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From: Philippe Ombredanne <pombredanne@nexb.com>
To: mawilcox@microsoft.com
Cc: yang.zhang.wz@gmail.com, kvm@vger.kernel.org, mst@redhat.com,
	penguin-kernel@i-love.sakura.ne.jp, liliang.opensource@gmail.com,
	qemu-devel@nongnu.org, virtualization@lists.linux-foundation.org,
	linux-mm@kvack.org, aarcange@redhat.com,
	virtio-dev@lists.oasis-open.org, willy@infradead.org,
	nilal@redhat.com, riel@redhat.com, cornelia.huck@de.ibm.com,
	mhocko@kernel.org, quan.xu0@gmail.com,
	LKML <linux-kernel@vger.kernel.org>,
	amit.shah@redhat.com, Paolo Bonzini <pbonzini@redhat.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	mgorman@techsingularity.net
Subject: Re: [PATCH v20 1/7] xbitmap: Introduce xbitmap
Date: Tue, 19 Dec 2017 16:58:10 +0100	[thread overview]
Message-ID: <CAOFm3uHJF1X93iALES6njXrkpsk5bSsuXqcKQMWP4HGT0S8qeg__41820.263877935$1513699073$gmane$org@mail.gmail.com> (raw)
In-Reply-To: <1513685879-21823-2-git-send-email-wei.w.wang@intel.com>

Matthew,

On Tue, Dec 19, 2017 at 1:17 PM, Wei Wang <wei.w.wang@intel.com> wrote:
> From: Matthew Wilcox <mawilcox@microsoft.com>
>
> The eXtensible Bitmap is a sparse bitmap representation which is
> efficient for set bits which tend to cluster.  It supports up to
> 'unsigned long' worth of bits, and this commit adds the bare bones --
> xb_set_bit(), xb_clear_bit() and xb_test_bit().

<snip>

> --- /dev/null
> +++ b/include/linux/xbitmap.h
> @@ -0,0 +1,49 @@
> +/*
> + * eXtensible Bitmaps
> + * Copyright (c) 2017 Microsoft Corporation <mawilcox@microsoft.com>
> + *
> + * This program is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU General Public License as
> + * published by the Free Software Foundation; either version 2 of the
> + * License, or (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> + * GNU General Public License for more details.
> + *
> + * eXtensible Bitmaps provide an unlimited-size sparse bitmap facility.
> + * All bits are initially zero.
> + */

Would you mind using the new SPDX tags documented in Thomas patch set
[1] rather than this fine but longer legalese?

And if you could spread the word to others in your team this would be very nice.

Thank you!

[1] https://lkml.org/lkml/2017/12/4/934

-- 
Cordially
Philippe Ombredanne

  parent reply	other threads:[~2017-12-19 15:58 UTC|newest]

