message has been attached to this so you can view it or label\n similar future email. If you have any questions, see\n the administrator of that system for details.\n Content preview: On Sat, Dec 13, 2025 at 11:08:44PM +0800,\n James Raphael Tiovalen\n wrote: > This patch series adds support for testing most of the SBI PMU >\n extension functions. The functions related to shared memory > [...]\n Content analysis details: (-2.1 points, 5.0 required)\n pts rule name description\n ---- ----------------------\n --------------------------------------------------\n -0.0 SPF_PASS SPF: sender matches SPF record\n -0.0 SPF_HELO_PASS SPF: HELO matches SPF record\n -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from\n envelope-from domain\n -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from\n author's\n domain\n -0.1 DKIM_VALID Message has at least one valid DKIM or DK\n signature\n 0.1 DKIM_SIGNED Message has a DKIM or DK signature,\n not necessarily valid\n -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1%\n [score: 0.0000]","X-BeenThere":"kvm-riscv@lists.infradead.org","X-Mailman-Version":"2.1.34","Precedence":"list","List-Id":"","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Content-Type":"text/plain; charset=\"us-ascii\"","Content-Transfer-Encoding":"7bit","Sender":"\"kvm-riscv\" ","Errors-To":"kvm-riscv-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org"}},{"id":3628300,"web_url":"http://patchwork.ozlabs.org/comment/3628300/","msgid":"","list_archive_url":null,"date":"2025-12-23T04:26:20","subject":"Re: [kvm-unit-tests PATCH 0/4] riscv: sbi: Add support to test PMU\n extension","submitter":{"id":85990,"url":"http://patchwork.ozlabs.org/api/people/85990/","name":"James Raphael Tiovalen","email":"jamestiotio@gmail.com"},"content":"On Tue, Dec 23, 2025 at 1:25 AM Andrew Jones wrote:\n>\n> On Sat, Dec 13, 2025 at 11:08:44PM +0800, James Raphael Tiovalen wrote:\n> > This patch series adds support for testing most of the SBI PMU\n> > extension functions. The functions related to shared memory\n> > (FID #7 and #8) are not tested yet.\n> >\n> > The first 3 patches add the required support for SBI PMU and some\n> > helper functions, while the last patch adds the actual tests.\n> >\n> > James Raphael Tiovalen (4):\n> > lib: riscv: Add SBI PMU CSRs and enums\n> > lib: riscv: Add SBI PMU support\n> > lib: riscv: Add SBI PMU helper functions\n> > riscv: sbi: Add tests for PMU extension\n> >\n> > riscv/Makefile | 2 +\n> > lib/riscv/asm/csr.h | 31 +++\n> > lib/riscv/asm/pmu.h | 167 ++++++++++++++++\n> > lib/riscv/asm/sbi.h | 104 ++++++++++\n> > lib/riscv/pmu.c | 169 ++++++++++++++++\n> > lib/riscv/sbi.c | 73 +++++++\n> > riscv/sbi-tests.h | 1 +\n> > riscv/sbi-pmu.c | 461 ++++++++++++++++++++++++++++++++++++++++++++\n> > riscv/sbi.c | 2 +\n> > 9 files changed, 1010 insertions(+)\n> > create mode 100644 lib/riscv/asm/pmu.h\n> > create mode 100644 lib/riscv/pmu.c\n> > create mode 100644 riscv/sbi-pmu.c\n> >\n> > --\n> > 2.43.0\n> >\n>\n> Hi James,\n>\n> Thanks for posting this. I'll look at it as soon as possible, but I'm\n> juggling some other stuff right now and also plan to be on vacation for\n> a week starting tomorrow.\n>\n> Thanks,\n> drew\n\nHi Andrew,\n\nNo worries. Feel free to look at the series whenever you manage to\nfind some time to do so.\n\nBest regards,\nJames Raphael Tiovalen","headers":{"Return-Path":"\n ","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n secure) header.d=lists.infradead.org header.i=@lists.infradead.org\n header.a=rsa-sha256 header.s=bombadil.20210309 header.b=M7a/U1bB;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20230601 header.b=iJXT0dP1;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=none (no SPF record) smtp.mailfrom=lists.infradead.org\n (client-ip=2607:7c80:54:3::133; helo=bombadil.infradead.org;\n envelope-from=kvm-riscv-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org;\n receiver=patchwork.ozlabs.org)"],"Received":["from bombadil.infradead.org (bombadil.infradead.org\n [IPv6:2607:7c80:54:3::133])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4db26B46njz1y3Y\n\tfor ; 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Mon, 22 Dec 2025\n 20:26:57 -0800 (PST)","MIME-Version":"1.0","References":"<20251213150848.149729-1-jamestiotio@gmail.com>\n <20251222-4edd14c1464744ef9e24245d@orel>","In-Reply-To":"<20251222-4edd14c1464744ef9e24245d@orel>","From":"James R T ","Date":"Tue, 23 Dec 2025 12:26:20 +0800","X-Gm-Features":"AQt7F2p8Lq_3pLPWCZGwO3DzpJjCobA3X5LEm--Rh0O0jr86bUAg0GosKKLbco4","Message-ID":"\n ","Subject":"Re: [kvm-unit-tests PATCH 0/4] riscv: sbi: Add support to test PMU\n extension","To":"Andrew Jones ","Cc":"kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, atishp@rivosinc.com","X-CRM114-Version":"20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 ","X-CRM114-CacheID":"sfid-20251222_202700_167162_37E3020A ","X-CRM114-Status":"GOOD ( 20.33 )","X-Spam-Score":"-2.1 (--)","X-Spam-Report":"Spam detection software,\n running on the system \"bombadil.infradead.org\",\n has NOT identified this incoming email as spam. The original\n message has been attached to this so you can view it or label\n similar future email. If you have any questions, see\n the administrator of that system for details.\n Content preview: On Tue, Dec 23, 2025 at 1:25 AM Andrew Jones wrote: > > On\n Sat, Dec 13, 2025 at 11:08:44PM +0800, James Raphael Tiovalen wrote: > >\n This patch series adds support for testing most of the SBI PMU > > [...]\n Content analysis details: (-2.1 points, 5.0 required)\n pts rule name description\n ---- ----------------------\n --------------------------------------------------\n -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no\n trust\n [2a00:1450:4864:20:0:0:0:535 listed in]\n [list.dnswl.org]\n -0.0 SPF_PASS SPF: sender matches SPF record\n 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record\n -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from\n envelope-from domain\n -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from\n author's\n domain\n -0.1 DKIM_VALID Message has at least one valid DKIM or DK\n signature\n 0.1 DKIM_SIGNED Message has a DKIM or DK signature,\n not necessarily valid\n -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1%\n [score: 0.0000]\n 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail\n provider\n [jamestiotio(at)gmail.com]","X-BeenThere":"kvm-riscv@lists.infradead.org","X-Mailman-Version":"2.1.34","Precedence":"list","List-Id":"","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Content-Type":"text/plain; charset=\"utf-8\"","Content-Transfer-Encoding":"base64","Sender":"\"kvm-riscv\" ","Errors-To":"kvm-riscv-bounces+incoming=patchwork.ozlabs.org@lists.infradead.org"}}]