[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [PATCH 3/7] xen/p2m: put reference for superpage
- To: Julien Grall <julien@xxxxxxx>
- From: Luca Fancellu <Luca.Fancellu@xxxxxxx>
- Date: Tue, 14 May 2024 07:55:33 +0000
- Accept-language: en-GB, en-US
- Arc-authentication-results: i=2; mx.microsoft.com 1; spf=pass (sender ip is 63.35.35.123) smtp.rcpttodomain=lists.xenproject.org smtp.mailfrom=arm.com; dmarc=pass (p=none sp=none pct=100) action=none header.from=arm.com; dkim=pass (signature was verified) header.d=arm.com; arc=pass (0 oda=1 ltdi=1 spf=[1,1,smtp.mailfrom=arm.com] dkim=[1,1,header.d=arm.com] dmarc=[1,1,header.from=arm.com])
- Arc-authentication-results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=arm.com; dmarc=pass action=none header.from=arm.com; dkim=pass header.d=arm.com; arc=none
- Arc-message-signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=/Ew+847jKNwKKO056iCqVpSt2bYtNQ767IWILIMJ9gA=; b=lhD3PL7mdDLtmqb+4xfdqILAWGuO3vX3fTdKXWX4HVFmREhNL3YYkgvqHs4hcQ7i4/QXKG6jlWskojyaeJUy99X9Bx9OIYgAe1l2uiYnvJq1NqjdB1eNBUwhAXESJBfhIFI+ZCYhNPk9uqH2Kke73HsKFQXzWKMwzcZ/vSEe/4crKf0LpTQ/5xj+6F7Vssc9gEBINDkyNnrkHxCVJ/YxxIK85Ra9uHrKhgnO8cHfPwN1u1KUQmR+VEhG/yd9sUAL4+Gx2LT3Kx4VcxgFZ622SxLw05JSvoaiafVnweKQD/ucMMxmZwdbzUvwNqNuVixR589yU6/71VD1FzNy8S75Fw==
- Arc-message-signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=/Ew+847jKNwKKO056iCqVpSt2bYtNQ767IWILIMJ9gA=; b=cFt374c40yLJbllJc3i4lJWaSMQNU+YnsApLoWVprv19IpST95M0ChgfWOi5DoOa5K7++QtvbiFG+qr26EAJ00WLLRH2Te3HVDzUPlrGiCERdy0O1z5B56Tu7+1bJSUi29ZSKaTYJ6HXAnjbsO3mPCpfeW3WJRnuzYjTndJlEJpA0t0pzselH/QsxMWf7joY2FTbsgCzb6sb+ULBbZZByF2VZfSIlivQp7Wods0z+Hc3rlGXcWca0mJvD5EE/qYTZqlJSMYghfST3yGQSAi3RjJvkoomYtHfdH8Pd6NDw0DiRSSwHjHJfyGN4ydB1R5UVMuC/WgnU+OH+/f/VQhmtQ==
- Arc-seal: i=2; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=pass; b=oF2ReOiUB/0d3n9dvrzM+G+KKqq+tlCQHTGqYZlxYY1LlgL7tpDcBYPZ9XcI/D5QkdCMyybf0g5FJOGLA5tCnZYOACqXf66tinzIGBZ8SpYLG8Kvs0H594iYeC4awK+VME0hws6q+NAaaVFojUy88orDPIGXZ/Wrs+MzgRUP2GaaRnWAVR67ODbvf1W4r/KDfr/N0PcTms90JTMRdSfcHlc/clCgOCgDf1J78vI0Bgr+gIqIBlfiYbDlLvt6P/DISjJ2Kaw/tvS7DunLTOAgjsAYmoKi6xp+uSLWRmrEktKf+nvVmf02LWaqwClZFm11aHb4Dnst0yyeFuVWce1+ZQ==
- Arc-seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=cbwsl4j2EZOPcub1YkwM23Mdh+5Xt+v2G0KQoez6ljmAepV7n47E+uXISKx0vAtTL5u+zBBMNh8QDyG6htBikhrLcvDj8zntHR/iZ6SihkC9MUNDwvFlqdWO4w42FA/AtJbnCXlYoIwVne0uIZOpgn9pU6qXXykbpgXJzNaYufUcAFelVsape6AifWyeDIgBqj2fPCqEPuMPlx9CSQOsuyt/aHOAkIdh+TwI0AhvpA+lJWF9Fv+Lx31/b2pJQLJCs0fonC7kmNJRLta2I8c/W3YrDhAhFKDpxCNT4i8riU0zgwt/Nt+cCyDZzNm8CU7n9UZqzW6t+6xhrPo1wCdAmA==
- Authentication-results-original: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=arm.com;
- Cc: Roger Pau Monné <roger.pau@xxxxxxxxxx>, Xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxxx>, Penny Zheng <Penny.Zheng@xxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Bertrand Marquis <Bertrand.Marquis@xxxxxxx>, Michal Orzel <michal.orzel@xxxxxxx>, Volodymyr Babchuk <Volodymyr_Babchuk@xxxxxxxx>
- Delivery-date: Tue, 14 May 2024 07:55:55 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
- Nodisclaimer: true
- Original-authentication-results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=arm.com;
- Thread-index: AQHalVftK+2d6c8qh0SLUJVfhafWO7GL2AEAgAACwYCAAhGEAIAAEkYAgACocwCAABsXAIAAGy0AgAAMPQCAAAzdAIACI5OAgAVjhYA=
- Thread-topic: [PATCH 3/7] xen/p2m: put reference for superpage
Hi Julien,
>
>> Note also that a foreign unmap resulting in a page free is also not
>> the common case, as that should only happen when the foreign domain
>> has been destroyed, or the page ballooned out, so to benchmark the
>> worst case some effort will be needed in order to model this
>> scenario.
>
> Good callout. It may be easier to reproduce it with some XTF tests.
> Unfortunately, I don't have the bandwith to look at it. Maybe Luca can?
Unfortunately I don’t have bandwidth for that,
>
> Otherwise, we may have to accept not supporting 1GB superpage for the time
> being for shared memory.
I will try to do it.
Cheers,
Luca
|