Thread overview: 143+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-12-19 12:17 [PATCH v20 0/7] Virtio-balloon Enhancement Wei Wang
2017-12-19 12:17 ` [virtio-dev] " Wei Wang
2017-12-19 12:17 ` [Qemu-devel] " Wei Wang
2017-12-19 12:17 ` Wei Wang
2017-12-19 12:17 ` [PATCH v20 1/7] xbitmap: Introduce xbitmap Wei Wang
2017-12-19 12:17   ` [virtio-dev] " Wei Wang
2017-12-19 12:17   ` [Qemu-devel] " Wei Wang
2017-12-19 12:17   ` Wei Wang
2017-12-19 15:58   ` Philippe Ombredanne
2017-12-19 15:58     ` [Qemu-devel] " Philippe Ombredanne
2017-12-19 15:58     ` Philippe Ombredanne
2017-12-19 15:58   ` Philippe Ombredanne [this message]
2017-12-19 12:17 ` Wei Wang
2017-12-19 12:17 ` [PATCH v20 2/7] xbitmap: potential improvement Wei Wang
2017-12-19 12:17   ` [virtio-dev] " Wei Wang
2017-12-19 12:17   ` [Qemu-devel] " Wei Wang
2017-12-19 12:17   ` Wei Wang
2017-12-19 12:17 ` Wei Wang
2017-12-19 12:17 ` [PATCH v20 3/7] xbitmap: add more operations Wei Wang
2017-12-19 12:17 ` Wei Wang
2017-12-19 12:17   ` [virtio-dev] " Wei Wang
2017-12-19 12:17   ` [Qemu-devel] " Wei Wang
2017-12-19 12:17   ` Wei Wang
2017-12-19 12:17 ` [PATCH v20 4/7] virtio-balloon: VIRTIO_BALLOON_F_SG Wei Wang
2017-12-19 12:17   ` [virtio-dev] " Wei Wang
2017-12-19 12:17   ` [Qemu-devel] " Wei Wang
2017-12-19 12:17   ` Wei Wang
2017-12-24  3:21   ` Matthew Wilcox
2017-12-24  3:21     ` [Qemu-devel] " Matthew Wilcox
2017-12-24  3:21     ` Matthew Wilcox
2017-12-24  3:21     ` Matthew Wilcox
2017-12-24  4:45     ` Tetsuo Handa
2017-12-24  4:45       ` [Qemu-devel] " Tetsuo Handa
2017-12-24  4:45       ` Tetsuo Handa
2017-12-24  7:42       ` Wei Wang
2017-12-24  7:42       ` Wei Wang
2017-12-24  7:42         ` [virtio-dev] " Wei Wang
2017-12-24  7:42         ` [Qemu-devel] " Wei Wang
2017-12-24  7:42         ` Wei Wang
2017-12-24  8:16         ` [virtio-dev] " Wei Wang
2017-12-24  8:16         ` Wei Wang
2017-12-24  8:16           ` Wei Wang
2017-12-24  8:16           ` [Qemu-devel] " Wei Wang
2017-12-24  8:16           ` Wei Wang
2017-12-25 14:51           ` Tetsuo Handa
2017-12-25 14:51             ` [Qemu-devel] " Tetsuo Handa
2017-12-25 14:51             ` Tetsuo Handa
2017-12-26  3:06             ` Wei Wang
2017-12-26  3:06               ` [virtio-dev] " Wei Wang
2017-12-26  3:06               ` [Qemu-devel] " Wei Wang
2017-12-26  3:06               ` Wei Wang
2017-12-26 10:38               ` Tetsuo Handa
2017-12-26 10:38                 ` [Qemu-devel] " Tetsuo Handa
2017-12-26 10:38                 ` Tetsuo Handa
2017-12-26 11:36                 ` Wei Wang
2017-12-26 11:36                 ` Wei Wang
2017-12-26 11:36                   ` [virtio-dev] " Wei Wang
2017-12-26 11:36                   ` [Qemu-devel] " Wei Wang
2017-12-26 11:36                   ` Wei Wang
2017-12-26 13:40                 ` Tetsuo Handa
2017-12-26 13:40                   ` [Qemu-devel] " Tetsuo Handa
2017-12-26 13:40                   ` Tetsuo Handa
2017-12-26  3:06             ` Wei Wang
2018-01-02 13:24         ` Matthew Wilcox
2018-01-02 13:24           ` [Qemu-devel] " Matthew Wilcox
2018-01-02 13:24           ` Matthew Wilcox
2018-01-03  2:29           ` Tetsuo Handa
2018-01-03  2:29             ` [Qemu-devel] " Tetsuo Handa
2018-01-03  2:29             ` Tetsuo Handa
2018-01-03  9:00             ` Wei Wang
2018-01-03  9:00               ` [virtio-dev] " Wei Wang
