From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-il1-f180.google.com (mail-il1-f180.google.com [209.85.166.180]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id ADC8736C091 for ; Fri, 5 Sep 2025 14:21:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.166.180 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757082115; cv=none; b=EEb87u/J8PSwlyZ4XiaQjoIxo0H+vkVF7P1e9lHBStZETqQn10J24/K6eeDsI4xoSC7Y+Hw9yf8j5fNTjvP9gO6ke8lN9a8HU+6joqoA4zhsx8V+YaajpnsYaum2LkywhHG9ueAx9HRX7s597dbIUXps+5jYHf/7S4TncRI8sr0= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757082115; c=relaxed/simple; bh=oxUImwhK8PCX5aXJPu6YXlDrtbpPUKA4Yd9Mnt3Xf38=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=ENStYHnUglFehOZmDMjUcUMIG11YRs1wOjqiHJiOvXVMpNYIBM0SsPHYWvvg70jQ4hDbEfWxX5Hl5LPekDWUsxRWHORWRIrrVc7ree1Z7mEbvZvqxBIm47N1YM37c5eaafzreXGv4RwbcSXK9C8o1geoOrPLNXIIgxLEeM/vcuM= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ventanamicro.com; spf=pass smtp.mailfrom=ventanamicro.com; dkim=pass (2048-bit key) header.d=ventanamicro.com header.i=@ventanamicro.com header.b=WDor94x+; arc=none smtp.client-ip=209.85.166.180 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ventanamicro.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ventanamicro.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=ventanamicro.com header.i=@ventanamicro.com header.b="WDor94x+" Received: by mail-il1-f180.google.com with SMTP id e9e14a558f8ab-3f665603584so14380915ab.0 for ; Fri, 05 Sep 2025 07:21:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ventanamicro.com; s=google; t=1757082113; x=1757686913; darn=vger.kernel.org; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:from:to:cc:subject:date:message-id:reply-to; bh=WAIXNF/yhxj3WIda95HMOmBhnbf7MpGftHHpVlcqDy4=; b=WDor94x+a30PsCd8eKo7y/hwzZozoyy8N/X/5ZTOXIR21HkIsfU4ybqfFbznbM1QuV hOoIv9ysNc9EKDDIjQ9bLXrEgncDt7LE3/++NPrcbeULM5on6bYbRLB/NABybZa6dvyC iqioslBMr59lrmupnf6ZxnaNSWOxTiDYcdWi6Rv7bs3rEslr3ydWd7gCfTcnT4JlQ4Gu 5vnIVerOkndj4PI8QEksNoqXFgRZmRz1zcefZVBLz3knON8w/hJGmZh2kFXo7GtoXGea OKvuHjcSaxqDVCwJl+dfoqBinYSL7lsIOxwXq+GMJmkp3GsWhn/7bilHmiPAjY0RrjbG ky9A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1757082113; x=1757686913; h=in-reply-to:content-disposition:mime-version:references:message-id :subject:cc:to:from:date:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=WAIXNF/yhxj3WIda95HMOmBhnbf7MpGftHHpVlcqDy4=; b=vgBYKw2dfDZh+OuIOoIHeOR/hZplNRNdm1TIkqvbTrIJo6ObBSliZ4tZl/jXE50uiK f8WKloE78UzYcMzvRVZRF3Lej/Vcp/1Ms9qamSIAIiVhRtGtpq3etkMA4q3gDk8AEYC3 gm1f/QoFS1N6PG07L0/Ie9kRg4By5wkaQKKyPtiaZy76vi+fTVDrntqDsRUeesbwDFmz GcgLyF4FGy4W9qMr8i/0/tbgw0QIlnTExqPOtO8HV9zBonjP638IZNBgzGNDcAKNPtgF RjCsuc3I5/UmdJEpBQ8sqTrGDtrfzJUt2P7wbLgQZcoYlNpmsdeP8e7NfDSy+lVoJRN7 FpEA== X-Forwarded-Encrypted: i=1; AJvYcCVAcuf+eMhzQ5YVdQh8MajS0047yAgv+ozItjSm6C23Gm6fgR4dAsqir37aCf2NpjmQ0udo9zqX2Dq8up30IVg=@vger.kernel.org X-Gm-Message-State: AOJu0YyokQNSGaBxuZGUu+E6/A1/IGtV0zQEzdThD5DemKDnwefyqF+d tRWm/yFvWMtqsCsal0WAA7C9vCtmHdQssZhhVzoJqhiP2FOu04JMZT9k4oaNpQR63Po= X-Gm-Gg: ASbGncs+ezBqXUbFR+5LjCaVEQrJhRXwh0kh6QvO7PdkFGERfRMIC6pjSNlUMs7W/r3 732IhUiy43pO5HhqLLCnppSXcf2RpgAs/46KwIykHldVyJhF1nb00c3Xl46HE25zpzZqbSZZQ2O rVxZuUoYgYW+AMvLnrXrSMQH9jsGTyvb04Ey0irVCM0SlWG7/6I2SHnNpMcsV8Wnqwf/i39UVzX sCWiUsnJZFjKYQwCQUc3R4BS4mEsBFOo9ESCikAR0nvAFukKaPuJ9aFsFD2K53mTm+d4BoJDIrI fzDVzEEOyxEojurNzMZSIZ//dmwM43QUu+EXOyjYpguZQ2lX3+LwVYL7dM3DoJbBBLxfqE24Phn mImNA3Yur6+qA+fbMMDLC8f8X X-Google-Smtp-Source: AGHT+IGf4qxxSXO6iewjkiZTlmr4yvaEZFX/IytJuUl4Nj32J40fOreM/84N8MX0m+sgaZr+dqFiDw== X-Received: by 2002:a05:6e02:240c:b0:3f6:6198:b39e with SMTP id e9e14a558f8ab-3f7b6808028mr57130415ab.0.1757082112699; Fri, 05 Sep 2025 07:21:52 -0700 (PDT) Received: from localhost ([140.82.166.162]) by smtp.gmail.com with ESMTPSA id 8926c6da1cb9f-50d8f0d594fsm6185353173.23.2025.09.05.07.21.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 05 Sep 2025 07:21:52 -0700 (PDT) Date: Fri, 5 Sep 2025 09:21:51 -0500 From: Andrew Jones To: Anup Patel Cc: Atish Patra , Palmer Dabbelt , Paul Walmsley , Alexandre Ghiti , Anup Patel , Paolo Bonzini , Shuah Khan , kvm@vger.kernel.org, kvm-riscv@lists.infradead.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: Re: [PATCH v3 5/6] RISC-V: KVM: Implement ONE_REG interface for SBI FWFT state Message-ID: <20250905-005c0bc3e16e909c5d91eef4@orel> References: <20250823155947.1354229-1-apatel@ventanamicro.com> <20250823155947.1354229-6-apatel@ventanamicro.com> Precedence: bulk X-Mailing-List: linux-kselftest@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: <20250823155947.1354229-6-apatel@ventanamicro.com> On Sat, Aug 23, 2025 at 09:29:46PM +0530, Anup Patel wrote: > The KVM user-space needs a way to save/restore the state of > SBI FWFT features so implement SBI extension ONE_REG callbacks. > > Signed-off-by: Anup Patel > --- > arch/riscv/include/asm/kvm_vcpu_sbi_fwft.h | 1 + > arch/riscv/include/uapi/asm/kvm.h | 15 ++ > arch/riscv/kvm/vcpu_sbi_fwft.c | 197 +++++++++++++++++++-- > 3 files changed, 200 insertions(+), 13 deletions(-) > Reviewed-by: Andrew Jones