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Sun, 08 Nov 2026 06:00:53 -0800 (PST) Received: from localhost ([120.244.9.94]) by smtp.gmail.com with ESMTPSA id 00721157ae682-8b36bbffb49sm14438547b3.28.2026.11.08.06.00.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 08 Nov 2026 06:00:52 -0800 (PST) Date: Sun, 08 Nov 2026 09:00:46 -0500 Message-ID: From: Guodong Xu To: Charlie Jenkins Cc: Radim =?utf-8?b?S3LEjW3DocWZ?= , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Paul Walmsley , Palmer Dabbelt , Alexandre Ghiti , Samuel Holland , Andy Chiu , Zong Li Subject: Re: [PATCH 5/6] riscv: hwprobe: Report XTheadVector only when available In-Reply-To: References: <20261006075303.205216-1-radim.krcmar@oss.qualcomm.com> <20261006075303.205216-6-radim.krcmar@oss.qualcomm.com> <179133089395.137225.16486951642128892687.b4-review@b4> Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 8bit X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMTA4MDA1NSBTYWx0ZWRfX8MHLJAyYi2KJ +iXmpaT8HjwMCZXMpfIfk7I8XkQXJA16STSTezLCdwikpMzMhCL5KhiUEIF138eiYok93xRQu82 sjiv7DxLpN2gDVQTv44/1RQgO0Pt2f5C/Whnx6/AfMaym8jozdxu0U60BCHeW1lpUlIoPB7+c4A xd2skIBnvW8L/Ib+tERn7vpYFPCaTxVWf+o1Lq/gOw70BlK1XZuous6p0DZOyMrhyeFfhWdEvC1 zjlp5IGN7RMZCKKN3wBY6j0TEu1Ec+0X1NOfgx5+8y32Z+g2dWaH26d8JfK8YXbUrKRpqfKiyh9 FqxkGrSuAddMNKBmtw3AN+y1QjTbEVboJCyoCheBf6OaUliMF7w6OTEzdWznLIOycpMAZ/yQLZr UU/P0u3tDBjDUNipHetT9iIVQbbfFH05NqqNOuCVqHDBGiNrUbKK1xkPYhg84p3GIjx+/gzheHf 8XDHVW06X/nA2+6s4Iw== X-Proofpoint-ORIG-GUID: DMJo9NY0Wy21pdY21yhAd7tDg2D4P6KY X-Proofpoint-GUID: DMJo9NY0Wy21pdY21yhAd7tDg2D4P6KY X-Proofpoint-Spam-Info: AW1haW4tMjYxMTA4MDA1NSBTYWx0ZWRfX3ZJKFJ8Tm1Ht lO40szc2T9HdHPUrENt+rr41y7L/rhHM9PXIS9IecsW4zB+IBiMXxFUzonluOXsU5gDxbvYr7St msgmw99m+ygZilt7o7/OjRKCa1x7K8I= X-Authority-Analysis: v=2.4 cv=V8LoQuni c=1 sm=1 tr=0 ts=6af08096 cx=c_pps a=ngMg22mHWrP7m7pwYf9JkA==:117 a=ZvHX9x23NDWH3CQeJ2oX1w==:17 a=IkcTkHD0fZMA:10 a=zJRp6_cAMcgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=ZpdpYltYx_vBUK5n70dp:22 a=pGLkceISAAAA:8 a=6dy-whiJEFYAl8_pB5EA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=yHXA93iunegOHmWoMUFd:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.138,FMLib:17.12.100.49 definitions=2026-11-08_05,2026-11-06_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=0 clxscore=1015 malwarescore=0 bulkscore=0 impostorscore=0 phishscore=0 adultscore=0 lowpriorityscore=0 priorityscore=1501 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2611040001 definitions=main-2611080055 Hi Charlie, Radim, On Wed, 7 Oct 2026 01:07:20 -0700, Charlie Jenkins wrote: > On Wed, Oct 07, 2026 at 09:59:30AM +0200, Radim Krčmář wrote: > > 2026-10-06T16:54:53-07:00, Charlie Jenkins : > [...] > > > Is > > > it worthwhile to make this change? > > > > I think that it's sensible to mimic the validation we do for the > > non-vendor extension, but users of vendor extensions likely already have > > to go out of their way to utilize them, so they can do the sanity checks > > too... I can drop the last two patches in v2. > > I don't know, it seems better to keep standardization if possible and > leave the check in here to mimic the standard extensions? +1 to keeping patches 5 and 6 in v2. Having the vendor keys follow the same rule as the standard ones keeps the meaning of every hwprobe bit uniform, which I think is a must. Guodong