2018-01-03  9:00               ` [Qemu-devel] " Wei Wang
2018-01-03  9:00               ` Wei Wang
2018-01-03 10:19               ` Tetsuo Handa
2018-01-03 10:19                 ` [Qemu-devel] " Tetsuo Handa
2018-01-03 10:19                 ` Tetsuo Handa
2018-01-03  9:00             ` Wei Wang
2018-01-02 13:24         ` Matthew Wilcox
2017-12-19 12:17 ` Wei Wang
2017-12-19 12:17 ` [PATCH v20 5/7] mm: support reporting free page blocks Wei Wang
2017-12-19 12:17 ` Wei Wang
2017-12-19 12:17   ` [virtio-dev] " Wei Wang
2017-12-19 12:17   ` [Qemu-devel] " Wei Wang
2017-12-19 12:17   ` Wei Wang
2017-12-19 12:17 ` [PATCH v20 6/7] virtio-balloon: VIRTIO_BALLOON_F_FREE_PAGE_VQ Wei Wang
2017-12-19 12:17   ` [virtio-dev] " Wei Wang
2017-12-19 12:17   ` [Qemu-devel] " Wei Wang
2017-12-19 12:17   ` Wei Wang
2017-12-19 12:17 ` Wei Wang
2017-12-19 12:17 ` [PATCH v20 7/7] virtio-balloon: don't report free pages when page poisoning is enabled Wei Wang
2017-12-19 12:17   ` [virtio-dev] " Wei Wang
2017-12-19 12:17   ` [Qemu-devel] " Wei Wang
2017-12-19 12:17   ` Wei Wang
2017-12-19 12:17 ` Wei Wang
2017-12-19 14:05 ` [PATCH v20 0/7] Virtio-balloon Enhancement Tetsuo Handa
2017-12-19 14:05   ` [Qemu-devel] " Tetsuo Handa
2017-12-19 14:05   ` Tetsuo Handa
2017-12-19 14:40   ` Matthew Wilcox
2017-12-19 14:40   ` Matthew Wilcox
2017-12-19 14:40     ` [Qemu-devel] " Matthew Wilcox
2017-12-19 14:40     ` Matthew Wilcox
2017-12-20  2:33     ` Tetsuo Handa
2017-12-20  2:33       ` [Qemu-devel] " Tetsuo Handa
2017-12-20  2:33       ` Tetsuo Handa
2017-12-19 18:08   ` Michael S. Tsirkin
2017-12-19 18:08     ` [virtio-dev] " Michael S. Tsirkin
2017-12-19 18:08     ` [Qemu-devel] " Michael S. Tsirkin
2017-12-19 18:08     ` Michael S. Tsirkin
2017-12-19 18:08   ` Michael S. Tsirkin
2017-12-20 10:34   ` Wei Wang
2017-12-20 10:34     ` [virtio-dev] " Wei Wang
2017-12-20 10:34     ` [Qemu-devel] " Wei Wang
2017-12-20 10:34     ` Wei Wang
2017-12-20 12:25     ` Matthew Wilcox
2017-12-20 12:25     ` Matthew Wilcox
2017-12-20 12:25       ` [Qemu-devel] " Matthew Wilcox
2017-12-20 12:25       ` Matthew Wilcox
2017-12-20 16:13       ` Wang, Wei W
2017-12-20 16:13       ` Wang, Wei W
2017-12-20 16:13         ` [virtio-dev] " Wang, Wei W
2017-12-20 16:13         ` [Qemu-devel] " Wang, Wei W
2017-12-20 16:13         ` Wang, Wei W
2017-12-20 16:13         ` Wang, Wei W
2017-12-20 17:10         ` Matthew Wilcox
2017-12-20 17:10         ` Matthew Wilcox
2017-12-20 17:10           ` [Qemu-devel] " Matthew Wilcox
2017-12-20 17:10           ` Matthew Wilcox
2017-12-20 17:10           ` Matthew Wilcox
2017-12-21  2:49           ` Wei Wang
2017-12-21  2:49           ` Wei Wang
2017-12-21  2:49             ` [virtio-dev] " Wei Wang
2017-12-21  2:49             ` [Qemu-devel] " Wei Wang
2017-12-21  2:49             ` Wei Wang
2017-12-21  2:49             ` Wei Wang
2017-12-21 12:14             ` Matthew Wilcox
2017-12-21 12:14             ` Matthew Wilcox
2017-12-21 12:14               ` [Qemu-devel] " Matthew Wilcox
2017-12-21 12:14               ` Matthew Wilcox
2017-12-21 12:14               ` Matthew Wilcox
2017-12-21 12:56             ` Tetsuo Handa
2017-12-21 12:56               ` [Qemu-devel] " Tetsuo Handa
2017-12-21 12:56               ` Tetsuo Handa
2017-12-20 10:34   ` Wei Wang

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