From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pl1-f201.google.com (mail-pl1-f201.google.com [209.85.214.201]) (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 6BB6023AE7C for ; Fri, 9 May 2025 18:29:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746815371; cv=none; b=Ufcwguy93AhjvjahTABVAEiULVxnhXdq8gxvgWiPZt12/jbTAU/4xsjbera2vEBn2IFSA5+/nVIDiE1b9MfWrZwDJp7BIoV8QGF453G97sm+zinfuq8hjmvULDCFL8kuLyLeuC3KUDt5PUMUc5JdWUI244kUmxAuH/YIk0CXWjc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746815371; c=relaxed/simple; bh=TZ/CioQKPmReLVBRaY4JcPT8DKNM7VLtQX0w+Wrv/+I=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=etmEuL1vbaYRXOUa3bCYLT34RosFxkpUYHL4bm0tu8/6LPo+0ZUBz929k9MPquHWsKsxTx8/FKrzN72bacC+VkE+bWOOM421R5g89Z12PrYAIJ7tO2xjRDi6My8UHWwDVKxyIDWCIuRsemnpy6vtdtSvefcf9Ml7eyFIcixrwWE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b=WITzpjs6; arc=none smtp.client-ip=209.85.214.201 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=google.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=flex--seanjc.bounces.google.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="WITzpjs6" Received: by mail-pl1-f201.google.com with SMTP id d9443c01a7336-22e7e097ef7so20052925ad.2 for ; Fri, 09 May 2025 11:29:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1746815369; x=1747420169; darn=vger.kernel.org; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:from:to:cc:subject:date:message-id:reply-to; bh=OmUdZ7NWf24NGQucaka4MppQGDe1r3WG/B9nuhCN99s=; b=WITzpjs6JY4Ll1aVaTo3Pc8LltuVb5DqJxFwTJvf9FdYUhXfhkm9Q2huSqhQnM3txo aekxlXVx9YrHkOhy41JWljkE+ONcQfkGdOEKeePoJ0KJLe8EPkes8BrNBWBLGi+hp0ly QJYOQX+m5idx0bFHOuNjYdNxJDy2hY5hezUATrgAE1ujjm6veYJmD/x/N5yXLyJcWLss XzJYtGtoadFpb1ATZYFGdSwgnGQZddNmKZKX3E0TEqibntfdmYMjCqE3RYUG9VFS5/fX hcBMANDF/Dsv41g/IGaTbHNoLQVsSvPXU/7GQ+Ntqy7xx80HASDXViu/cnjWvLZbuwjM Lhdg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1746815369; x=1747420169; h=cc:to:from:subject:message-id:references:mime-version:in-reply-to :date:x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=OmUdZ7NWf24NGQucaka4MppQGDe1r3WG/B9nuhCN99s=; b=vtREo/bZFPmYFMGAyRVzOaUEsLhtsz36KBnH78510ySn6Wqje5AsA4l47rU2ppxktw KDFbw6y9SjN2qmooIIKfL2nEyCGLURhiJiBh2Qw0A1V5akoYUVpOzNIOIeOgoDxRSvOp sBC/JzYO3JlnDCyM/6FC39CEWEJh2aHOVA8fy9Lv4nqO3xkoGSSRwzpvbXScoSVOHBEY vi5ueW249L6OG5d8hW8qOVliyuw0RvJvasg7HHFr3Vkqat+v8q9wiOrDcCe18de8BuPB WGyQpSGTVw+PxyaapB2VOi88IbPibGZIbSUTXKjLu9PTRy5S2EsqlF9YztxBQf7sYaa+ 2Xzg== X-Forwarded-Encrypted: i=1; AJvYcCUTJGZO/Kf5MrWaAwkDGtCTpWaM46XxkVVWTIgYpBXt02ud8F1DnQObFpjd5w5HmyAcK+s=@vger.kernel.org X-Gm-Message-State: AOJu0YxPL5ab2riSnnz8MDknEZ4Gv35+IOWioWW89OfoesOSxlwQaHDm 4/8yHG7FbIuUhaS5JA/bK5WI1Sjnejek9dOuuPBy8K4TCWHWQYUmkqrxandQYYo7STRllNasF4k MaQ== X-Google-Smtp-Source: AGHT+IFrOu+Urvz0vnEY64t3GWYiH2n9+rMd9iGS1EvnXRCr73zi7B72X8HzZk53Hxmd3/d9MS5cFDIYAAg= X-Received: from pjbrr8.prod.google.com ([2002:a17:90b:2b48:b0:2fc:13d6:b4cb]) (user=seanjc job=prod-delivery.src-stubby-dispatcher) by 2002:a17:902:e841:b0:223:60ce:2451 with SMTP id d9443c01a7336-22fc8b33427mr57550815ad.15.1746815369640; Fri, 09 May 2025 11:29:29 -0700 (PDT) Date: Fri, 9 May 2025 11:29:28 -0700 In-Reply-To: <20250509081615.248896-1-chao.gao@intel.com> Precedence: bulk X-Mailing-List: kvm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20250506093740.2864458-6-chao.gao@intel.com> <20250509081615.248896-1-chao.gao@intel.com> Message-ID: Subject: Re: [PATCH v6a 6/8] x86/fpu: Remove xfd argument from __fpstate_reset() From: Sean Christopherson To: Chao Gao Cc: bp@alien8.de, chang.seok.bae@intel.com, dave.hansen@intel.com, dave.hansen@linux.intel.com, ebiggers@google.com, hpa@zytor.com, john.allen@amd.com, kees@kernel.org, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, mingo@redhat.com, oleg@redhat.com, pbonzini@redhat.com, peterz@infradead.org, rick.p.edgecombe@intel.com, stanspas@amazon.de, tglx@linutronix.de, weijiang.yang@intel.com, x86@kernel.org, xin3.li@intel.com Content-Type: text/plain; charset="us-ascii" On Fri, May 09, 2025, Chao Gao wrote: > The initial values for fpstate::xfd differ between guest and host fpstates. > Currently, the initial values are passed as an argument to > __fpstate_reset(). But, __fpstate_reset() already assigns different default > features and sizes based on the type of fpstates (i.e., guest or host). So, > handle fpstate::xfd in a similar way to highlight the differences in the > initial xfd value between guest and host fpstates > > Suggested-by: Sean Christopherson > Signed-off-by: Chao Gao > Link: https://lore.kernel.org/all/aBuf7wiiDT0Wflhk@google.com/ > --- > v6a: new. > > Note: this quick revision is just intended to ensure that the feedback > has been properly addressed. Both patches LGTM.