From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-pf1-f202.google.com (mail-pf1-f202.google.com [209.85.210.202]) (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 326131448C8 for ; Fri, 23 Feb 2024 18:15:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.210.202 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708712151; cv=none; b=rslN0htKspvzhOXmzXrMX8PJUOT+iZMZRL7XD39eDVp9AhaGhJeUSz7N70gnqVn/lnsU4VlxeeimGFP3GP70udB2T5oONdrYCLG9nkCOpPB7xdc9vH0nLFnKTufKfg2Iq6NcZRam7JbKW725OhGwyeBLe0x4txFQ/huo11jrhfQ= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1708712151; c=relaxed/simple; bh=TmOB000kb/6C0zV1Tjn3FDWwgSTMgtlcQPywExWS40Y=; h=Date:In-Reply-To:Mime-Version:References:Message-ID:Subject:From: To:Cc:Content-Type; b=ab3Gew2sOfvbmOz+0cEWUQhOXTrRmCxQMiGYCL0gwUjXAYbMb/EnPjVIWm0DUugeLUbXIti6FPIeL0F5JNgY8nCF24S/TIKrhjwJP17XpHN4tmkq6CpZUVXj+WtiFBwGJLaXvpB3SkaKWRLw1AUcKPZlVzWQn4rp90TpocKuZYQ= 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=4K/GDrfG; arc=none smtp.client-ip=209.85.210.202 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="4K/GDrfG" Received: by mail-pf1-f202.google.com with SMTP id d2e1a72fcca58-6e43ee3f5e5so844471b3a.0 for ; Fri, 23 Feb 2024 10:15:49 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20230601; t=1708712149; x=1709316949; 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=gofRIUedDT/xKc1ubX52tMH/cpYoaQz6NlKbBcrt6+o=; b=4K/GDrfGXSy3PX2UnKUkv4g9jMc3Yw3IHr/gytYLl0sLA/v0UVdlaPNKJcXFMFaOrT gARteDaNNhtoizZfN+Vf16rGmlFMoOTjnIelZ5Vjb/6cQBhlwNuBD48kB7Pv5ATIY/Nj hfOIz3ZUxNt7I46Rqhp+IjSSGxVf80YZoMcoV30SPK9OD8azaco7cFPg8BNKE7DBdVdV Ngef8Gm6GZy2lCqFWQU0pPcezitPPVHXWoPG8CwCjsDi+Ll8bj//BsG2t14P2zdUGgRI upxJ8TK+X6HlVG2fvinx4o7QAkOzqHFNAQ4ftxxMWW2gI8CkhVoAGV3niV1oqJc3AFS8 JFDA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1708712149; x=1709316949; 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=gofRIUedDT/xKc1ubX52tMH/cpYoaQz6NlKbBcrt6+o=; b=BYPK5Q6nPQqrwd42TgHz8jfHsr9hCnSmF3V+tqoBwnf0YMgyXRKim+Dp33BV+1Mske AG5qFprAwHIxxav3gAbTp8kIBu18llJGApoOmBfDoD1NXzR18DLAmKoaxByqDWN0EM5R ZuF8HWsGDYS69ghktDsSYLiYSUUy9s5UvMJEi2d3QT66nuaFZU1DtFgZ5p3/hFQd/p7M hlbWsDp4wVcSGfbbfH3I78GzLQhtuguugN+7NvEBLeWbBNn8Pr55mleKL509/1xqorbt Oym3lnzVqJreR0U5+h4WOua/DN7uGP2x5w4kg4DnHGd4s8WxeL0/GKh2ISRp+wywSet1 vl5Q== X-Forwarded-Encrypted: i=1; AJvYcCWtQw/VULIToMUTlBu72l7PtRWLfPAPBwutR2FaFlpoKh0N5U94I7chqjr9vIGb1RncZ6ovyJqPMnoCjJu+SEKlrlhJ3XLQ6C1Ar/eE X-Gm-Message-State: AOJu0YxG0IzlbzKEZe2UcQppOJrCrmxJN1umSe7vuFbOMaLPgfDUzIBy WsOP4xGkLMUkQoRVHthQiNkyxDpb9W/1gxbPvoEWSTjT8GbI97hiKnNWHD7STZMCvgsO6WwK/W3 0KA== X-Google-Smtp-Source: AGHT+IHA5qGOajgwwELgeACPaUAO9bYXI+j7cFhw6n4sGKQCPsx0kAV3xwWYpcshRjU31slvpCwO6XmpndI= X-Received: from zagreus.c.googlers.com ([fda3:e722:ac3:cc00:7f:e700:c0a8:5c37]) (user=seanjc job=sendgmr) by 2002:a05:6a00:9298:b0:6e4:67cf:fa03 with SMTP id jw24-20020a056a00929800b006e467cffa03mr42271pfb.4.1708712149448; Fri, 23 Feb 2024 10:15:49 -0800 (PST) Date: Fri, 23 Feb 2024 10:15:47 -0800 In-Reply-To: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Mime-Version: 1.0 References: <20240222012640.2820927-1-seanjc@google.com> Message-ID: Subject: Re: [PATCH v5] KVM: x86/mmu: Retry fault before acquiring mmu_lock if mapping is changing From: Sean Christopherson To: Yan Zhao Cc: Paolo Bonzini , kvm@vger.kernel.org, linux-kernel@vger.kernel.org, Friedrich Weber , Kai Huang , Yuan Yao , Xu Yilun Content-Type: text/plain; charset="us-ascii" On Fri, Feb 23, 2024, Yan Zhao wrote: > Reviewed-by: Yan Zhao Squashed, new hash below. Thanks! [1/1] KVM: x86/mmu: Retry fault before acquiring mmu_lock if mapping is changing https://github.com/kvm-x86/linux/commit/d02c357e5bfa